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
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 0.00 0.00 77.00 358.71 c 679.14 a 847.00 769.00 253.00 162.00 4.50 0.00 3150.35
1950 0.00 0.00 0.00 8.50 197.00 499.00 578.00 521.00 343.00 170.00 3.50 f 0.00 2316.50
1951 0.00 0.00 0.00 a 44.50 315.00 373.00 615.50 512.00 222.50 120.50 0.00 0.00 2203.00
1952 0.00 0.00 0.00 a 137.50 200.50 531.00 657.50 551.50 356.00 24.00 8.04 b 0.00 2466.04
1953 0.00 b 0.00 a 2.00 16.00 261.95 a 564.83 a 629.00 648.50 327.00 246.00 16.50 0.00 a 2711.78
1954 0.00 0.00 0.00 a 61.55 a 165.00 582.00 672.00 565.50 305.36 b 65.00 7.24 a 0.00 2423.65
1955 0.00 0.00 3.21 b 134.50 383.88 a 476.38 a 791.00 721.27 a 344.50 120.50 0.00 0.00 2975.24
1956 0.00 0.00 0.00 1.00 251.50 645.50 539.50 578.00 231.50 210.50 11.79 b 0.00 2469.29
1957 0.00 0.00 0.00 137.00 211.00 447.50 750.50 562.00 257.00 73.00 0.00 0.00 a 2438.00
1958 0.00 0.00 0.00 52.50 b 291.50 357.50 546.50 574.00 318.00 161.00 2.00 0.00 a 2303.00
1959 0.00 0.00 0.00 b 43.50 327.05 a 559.50 652.00 700.00 343.00 5.50 0.00 0.00 2630.55
1960 0.00 0.00 b 0.00 95.50 238.50 426.50 649.00 637.00 350.00 112.00 0.00 0.00 2508.50
1961 0.00 0.00 4.00 13.00 192.00 516.00 598.00 642.50 322.50 129.00 0.00 0.00 2417.00
1962 0.00 0.00 0.00 92.00 341.50 466.50 546.00 559.00 233.50 165.50 0.00 9.00 2413.00
1963 0.00 0.00 24.00 88.00 229.50 581.50 690.00 577.00 388.00 294.50 0.50 0.00 2873.00
1964 0.00 0.00 0.00 93.00 338.33 b 554.00 777.50 536.50 309.00 108.00 28.00 0.00 2744.33
1965 0.00 0.00 0.00 26.50 349.00 505.00 616.00 538.50 133.50 122.45 a 5.00 0.00 2295.95
1966 0.00 0.00 14.50 13.00 184.97 a 542.50 757.00 515.63 a 293.00 78.00 0.00 0.00 2398.60
1967 0.00 0.00 10.00 38.50 182.00 483.00 564.00 504.50 301.00 101.50 0.00 0.00 2184.50
1968 0.00 0.00 44.50 102.93 a 171.00 523.00 612.50 600.50 287.00 135.50 1.00 0.00 2477.93
1969 0.00 0.00 0.00 a 56.50 328.00 318.00 639.50 650.00 325.00 83.00 6.50 0.00 2406.50
1970 0.00 0.00 0.00 81.00 290.50 575.00 684.50 634.50 312.00 92.00 0.00 0.00 2669.50
1971 0.00 0.00 2.00 67.50 192.00 626.50 546.50 540.50 336.00 118.50 0.00 0.00 2429.50
1972 0.00 0.00 0.00 14.50 348.50 456.50 551.50 573.00 251.50 47.50 0.00 0.00 2243.00
1973 0.00 0.00 6.00 48.00 159.50 527.50 607.50 624.50 244.00 162.50 2.00 0.00 2381.50
1974 0.00 0.00 0.00 72.50 173.50 431.00 744.50 471.20 a 215.50 84.00 4.00 0.00 2196.20
1975 0.00 0.00 0.00 2.00 312.50 484.00 702.00 565.00 195.00 135.50 23.00 0.00 2419.00
1976 0.00 0.00 0.00 96.50 230.50 538.00 658.50 525.50 233.00 73.50 0.00 0.00 2355.50
1977 0.00 0.00 a 7.00 198.50 500.50 522.50 730.00 447.00 292.00 29.50 8.00 0.00 2735.00
1978 0.00 b 0.00 a 10.00 20.00 338.42 a 494.50 592.00 582.00 466.00 101.50 25.00 0.00 2629.42
1979 0.00 0.00 0.00 46.00 203.00 495.50 631.00 516.50 333.50 39.50 0.00 0.00 c 2265.00
1980 0.00 0.00 0.00 103.00 327.00 494.50 704.00 548.00 295.00 50.52 d 0.00 0.00 2522.02
1981 0.00 0.00 a 17.00 66.50 193.00 450.00 606.00 513.50 232.00 19.78 b 2.00 0.00 2099.78
1982 0.00 0.00 0.00 26.00 332.50 328.00 666.00 539.00 245.50 40.00 0.00 z 4.50 2181.50
