NWS COOP Climatology for 20 August

This table gives a listing of unofficial daily records for NWS COOP stations. Some records may have occured on multiple years, only one is listed here. You may click on a column to sort it. You can click on the station name to get all daily records for that station or click on the date to get all records for that date.

The data found in this table was derived from the following JSON webservice:
https://mesonet.agron.iastate.edu/geojson/climodat_dayclimo.py?network=IACLIMATE&month=8&day=20&syear=1800&eyear=2025

Select State:	Select Date:	Select Record Database:
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Station	Years	High Temperature [F]						Low Temperature [F]						Precipitation [inch]
		Avg:	Max:	Year:	Min:	Year:		Avg:	Max:	Year:	Min:	Year:		Avg:	Max:	Year:
HOLSTEIN 5 NNW (IA3910)	5	84.2	91	2023	77	2022		61.2	67	2023	57	2020		0.24	1.01	2019
DAVENPORT WFO (IA2070)	13	82.1	93	2023	74	2015		63.6	73	2023	53	2012		0.23	0.80	2016
AMES MUNICIPAL AP (IA0197)	27	81.4	95	2003	73	2016, 2009		60.4	74	2023	46	2012		0.24	1.77	2018
DES MOINES WSFO-JOHNSTON (IA2209)	29	81.9	96	2003	73	2009		63.0	74	2023	50	2012		0.23	1.55	2019
LAMONI (IA4587)	26	83.0	100	2003	73	2004		63.8	73	2023	54	2012		0.17	1.78	2018
LITTLE SIOUX 2NW (IA4874)	24	82.8	95	2023	72	2018		58.3	71	2007	44	2012		0.23	3.80	2018
MARSHALLTOWN MUNICIPAL AP (IA5199)	27	80.6	96	2003	72	2016		60.5	74	2023	48	2012		0.22	1.67	2018
Spencer Airport (IAKSPW)	28	81.2	91	2003, 2021	72	2000, 2004		58.5	71	1998	43	2004		0.10	0.78	2007
LOWDEN (IA4963)	33	81.1	97	2023	71	2004		59.2	69	2010	47	2012		0.17	1.54	2018
MUSCATINE (IA5837)	89	83.8	100	1983	71	1956		62.4	89	1983	42	1950		0.15	1.66	1935
Burlington Airport (IA1063)	127	84.3	101	1947, 1983	70	1950, 1956		63.5	75	1947	41	1950		0.15	2.25	1936
CLINTON-1 (IA1635)	131	82.6	98	1983, 1916, 1947	70	1915, 1956, 1934, 1907, 1951		60.6	75	1968	42	1950, 1897		0.16	2.51	1979
SHENANDOAH-1-NE (IA7613)	106	85.4	100	2003	70	2004		62.5	75	1998	37	2011		0.19	2.69	1938
AMES-8-WSW (IA0200)	131	82.4	98	1947	69	1950		59.7	73	1998, 2023	38	1950		0.16	2.02	1898
CEDAR-RAPIDS-1 (IA1319)	132	82.6	100	1916, 1947	69	1911		60.6	75	1947	38	1950		0.13	1.48	1935
Ottumwa (IA6389)	128	84.2	103	1947	69	1956		62.6	82	1900	41	1950		0.16	4.54	2010
SIOUX CENTER 2 SE (IA7700)	125	83.0	100	1947	69	1990		58.6	74	1959	40	1950		0.11	2.07	2007
Iowa - Southwest Climate Division (IAC007)	131	84.5	99	1947	69	2004, 1950		62.4	75	1900, 1955	40	1950		0.14	3.24	2018
Iowa Drought Region 4 - Southwest (IAD004)	131	84.2	99	1947	69	1950, 2004		62.1	75	1955	40	1950		0.13	3.45	2018
ATLANTIC-1-NE (IA0364)	131	84.3	100	1947	68	2015, 1950		59.7	76	1923	36	1897		0.12	4.15	2018
Cedar Rapids Airport (IA1314)	71	81.0	98	1983	68	1985, 1956		60.3	73	1955	47	1956		0.16	2.42	1969
