Freezing Dates

The IEM processed "climodat" archive is used to list out the first dates after 1 August that a given site first dipped below 32°F and 28°F. The dates when those events occurred are shown. The second set of columns print out the fall day of the year that the climatology dips below the given threshold.

Only the August through March period is considered for this analysis. There is currently a data processing bug whereby the year of the first dates are not shown for all sites. This will be fixed over the coming days.

Select Network:
ID Climodat Site: Min Low: First Date with Observed Below: First Date with Average Below:
Temp <= 32°F Temp <= 28°F Below 40°F Below 32°F Below 28°F
Temp: Date: Temp: Date:
IA1461 CHESTER -19 30 {1902}-09-12 26 {1902}-09-13 09-07 09-12 09-13
IA4637 LARCHWOOD -36 27 {1902}-09-12 27 {1902}-09-12 09-17 10-17 11-05
IA8880 WEST UNION -30 32 {1902}-09-13 20 {1899}-09-30 09-18 11-03 11-05
IA6969 REINBECK 2 W -20 32 {1896}-09-20 28 {1896}-10-07 09-19 09-28 10-18
IA6760 PORTSMOUTH -18 32 {1896}-09-19 25 {1896}-10-18 09-19 09-20 11-02
IA5341 MECHANICSVILLE -10 30 {1896}-10-07 24 {1896}-10-18 09-19 10-07 10-18
IA2960 FONDA -30 25 {1900}-09-16 25 {1900}-09-16 09-20 11-01 11-07
IA8169 TERRIL -24 28 {1942}-09-24 28 {1942}-09-24 09-20 10-16 10-26
IA7526 SEYMOUR -15 30 {1896}-10-07 28 {1896}-10-18 09-20 10-30 11-09
IA6086 NORTH MCGREGOR -24 30 {1896}-09-20 26 {1896}-10-07 09-20 09-20 11-06
IA4109 IOWA CITY (MRS HOBBY) -18 30 {1896}-09-20 26 {1896}-10-18 09-20 10-21 11-06
IA0089 AKRON 11E -15 32 {2011}-09-15 27 {2012}-10-05 09-23 10-20 10-31
IA2173 DENISON SCS -21 32 {1943}-09-20 28 {1942}-09-24 09-24 10-26 10-26
IA8870 WEST UNION 5 NW -24 30 {2001,2000}-10-06 27 {2000}-10-07 09-24 10-07 11-17
IA7572 SHEFFIELD 3 NW -26 30 {1951}-09-28 27 {1949}-09-29 09-24 10-24 11-10
IA5872 NASHUA 2 NW -25 28 {1949}-09-29 28 {1949}-09-29 09-24 10-25 11-03
IA1472 CHILLICOTHE -8 26 {1899}-09-29 26 {1899}-09-29 09-26 09-29 09-29
IA7887 STACEYVILLE -23 31 {1941}-09-29 27 {1941}-10-27 09-26 09-29 10-27
IA0209 AMES EXPERIMENT STATION -25 29 {1896}-09-19 28 {1896}-10-06 09-27 10-24 10-29
IA5193 MARSHALLTOWN 1 -24 28 {1948}-10-04 28 {1948}-10-04 09-27 10-04 10-17
IA5136 MARATHON -26 29 {1929}-09-18 21 {1935}-10-04 09-27 11-02 11-06
IA7596 SHELDON 1 N -17 32 {2007}-09-15 27 {2003}-10-01 09-28 11-01 11-11
IA7410 SARATOGA 2 E -40 32 {1964}-08-14 27 {1955}-09-11 09-28 10-24 11-03
IA6975 REMSEN -22 28 {1951}-09-28 28 {1951}-09-28 09-28 10-24 11-10
IA5823 MOVILLE -21 29 {1951}-09-28 28 {1948}-10-16 09-28 11-08 11-10
IA5270 MATLOCK -32 29 {1916}-09-15 26 {1916}-09-29 09-28 10-08 10-10
IA3877 HINTON 4 W -23 28 {1951}-09-28 28 {1951}-09-28 09-28 11-02 11-10
IA0506 BATAVIA -7 28 {1899}-09-29 28 {1899}-09-29 09-29 11-08 11-25
IA8756 WAUKON 4SW -43 29 {2018}-09-29 25 {2018}-10-12 09-29 10-12 10-12
IA8147 TARA -31 23 {1899}-09-29 23 {1899}-09-29 09-29 10-06 10-31
IA5206 MARSHALLTOWN #2 -14 32 {1949}-09-24 27 {1949}-09-29 09-29 10-24 11-21
IA3667 HARTLEY 3 S -18 30 {1947}-09-22 25 {1945}-09-29 09-29 11-08 11-09
IA6618 PIONEER -30 22 {1899}-09-29 22 {1899}-09-29 09-30 11-02 11-02
IA0070 ADEL 1 SE -24 31 {1962}-09-20 27 {1967}-09-29 10-01 11-05 11-18
IA0940 BRUNSVILLE -15 32 {2010}-10-17 27 {2010}-10-28 10-02 10-19 10-28
IA3985 HUMBOLDT 2 -27 30 {1991}-09-19 25 {1987}-10-03 10-03 10-19 11-06
IA5630 MONONA -33 32 {1950}-09-24 27 {1949}-09-29 10-04 11-10 11-11
IA2410 DURANGO 3W -18 31 {2003}-09-29 23 {2003}-10-02 10-05 11-11 11-24
IA5880 NEOLA -16 32 {1896}-09-18 28 {1896}-10-05 10-05 10-19 11-02
IA3600 HANLONTOWN -31 32 {1903}-09-24 24 {1904}-10-06 10-05 10-27 10-27
IA0210 AMES SOUTHEAST -26 25 {1899}-09-29 25 {1899}-09-29 10-06 10-29 11-02
IA0366 ATLANTIC NEAR -16 31 {1896}-09-28 26 {1896}-10-18 10-06 10-16 10-18
IA2210 DES MOINES MILLMAN -17 32 {1896}-09-28 27 {1896}-10-18 10-06 11-02 11-06
IA3019 FREDERICKSBURG -14 32 {1898}-10-06 27 {1897}-10-09 10-06 10-29 11-02
IA3115 GARDEN GROVE -24 30 {1896}-09-20 28 {1896}-10-07 10-06 11-01 11-05
IA3278 GLADBROOK -26 26 {1899}-09-29 26 {1899}-09-29 10-06 10-29 11-02
IA7256 RUNNELLS 2SE -13 27 {2003}-10-02 27 {2003}-10-02 10-06 11-11 11-20
IA6291 ORLEANS -30 29 {1935}-09-27 20 {1935}-10-04 10-06 10-22 10-22
IA5811 MOUNT VERNON -26 31 {1896}-09-20 21 {1899}-09-30 10-06 10-31 11-06
IA0512 BATTLE CREEK 3NE -35 32 {2014}-09-13 24 {2012}-09-23 10-07 10-27 10-31
IA7664 SIBLEY-5-NNE -40 30 {1950}-08-20 23 {1955}-09-11 10-07 10-28 11-06
IA7289 RUTHVEN -38 31 {1902}-09-12 26 {1899}-09-22 10-07 11-03 11-09
IA5680 MOOAR -21 32 {1896}-09-19 28 {1899}-09-29 10-07 11-02 11-06
IA5664 MONTICELLO -30 32 {1902}-09-12 28 {1893}-09-26 10-07 10-27 11-03
IA3731 HAWKEYE -30 30 {1896}-09-20 20 {1899}-09-30 10-07 11-02 11-06
IA3107 GALVA -41 24 {1902}-09-04 24 {1902}-09-04 10-08 10-27 11-09
IA7147 ROCK-RAPIDS -40 31 {1974}-09-03 26 {1894}-09-10 10-08 10-27 11-05
IA4874 LITTLE SIOUX 2NW -31 31 {2007}-09-15 27 {2012}-09-23 10-08 10-28 11-11
IA3910 HOLSTEIN 5 NNW -27 30 {2020}-10-02 28 {2019}-10-12 10-08 10-27 10-31
IA0262 ANTHON -23 30 {1943}-09-20 28 {1942}-09-24 10-09 10-22 10-26
