Year,Value,Delaware (State),Temp,Jan,(°F)
1940,27.432
1941,34.738
1942,34.328
1943,35.434
1944,36.904
1945,30.715
1946,37.329
1947,41.525
1948,28.88
1949,42.396
1950,45.88
1951,38.797
1952,39.522
1953,40.715
1954,34.768
1955,33.534
1956,33.507
1957,32.584
1958,34.211
1959,33.652
1960,37.142
1961,29.413
1962,34.36
1963,31.282
1964,35.742
1965,32.296
1966,31.829
1967,38.936
1968,30.235
1969,32.831
1970,28.363
1971,31.857
1972,37.966
1973,37.064
1974,40.652
1975,39.486
1976,32.399
1977,25.046
1978,31.634
1979,35.149
1980,35.386
1981,28.499
1982,28.421
1983,37.06
1984,30.587
1985,30.313
1986,34.594
1987,33.586
1988,30.819
1989,38.687
1990,42.121
1991,37.286
1992,37.336
1993,39.342
1994,29.925
1995,39.932
1996,33.657
1997,35.288
1998,42.339
1999,38.659
2000,34.485
2001,34.95
2002,41.24
2003,30.883
2004,29.826
2005,35.019
2006,42.734
2007,41.263
2008,38.083
2009,31.568
2010,34.281
2011,32.076
2012,39.91
2013,38.065
2014,30.149
2015,33.286
2016,35.197
2017,40.285
2018,33.587
2019,36.151
2020,41.651
2021,37.51
2022,33.291
2023,44.332
2024,38.961
2025,31.48