CHEROKEE (IA1442)	102	82.2	99	1947	68	1950		58.4	75	1947	34	1950		0.07	0.87	2019
CLARINDA (IA1533)	131	84.5	103	1898	68	2004		61.2	79	1898	37	1950		0.16	2.76	2018
Donnellson (IA2299)	86	83.9	100	1983	68	2015		61.3	73	1968, 1947	43	1950		0.08	1.56	2009
FAIRFIELD (IA2789)	131	84.0	102	2003	68	2015		61.6	74	1962, 1968, 2003	40	1950		0.15	2.22	1969
Fort Madison (IA3007)	131	84.2	100	1983	68	1967		63.7	77	1900, 1968	43	1950		0.13	2.27	1910
GUTTENBERG-L-AND-D-10 (IA3517)	87	81.6	98	1955	68	1950		61.3	78	1955	41	1950		0.13	3.15	2007
IOWA CITY MUNICIPAL AP (IA4106)	80	81.8	101	2003	68	1956		61.6	74	1968, 1955	40	1950		0.15	1.86	2019
KEOSAUQUA (IA4389)	131	85.2	104	1983	68	2015		61.8	75	1962, 1968, 2003, 1947	40	1950		0.14	1.71	2005
MASON CITY MUNICIPAL AP (IA5235)	82	80.6	96	1972	68	1950		57.7	73	1955	35	1950		0.09	1.15	2018
NEW-HAMPTON (IA5952)	127	80.6	96	1983, 2003	68	1950, 2015		57.6	71	1968, 1959, 1955, 2003	36	1950		0.22	4.25	2007
OSCEOLA-3-WSW (IA6316)	130	84.5	101	1947	68	2004, 2000, 1956		61.4	75	1900, 1975	38	1950		0.13	1.34	2014
SIOUX CITY ANG (IA7702)	24	81.9	96	2023	68	2000		59.7	71	2007	45	2012		0.18	1.80	2014
Iowa - West Central Climate Division (IAC004)	131	83.3	99	1947	68	1950		61.1	75	1955	39	1950		0.12	3.13	2018
Iowa Drought Region 1 - Northwest (IAD001)	131	82.9	99	1947	68	1956		60.0	74	1972, 1955	37	1950		0.11	1.36	2018
Cedar Rapids Area (IATCID)	131	81.8	100	1916, 1947	68	1956, 1985		60.4	75	1947	38	1950		0.14	2.42	1969
Iowa Average (IA0000)	131	82.8	98	1947	67	2015		60.8	74	1980, 1955	38	1950		0.14	1.31	2018
ALGONA (IA0133)	131	81.3	99	1983	67	1930, 1985		59.0	76	1972	39	1950		0.15	2.20	1898
ALLISON (IA0157)	110	81.9	100	1947	67	2015		59.1	74	1959	37	1950		0.25	5.24	2007
BATTLE CREEK 3NE (IA0512)	14	82.4	94	2023	67	2015		58.9	69	2021, 2023	46	2015, 2012		0.25	1.59	2018
CARROLL-2-SSW (IA1233)	131	83.1	102	1947	67	1950		58.8	76	1998	37	1950		0.15	3.70	1920
CHARLES-CITY (IA1402)	131	81.0	98	1955	67	1907, 1950		58.4	74	2003, 1955	38	1897		0.21	3.14	2007
CORNING (IA1833)	131	83.5	99	1913	67	2004, 2015		60.7	75	1900	38	1950		0.17	4.27	2018
DECORAH-2-N (IA2110)	131	81.6	97	1955, 2003, 1916	67	1907		57.6	75	1955	37	1950		0.11	3.25	1907
Dubuque Airport (IA2367)	73	79.6	96	1955	67	1977, 1985		59.7	71	1959, 1980	44	1967		0.21	2.36	1952
Emmetsburg (IA2689)	131	82.0	97	1947, 1955	67	2015		59.0	73	1900, 1959	38	1950		0.13	1.99	1898
ESTHERVILLE MUNICIPAL AP (IA2725)	28	78.4	88	2021	67	2004		58.1	71	1998	42	2004		0.19	1.51	2007
GREENFIELD (IA3438)	131	83.7	101	1947	67	1950, 2015		61.1	74	1998	39	1950		0.14	2.81	2018
Le Claire L&D 14 (IA4705)	86	82.2	101	1983	67	2015		63.2	77	1955	46	1950		0.17	3.96	1979
PERRY (IA6566)	123	82.7	98	1947	67	2015, 2004		59.5	73	1998, 1959	36	1950		0.12	1.90	1958
PRIMGHAR (IA6800)	129	82.6	98	1947	67	1990		59.5	72	1972, 1900, 1955	38	1950		0.10	1.30	2007