IA1442 CHEROKEE -35 31 {1974}-09-03 27 {1955}-09-11 10-09 11-01 11-07
IA2724 Estherville 4E -38 32 {1924}-09-09 27 {1929}-09-18 10-09 10-29 11-08
IATSPW Spencer Area -38 -1 {2010}-08-16 -1 {2010}-08-16 10-09 10-31 11-08
IA7844 Spencer -38 31 {1974}-09-03 28 {2007}-09-15 10-09 10-31 11-08
IA7738 SLOAN -24 30 {1943}-09-20 28 {1942}-09-24 10-09 10-26 11-09
IA7726 SIOUX-RAPIDS -32 31 {1974}-09-03 28 {1991}-09-19 10-09 11-02 11-09
IA7594 Sheldon -38 32 {1974}-09-03 28 {1902}-09-12 10-09 10-28 11-08
IA6698 PLOVER -36 32 {1902}-09-04 26 {1902}-09-12 10-09 10-27 11-02
IA5496 MILFORD 3 W -28 31 {2007}-09-15 26 {2003}-10-01 10-09 10-27 11-10
IA5290 MAXON -28 31 {1895}-10-08 23 {1895}-10-09 10-09 10-28 10-29
IA5235 MASON CITY MUNICIPAL AP -32 31 {2014}-09-13 26 {2011}-09-15 10-09 11-02 11-10
IA5085 MANCHESTER -23 31 {1991}-09-20 27 {1987}-10-03 10-09 11-05 11-07
IA0213 ANAMOSA-1-WNW -37 29 {1998}-09-08 27 {1956}-09-20 10-10 11-05 11-21
IA1257 CASCADE -35 32 {2023}-08-31 28 {1953,1974}-09-22 10-10 11-05 11-11
IA1651 CLIO 4 NW -26 30 {1995}-09-22 28 {1993}-10-10 10-10 10-31 11-04
IA1710 COLO -28 31 {1991}-09-19 28 {1974}-09-22 10-10 11-04 11-11
IA2603 Elkader 6SSW (Osborn) -47 32 {1893}-08-29 0 {2002}-09-02 10-10 11-02 11-11
IA2725 ESTHERVILLE MUNICIPAL AP -32 31 {2014}-09-13 28 {2007}-09-15 10-10 10-27 11-10
IATMCW Mason City Area -35 30 {1915}-08-30 28 {1923}-09-14 10-10 11-01 11-09
IAKSPW Spencer Airport -37 -1 {2010}-08-16 -1 {2010}-08-16 10-10 10-27 11-10
IA8026 SWEA CITY 4 W -32 32 {1974}-09-03 26 {1974}-09-22 10-10 11-01 11-10
IA6103 NORTHWOOD -37 32 {1953}-09-13 28 {1929}-09-18 10-10 11-02 11-10
IA5882 NEVADA -17 32 {1907}-09-25 24 {1906}-10-10 10-10 10-11 10-28
IA2355 DOWS -32 31 {1902}-09-12 28 {1897}-09-20 10-11 10-28 11-09
IA2630 ELLIOTT -35 29 {1913}-09-22 25 {1915}-10-09 10-11 10-28 11-12
IA2778 FAIRBANK -21 32 {2007}-09-15 22 {2003}-10-02 10-11 11-03 11-23
IA2896 FLORENCE -29 29 {1904}-10-06 28 {1905}-10-12 10-11 10-23 10-27
IA3434 GREENE -29 32 {1902}-09-13 25 {1908}-09-29 10-11 10-28 11-11
IA6196 ODEBOLT -35 30 {1902}-09-12 26 {1913}-09-22 10-11 10-27 11-11
IA3590 HANCOCK 7SE -14 31 {2006}-10-11 27 {2006}-10-12 10-11 10-23 11-01
IA0175 ALTA NEAR -36 31 {1902}-09-12 27 {1918}-09-20 10-12 10-28 11-11
IA0193 AMANA -32 30 {1896}-09-20 28 {1913}-09-22 10-12 11-03 11-12
IA1005 BUCKINGHAM -31 32 {1902}-09-13 27 {1908}-09-29 10-12 10-28 11-12
IA1586 CLEAR LAKE -35 32 {1908}-09-28 27 {1899}-09-29 10-12 11-02 11-11
IA1954 CRESCO-1-NE -36 31 {1902}-09-12 28 {1929}-09-18 10-12 11-02 11-10
IA2112 DECORAH 2 S -37 31 {1950}-08-20 28 {1946}-09-02 10-12 11-02 11-11
IA2212 DE SOTO -32 32 {1907}-09-25 26 {1908,1899}-09-29 10-12 10-28 11-14
IA2864 FAYETTE -40 32 {1949}-09-01 27 {1902}-09-12 10-12 11-02 11-11
IA9168 WOODBURN -33 30 {1910}-09-10 27 {1908}-09-28 10-12 10-28 11-12
IA9095 WILTON JUNCTION -33 32 {1904}-09-12 18 {1899}-09-30 10-12 11-11 11-12
IA8852 WEST BEND -36 30 {1908}-09-01 26 {1929}-09-18 10-12 10-27 11-08
IA8021 STUART -30 32 {1902}-09-13 24 {1899}-09-29 10-12 11-08 11-11
IA7840 SPENCER -28 31 {2007,2011}-09-15 27 {2003}-10-01 10-12 10-27 11-11
IA7774 SOLDIER -18 30 {1951}-09-28 27 {1948}-10-17 10-12 11-10 11-10
IA7717 SIOUX CITY HWY 77 BRG -29 31 {2020}-10-02 28 {2019}-10-12 10-12 10-24 10-31
IA7035 RIDGEWAY -35 32 {1903}-09-18 28 {1907}-09-25 10-12 10-28 11-11
IA6976 REMSEN NO. 2 -27 32 {2011}-09-15 28 {2012}-10-05 10-12 10-27 11-11
IA6273 ORANGE CITY -26 31 {2011}-09-15 28 {2012}-10-05 10-12 10-28 10-31
IA5230 Mason City -45 30 {1915}-08-30 28 {1923}-09-14 10-12 11-02 11-10
IA4644 LARRABEE -38 29 {1902}-09-12 28 {1896}-09-19 10-12 11-01 11-08
IA4561 LAKE PARK -38 30 {1940}-09-12 28 {1916}-09-15 10-12 11-01 11-08
IA4087 INWOOD 2 SW -46 30 {1940}-09-11 27 {1902}-09-12 10-12 10-28 11-08
IA3944 HORNICK 5S -20 30 {1951}-09-28 26 {1948}-10-17 10-12 11-09 11-10
IA0463 BANCROFT -35 32 {1902}-09-13 28 {1929}-09-18 10-13 11-02 11-11
IA1126 CALMAR NE -32 32 {2007,2011}-09-15 27 {2012}-10-07 10-13 11-01 11-12
IA2041 Dakota City -25 31 {2011,2007}-09-15 24 {2003}-10-02 10-13 11-01 11-11
IA2110 DECORAH-2-N -43 32 {1915}-08-30 28 {1946}-09-02 10-13 11-03 11-11
IA2638 ELMA -31 31 {2007}-09-15 21 {2003}-10-02 10-13 11-01 11-11
IA2977 FOREST-CITY -36 31 {1949}-09-01 27 {1929}-09-18 10-13 11-02 11-10
IA8771 WAVERLY -34 32 {1915}-08-30 28 {1918}-09-21 10-13 11-02 11-11
IA8704 WATERLOO -33 32 {1917}-09-11 28 {1929}-09-18 10-13 11-03 11-12
IA8410 UNDERWOOD -27 32 {2012}-09-23 28 {2004}-10-02 10-13 10-31 11-11
IA8341 TRIPOLI 2N -31 31 {2007}-09-15 21 {2003}-10-02 10-13 11-01 11-12
IA7892 STANLEY -36 32 {2025}-09-07 26 {2012}-09-23 10-13 10-28 11-11
IA7702 SIOUX CITY ANG -26 31 {2012}-09-23 20 {2004}-10-02 10-13 10-31 11-10
IA7386 SANBORN -35 32 {1974}-09-03 25 {1929}-09-18 10-13 11-01 11-08
IA7167 ROCKWELL CITY NO. 2 -26 32 {2007}-09-15 25 {2003}-10-02 10-13 10-31 11-11
IA7152 ROCK VALLEY -27 31 {2011}-09-15 28 {1995}-09-22 10-13 10-31 11-10
IA5876 NASHUA 2 SW -31 31 {2007}-09-15 22 {2003}-10-02 10-13 11-01 11-12
IA4094 IONIA 2 W -31 31 {2007}-09-15 21 {2003}-10-02 10-13 11-01 11-11