1983 0.00 0.00 1.00 23.50 158.50 512.50 789.00 741.50 342.93 a 54.00 9.00 0.00 2631.93
1984 0.00 0.00 0.00 25.50 176.50 510.50 586.00 645.00 234.50 115.00 0.00 0.00 2293.00
1985 0.00 0.00 1.50 171.50 398.00 422.50 644.50 465.50 333.00 20.00 0.00 b 0.00 2456.50
1986 0.00 0.00 27.00 71.50 282.00 569.50 678.50 458.00 254.00 67.00 0.00 0.00 2407.50
1987 0.00 0.00 7.00 139.50 378.50 617.00 711.50 469.00 284.50 30.00 8.00 0.00 2645.00
1988 0.00 0.00 0.00 41.50 430.00 647.50 709.50 617.50 253.97 a 26.50 0.00 0.00 2726.47
1989 0.00 0.00 7.50 40.00 181.00 383.50 607.50 453.00 223.50 155.00 0.00 0.00 2051.00
1990 0.00 0.00 9.00 126.00 190.00 564.00 612.00 578.00 388.00 67.00 29.00 0.00 2563.00
1991 0.00 0.00 0.50 116.50 379.50 640.00 643.00 577.00 284.50 69.00 0.00 0.00 2710.00
1992 0.00 0.00 0.00 40.50 331.50 430.00 425.00 417.50 287.00 99.50 0.00 0.00 2031.00
1993 0.00 0.00 0.00 33.50 223.50 413.00 594.50 581.50 167.50 73.00 0.00 0.00 2086.50
1994 0.00 0.00 0.00 67.50 362.00 548.50 555.50 460.50 393.50 111.00 3.00 0.00 2501.50
1995 0.00 0.00 3.00 0.50 197.50 565.00 660.50 732.00 291.00 88.00 0.00 0.00 2537.50
1996 0.00 0.00 0.00 18.50 174.50 533.00 567.50 581.00 309.50 106.50 0.00 0.00 2290.50
1997 0.00 0.00 1.50 29.00 129.00 556.00 613.50 547.50 374.00 151.00 0.00 0.00 a 2401.50
1998 0.00 0.00 11.00 78.50 418.00 436.00 643.50 628.00 464.50 75.00 0.00 1.50 2756.00
1999 0.00 0.00 11.50 42.00 292.00 480.50 741.00 528.00 284.50 79.50 22.50 0.00 2481.50
2000 0.00 0.00 27.50 48.00 261.50 449.48 a 608.50 529.50 292.50 b 105.50 1.55 a 0.00 2324.03
2001 0.00 0.00 0.00 75.00 256.50 498.62 a 730.00 635.50 276.50 67.68 a 48.00 0.00 2587.80
2002 0.00 0.00 0.00 91.50 183.50 578.00 755.00 568.00 384.50 43.50 0.00 0.00 2604.00
2003 0.00 0.00 z 11.50 93.50 178.00 474.00 627.00 0.00 z 320.00 136.00 0.00 z 0.00 1840.00
2004 0.00 0.00 15.50 102.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 118.00
2005 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
2006 0.00 z 0.00 z 0.00 z 0.00 z 296.00 416.50 h 565.00 i 572.50 156.00 g 74.50 g 6.50 m 0.00 h 868.50
2007 0.00 g 0.00 d 12.50 p 56.00 g 306.90 a 362.00 i 544.50 g 382.00 g 342.50 111.00 f 0.00 0.00 649.40
2008 0.00 i 0.00 a 0.00 28.00 166.50 457.50 635.50 548.00 328.00 65.50 33.50 0.00 2262.50
2009 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 512.00 418.00 4.50 4.50 0.00 939.00
2010 0.00 0.00 13.00 122.50 302.00 386.50 f 702.00 705.00 253.00 138.00 9.00 0.00 2244.50
2011 0.00 0.00 0.00 a 13.39 b 215.00 495.00 784.50 600.00 303.00 179.50 0.00 0.00 2590.39
2012 0.00 0.00 120.00 51.50 362.00 558.50 824.00 558.00 312.50 61.00 8.00 0.00 2855.50
2013 0.00 0.00 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 0.00 6.76 64.43 268.02 506.81 654.25 570.89 299.92 97.83 5.71 0.25 2480.88
S.D. 0.00 0.00 17.06 44.73 84.77 78.07 81.61 76.15 64.08 57.40 10.13 1.29 230.42
SKEW 0.00 0.00 5.14 0.74 0.42 -0.19 0.14 0.50 0.17 0.89 2.27 5.87 0.37
MAX 0.00 0.00 120.00 198.50 500.50 679.14 847.00 769.00 466.00 294.50 48.00 9.00 3150.35
MIN 0.00 0.00 0.00 0.50 129.00 318.00 425.00 417.50 133.50 4.50 0.00 0.00 2031.00
NO YRS 60 61 61 60 61 58 59 60 61 60 58 61 54