SANBORN (IA7386)	110	80.7	96	1947, 1968	67	2000, 2015		58.0	72	1955	38	1950		0.11	1.43	1935
Spencer (IA7844)	129	82.0	99	1947	67	1990		57.9	75	1959	34	1950		0.17	3.50	1913
STORM-LAKE-2-E (IA7979)	131	81.2	96	1947	67	1963, 2015, 1950, 1930		59.7	74	1900	38	1950		0.10	2.49	2018
Iowa - Northwest Climate Division (IAC001)	131	82.2	97	1955, 1947	67	1956		59.6	73	1959, 1972, 1955	37	1950		0.12	1.14	2018
Dubuque Area (IATDBQ)	151	80.6	99	1916	67	1977, 1985		60.6	76	1900, 1947	44	1967		0.15	2.36	1952
Ida Grove Area (IATIDA)	121	82.9	100	1947	67	2015		59.5	75	1947	37	1950		0.08	1.59	2018
Spencer Area (IATSPW)	129	82.2	99	1947	67	1990		58.0	75	1959	34	1950		0.16	3.50	1913
AUDUBON (IA0385)	131	82.9	97	1955	66	2015		59.6	78	1947	39	1950, 1897		0.12	3.10	2018
CENTERVILLE (IA1354)	131	83.8	102	1983	66	2015		62.3	74	1924, 1900	40	1950		0.13	2.45	1969
CHARITON (IA1394)	129	84.0	100	1947	66	2015		60.2	73	2003, 1900	35	1950		0.13	1.97	1951
COLUMBUS JUNCT 2 SSW (IA1731)	123	83.5	103	1983	66	2015		61.6	88	1947	40	1950		0.13	1.67	1935
Des Moines Airport (IA2203)	146	83.0	100	1983, 1947	66	1930		63.1	78	2023	40	1950		0.14	2.77	2019
Elkader 6SSW (Osborn) (IA2603)	131	82.6	101	1955	66	2015		56.8	73	1980	34	1950		0.15	3.55	2007
FAYETTE (IA2864)	131	81.0	98	1947, 1955	66	2015		56.5	74	1955	34	1950		0.18	3.51	2007
Iowa City (IA4101)	131	83.6	100	1983, 2003, 1947	66	2015		61.0	74	1982	39	1950		0.20	3.67	1990
JEFFERSON (IA4228)	131	82.9	98	1947	66	2015		60.1	75	1998	39	1950		0.13	2.20	2018
KEOKUK LOCK DAM 19 (IA4381)	133	84.2	105	1983	66	1997		64.8	80	1982	47	1950		0.08	1.01	1937
LEMARS (IA4735)	128	83.3	100	1955	66	2000		59.5	76	1955	38	1950		0.10	1.35	1897
LOGAN (IA4894)	131	84.8	99	1947	66	2000		60.7	74	1959, 1998, 1913	37	1950		0.17	7.10	2018
MASON-CITY (IA5230)	131	81.0	96	1916, 1983, 1947	66	2015		57.3	74	1959	35	1950		0.15	2.31	1913
Milford (IA5493)	104	80.4	97	1955	66	1990		59.0	74	1959	35	1950		0.13	2.12	2007
MOUNT-PLEASANT (IA5796)	131	84.2	101	1983	66	2015		61.6	75	1947	40	1950		0.10	1.65	2009
OSAGE (IA6305)	131	80.5	95	1955	66	1997, 2015		58.1	72	2003, 1974, 1959	37	1950		0.17	2.90	1939
Postville (IA6766)	131	79.7	96	1955	66	2015		58.5	75	1959, 1955	40	1950		0.16	1.99	1952
SIBLEY-5-NNE (IA7664)	131	81.2	97	1955, 1901	66	2000, 1990		56.8	72	1959, 1972	30	1950		0.14	2.29	1979
SPIRIT LAKE (IA7859)	131	81.5	97	1955, 1900	66	1990		59.6	74	1959	40	1950		0.13	2.35	1913
WATERLOO (IA8706)	130	82.3	101	1916	66	1950		58.6	74	1959, 1947, 2003	33	1950		0.19	4.92	1966
Iowa - South Central Climate Division (IAC008)	131	84.2	99	1947	66	2015		62.5	76	1962, 2003	39	1950		0.12	1.44	2018
Iowa - Southeast Climate Division (IAC009)	131	84.1	100	1947	66	1967		62.5	76	1955	39	1950		0.13	1.11	1989
Iowa Drought Region 2 - Northcentral (IAD002)	131	82.1	97	1947, 1955	66	2015		60.1	74	1980, 1955	38	1950		0.14	1.40	2018