IA0197 AMES MUNICIPAL AP -31 31 {2007}-09-15 27 {2003}-09-30 10-14 11-02 11-11
IA2569 ELDON -24 31 {1902}-09-13 25 {1899}-09-29 10-14 11-03 11-15
IA2697 EMMETSBURG 2 NW -28 31 {2007,2011}-09-15 27 {2003}-10-01 10-14 11-07 11-11
IA2726 ESTHERVILLE 1WSW -29 30 {2007}-09-15 26 {2003}-10-01 10-14 11-07 11-11
IA8985 WHAT CHEER -31 32 {1902}-09-13 27 {1899}-09-29 10-14 11-06 11-14
IA8707 WATERLOO SNOW -24 30 {2012}-09-23 28 {2012}-10-06 10-14 11-07 11-11
IA8705 WATERLOO #1 -20 32 {2007}-09-15 22 {2003}-10-02 10-14 11-03 11-20
IA6199 OELWEIN 1E -33 32 {2011}-09-15 28 {2012}-10-05 10-14 11-01 11-12
IA5493 Milford -34 32 {1974}-09-03 28 {1929}-09-18 10-14 11-02 11-09
IA5232 MASON CITY #1 -26 31 {2011,2007}-09-15 28 {2003}-10-01 10-14 11-07 11-11
IA5199 MARSHALLTOWN MUNICIPAL AP -28 30 {2007}-09-15 27 {2012}-09-23 10-14 11-02 11-11
IA4820 LINN GROVE -27 31 {2011,2007}-09-15 27 {2003}-10-01 10-14 10-31 11-11
IA4402 KESLEY -26 31 {2007}-09-15 23 {2003}-10-02 10-14 11-07 11-11
IA3946 HORNICK 1 E -20 31 {2012}-09-23 28 {2004}-10-02 10-14 10-31 11-20
IA3718 HAWARDEN -33 32 {2013}-09-02 24 {1991}-09-19 10-14 11-01 11-07
IA0131 ALGONA 1NNW -26 31 {2007,2011}-09-15 28 {2003}-10-01 10-15 11-07 11-11
IA1407 CHARLES CITY NO 2 -26 31 {2007}-09-15 21 {2003}-10-02 10-15 11-09 11-20
IA1443 CHEROKEE # 2 -17 32 {2007}-09-15 28 {2003}-10-01 10-15 11-02 11-20
IA1541 CLARION -32 32 {1950}-08-20 1 {2018}-08-28 10-15 11-03 11-11
IA1610 CLERMONT -27 32 {2007}-09-15 22 {2003}-10-02 10-15 11-11 11-20
IA1705 COGGON -40 30 {2007}-09-15 26 {2012}-09-24 10-15 11-03 11-11
IA1724 COLUMBIA -22 28 {2003}-10-02 28 {2003}-10-02 10-15 11-11 11-13
IA2362 DUBUQUE #3 -30 31 {2012}-09-24 27 {2015}-10-17 10-15 11-07 11-12
IA2755 EVERLY 3 WNW -27 27 {1973}-08-22 27 {1973}-08-22 10-15 11-04 11-11
IA3003 FORT DODGE 4 NW -23 32 {2007,2011}-09-15 25 {2003}-10-02 10-15 11-07 11-20
IA3567 HAMBURG -22 32 {1974}-10-01 28 {1976}-10-16 10-15 11-14 11-21
IA8867 WEST UNION 3SE -27 32 {2007}-09-15 22 {2003}-10-02 10-15 11-01 11-23
IA7985 STORY CITY -25 32 {2007}-09-15 25 {2003}-10-02 10-15 11-07 11-12
IA7925 STATE CENTER -23 30 {1942}-09-24 23 {1942}-09-28 10-15 11-03 11-11
IA7847 SPENCER NO. 2 -28 31 {2011,2007}-09-15 27 {2003}-10-01 10-15 11-02 11-07
IA6209 OGDEN -23 32 {2007}-09-15 26 {2003}-10-02 10-15 11-07 11-11
IA6190 OCHEYEDAN -28 31 {1973}-08-22 27 {1974}-09-22 10-15 11-03 11-10
IA5622 MONMOUTH 4 SW -27 32 {1952}-09-20 26 {1950}-09-24 10-15 11-03 11-11
IA5320 MCGREGOR NO 2 -28 32 {2007}-09-15 22 {2003}-10-02 10-15 11-11 11-23
IA5295 MAXWELL -25 31 {2012}-09-23 26 {2003}-10-02 10-15 11-10 11-12
IA5132 MAQUOKETA 2 NE -27 32 {2003}-09-29 23 {2003}-10-02 10-15 11-17 11-24
IA5123 MAPLETON NO. 2 -35 31 {1955}-09-11 27 {1991}-09-19 10-15 11-02 11-10
IA4624 LANSING 4SE -28 32 {2007}-09-15 22 {2003}-10-02 10-15 11-01 11-23
IA4229 JEFFERSON 2 S -25 32 {2007}-09-15 26 {2003}-10-02 10-15 11-01 11-11
IA3675 HASTINGS 4NE -26 32 {2009}-10-04 22 {2012}-10-07 10-15 11-07 11-11
IA0199 AMES 3 N -22 30 {2012}-09-23 27 {2012}-10-06 10-16 11-10 11-11
IA0220 ANAMOSA NO 2 -26 31 {2012}-09-23 23 {2003}-10-02 10-16 11-11 11-21
IA0519 BAYARD 6 SE -21 30 {2012}-09-23 26 {2003}-10-02 10-16 11-09 11-20
IA0923 BRITT -36 30 {1983}-08-13 27 {1902}-09-13 10-16 11-02 11-10
IA0999 BUCKEYE -25 32 {2007}-09-15 28 {1984}-09-26 10-16 11-08 11-12
IA1358 CENTERVILLE 5 E -20 29 {1974}-10-02 25 {1976}-10-17 10-16 11-12 11-14
IA1363 CENTRAL CITY -31 31 {2012}-09-23 23 {2003}-10-02 10-16 11-11 11-12
IA1402 CHARLES-CITY -34 32 {1955,1902}-09-12 28 {1991}-09-20 10-16 11-03 11-11
IA2070 DAVENPORT WFO -27 30 {2012}-09-23 27 {2012}-10-05 10-16 11-01 11-12
IA2117 DECORAH 2 -27 32 {2007}-09-15 27 {2012}-10-07 10-16 11-11 11-20
IA2236 DE WITT 4 S -28 32 {2012}-09-24 24 {2003}-10-02 10-16 11-12 11-22
IA2315 DORCHESTER HWY 76 -27 32 {2007}-09-15 22 {2003}-10-02 10-16 11-09 11-20
IA2361 DUBUQUE NO 2 -28 31 {2012}-09-23 23 {2003}-10-02 10-16 11-11 11-20
IA2595 ELKADER 1 SE -27 32 {2007}-09-15 22 {2003}-10-02 10-16 11-09 11-20
IA2689 Emmetsburg -36 0 {2005}-09-03 0 {2005}-09-03 10-16 11-02 11-10
IA3032 FULTON -30 31 {2012}-09-23 23 {2003}-10-02 10-16 11-09 11-13
IA3113 GARBER -28 31 {2012}-09-23 22 {2003}-10-02 10-16 11-11 11-20
IA3288 GLENWOOD -19 32 {2012}-09-23 27 {2000}-10-06 10-16 11-11 11-20
IA3459 GRIMES 4 WSW -22 31 {2012}-09-23 27 {2003}-10-02 10-16 11-11 11-20
IATOEL Oelwein Area -33 28 {1955}-09-11 28 {1955}-09-11 10-16 11-06 11-12
IAC001 Iowa - Northwest Climate Division -38 30 {1902}-09-12 26 {1918}-09-20 10-16 11-02 11-10
IA8755 WAUKON -34 32 {1937,2011}-09-16 25 {1942}-09-25 10-16 11-03 11-11
IA8742 WAUCOMA 1WNW -32 32 {2011,2007}-09-15 26 {1974}-09-22 10-16 11-07 11-12
IA8339 TRIPOLI-4-N -32 31 {2007}-09-15 27 {1974}-09-22 10-16 11-04 11-11
IA8062 SWISHER #2 -29 32 {2012}-09-23 23 {2003}-10-02 10-16 11-11 11-13
IA7478 SCRANTON -27 32 {1902}-09-12 24 {1899}-09-29 10-16 11-02 11-06
IA7326 ST ANSGAR -32 31 {2007}-09-15 25 {1974}-09-22 10-16 11-04 11-12
IA7058 RINGSTED -27 30 {2007}-09-15 27 {1974}-09-22 10-16 11-04 11-12
IA6719 POCAHONTAS -36 31 {1946}-09-02 27 {1929}-09-18 10-16 11-01 11-10
