date! ,

Monthly Total Growing Degree Days

(a vali)

Base Temperature = 50 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201304
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
Months with 5 missing days or less use mean for missing day(s)
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1938 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1939 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1940 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1941 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1942 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1943 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1944 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1945 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1946 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1947 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1949 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1950 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1951 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1952 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1953 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1954 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1955 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1956 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1957 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1958 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1959 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1960 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1961 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1962 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 373.50 f 544.00 564.50 208.00 158.50 0.00 4.50 1479.50
1963 0.00 0.00 19.00 86.40 e 207.00 570.00 b 649.00 528.50 362.50 269.00 1.00 0.00 2692.40
1964 0.00 0.00 0.00 76.50 370.00 538.50 98.00 z 363.00 f 293.50 79.50 44.00 0.00 q 1402.00
1965 0.00 0.00 g 0.00 13.50 339.50 448.39 b 553.00 0.00 z 162.50 93.50 6.50 0.00 1616.89
1966 0.00 0.00 11.00 7.50 158.00 511.50 754.50 548.00 298.00 94.50 0.00 b 0.00 2383.00
1967 0.00 0.00 25.00 59.50 162.00 529.14 a 571.50 487.22 a 296.50 104.37 a 0.00 0.00 c 2235.22
1968 0.00 0.00 33.07 a 76.11 c 151.00 502.50 622.50 594.50 331.50 162.50 3.00 0.00 2476.68
1969 0.00 0.00 0.00 66.00 317.00 340.00 677.00 664.00 365.50 91.00 0.00 0.00 2520.50
1970 0.00 a 0.00 0.00 102.50 342.50 598.50 685.00 588.00 324.50 93.00 0.00 0.00 2734.00
1971 0.00 0.00 1.00 78.50 132.50 654.00 513.50 528.50 361.50 173.50 3.00 0.00 2446.00
1972 0.00 0.00 0.00 14.50 319.50 404.00 502.50 534.50 233.00 54.50 0.00 0.00 2062.50
1973 0.00 0.00 1.00 48.50 134.50 447.50 620.50 540.50 244.50 200.00 0.00 z 0.00 2237.00
1974 0.00 0.00 0.50 80.00 161.50 416.50 758.50 547.50 216.72 a 94.00 8.50 0.00 2283.72
1975 0.00 0.00 0.00 6.50 307.50 503.00 722.00 686.50 213.00 198.06 d 35.40 e 0.00 2671.96
1976 0.00 0.00 13.50 92.78 c 204.50 616.50 750.50 631.50 318.00 87.00 0.00 0.00 a 2714.28
1977 0.00 t 0.00 i 21.50 207.50 518.00 531.21 a 739.50 570.73 c 416.50 34.00 18.75 b 0.00 b 3057.69
1978 0.00 z 0.00 c 9.00 41.00 360.00 553.50 675.50 666.00 500.00 82.00 15.00 0.00 c 2902.00
1979 0.00 0.00 0.00 61.00 240.00 534.00 709.50 603.00 0.00 z 86.50 5.50 0.00 2239.50
1980 0.00 c 0.00 0.00 128.50 396.28 a 578.00 778.00 649.00 392.00 63.00 1.50 0.00 2986.28