Iowa Drought Region 5 - Southeast (IAD005)	131	83.8	100	1947	66	2015		62.1	75	2003, 1955	39	1950		0.13	0.95	1989
Waterloo Area (IATALO)	129	82.3	101	1916	66	1950		58.6	74	1959, 1947, 2003	33	1950		0.19	4.92	1966
Des Moines Area (IATDSM)	146	83.0	100	1983, 1947	66	1930		63.1	78	2023	40	1950		0.14	2.77	2019
Allerton (IA0149)	122	84.0	99	1947, 1913	65	2004		61.4	72	1935, 1924, 1936, 1947	41	1950		0.12	1.16	1925
AMES 5 SE (IA0203)	124	82.5	100	1947	65	2015		61.1	74	1959, 1900, 1955	41	1950		0.16	3.89	1979
Boone (IA0807)	119	82.8	99	1983, 1947	65	2015, 1930		59.9	76	1947	40	1950		0.17	5.92	2007
Creston (IA1962)	119	82.9	99	1947	65	2000		60.8	73	1924	39	1950		0.16	3.09	2018
DENISON (IA2171)	131	82.3	97	1898, 1955, 1901	65	2015		60.2	74	1998, 1959, 1947	37	1950		0.10	2.69	2018
Estherville 4E (IA2724)	131	81.5	100	1955	65	1966		57.4	75	1959	33	1907		0.13	2.87	2007
FOREST-CITY (IA2977)	130	81.4	96	1916	65	2015		57.9	74	1959	36	1950		0.13	2.02	1898
FORT-DODGE (IA2999)	125	82.3	100	1983, 1947	65	1930		59.4	75	1947	38	1950		0.19	4.16	1969
GUTHRIE-CENTER (IA3509)	129	83.3	100	1983	65	2015		59.7	75	1998, 1959	39	1897		0.16	3.95	2019
MAPLETON NO. 2 (IA5123)	86	82.9	98	2003	65	2000		60.0	76	1947	36	1950		0.10	2.34	2018
NEWTON (IA5992)	131	83.1	100	1947	65	2015		60.9	75	1955	37	1950		0.13	2.00	1979
OSKALOOSA (IA6327)	131	83.5	101	1947	65	2015		60.7	74	1900, 1980	36	1950		0.12	2.05	1939
RATHBUN DAM (IA6910)	54	82.9	99	1983	65	2015		62.7	75	1983	47	1978		0.10	0.88	1996
ROCK-RAPIDS (IA7147)	131	82.3	101	1955	65	1990		57.9	73	1959, 1955	34	1950		0.13	2.31	1964
SAC-CITY (IA7312)	131	82.4	102	1947	65	2015		59.6	75	1998, 1959	42	1897, 1950		0.12	2.05	2018
SIGOURNEY (IA7678)	128	83.8	100	1916, 1901	65	2015		61.1	76	1983	40	1950		0.10	0.95	1935
SIOUX-RAPIDS (IA7726)	83	82.0	102	1947	65	1950		58.2	76	1947	34	1950		0.14	2.47	1979
STANLEY (IA7892)	18	80.7	89	2023	65	2015		58.0	64	2018, 2008	47	2012, 2020		0.33	3.03	2007
SWEA CITY 4 W (IA8026)	69	79.9	97	1955	65	1967		57.5	74	1959	40	1956		0.11	3.14	2007
WASHINGTON (IA8688)	131	84.0	102	1983	65	2015		61.2	74	1972, 1947, 1983	39	1897		0.13	3.08	1910
WAUKON (IA8755)	90	79.3	94	1955	65	1985		58.1	72	1955	38	1950		0.14	3.14	2009
WEBSTER-CITY (IA8806)	131	82.4	101	1947	65	2015		58.5	73	1959, 1955	35	1950		0.18	4.16	1969
WILLIAMSBURG (IA9067)	131	82.8	100	1983	65	2015		59.8	74	1947	40	1950		0.16	4.09	1990
Iowa - North Central Climate Division (IAC002)	131	81.1	97	1955	65	2015		59.2	74	1980	37	1950		0.16	1.80	2007
Iowa - Northeast Climate Division (IAC003)	131	80.8	96	1916	65	2015, 1967		59.2	73	1980, 1955	37	1950		0.16	2.07	2007
Iowa - Central Climate Division (IAC005)	131	82.6	99	1947	65	2015		60.7	74	1980, 1900, 2003, 1955	38	1950		0.15	1.61	2007