IA6531 PELLA 4 WSW -19 27 {2003}-10-02 27 {2003}-10-02 10-16 11-16 11-20
IA6418 PANORA -20 30 {2012}-09-23 26 {2003}-10-02 10-16 11-10 11-20
IA6412 OVID -25 30 {1901}-09-18 23 {1899}-09-29 10-16 11-03 11-15
IA5847 MUSCATINE 6 N -14 32 {1949}-09-29 26 {1948}-10-17 10-16 11-15 11-21
IA5200 MARSHALLTOWN 4 SE -23 30 {2012}-09-23 25 {2003}-10-02 10-16 11-10 11-20
IA5150 MARENGO -23 31 {2012}-09-23 24 {2003}-10-02 10-16 11-11 11-12
IA4963 LOWDEN -37 32 {2014}-09-13 26 {2012}-09-24 10-16 11-01 11-12
IA4735 Le Mars -37 31 {1955}-09-11 28 {1902}-09-12 10-16 11-01 11-10
IA4557 LAKE MILLS -30 30 {2007}-09-15 26 {1974}-09-22 10-16 11-04 11-11
IA3964 HUDSON -26 32 {2007}-09-15 23 {2003}-10-02 10-16 11-07 11-12
IA0088 AKRON -39 28 {1902}-09-12 28 {1902}-09-12 10-17 11-02 11-10
IA0133 ALGONA -36 29 {1893}-09-02 27 {1929}-09-18 10-17 11-02 11-11
IA0181 ALTON -42 31 {1916}-09-15 27 {1918}-09-20 10-17 11-02 11-10
IA0214 ANAMOSA 3 SSW -27 30 {2012}-09-24 26 {2024}-10-16 10-17 11-02 11-12
IA0364 ATLANTIC-1-NE -37 30 {1893}-09-02 28 {1902,1955}-09-12 10-17 11-02 11-11
IA0385 AUDUBON -35 30 {1955,1902}-09-12 27 {1896}-09-19 10-17 11-02 11-11
IA0600 BELLE-PLAINE -38 31 {1917}-09-11 28 {1929,1916}-09-18 10-17 11-08 11-12
IA0612 BELMOND -37 32 {1923}-09-14 26 {1929}-09-18 10-17 11-01 11-11
IA0807 Boone -35 32 {1975}-09-12 27 {1929}-09-18 10-17 11-03 11-12
IA0812 BOONE 3 WNW -26 31 {1929}-09-18 23 {1942}-09-28 10-17 11-03 11-21
IA1233 CARROLL-2-SSW -40 28 {1974}-09-03 28 {1974}-09-03 10-17 11-02 11-10
IA1708 COLLEGE SPRINGS -28 32 {1901}-09-17 24 {1901}-09-18 10-17 11-06 11-18
IA2062 DANVILLE -17 29 {1899}-09-29 24 {1899}-09-30 10-17 11-03 11-25
IA2136 DELAWARE 3 WSW -32 32 {1902}-09-12 25 {1962}-09-19 10-17 11-05 11-12
IA2388 DUMONT -29 31 {2007}-09-15 26 {1974}-09-22 10-17 11-03 11-14
IA2573 Eldora -32 31 {2005}-08-29 28 {1974}-09-22 10-17 11-05 11-12
IA2999 FORT-DODGE -35 32 {1974}-09-03 27 {1902}-09-13 10-17 11-03 11-11
IA3473 GRINNELL-3-SW -35 31 {1976}-09-10 27 {1991}-09-20 10-17 11-05 11-13
IA3475 GRINNELL NEAR -29 24 {1899}-09-29 24 {1899}-09-29 10-17 11-05 11-14
IA3487 GRUNDY-CENTER -34 32 {1902}-09-12 28 {1929}-09-18 10-17 11-03 11-11
IA3509 GUTHRIE-CENTER -35 31 {1902}-09-12 28 {1991}-09-19 10-17 11-07 11-11
IA3584 HAMPTON-2-NW -35 32 {1955}-09-11 28 {1955}-09-12 10-17 11-02 11-11
IATIDA Ida Grove Area -36 32 {1974}-09-03 27 {1918}-09-20 10-17 11-02 11-10
IATALO Waterloo Area -34 32 {1917}-09-11 28 {1929}-09-18 10-17 11-03 11-12
IAD002 Iowa Drought Region 2 - Northcentral -34 32 {1902}-09-12 27 {1913}-09-22 10-17 11-03 11-11
IAD001 Iowa Drought Region 1 - Northwest -38 30 {1902}-09-12 28 {1991}-09-19 10-17 11-02 11-10
IAC003 Iowa - Northeast Climate Division -35 32 {1902}-09-13 26 {1926}-09-26 10-17 11-03 11-11
IAC002 Iowa - North Central Climate Division -38 32 {1902}-09-13 28 {1929}-09-18 10-17 11-02 11-11
IA8856 WEST BRANCH -23 32 {1902}-09-13 24 {1899}-09-28 10-17 11-02 11-15
IA8806 WEBSTER-CITY -36 30 {1955}-09-11 25 {1929}-09-18 10-17 11-02 11-11
IA8706 WATERLOO -34 32 {1917}-09-11 28 {1929}-09-18 10-17 11-03 11-11
IA8693 WASHTA -47 27 {1973}-08-22 27 {1973}-08-22 10-17 11-02 11-10
IA8658 WAUKEE 3NE -30 31 {2012}-09-23 27 {2012}-10-06 10-17 11-11 11-11
IA8538 VILLISCA -27 30 {1901}-09-18 27 {1896}-09-28 10-17 11-03 11-05
IA8296 TOLEDO -34 31 {1917}-09-11 27 {1896}-09-20 10-17 11-06 11-12
IA7979 STORM-LAKE-2-E -36 32 {1902}-09-12 28 {1929}-09-18 10-17 11-02 11-10
IA7859 SPIRIT LAKE -39 31 {1902}-09-12 28 {1929}-09-18 10-17 11-02 11-10
IA7700 SIOUX CENTER 2 SE -37 31 {1974}-09-03 24 {1991}-09-19 10-17 11-02 11-10
IA7602 SHELL ROCK 1 SW -31 32 {2007}-09-15 26 {1974}-09-22 10-17 11-04 11-19
IA7312 SAC-CITY -35 32 {1974}-09-03 28 {1918}-09-20 10-17 11-02 11-11
IA7161 ROCKWELL-CITY -35 32 {1902}-09-12 28 {1929}-09-18 10-17 11-03 11-11
IA6800 PRIMGHAR -38 30 {1902}-09-12 25 {1901}-09-18 10-17 11-02 11-10
IA6766 Postville -35 32 {1919}-09-02 20 {1918}-09-21 10-17 11-05 11-11
IA6566 PERRY -34 32 {1955}-09-12 27 {1929}-09-18 10-17 11-06 11-11
IA6492 PARKERSBURG -29 32 {2007}-09-15 27 {1974}-09-22 10-17 11-05 11-12
IA6305 OSAGE -35 30 {1949}-09-14 28 {1929}-09-18 10-17 11-03 11-11
IA6200 OELWEIN-2-S -32 20 {1942}-09-05 20 {1942}-09-05 10-17 11-03 11-11
IA6151 OAKLAND-2-E -31 32 {1974}-09-03 28 {1995}-09-22 10-17 11-06 11-12
IA5952 NEW-HAMPTON -34 28 {1949}-09-01 28 {1949}-09-01 10-17 11-02 11-11
IA5844 MUSCATINE 2N -25 27 {2003}-10-02 27 {2003}-10-02 10-17 11-12 11-22
IA5552 MINEOLA 5 NW -13 30 {1999}-10-04 27 {2000}-10-06 10-17 11-10 11-11
IA5198 MARSHALLTOWN -35 31 {1955}-09-12 28 {1896}-09-20 10-17 11-05 11-12
IA5131 MAQUOKETA-2-W -37 31 {1917}-09-11 28 {1983}-09-23 10-17 11-06 11-13
IA5086 MANCHESTER-2 -36 32 {2014}-09-13 27 {1984}-09-16 10-17 11-04 11-12
IA4912 LONE TREE 5 SW -22 32 {2003}-09-29 24 {2003}-10-02 10-17 11-17 11-23
IA4142 IOWA-FALLS -34 31 {1915}-08-30 28 {1894}-09-18 10-17 11-02 11-11
IA4139 IOWA CITY 5 SW -23 32 {2012}-09-23 24 {2003}-10-02 10-17 11-12 11-23
IA4052 INDEPENDENCE -32 32 {1974}-09-03 28 {1975}-09-13 10-17 11-05 11-12
