Automated Data Plotter
This application dynamically generates many types of graphs derived from various IEM data sources. Feel free to use these generated graphics in whatever way you wish.
1 Select a Chart Type
2 Configure Chart Options
Plot Description:
This report displays the number of cycles between two temperature thresholds of your choice. A cycle representing one round trip from below some threshold to above the second threshold.# IEM Climodat https://mesonet.agron.iastate.edu/climodat/ # Report Generated: 01 Nov 2026 # Climate Record: 1893-01-01 -> 2026-11-01 # Site Information: [IATAME] Ames Area # Contact Information: Daryl Herzmann akrherz@iastate.edu 515.294.5978 # seasonal temperature cycles per year, spring is Jan-Jun, fall is Jul-Dec # 1 CYCLE IS A TEMPERATURE VARIATION FROM A VALUE BELOW A THRESHOLD # TO A VALUE EXCEEDING A THRESHOLD. THINK OF IT AS FREEZE/THAW CYCLES # FIRST DATA COLUMN WOULD BE FOR CYCLES EXCEEDING 26 AND 38 DEGREES F THRES 26-38 26-38 24-40 24-40 20-44 20-44 14-50 14-50 YEAR SPRING FALL SPRING FALL SPRING FALL SPRING FALL 1893 19 19 14 13 6 8 1 4 1894 27 15 21 12 8 6 4 4 1895 16 20 13 14 11 8 6 4 1896 20 14 10 12 4 6 2 5 1897 15 11 7 8 3 3 1 0 1898 20 9 13 5 3 1 2 1 1899 12 16 9 8 4 3 2 0 1900 13 16 11 11 4 3 2 1 1901 13 16 10 13 7 6 4 2 1902 20 11 14 5 6 1 2 0 1903 24 17 13 9 9 5 1 0 1904 22 16 15 12 5 5 2 1 1905 12 24 8 16 3 8 1 1 1906 17 20 10 15 6 8 2 2 1907 25 27 17 17 10 7 4 2 1908 21 22 16 11 10 4 1 1 1909 21 7 12 5 7 4 4 2 1910 12 22 5 14 0 7 0 2 1911 31 24 22 15 12 5 4 3 1912 7 25 4 19 0 11 0 1 1913 26 20 20 14 13 5 6 2 1914 24 9 18 6 8 3 3 1 1915 15 12 6 8 3 4 0 1 1916 25 8 17 5 11 2 2 2 1917 22 16 15 11 7 4 1 1 1918 26 11 16 7 4 2 2 1 1919 21 11 12 6 4 1 3 1 1920 9 12 7 8 1 4 0 1 1921 26 10 15 9 9 4 4 3 1922 16 17 10 11 4 5 1 0 1923 24 25 15 15 6 5 1 0 1924 11 11 5 9 4 5 3 2 1925 17 14 11 9 5 4 3 2 1926 20 10 16 8 9 3 2 2 1927 16 12 8 7 4 2 1 2 1928 21 10 14 5 7 3 2 0 1929 6 12 3 8 0 3 0 2 1930 23 14 17 11 6 4 3 1 1931 31 9 22 4 8 2 3 0 1932 11 12 8 9 4 2 2 1 1933 29 23 21 17 8 8 3 2 1934 23 10 18 5 12 2 6 0 1935 15 11 9 8 4 3 1 0 1936 12 20 7 16 5 8 1 2 1937 7 12 3 8 2 4 3 2 1938 20 11 9 