Iowa - East Central Climate Division (IAC006)	131	82.5	98	1916, 1947	65	2015, 1967		60.9	74	1955	38	1950		0.15	1.60	1990
Iowa Drought Region 3 - Northeast (IAD003)	131	81.6	97	1916	65	1967, 2015		59.8	74	1955	37	1950		0.16	1.77	2007
Ames Area (IATAME)	131	82.2	98	1947	65	2015		59.2	72	1928, 1959, 1900	38	1950		0.16	2.02	1898
BEACONSFIELD (IA0536)	73	82.5	96	1955	64	2000		61.2	73	1955	42	1991		0.15	3.16	2018
BELLE-PLAINE (IA0600)	131	82.3	100	1955, 1947	64	2015		59.4	72	1900, 1955	36	1950		0.23	4.15	1898
BELLEVUE-L-AND-D-12 (IA0608)	87	81.7	98	1947	64	2015		59.3	74	1968	36	1950		0.18	1.85	1996
CASCADE (IA1257)	82	81.6	102	1983	64	2015		58.1	72	1968	35	1950		0.18	2.06	1990, 2007
DUBUQUE-LOCK-AND-DAM (IA2364)	151	81.3	99	1916	64	2015		62.0	77	1955	45	1950		0.15	2.48	1952
GRUNDY-CENTER (IA3487)	131	81.5	98	1947	64	2015		58.7	74	1900, 1906	37	1950		0.16	2.75	1898
Lamoni (IA4585)	127	83.9	99	1914	64	2000		62.0	75	1983	41	1950		0.15	3.50	2018
MANCHESTER-2 (IA5086)	102	80.8	101	1983	64	2015		57.7	72	1955	40	1950		0.20	2.62	1952
MUSCATINE 2N (IA5844)	25	82.0	93	2005	64	2015		63.0	71	2007, 2003, 2023	53	2004		0.17	1.33	2007
OAKLAND-2-E (IA6151)	105	83.0	97	1947	64	2000		60.6	74	1998, 1942, 1947	35	1950		0.17	6.46	2018
OELWEIN 1E (IA6199)	18	80.6	89	2021, 2023	64	2015		60.1	67	2021	49	2012		0.20	2.35	2007
POCAHONTAS (IA6719)	120	82.1	99	1983	64	1930		58.6	73	1998, 1959	37	1950		0.12	1.95	2007
RED-OAK (IA6940)	127	85.0	101	2003	64	2000		61.7	74	1998, 1959, 1900, 1947	35	1950		0.19	3.44	2018
SIOUX-CITY-WSO-AP (IA7708)	135	83.1	101	1947	64	1890		61.2	75	1947	37	1950		0.16	2.12	2014
Oelwein Area (IATOEL)	69	80.3	96	1955	64	2015		58.4	71	1980	41	1956, 1967		0.11	2.35	2007
Sioux City Area (IATSUX)	135	83.1	101	1947	64	1890		61.2	75	1947	37	1950		0.16	2.12	2014
BURLINGTON (IA1060)	59	82.3	100	1983	63	1967		63.3	74	1972, 1968	51	2012		0.12	1.53	1969
GRINNELL-3-SW (IA3473)	131	82.6	101	1947	63	2015		59.4	74	1900	36	1950		0.14	2.97	1979
IOWA-FALLS (IA4142)	131	81.7	98	1983	63	2015		58.0	72	1952	34	1950		0.17	3.68	2019
MARSHALLTOWN (IA5198)	131	82.4	101	1947	63	2015		58.7	74	1959, 1900, 1955	37	1950		0.17	3.45	1979
MOUNT-AYR (IA5769)	131	83.8	99	1947, 1913	63	2000		61.5	80	1948	37	1950		0.15	2.55	2018
VINTON (IA8568)	131	82.8	101	1947	63	2015		59.3	74	1955	36	1950		0.16	1.97	1979
WINTERSET (IA9132)	131	83.5	99	1916	63	2015		60.6	75	1947	40	1950		0.12	2.05	1969
MAQUOKETA-2-W (IA5131)	128	82.1	100	1947	62	2015		58.5	73	1968	38	1950		0.21	3.15	1937
TOLEDO (IA8296)	130	82.3	101	1947, 1983	62	2015		58.7	74	1900	38	1950, 1897		0.16	2.42	1920
ANAMOSA 3 SSW (IA0214)	13	81.2	89	2021	61	2015		58.2	65	2016	51	2012, 2020		0.12	0.92	2022
NORTHWOOD (IA6103)	128	79.9	95	1959, 1955	61	2015		57.6	73	1959	36	1950		0.16	2.55	1920
HAMPTON-2-NW (IA3584)	131	81.9	99	1955, 1947	60	1939		58.1	74	1959, 1955	38	1950		0.15	3.50	2007