IA4049 INDEPENDENCE-2-W -31 32 {1974}-09-03 28 {1975}-09-13 10-17 11-03 11-12
IA4038 IDA GROVE 5NW -36 32 {1974}-09-03 27 {1918}-09-20 10-17 11-02 11-10
IA3980 HUMBOLDT-2 -42 31 {1902}-09-13 28 {1934}-09-16 10-17 11-02 11-11
IA3819 HEDRICK -23 27 {1899}-09-29 27 {1899}-09-29 10-17 11-02 11-06
IA0157 ALLISON -31 32 {1915}-08-30 28 {1926}-09-25 10-18 11-05 11-11
IA0241 Ankeny -34 32 {1999}-09-18 22 {1999}-09-21 10-18 11-06 11-12
IA0933 BROOKLYN -27 32 {1991}-09-19 28 {1991}-09-20 10-18 11-10 11-12
IA1300 CEDAR FALLS -32 32 {1902}-09-13 27 {1974}-09-22 10-18 11-05 11-12
IA1314 Cedar Rapids Airport -30 31 {2007}-09-15 28 {2012}-09-24 10-18 11-07 11-20
IA1394 CHARITON -38 32 {1955}-09-12 28 {1918,1991}-09-20 10-18 11-08 11-21
IA1704 CLUTIER -29 32 {1991}-09-20 28 {1984}-09-29 10-18 11-10 11-12
IA1742 CONRAD -28 32 {2007}-09-15 28 {1984}-09-29 10-18 11-07 11-12
IA1828 CORALVILLE DAM -27 32 {1991,1983}-09-20 19 {1983}-09-22 10-18 11-11 11-21
IA2171 DENISON -40 29 {1902}-09-12 21 {1918}-09-21 10-18 11-06 11-11
IA2199 DES MOINES (63RD STREET) -21 32 {2005}-10-07 28 {2009}-10-10 10-18 11-10 11-16
IA2201 DES MOINES SNOW -21 31 {2012}-09-23 27 {2012}-10-06 10-18 11-11 11-12
IA2311 DORCHESTER -32 32 {2007}-09-15 26 {1974}-09-22 10-18 11-05 11-20
IA2367 Dubuque Airport -31 32 {2007}-09-15 28 {1956}-09-20 10-18 11-06 11-20
IA3120 GARWIN -28 32 {1991}-09-20 28 {1984}-09-29 10-18 11-10 11-12
IATSUX Sioux City Area -35 30 {1902}-09-13 25 {1995}-09-22 10-18 11-02 11-10
IATAME Ames Area -37 31 {1902}-09-13 26 {1918}-09-21 10-18 11-06 11-12
IAD003 Iowa Drought Region 3 - Northeast -32 32 {1902}-09-13 27 {1926}-09-26 10-18 11-06 11-12
IA9062 WILLIAMS -25 32 {1991}-09-20 28 {1984}-09-29 10-18 11-06 11-11
IA8568 VINTON -35 32 {1953,1902}-09-13 28 {1982}-09-21 10-18 11-08 11-21
IA8315 TRAER -31 32 {1991}-09-20 26 {1967}-09-29 10-18 11-07 11-20
IA8270 TITONKA -27 30 {2007}-09-15 28 {1984}-09-26 10-18 11-04 11-19
IA8009 STRAWBERRY POINT -31 32 {2007}-09-15 28 {1974}-09-22 10-18 11-07 11-20
IA7932 STEAMBOAT ROCK -28 32 {2007}-09-15 28 {1974}-09-22 10-18 11-07 11-12
IA7855 SPILLVILLE -35 30 {1991}-09-20 26 {1974}-09-22 10-18 11-04 11-19
IA7713 SIOUX CITY PERRY CREEK -26 32 {2011}-09-15 27 {1984}-09-26 10-18 11-04 11-10
IA7708 SIOUX-CITY-WSO-AP -35 30 {1902}-09-13 25 {1995}-09-22 10-18 11-02 11-10
IA6985 RHODES 3E -25 31 {1995}-09-22 25 {1974}-10-02 10-18 11-10 11-20
IA6755 POPEJOY 1S -26 32 {2007}-09-15 28 {1984}-09-26 10-18 11-07 11-11
IA6590 PETERSON -27 31 {2007}-09-15 28 {1942}-09-24 10-18 11-04 11-19
IA6520 PAULLINA -26 31 {1991}-09-19 28 {1984}-09-26 10-18 11-04 11-18
IA5414 MERRILL -38 31 {1916}-09-15 25 {1918}-09-20 10-18 11-02 11-10
IA5141 MARBLE ROCK -30 30 {1991}-09-20 26 {1974}-09-22 10-18 11-04 11-12
IA4894 LOGAN -35 30 {1902}-09-12 28 {1902}-09-13 10-18 11-04 11-12
IA4308 KANAWHA -27 31 {2011,2007}-09-15 27 {1974}-09-22 10-18 11-06 11-19
IA4228 JEFFERSON -37 32 {1893}-08-29 28 {1929}-09-18 10-18 11-07 11-12
IA4202 JAMES 1 NE -26 32 {2011}-09-15 27 {1984}-09-26 10-18 11-03 11-16
IA3960 HUBBARD -25 32 {2007}-09-15 28 {1984}-09-29 10-18 11-09 11-12
IA3900 HORNICK 4 NNE -28 30 {1991}-09-19 28 {1984}-09-26 10-18 11-07 11-11
IA3632 HARLAN -37 29 {1902}-09-12 27 {1902}-09-13 10-18 11-04 11-12
IA3623 HARCOURT 2ENE -30 32 {2007}-09-15 28 {1984}-09-29 10-18 11-07 11-11
IA0000 Iowa Average -31 32 {1902}-09-13 24 {1942}-09-28 10-19 11-08 11-13
IA0173 ALTA -36 29 {1902}-09-12 26 {1913}-09-22 10-19 11-02 11-10
IA0200 AMES-8-WSW -37 31 {1902}-09-13 26 {1918}-09-21 10-19 11-08 11-21
IA0513 BAXTER -33 32 {1902}-09-12 28 {1913}-09-22 10-19 11-02 11-14
IA0536 BEACONSFIELD -30 27 {1991}-09-19 27 {1991}-09-19 10-19 11-09 11-21
IA0576 BEDFORD-1-NNW -34 28 {1902}-09-13 28 {1902}-09-13 10-19 11-10 11-21
IA0608 BELLEVUE-L-AND-D-12 -35 32 {1986}-08-30 28 {1995,1974}-09-23 10-19 11-10 11-21
IA1277 CASTANA-EXP-FARM -27 30 {1991}-09-19 28 {1995}-09-22 10-19 11-04 11-19
IA1533 CLARINDA -31 31 {1902}-09-13 28 {1918}-09-21 10-19 11-08 11-20
IA1833 CORNING -32 32 {1902}-09-12 27 {1983}-09-21 10-19 11-08 11-13
IA1838 CORRECTIONVILLE 1 SW -25 31 {1991}-09-19 28 {1942}-09-24 10-19 11-07 11-20
IA2071 DAVENPORT 2 -23 31 {1923}-09-14 28 {1926}-09-26 10-19 11-08 11-22
IA2235 DE WITT -28 32 {1956,1991}-09-20 24 {2003}-10-02 10-19 11-12 11-21
IA2456 EARLHAM -36 31 {1902}-09-12 21 {1913}-09-22 10-19 11-02 11-12
IA3108 GALVA -41 24 {1902}-09-04 24 {1902}-09-04 10-19 11-04 11-12
IA3290 GLENWOOD -33 30 {1902}-09-12 28 {1902}-09-13 10-19 11-08 11-21
IATCID Cedar Rapids Area -30 31 {2007}-09-15 28 {2012}-09-24 10-19 11-09 11-21
IAC005 Iowa - Central Climate Division -34 31 {1929}-09-18 28 {1913}-09-22 10-19 11-08 11-13
IAC004 Iowa - West Central Climate Division -35 31 {1902}-09-12 28 {1918}-09-20 10-19 11-05 11-11
IA9750 ZEARING -35 32 {2007}-09-15 28 {1907}-09-25 10-19 11-08 11-20
IA9067 WILLIAMSBURG -31 32 {1917}-09-11 28 {1991}-09-20 10-19 11-08 11-21
IA9000 WHITTEN -35 31 {1902}-09-12 25 {1913}-09-22 10-19 10-28 11-11
IA8843 WESCOTT -22 31 {1926}-09-26 25 {1925}-10-10 10-19 11-08 11-08
IA8360 TURIN 4 SSW -23 32 {1993}-09-15 28 {1991}-09-19 10-19 11-10 11-20
