| APRIL | Today's | Today's | Average | Average | Record | Record | Avg. Year-to-date | Year | Departure | Today's | Record | YTD | |||
| Date | High | Low | High | Low | High | Year | Low | Year | Precipitation | to date | From Avg. | Precip. | Precip. | Year | 3.14 |
| 1 | 86 | 56 | 60 | 37 | 87 | 1946 | 20 | 1899 | 7.56 | 3.14 | -4.42 | 1.81 | 1927 | ||
| 2 | 83 | 59 | 60 | 38 | 85 | 1940 | 16 | 2010 | 7.68 | 3.14 | -4.54 | 1.02 | 1983 | ||
| 3 | 88 | 58 | 60 | 38 | 85 | 1946 | 15 | 2010 | 7.81 | 3.14 | -4.67 | 1.58 | 1968 | ||
| 4 | 72 | 51 | 61 | 38 | 86 | 1929 | 20 | 1975 | 7.94 | 3.14 | -4.80 | 1.19 | 1998 | ||
| 5 | 63 | 33 | 61 | 38 | 85 | 1988 | 15 | 1920 | 8.06 | 3.14 | -4.92 | 1.73 | 1928 | ||
| 6 | 67 | 36 | 62 | 39 | 85 | 1967 | 18 | 1982 | 9.19 | 3.14 | -6.05 | 2.54 | 2006 | ||
| 7 | 65 | 42 | 62 | 39 | 83 | 1948 | 15 | 1982 | 8.32 | 3.14 | -5.18 | 2.35 | 1914 | ||
| 8 | 67 | 44 | 62 | 39 | 85 | 2001 | 18 | 1972 | 8.45 | 3.14 | -5.31 | 2.24 | 1929 | ||
| 9 | 69 | 49 | 63 | 40 | 85 | 2001 | 18 | 1997 | 8.57 | 3.14 | -5.43 | 0.76 | 1927 | ||
| 10 | 58 | 37 | 63 | 40 | 88 | 1930 | 19 | 1960 | 8.70 | 3.14 | -5.56 | 2.10 | 1903 | ||
| 11 | 59 | 27 | 64 | 40 | 93 | 1930 | 23 | 1973 | 8.83 | 3.14 | -5.69 | 3.23 | 1944 | ||
| 12 | 64 | 29 | 64 | 41 | 91 | 1930 | 21 | 1957 | 8.95 | 3.14 | -5.81 | 3.58 | 1979 | ||
| 13 | 58 | 46 | 64 | 41 | 89 | 1930 | 21 | 1950 | 9.08 | 3.18 | -5.90 | 0.04 | 1.07 | 1945 | |
| 14 | 67 | 53 | 65 | 41 | 88 | 1941 | 23 | 1950 | 9.21 | 3.69 | -5.52 | 0.51 | 1.83 | 1993 | |
| 15 | 76 | 65 | 65 | 42 | 85 | 1977 | 24 | 1928 | 9.33 | 4.56 | -4.77 | 0.87 | 1.69 | 1939 | |
| 16 | 64 | 53 | 66 | 42 | 89 | 1977 | 26 | 1904 | 9.46 | 4.72 | -4.74 | 0.16 | 1.32 | 1930 | |
| 17 | 68 | 42 | 66 | 42 | 91 | 1937 | 24 | 1904 | 9.59 | 4.72 | -4.87 | 1.23 | 1922 | ||
| 18 | 72 | 41 | 66 | 43 | 87 | 1977 | 27 | 1983 | 9.72 | 4.72 | -5.00 | 1.52 | 1912 | ||
| 19 | 77 | 57 | 67 | 43 | 86 | 2002 | 21 | 1983 | 9.84 | 4.72 | -5.12 | 2.55 | 1970 | ||
| 20 | 65 | 43 | 67 | 43 | 88 | 1936 | 25 | 1897 | 9.97 | 4.78 | -5.19 | 0.06 | 2.54 | 1972 | |
| 21 | 58 | 36 | 67 | 44 | 89 | 1987 | 27 | 1901 | 10.10 | 4.78 | -5.32 | 1.74 | 1973 | ||
| 22 | 59 | 44 | 68 | 44 | 90 | 1925 | 25 | 1936 | 10.22 | 4.78 | -5.44 | 1.76 | 1944 | ||
| 23 | 64 | 35 | 68 | 44 | 92 | 1925 | 24 | 1956 | 10.35 | 4.78 | -5.57 | 1.69 | 1966 | ||
| 24 | 69 | 45 | 69 | 45 | 90 | 1925 | 23 | 1910 | 10.48 | 4.78 | -5.70 | 1.38 | 1908 | ||
| 25 | 78 | 49 | 69 | 45 | 88 | 1924 | 25 | 1910 | 10.61 | 4.78 | -5.83 | 2.33 | 1961 | ||
| 26 | 74 | 54 | 69 | 45 | 88 | 1925 | 28 | 1919 | 10.73 | 4.78 | -5.95 | 1.50 | 1924 | ||
| 27 | 64 | 41 | 70 | 45 | 87 | 1896 | 29 | 1928 | 10.86 | 4.78 | -6.08 | 1.71 | 2002 | ||
| 28 | 61 | 53 | 70 | 46 | 90 | 1894 | 27 | 1928 | 10.99 | 5.07 | -5.92 | 0.29 | 0.92 | 1983 | |
| 29 | 60 | 47 | 70 | 46 | 94 | 1894 | 30 | 1988 | 11.11 | 5.30 | -5.81 | 0.23 | 2.47 | 1996 | |
| 30 | 70 | 59 | 71 | 46 | 98 | 1895 | 31 | 1908 | 11.24 | 6.19 | -5.05 | 0.89 | 1.64 | 1940 | |