Year,Value,Iowa (State),Precip,Jul,(in.)
1940,3.657
1941,1.466
1942,3.403
1943,2.759
1944,1.698
1945,2.199
1946,1.382
1947,1.025
1948,3.561
1949,4.022
1950,5.569
1951,5.06
1952,3.465
1953,3.072
1954,1.542
1955,2.279
1956,4.519
1957,3.489
1958,6.993
1959,2.447
1960,3.066
1961,5.885
1962,6.207
1963,4.033
1964,2.828
1965,3.223
1966,1.765
1967,1.716
1968,3.448
1969,5.628
1970,1.79
1971,2.982
1972,5.556
1973,4.972
1974,1.288
1975,1.043
1976,2.897
1977,2.979
1978,6.993
1979,2.829
1980,2.746
1981,5.05
1982,4.976
1983,2.567
1984,3.451
1985,3.724
1986,5.858
1987,3.711
1988,2.937
1989,4.004
1990,5.573
1991,2.977
1992,8.15
1993,11.53
1994,4.289
1995,3.369
1996,3.389
1997,3.755
1998,2.809
1999,3.916
2000,3.456
2001,4.232
2002,3.525
2003,4.036
2004,3.984
2005,2.376
2006,2.323
2007,2.294
2008,3.854
2009,3.655
2010,7.807
2011,2.849
2012,0.749
2013,1.016
2014,2.026
2015,4.654
2016,3.512
2017,2.522
2018,2.909
2019,2.904
2020,3.637
2021,4.075
2022,2.569
2023,2.481
2024,4.778
2025,7.597