IA8359 TURIN 4S -23 31 {1991}-09-19 27 {1984}-09-29 10-19 11-10 11-20
IA8266 TIPTON -30 32 {1902}-09-13 28 {1991}-09-20 10-19 11-09 11-21
IA7703 SIOUX CITY 8 N -26 32 {1974}-09-22 28 {1951}-09-28 10-19 11-04 11-12
IA7363 SALEM 1 S -21 31 {2012}-10-06 26 {2022}-10-18 10-19 11-11 11-12
IA6940 RED-OAK -30 32 {1940}-09-11 28 {1995}-09-22 10-19 11-10 11-21
IA6910 RATHBUN DAM -28 32 {1974}-09-22 28 {1985}-10-01 10-19 11-11 11-21
IA6316 OSCEOLA-3-WSW -32 31 {2007}-09-15 28 {1974}-09-22 10-19 11-10 11-21
IA6243 ONAWA -32 24 {1936}-08-29 24 {1936}-08-29 10-19 11-03 11-11
IA6076 NORTH ENGLISH -27 32 {1995,1974}-09-22 24 {2003}-10-02 10-19 11-10 11-21
IA6044 NORA SPRINGS -29 30 {1918}-09-21 25 {1913}-09-22 10-19 10-30 11-09
IA5813 MOUNT VERNON -30 32 {1907}-09-25 27 {1899}-09-30 10-19 11-06 11-14
IA5669 MONTICELLO -30 32 {1902}-09-12 27 {1926}-09-26 10-19 11-09 11-21
IA5418 MERRILL 4 WSW -38 31 {1916}-09-15 25 {1918}-09-20 10-19 11-02 11-11
IA5127 MAPLETON -25 31 {1991}-09-19 26 {1984}-09-29 10-19 11-07 11-20
IA4867 LITTLE SIOUX -39 24 {1916}-09-15 24 {1916}-09-15 10-19 11-02 11-11
IA4620 LANSING -33 30 {1902}-09-12 28 {1902}-09-13 10-19 11-05 11-12
IA4433 KILLDUFF -23 32 {1984}-09-26 28 {1979}-10-13 10-19 11-12 11-12
IA4244 JEWELL -26 32 {2007}-09-15 28 {1984}-09-29 10-19 11-07 11-20
IA4106 IOWA CITY MUNICIPAL AP -34 32 {1991}-09-20 26 {1995}-09-23 10-19 11-10 11-21
IA4063 INDIANOLA-2-SSW -35 30 {1979}-09-15 28 {1979}-09-22 10-19 11-08 11-21
IA3909 Holstein -27 31 {1991}-09-20 28 {1984}-09-29 10-19 11-10 11-21
IA3712 HAVERHILL -23 32 {1974}-09-22 25 {1974}-10-02 10-19 11-10 11-21
IA0205 AMES 3 SW -37 31 {1902}-09-13 26 {1918}-09-21 10-20 11-03 11-17
IA0596 BELKNAP -23 27 {1899}-09-29 27 {1899}-09-29 10-20 11-06 11-19
IA1962 Creston -31 31 {1924}-09-15 28 {1991}-09-19 10-20 11-08 11-20
IAC006 Iowa - East Central Climate Division -31 32 {1929}-09-18 28 {1926}-09-26 10-20 11-09 11-21
IA7712 SIOUX CITY -35 30 {1902}-09-13 25 {1899}-09-29 10-20 11-08 11-11
IA6440 PACIFIC JUNCTION -37 32 {1902}-09-12 27 {1901}-09-18 10-20 11-02 11-12
IA6225 OLIN -35 31 {1902}-09-13 25 {1926}-09-26 10-20 11-02 11-12
IA5000 MADRID -32 32 {1902}-09-13 28 {1913}-09-22 10-20 11-08 11-12
IA4101 Iowa City -32 32 {1923}-09-14 28 {1916}-09-18 10-20 11-10 11-22
IA0793 BONAPARTE 5 NE -31 32 {1916}-09-18 26 {1899}-09-29 10-21 11-11 11-22
IA1245 CARSON 3NNE -31 32 {1902}-09-13 26 {1942}-09-28 10-21 11-08 11-21
IA1889 COUNCIL BLUFFS 6 NE -32 32 {1955}-09-12 28 {1953}-09-22 10-21 11-08 11-19
IA2805 FAIRPORT -24 32 {1928}-09-25 26 {1935}-10-04 10-21 11-06 11-22
IA3022 FRUITLAND -29 32 {1913}-09-22 26 {1935}-10-04 10-21 11-12 11-22
IAD004 Iowa Drought Region 4 - Southwest -31 32 {1902}-09-12 26 {1942}-09-28 10-21 11-08 11-21
IA8974 WEVER -21 30 {1928}-09-26 21 {1930}-10-20 10-21 11-04 11-06
IA8860 WEST DES MOINES 6 W -21 31 {2012}-09-23 27 {2012}-10-06 10-21 11-11 11-23
IA8747 WAUKEE -36 32 {1902}-09-13 28 {1918}-09-20 10-21 11-08 11-21
IA8231 THURMAN -37 32 {1940}-09-11 28 {1901}-09-18 10-21 11-08 11-15
IA7955 STOCKPORT -35 32 {1917}-09-11 27 {1913}-09-22 10-21 11-11 11-22
IA6205 OGDEN -33 31 {1902}-09-05 27 {1913}-09-22 10-21 11-08 11-19
IA6195 ODEBOLT 2 -37 31 {1902}-09-12 28 {1918}-09-20 10-21 11-02 11-13
IA5638 MONROE -32 32 {1929}-09-18 24 {1942}-09-28 10-21 11-08 11-22
IA4523 LACONA -29 32 {1918}-09-21 25 {1899}-09-29 10-21 11-11 11-22
IA0064 AFTON -30 32 {1902}-09-12 27 {1913}-09-22 10-22 11-08 11-21
IA0549 BEAVER 2 NE -18 32 {1949}-09-29 26 {1948}-10-17 10-22 11-10 11-20
IA1324 CEDAR RAPIDS 2 -30 31 {1929}-09-18 28 {1926}-09-26 10-22 11-09 11-22
IA1888 COUNCIL BLUFFS 6 NNE -16 30 {1951}-09-28 28 {1948}-10-17 10-22 11-10 11-10
IA2026 CUSHING -26 32 {1934}-09-21 27 {1942}-09-24 10-22 11-03 11-08
IA2240 DEXTER -22 29 {1942}-09-24 24 {1942}-09-28 10-22 11-03 11-21
IATDBQ Dubuque Area -31 32 {2007}-09-15 28 {1956}-09-20 10-22 11-10 11-21
IA9164 WOODBINE -22 32 {1943}-09-20 28 {1942}-09-24 10-22 11-03 11-10
IA8646 STANTON 4N -16 27 {1948}-10-17 27 {1948}-10-17 10-22 11-10 11-20
IA8255 TINGLEY -24 32 {1927}-09-21 28 {1942}-09-24 10-22 11-03 11-21
IA8131 TABOR 6 NNW -16 30 {1951}-09-28 28 {1948}-10-17 10-22 11-10 11-13
IA6363 OTO -24 30 {1943}-09-20 28 {1942}-09-24 10-22 11-03 11-10
IA5608 MONDAMIN -23 31 {1943}-09-20 28 {1942}-09-24 10-22 10-26 11-09
IA0203 AMES 5 SE -33 32 {1902}-09-13 28 {1926}-09-26 10-23 11-08 11-21
IA1536 CLARINDA PLUM CREEK -22 29 {1942}-09-24 27 {1942}-09-28 10-23 11-03 11-11
IA1537 CLARINDA TARKIO CREEK -22 30 {1942}-09-24 27 {1942}-09-28 10-23 11-03 11-11
IA1538 CLARINDA WALNUT CREEK -23 29 {1942}-09-24 27 {1942}-09-28 10-23 11-03 11-11
IA1848 CORYDON 8 W -31 32 {1918}-09-21 25 {1913}-09-22 10-23 11-10 11-22
IA2396 DUNBAR 2 NE -23 30 {1942}-09-24 22 {1942}-09-28 10-23 11-04 11-21
IA3293 GLENWOOD 5 ESE -30 32 {1902}-09-13 26 {1942}-09-28 10-23 11-08 11-22
IA6945 RED OAK 10 SW -23 29 {1942}-09-24 27 {1942}-09-28 10-23 11-06 11-21
IA6386 OTTUMWA 1 WSW -36 8 {1895}-09-01 8 {1895}-09-01 10-23 11-11 11-22
IA5517 MILLERTON -31 30 {1901}-09-18 25 {1913}-09-22 10-23 11-11 11-22