8 4 2 2 1 1939 23 20 16 14 6 5 2 0 1940 8 10 5 8 2 3 1 3 1941 13 8 8 5 3 4 1 2 1942 12 11 5 8 1 1 0 0 1943 14 21 11 11 6 4 3 1 1944 28 2 20 2 10 0 3 0 1945 7 9 3 5 1 3 0 1 1946 14 16 10 10 5 5 3 2 1947 11 10 10 7 6 2 2 0 1948 8 13 7 8 4 1 3 0 1949 13 17 6 14 2 6 1 2 1950 24 13 16 9 3 6 2 3 1951 14 4 10 4 4 3 4 3 1952 11 21 8 15 4 2 2 0 1953 11 21 6 13 2 5 0 0 1954 22 13 16 9 11 5 5 0 1955 12 13 7 12 3 4 1 2 1956 22 12 16 6 5 4 2 2 1957 18 15 15 11 5 3 2 1 1958 11 14 3 6 2 3 0 1 1959 14 15 10 8 3 4 0 4 1960 7 10 3 9 0 5 0 2 1961 21 7 12 6 6 3 2 0 1962 10 13 5 7 2 4 0 1 1963 11 10 4 7 4 3 1 0 1964 29 10 21 7 9 3 5 2 1965 11 16 8 9 4 7 0 2 1966 17 20 10 11 6 5 4 5 1967 14 18 10 13 5 7 4 3 1968 25 10 20 6 9 3 5 2 1969 2 14 2 10 2 3 1 2 1970 21 6 16 5 9 4 5 2 1971 12 9 7 5 2 2 0 1 1972 15 8 9 5 4 2 1 1 1973 11 5 4 2 2 1 0 0 1974 11 11 7 5 5 1 2 0 1975 6 11 4 9 3 6 1 3 1976 28 26 18 15 8 8 3 5 1977 18 6 15 3 5 2 2 0 1978 1 5 1 2 0 0 0 0 1979 5 18 5 12 2 7 0 4 1980 14 19 9 12 4 6 2 3 1981 28 8 24 7 10 2 2 0 1982 8 11 6 7 3 4 2 3 1983 11 0 7 0 4 0 1 0 1984 7 14 3 11 1 7 1 2 1985 8 3 6 2 2 1 0 1 1986 12 11 8 6 4 3 1 1 1987 28 13 23 7 8 3 3 0 1988 20 14 10 11 5 7 2 3 1989 17 17 9 13 5 7 3 2 1990 39 6 31 3 15 3 3 1 1991 14 8 11 6 6 3 2 1 1992 22 6 14 3 4 1 2 0 1993 6 13 3 7 1 4 0 0 1994 14 7 11 6 5 1 1 0 1995 7 12 4 9 2 6 1 4 1996 24 6 21 4 10 3 5 1 1997 24 12 17 9 7 6 2 0 1998 10 15 7 10 3 0 3 0 1999 20 17 16 12 5 6 2 1 2000 24 11 19 8 6 4 3 0 2001 12 14 7 9 3 2 0 0 2002 33 23 25 22 11 12 8 3 2003 15 13 12 7 7 5 2 2 2004 18 12 11 10 5 7 2 1 2005 21 6 14 5 7 3 3 1 2006 27 19 18 12 10 7 5 1 2007 14 9 9 7 7 1 2 0 2008 9 15 6 12 2 7 1 2 2009 15 5 11 0 3 0 3 0 2010 5 12 0 5 0 3 0 1 2011 15 19 8 15 5 5 3 1 2012 27 20 15 12 10 6 3 1 2013 26 16 14 7 8 4 1 1 2014 19 11 14 8 4 6 1 2 2015 9 4 6 3 1 2 1 1 2016 12 10 8 7 4 2 1 0 2017 19 32 14 26 7 9 2 2 2018 28 15 17 11 7 5 3 2 2019 8 20 5 15 2 8 1 3 2020 22 29 12 18 6 10 2 1 2021 17 18 9 13 2 8 0 3 2022 26 22 14 16 6 6 4 2 2023 24 20 16 10 9 6 4 2 2024 27 11 20 8 9 3 4 2 2025 22 10 13 7 7 5 3 1 2026 20 0 13 0 4 0 3 0 AVG 17.5 13.9 11.8 9.4 5.6 4.6 2.5 1.8
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