1981 0.00 5.50 31.50 138.50 274.00 581.11 c 634.50 f 693.50 358.97 a 63.00 10.00 0.00 2156.08
1982 0.00 0.00 0.00 45.50 397.50 374.50 728.00 592.00 305.50 0.00 z 0.00 z 4.00 2447.00
1983 0.00 0.00 a 6.00 20.50 118.00 512.50 810.50 767.00 355.34 a 73.00 15.00 0.00 2677.84
1984 0.00 0.00 0.00 28.00 158.00 547.00 571.50 643.50 312.00 155.00 b 0.00 0.00 2415.00
1985 0.00 0.00 4.00 202.50 403.50 424.50 660.00 517.50 381.00 63.50 0.00 0.00 d 2656.50
1986 0.00 f 0.00 a 25.00 150.50 318.55 b 588.00 710.00 480.00 317.00 70.00 0.00 0.00 2659.05
1987 0.00 0.00 17.50 152.50 380.50 591.00 752.50 550.00 339.50 37.50 16.00 0.00 2837.00
1988 0.00 0.00 0.00 49.50 385.00 609.50 734.00 730.50 317.50 29.50 0.00 0.00 2855.50
1989 0.00 0.00 9.00 66.00 236.00 454.50 698.50 571.00 289.50 132.00 0.00 0.00 2456.50
1990 0.00 0.00 3.50 119.00 170.00 513.50 601.50 594.00 397.50 59.00 30.50 0.00 2488.50
1991 0.00 0.00 11.00 136.00 434.50 748.00 675.00 677.50 337.00 102.50 0.00 0.00 3121.50
1992 0.00 0.00 0.00 35.00 329.00 466.50 506.50 513.50 317.50 120.00 0.00 0.00 2288.00
1993 0.00 0.00 0.00 40.00 257.00 458.00 660.50 666.50 178.50 90.00 0.00 0.00 2350.50
1994 0.00 0.00 2.00 95.00 336.00 595.50 581.50 527.50 405.00 128.00 1.50 0.00 2672.00
1995 0.00 0.00 13.50 4.00 160.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 178.00
1996 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 479.50 554.50 558.50 312.50 98.50 0.00 a 0.00 2003.50
1997 0.00 0.00 0.00 30.00 76.50 528.50 608.50 518.00 340.50 143.00 0.00 0.00 2245.00
1998 0.00 0.00 15.00 66.50 395.00 431.00 675.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1582.50
1999 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 13.50 z 21.00 0.00 21.00
2000 0.00 1.00 14.00 31.00 258.50 419.00 613.50 585.50 285.50 125.50 16.00 0.00 2349.50
2001 0.00 0.00 a 0.00 4.00 k 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2002 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 401.00 56.00 0.00 0.00 457.00
2003 0.00 0.00 11.00 76.00 188.00 461.50 634.00 657.50 334.50 95.50 0.00 0.00 2458.00
2004 0.00 0.00 8.00 73.00 191.00 419.50 599.50 420.50 422.50 70.50 2.50 0.00 2207.00
2005 0.00 a 0.00 12.00 94.50 203.00 663.50 710.00 584.50 410.00 139.00 2.50 0.00 2819.00
2006 0.00 0.00 a 0.50 112.50 270.50 517.00 767.00 616.00 242.50 69.00 8.50 0.00 2603.50
2007 0.00 0.00 28.50 86.50 373.00 573.50 676.00 614.00 383.50 183.00 0.00 0.00 a 2918.00
2008 0.00 0.00 0.00 25.50 52.50 366.00 615.00 525.50 345.00 66.00 32.00 0.00 2027.50
2009 0.00 0.00 0.00 a 43.50 220.10 a 440.00 462.00 484.00 365.50 7.50 3.00 0.00 2025.60
2010 0.00 0.00 9.00 103.50 292.50 508.50 734.50 727.00 260.50 117.50 10.00 0.00 2763.00
2011 0.00 0.00 0.00 25.00 239.50 511.61 b 798.25 a 615.72 b 290.00 141.00 0.00 b 0.00 2621.08
2012 0.00 c 0.00 149.32 a 53.79 a 363.73 a 565.86 a 834.00 572.00 255.56 c 53.50 7.78 c 0.00 a 2855.54
2013 0.00 0.00 b 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.00 0.14 10.52 72.84 267.46 513.60 662.18 589.44 321.71 102.32 6.92 0.18 2540.52
S.D. 0.00 0.82 22.57 48.62 105.94 83.98 89.67 74.30 69.44 51.34 10.77 0.87 275.55
SKEW 0.00 6.27 5.02 0.87 0.05 0.24 -0.24 0.28 -0.15 0.91 1.84 4.56 -0.06
MAX 0.00 5.50 149.32 207.50 518.00 748.00 834.00 767.00 500.00 269.00 44.00 4.50 3121.50
MIN 0.00 0.00 0.00 4.00 52.50 340.00 462.00 420.50 162.50 7.50 0.00 0.00 2025.60
NO YRS 45 46 48 46 46 46 45 44 46 46 46 47 35