IA5383 MELROSE -28 32 {1918}-09-21 25 {1942}-09-28 10-23 11-11 11-22
IA5163 MARION 4 NE -18 32 {1949}-09-29 27 {1948}-10-17 10-23 11-10 11-20
IA4746 LENOX -37 32 {1904}-09-13 28 {1913}-09-22 10-23 11-08 11-21
IA4700 LE CLAIRE -28 32 {1896,1918}-09-20 25 {1942}-09-28 10-23 11-11 11-22
IA4547 LAKE CITY -26 32 {1947}-09-22 23 {1942}-09-28 10-23 11-03 11-19
IA4372 KEOKUK NO 2 -23 25 {1935}-10-04 25 {1935}-10-04 10-23 11-06 11-22
IA0116 ALBIA PASTURE IMP FARM -24 32 {1962}-09-20 25 {1964}-10-09 10-24 11-10 11-19
IA0149 Allerton -33 31 {1991}-09-19 27 {1913}-09-22 10-24 11-10 11-22
IA0187 ALTOONA 4W -21 31 {2012}-09-23 27 {2003}-10-02 10-24 11-11 11-20
IA0238 ANKENY 2 SE -21 31 {2012}-09-23 27 {2003}-10-02 10-24 11-11 11-20
IA1319 CEDAR-RAPIDS-1 -33 32 {2007}-09-15 24 {1926}-09-26 10-24 11-10 11-21
IA1528 CLARENCE -26 32 {1956}-09-20 25 {1942}-09-28 10-24 11-10 11-21
IA1535 CLARINDA 1 E -17 32 {2003}-09-29 28 {2004}-10-02 10-24 11-11 11-20
IA1635 CLINTON-1 -29 31 {1902}-09-13 28 {1928}-09-25 10-24 11-11 11-22
IA1640 CLINTON 2 -28 32 {1956}-09-20 28 {1926}-09-26 10-24 11-12 11-22
IA1793 COON RAPIDS -34 32 {1902}-09-12 27 {1913}-09-22 10-24 11-08 11-21
IA2203 Des Moines Airport -29 31 {1995}-09-22 26 {1942}-09-28 10-24 11-11 11-21
IA2209 DES MOINES WSFO-JOHNSTON -27 31 {1999}-09-21 28 {2004}-10-02 10-24 11-10 11-21
IA3239 GILMAN -30 32 {1902}-09-13 22 {1942}-09-28 10-24 11-09 11-21
IA3438 GREENFIELD -34 32 {1981}-09-17 27 {1913}-09-22 10-24 11-08 11-21
IA3455 GRIMES 3 E -21 31 {2012}-09-23 27 {2003}-10-02 10-24 11-11 11-20
IA3517 GUTTENBERG-L-AND-D-10 -38 32 {1973}-09-18 25 {1942}-09-28 10-24 11-10 11-21
IA3569 HAMBURG 2 NE -16 29 {2004}-10-02 28 {2012,2000}-10-06 10-24 11-11 11-20
IA3589 HANCOCK -32 31 {1991}-09-19 25 {1942}-09-28 10-24 11-10 11-21
IATDSM Des Moines Area -29 31 {1995}-09-22 26 {1942}-09-28 10-24 11-11 11-21
IAC007 Iowa - Southwest Climate Division -30 32 {1902}-09-13 26 {1942}-09-28 10-24 11-10 11-21
IA9178 WOODWARD 7 N -27 32 {1962}-09-20 27 {1966}-10-01 10-24 11-06 11-21
IA9132 WINTERSET -35 31 {1955}-09-12 26 {1896}-09-20 10-24 11-08 11-21
IA8989 WHEATLAND -18 32 {1949}-09-29 26 {1948}-10-17 10-24 11-10 11-20
IA8632 WALFORD 2 SE -30 31 {1929}-09-18 28 {1926}-09-26 10-24 11-10 11-22
IA8540 VILLISCA NO. 2 -19 31 {2003}-09-29 28 {2004}-10-02 10-24 11-11 11-20
IA7678 SIGOURNEY -32 32 {1902}-09-13 25 {1913}-09-21 10-24 11-11 11-22
IA7613 SHENANDOAH-1-NE -29 32 {1937}-09-16 28 {1918}-09-20 10-24 11-10 11-21
IA7425 SAYLORVILLE 3WNW -21 31 {2012}-09-23 27 {2003}-10-02 10-24 11-11 11-20
IA7340 ST CHARLES -32 29 {1913}-09-22 24 {1942}-09-28 10-24 11-11 11-22
IA7085 RIVERTON -22 30 {1942}-09-24 26 {1942}-09-28 10-24 11-06 11-21
IA6941 READ OAK # 2 -23 32 {1991}-09-19 28 {1984}-09-29 10-24 11-10 11-21
IA6920 REDFIELD 2 E -24 30 {1995}-09-22 27 {2003}-10-02 10-24 11-10 11-21
IA6895 RANDOLPH 1 W -17 29 {2004}-10-02 28 {2000,2012}-10-06 10-24 11-11 11-20
IA6634 PISGAH -25 31 {1991}-09-19 27 {1984}-09-29 10-24 11-10 11-20
IA6527 PELLA 1S -32 32 {1902}-09-13 26 {1913}-09-22 10-24 11-11 11-22
IA6391 OTTUMWA -24 32 {1918}-09-21 24 {1942}-09-28 10-24 11-12 11-22
IA6389 Ottumwa -36 32 {2007}-09-15 23 {1942}-09-28 10-24 11-11 11-22
IA6327 OSKALOOSA -31 31 {1902}-09-13 27 {1991}-09-20 10-24 11-10 11-21
IA6186 OASIS 1 NW -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA6119 NORWICH EXPERIMENT FARM -23 29 {1942}-09-24 26 {1942}-09-28 10-24 11-03 11-20
IA5992 NEWTON -34 32 {1929}-09-18 23 {1942}-09-28 10-24 11-08 11-21
IA5769 MOUNT-AYR -30 32 {1902}-09-13 28 {1991}-09-19 10-24 11-10 11-21
IA5742 MORSE 4 SSW -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA5737 MORSE 1 NE -18 32 {1949}-09-29 26 {1948}-10-17 10-24 11-10 11-20
IA5732 MORSE -18 32 {1949}-09-29 26 {1948}-10-17 10-24 11-10 11-20
IA5650 MONTEZUMA 1 W -29 32 {1902}-09-13 28 {1926}-09-26 10-24 11-10 11-21
IA5584 MISSOURI VALLEY 1 NNE -22 32 {1940}-09-11 28 {1942}-09-24 10-24 11-03 11-21
IA5315 MCGREGOR -25 30 {1967}-09-29 24 {1964}-10-10 10-24 11-05 11-18
IA5250 MASSENA -32 32 {1904}-09-16 25 {1942}-09-28 10-24 11-10 11-21
IA4898 LOGAN NO 2 -25 31 {1991}-09-19 28 {1942}-09-24 10-24 11-10 11-21
IA4758 LEON 6 ESE -36 32 {1986}-09-08 28 {1991}-09-19 10-24 11-11 11-22
IA4569 LAKE VIEW -22 28 {1942}-09-24 28 {1942}-09-24 10-24 11-03 11-21
IA4389 KEOSAUQUA -36 31 {1917}-09-11 28 {1916}-09-18 10-24 11-11 11-22
IA4342 KENNEBEC -25 31 {1991}-09-19 26 {1984}-09-29 10-24 11-07 11-20
IA4174 IRWIN 3 ESE -25 31 {1991}-09-19 27 {1984}-09-29 10-24 11-10 11-21
IA4131 IOWA CITY RALSTON CREEK -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA4126 IOWA CITY RALSTON CREEK -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA4121 IOWA CITY RALSTON CREEK -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA4116 IOWA CITY RALSTON CREEK -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA4111 IOWA CITY RALSTON CREEK -17 32 {1949}-09-29 27 {1948}-10-17 10-24 11-10 11-20
IA0112 ALBIA -31 31 {1916}-09-18 27 {1913}-09-22 10-25 11-10 11-22
IA0602 BELLE PLAINE 3 S -23 31 {2012}-09-23 24 {2003}-10-02 10-25 11-11 11-20
IA0753 BLOOMFIELD -29 31 {1991}-09-20 26 {1913}-09-23 10-25 11-11 11-22
