Year,Value,ValueRank 1940,3.657,34 1941,1.466,80 1942,3.403,45 1943,2.759,62 1944,1.698,78 1945,2.199,73 1946,1.382,81 1947,1.025,84 1948,3.561,37 1949,4.022,26 1950,5.569,12 1951,5.06,14 1952,3.465,41 1953,3.072,49 1954,1.542,79 1955,2.279,72 1956,4.519,20 1957,3.489,40 1958,6.993,6 1959,2.447,68 1960,3.066,50 1961,5.885,8 1962,6.207,7 1963,4.033,25 1964,2.828,60 1965,3.223,48 1966,1.765,76 1967,1.716,77 1968,3.448,44 1969,5.628,10 1970,1.79,75 1971,2.982,51 1972,5.556,13 1973,4.972,17 1974,1.288,82 1975,1.043,83 1976,2.897,57 1977,2.979,52 1978,6.993,5 1979,2.829,59 1980,2.746,63 1981,5.05,15 1982,4.976,16 1983,2.567,65 1984,3.451,43 1985,3.724,32 1986,5.858,9 1987,3.711,33 1988,2.937,54 1989,4.004,27 1990,5.573,11 1991,2.977,53 1992,8.15,2 1993,11.53,1 1994,4.289,21 1995,3.369,47 1996,3.389,46 1997,3.755,31 1998,2.809,61 1999,3.916,29 2000,3.456,42 2001,4.232,22 2002,3.525,38 2003,4.036,24 2004,3.984,28 2005,2.376,69 2006,2.323,70 2007,2.294,71 2008,3.854,30 2009,3.655,35 2010,7.807,3 2011,2.849,58 2012,0.749,86 2013,1.016,85 2014,2.026,74 2015,4.654,19 2016,3.512,39 2017,2.522,66 2018,2.909,55 2019,2.904,56 2020,3.637,36 2021,4.075,23 2022,2.569,64 2023,2.481,67 2024,4.778,18 2025,7.597,4 Variable: Precipitation Domain: Iowa (State) Month(s): Jul Average of all values: 3.643 Normal Period: 1991 to 2020 Normal Value = 3.75 Inches Trend Begin Value = 3.23 Inches Trend End Value = 3.669 Inches Total Trend (Change) = 0.438 Inches Total Trend (Change) per Decade = 0.051 Inches Trend Statistical Sig. (M-K Test): No trend Trend P-value (M-K Test): 0.4248