Automated Data Plotter
This application dynamically generates many types of graphs. These graphs are derived from processing of various data sources done by the IEM. Please feel free to use these generated graphics in whatever way you wish. Reset App. The IEM Explorer application offers a simplified frontend to some of these autoplots.
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Plot Description:
This plot presents the period between the first or last date for spring and fall season that the temperature was above or below some threshold. The year is split into two seasons on 1 July. A simple linear trend line is placed on both dates.# IEM Climodat https://mesonet.agron.iastate.edu/climodat/ # Report Generated: 23 May 2025 # Climate Record: 1893-01-01 -> 2025-05-23 # Site Information: [IATCID] Cedar Rapids Area # Contact Information: Daryl Herzmann akrherz@iastate.edu 515.294.5978 # LENGTH OF SEASON FOR STATION NUMBER IATCID BASE TEMP=32.0 # LAST SPRING OCCURENCE FIRST FALL OCCURENCE YEAR MONTH DAY DOY MONTH DAY DOY LENGTH OF SEASON 1893 4 23 113 10 15 288 175 1894 4 2 92 10 9 282 190 1895 5 14 134 10 9 282 148 1896 4 4 95 9 20 264 169 1897 4 20 110 10 29 302 192 1898 4 7 97 10 14 287 190 1899 4 16 106 9 30 273 167 1900 4 12 102 11 8 312 210 1901 4 18 108 10 4 277 169 1902 4 15 105 10 14 287 182 1903 4 30 120 10 24 297 177 1904 4 22 113 10 23 297 184 1905 4 19 109 10 12 285 176 1906 5 7 127 10 10 283 156 1907 5 11 131 10 12 285 154 1908 5 3 124 9 29 273 149 1909 5 3 123 10 12 285 162 1910 4 25 115 10 28 301 186 1911 5 4 124 10 22 295 171 1912 4 4 95 10 23 297 202 1913 4 13 103 10 21 294 191 1914 4 20 110 10 27 300 190 1915 4 4 94 10 9 282 188 1916 4 10 101 10 10 284 183 1917 4 16 106 10 8 281 175 1918 4 26 116 11 1 305 189 1919 4 25 115 10 17 290 175 1920 4 14 105 10 29 303 198 1921 4 18 108 10 8 281 173 1922 4 1 91 10 17 290 199 1923 4 17 107 10 20 293 186 1924 5 20 141 9 30 274 133 1925 5 26 146 10 10 283 137 1926 4 26 116 9 26 269 153 1927 4 24 114 10 8 281 167 1928 5 12 133 9 25 269 136 1929 5 7 127 10 5 278 151 1930 4 26 116 10 17 290 174 1931 5 23 143 10 18 291 148 1932 5 2 123 10 6 280 157 1933 4 27 117 10 13 286 169 1934 4 27 117 10 28 301 184 1935 5 4 124 10 4 277 153 1936 4 23 114 10 2 276 162 1937 4 22 112 9 26 269 157 1938 4 22 112 10 24 297 185 1939 4 22 112 9 30 273 161 1940 4 21 112 11 6 311 199 1941 4 2 92 10 28 301 209 1942 4 20 110 9 27 270 160 1943 5 1 121 10 17 290 169 1944 4 19 110 10 12 286 176 1945 5 9 129 10 9 282 153 1946 4 27 117 11 4 308 191 1947 5 9 129 11 6 310 181 1948 4 14 105 10 17 291 186 1949 4 24 114 9 29 272 158 1950 5 1 121 10 4 277 156 1951 4 23 113 10 8 281 168 1952 4 16 107 10 3 277 170 1953 4 27 117 10 27 300 183 1954 5 7 127 10 18 291 164 1955 4 7 97 10 16 289 192 1956 4 30 121 11 7 312 191 1957 4 14 104 10 25 298 194 1958 4 29 119 10 1 274 155 1959 4 21 111 10 12 285 174 1960 4 30 121 10 19 293 172 1961 5 3 123 10 26 299 176 1962 4 16 106 10 23 296 190 1963 5 22 142 10 29 302 160 1964 4 15 106 10 9 283 177 1965 4 19 109 10 24 297 188 1966 5 10 130 10 6 279 149 1967 4 24 114 9 29 272 158 1968 4 25 116 10 4 278 162 1969 3 31 90 10 14 287 197 1970 4 10 100 10 16 289 189 1971 4 6 96 10 12 285 189 1972 4 9 100 10 15 289 189 1973 4 13 103 10 30 303 200 1974 4 24 114 9 22 265 151 1975 4 13 103 10 2 275 172 1976 5 3 124 10 6 280 156 1977 4 29 119 10 16 289 170 1978 5 2 122 10 8 281 159 1979 5 1 121 10 13 286 165 1980 4 16 107 10 5 279 172 1981 4 21 111 10 18 291 180 1982 4 21 111 10 21 294 183 1983 4 19 109 9 23 266 157 1984 4 1 92 9 26 270 178 1985 4 9 99 10 6 279 180 1986 4 22 112 10 14 287 175 1987 4 5 95 10 2 275 180 1988 4 24 115 10 5 279 164 1989 5 6 126 9 23 266 140 1990 4 18 108 10 11 284 176 1991 4 10 100 9 20 263 163 1992 4 12 103 10 16 290 187 1993 4 21 111 10 9 282 171 1994 5 1 121 10 31 304 183 1995 4 5 95 9 23 266 171 1996 4 30 121 10 19 293 172 1997 5 16 136 10 14 287 151 1998 4 17 107 10 22 295 188 1999 3 27 86 10 1 274 188 2000 4 12 103 10 6 280 177 2001 4 18 108 10 5 278 170 2002 4 26 116 10 7 280 164 2003 4 10 100 9 29 272 172 2004 5 3 124 10 2 276 152 2005 5 4 124 10 23 296 172 2006 5 6 126 10 11 284 158 2007 4 16 106 9 15 258 152 2008 4 29 120 10 27 301 181 2009 4 15 105 10 9 282 177 2010 4 9 99 10 28 301 202 2011 5 4 124 10 20 293 169 2012 4 21 112 9 23 267 155 2013 4 25 115 10 21 294 179 2014 4 18 108 10 29 302 194 2015 5 3 123 10 16 289 166 2016 4 12 103 10 13 287 184 2017 4 7 97 10 28 301 204 2018 4 29 119 10 11 284 165 2019 4 28 118 10 12 285 167 2020 5 9 130 10 2 276 146 2021 4 25 115 10 22 295 180 2022 4 26 116 10 7 280 164 2023 4 26 116 10 10 283 167 2024 4 22 113 10 15 289 176 MEAN 4 22 113 10 12 286 173Direct/Stable Link to Text View Data (as csv) Download as Excel
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IEM Daily Features using this plot
The IEM Daily Features found on this website often utilize plots found on this application. Here is a listing of features referencing this plot type.
- 15 Nov 2023: NCA5: Last Spring Freezes
- 05 Oct 2022: Our last 80?
- 09 Nov 2021: First and Last 65
- 04 Mar 2021: First and Last 60
- 07 Sep 2020: First Sub 55 High
- 19 Mar 2019: Awaiting First 60
- 04 Aug 2017: First Fall Sub 50
- 11 Nov 2016: First and Last 70
- 12 May 2016: First and Last Sub 40
- 09 Oct 2015: First and Last 80
- 07 Nov 2014: Last and First Frozen Day
- 23 Oct 2014: Last 70?
- 03 Oct 2014: First Sub-50 High
- 26 Sep 2014: 80 Degree Period
- 15 Nov 2012: Snow free period