IA1099 BUSSEY 3 WNW -29 32 {1902}-09-13 24 {1942}-09-28 10-25 11-11 11-22
IA1354 CENTERVILLE -30 31 {1913}-09-13 28 {1913}-09-22 10-25 11-11 11-22
IA1731 COLUMBUS JUNCT 2 SSW -34 31 {1955}-09-12 28 {1991}-09-20 10-25 11-11 11-22
IA1823 CORALVILLE -23 32 {2012}-09-23 24 {2003}-10-02 10-25 11-12 11-21
IA2007 CUMBERLAND -32 32 {1902}-09-13 25 {1942}-09-28 10-25 11-11 11-22
IA2299 Donnellson -28 31 {1991}-09-20 25 {1942}-09-28 10-25 11-11 11-22
IA2369 DUBUQUE RIVER -26 30 {1942}-09-25 24 {1899}-09-30 10-25 11-11 11-22
IA2555 ELBERON 3 S -23 31 {2012}-09-23 24 {2003}-10-02 10-25 11-11 11-20
IA2678 EMERSON 4 ENE -30 30 {1901}-09-18 26 {1942}-09-28 10-25 11-08 11-22
IA2789 FAIRFIELD -31 32 {1917}-09-11 28 {1918}-09-21 10-25 11-11 11-22
IA3562 HAMBURG -29 31 {1901}-09-18 28 {1942}-09-28 10-25 11-12 11-22
IAD005 Iowa Drought Region 5 - Southeast -30 31 {1991}-09-20 24 {1942}-09-28 10-25 11-11 11-22
IAC009 Iowa - Southeast Climate Division -29 32 {1896,1991}-09-20 25 {1942}-09-28 10-25 11-11 11-22
IAC008 Iowa - South Central Climate Division -30 31 {1991}-09-19 25 {1942}-09-28 10-25 11-11 11-21
IA8688 WASHINGTON -32 30 {1902}-09-13 28 {1983}-09-23 10-25 11-11 11-22
IA8668 Wapello -27 31 {1991}-09-20 28 {1984}-09-29 10-25 11-12 11-22
IA8307 TRACY 1 NE -29 32 {1902}-09-13 24 {1942}-09-28 10-25 11-11 11-22
IA7669 SIDNEY -29 30 {1901,1991}-09-18 28 {1995}-09-22 10-25 11-11 11-22
IA6891 RANDOLPH -25 32 {1991}-09-19 27 {1984}-09-29 10-25 11-11 11-23
IA6419 OXFORD JUNCTION 1 S -26 32 {2012}-09-23 26 {2009}-10-10 10-25 11-12 11-21
IA5842 MUSCATINE 2 -29 32 {1991,1896}-09-20 25 {1942}-09-28 10-25 11-12 11-23
IA5837 MUSCATINE -34 29 {1991}-09-20 23 {1942}-09-28 10-25 11-11 11-22
IA5834 MURRAY -31 32 {1901}-09-18 28 {1913}-09-22 10-25 11-11 11-13
IA5796 MOUNT-PLEASANT -27 32 {1902}-09-13 28 {1942}-09-24 10-25 11-11 11-22
IA4585 Lamoni -29 32 {1901}-09-18 27 {1942}-09-28 10-25 11-10 11-22
IA4529 LADORA -23 31 {2012}-09-23 24 {2003}-10-02 10-25 11-11 11-20
IA4502 KNOXVILLE -30 31 {1916}-09-18 28 {1926}-09-26 10-25 11-11 11-22
IA4102 IOWA CITY 2 -23 32 {2012}-09-23 24 {2003}-10-02 10-25 11-12 11-21
IA4067 INDIANOLA 5 NNW -24 31 {1995}-09-22 24 {1942}-09-28 10-25 11-10 11-21
IA3681 HAVEN 1 NE -23 31 {2012}-09-23 24 {2003}-10-02 10-25 11-11 11-20
IA3671 HARTWICK 4NW -22 31 {2012}-09-23 24 {2003}-10-02 10-25 11-11 11-20
IA0493 BARTLETT 5 E -23 30 {1951}-09-28 28 {1952}-10-06 10-26 11-09 11-22
IA2055 DALLAS 2 NW -19 32 {2012}-09-23 28 {2003}-10-02 10-26 11-11 11-20
IA2195 DERBY -24 31 {1995}-09-22 28 {1974}-10-02 10-26 11-12 11-23
IA2541 EDDYVILLE -22 31 {1942}-09-24 24 {1942}-09-28 10-26 11-13 11-22
IA3295 GLENWOOD 8 SSE -23 30 {1951}-09-28 28 {1952}-10-06 10-26 11-09 11-22
IA7582 SHELBY -25 31 {1991}-09-19 27 {1984}-09-29 10-26 11-10 11-21
IA6335 OSKALOOSA 4 N -19 31 {2012}-09-23 26 {2003}-10-02 10-26 11-11 11-20
IA6062 NORTHBORO -29 31 {1901}-09-18 27 {1899}-09-29 10-26 11-12 11-15
IA4926 LORIMOR -23 30 {1995}-09-22 28 {2004,2003}-10-02 10-26 11-10 11-23
IA4507 KNOXVILLE 3E -19 32 {2012}-09-23 27 {2003}-10-02 10-26 11-11 11-20
IA0745 BLOCKTON 1W -28 31 {1901}-09-18 28 {1942}-09-28 10-27 11-13 11-23
IA0910 BRIGHTON -25 32 {1984}-09-26 25 {2003}-10-02 10-27 11-11 11-21
IA1063 Burlington Airport -27 30 {1918}-09-18 25 {1942}-09-28 10-27 11-12 11-24
IA1737 CONESVILLE 3 NE -22 32 {2003}-09-29 24 {2003}-10-02 10-27 11-12 11-21
IA2068 DAVENPORT -25 30 {1942}-09-28 28 {1899}-09-30 10-27 11-12 11-22
IA2208 Des Moines SE 6th -29 32 {1913}-09-22 28 {1942}-09-28 10-27 11-12 11-22
IA2364 DUBUQUE-LOCK-AND-DAM -37 31 {1956}-09-20 24 {1899}-09-30 10-27 11-11 11-22
IA2544 EDDYVILLE NO 2 -19 32 {2012}-09-23 26 {2003}-10-02 10-27 11-11 11-21
IA7683 SIGOURNEY 2 S -20 32 {2012}-09-23 25 {2003}-10-02 10-27 11-12 11-21
IA6396 OTTUMWA -18 32 {2012}-09-23 26 {2003}-10-02 10-27 11-12 11-21
IA6392 OTTUMWA #1 -21 32 {2012}-09-23 26 {2003}-10-02 10-27 11-11 11-26
IA6160 OAKLAND MILLS 3 W -24 26 {2003}-10-02 26 {2003}-10-02 10-27 11-12 11-24
IA5750 MOULTON 5 W -18 32 {2012}-09-23 28 {2003}-10-02 10-27 11-12 11-21
IA4587 LAMONI -20 -1 {2011,2012}-08-07 -1 {2011,2012}-08-07 10-27 11-11 11-21
IA4280 KALONA 1 SSW -22 32 {2012}-09-23 24 {2003}-10-02 10-27 11-12 11-24
IA3933 HOPEVILLE -30 32 {1901}-09-18 27 {1908,1899}-09-29 10-27 11-10 11-12
IA1060 BURLINGTON -26 32 {1984}-09-26 28 {1974}-10-02 10-28 11-12 11-27
IA2069 DAVENPORT LOCK & DAM 15 -22 30 {1974}-10-02 28 {1979}-10-13 10-28 11-20 11-27
IA3007 Fort Madison -28 32 {1913}-09-22 26 {1942}-09-28 10-28 11-21 11-27
IA6965 RED ROCK DAM -19 29 {1984}-09-29 26 {1987}-10-11 10-28 11-10 11-10
IA4394 KEOSAUQUA 2 -21 32 {1942}-09-24 25 {1942}-09-28 10-28 11-19 11-22
IA4705 Le Claire L&D 14 -28 32 {1942}-09-26 28 {1942}-09-28 10-29 11-20 11-27
IA1398 CHARITON 5SSE -24 31 {1995}-09-22 28 {1974}-10-02 10-31 11-11 11-24
IA6820 PROMISE CITY 6 NW -23 31 {1995}-09-22 28 {1974}-10-02 11-01 11-11 11-23
IA4381 KEOKUK LOCK DAM 19 -27 30 {1992}-09-23 23 {1952}-10-06 11-02 11-21 11-28
IA4376 KEOKUK LOCK & DAM 19 -14 24 {1952}-10-06 24 {1952}-10-06 11-03 11-21 11-22