date! ,

Monthly Total Growing Degree Days

(a vali)

Base Temperature = 50 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201210
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
1894 0.00 0.00 19.00 92.40 e 180.00 620.56 c 721.78 a 622.00 446.50 39.00 q 0.00 h 0.00 d 2702.24
1895 0.00 0.00 0.00 60.00 e 336.83 e 563.00 603.98 a 609.50 486.43 b 10.00 h 15.00 a 0.00 e 2674.74
1896 0.00 b 0.00 b 0.00 179.00 404.00 601.50 771.00 711.50 205.56 c 44.50 8.57 b 0.00 2925.63
1897 0.00 0.00 a 0.00 21.21 a 157.67 b 399.64 b 694.50 469.81 b 565.71 b 191.00 3.10 a 0.00 2502.65
1898 0.00 0.00 0.00 d 30.56 c 220.50 506.90 a 392.50 i 550.00 436.50 103.50 7.50 0.00 1855.45
1899 0.00 l 0.00 b 0.00 180.00 264.50 520.18 b 643.00 663.83 b 258.75 b 0.00 z 1.61 b 0.00 b 2531.86
1900 0.00 d 0.00 a 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 400.50 283.50 17.07 a 0.00 z 701.07
1901 0.00 z 0.00 z 0.00 z 106.50 f 195.00 519.50 747.50 597.50 311.50 95.07 a 0.50 0.00 n 2466.57
1902 0.00 f 0.00 a 1.00 35.19 d 236.24 b 236.50 f 627.00 450.50 208.45 a 53.22 a 5.50 g 0.00 1611.60
1903 0.00 0.00 c 9.82 a 16.50 276.50 410.36 b 425.50 h 419.00 309.50 44.20 d 17.50 0.00 c 1503.38
1904 0.00 0.00 a 0.00 c 30.50 228.00 435.52 a 576.27 c 497.50 327.50 90.00 17.50 0.00 2202.79
1905 0.00 a 0.00 23.50 40.18 b 151.90 a 430.00 568.50 591.00 405.50 142.00 0.00 0.00 a 2352.58
1906 0.00 a 0.00 a 0.00 a 41.25 b 225.00 457.00 576.17 b 664.50 470.50 103.00 4.00 0.00 a 2541.42
1907 0.00 0.00 3.62 a 2.00 86.00 432.00 589.50 516.00 309.83 a 60.00 0.00 0.00 1998.94
1908 0.00 a 0.00 j 0.00 47.50 282.10 a 447.00 650.00 574.57 b 524.00 156.55 a 4.50 0.00 f 2686.22
1909 0.00 0.00 0.00 a 0.00 181.50 470.00 601.92 a 627.00 258.33 c 60.34 c 19.00 n 0.00 b 2199.09
1910 0.00 c 0.00 a 89.38 a 24.00 s 88.50 f 229.50 n 696.50 125.50 x 261.96 b 75.50 w 0.00 z 0.00 z 1047.85
1911 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
1912 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
1913 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
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
1937 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
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 369.50 88.87 a 28.45 a 0.00 486.81
1945 0.00 0.00 54.50 88.33 c 132.27 a 361.50 558.53 b 626.00 354.00 75.00 10.86 a 0.00 2261.00
1946 0.00 0.00 26.00 81.50 136.00 429.00 630.16 b 537.00 330.50 170.50 a 0.50 2.50 2343.66
1947 0.00 0.00 a 0.00 a 18.50 97.00 378.50 613.00 814.00 441.00 278.50 f 0.00 z 0.00 a 2362.00
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 491.79 b 680.00 658.00 480.00 87.00 38.00 0.00 2434.79
1949 0.00 0.00 0.00 64.00 275.00 599.50 721.50 654.00 265.00 196.50 4.50 0.00 2780.00
1950 0.00 0.00 0.00 5.00 206.50 509.00 543.50 424.50 303.50 175.50 14.50 0.00 2182.00
1951 0.00 0.00 0.00 35.50 321.00 379.50 614.00 497.50 272.00 126.00 0.00 0.00 2245.50
1952 0.00 0.00 1.50 140.50 213.00 547.50 711.45 a 564.50 382.00 43.50 4.00 0.00 2607.95
1953 0.00 a 0.00 a 1.00 20.00 241.50 537.50 662.00 641.18 a 379.00 225.50 49.00 0.00 2756.68
1954 0.00 0.00 0.00 85.00 147.00 538.50 465.50 g 536.00 369.50 117.00 4.50 0.00 1797.50
1955 0.00 0.00 0.00 108.00 310.50 472.50 795.50 756.00 394.50 151.50 0.00 0.00 2988.50
1956 0.00 0.00 0.00 5.00 210.50 556.50 544.50 590.00 264.00 211.00 38.00 0.00 2419.50
1957 0.00 a 0.00 0.00 137.50 199.00 488.00 666.50 593.50 313.50 51.50 0.00 0.00 2449.50
1958 0.00 0.00 0.00 63.00 246.00 366.50 600.50 630.00 353.00 137.29 c 16.50 0.00 2412.79
1959 0.00 0.00 0.00 44.00 396.28 a 527.50 616.50 752.50 423.10 a 51.50 0.00 0.00 2811.39
1960 0.00 0.00 0.00 114.00 237.00 415.00 574.50 632.50 416.38 a 106.00 3.50 0.50 2499.38
1961 0.00 0.00 6.00 15.50 187.00 491.50 644.50 618.50 454.50 155.50 8.00 0.00 2581.00
1962 0.00 0.00 0.00 83.00 388.00 470.00 551.50 610.50 276.50 186.50 0.00 1.50 2567.50
1963 0.00 0.00 12.00 81.00 191.50 558.00 679.00 544.50 322.50 315.00 5.50 0.00 2709.00
1964 0.00 0.00 0.00 81.50 360.50 515.50 726.50 537.50 318.00 77.50 50.00 0.00 2667.00
1965 0.00 0.00 0.00 19.00 365.50 427.00 584.00 558.50 304.50 119.50 13.00 0.00 2391.00
1966 0.00 0.00 9.00 20.50 171.00 547.50 726.00 546.50 300.00 102.00 5.00 0.00 2427.50
1967 0.00 0.00 22.50 39.50 111.50 507.00 598.00 507.00 339.00 122.00 2.50 0.00 2249.00
1968 0.00 0.00 34.00 42.00 146.50 496.50 639.50 618.50 397.00 180.00 6.00 0.00 2560.00
1969 0.00 a 0.00 0.00 0.00 z 259.50 295.00 616.00 710.50 336.00 117.00 0.00 0.00 2334.00
1970 0.00 0.00 0.00 114.50 286.00 543.50 735.50 663.00 394.00 114.50 0.00 0.00 2851.00
1971 0.00 0.00 0.00 49.00 149.00 602.50 586.00 531.00 442.50 252.00 6.00 0.00 2618.00
1972 0.00 0.00 0.00 22.50 330.50 424.00 212.00 t 590.00 294.00 71.00 0.00 0.00 1732.00
1973 0.00 0.00 2.50 42.00 119.50 533.50 672.00 673.00 345.50 219.50 0.00 0.00 2607.50
1974 0.00 0.00 1.50 90.00 166.50 413.50 707.00 584.00 244.50 116.00 15.50 0.00 2338.50
1975 0.00 0.00 0.00 8.00 368.00 512.50 718.50 636.00 238.00 162.00 62.50 0.00 2705.50
1976 0.00 0.00 13.00 87.50 164.50 590.00 700.00 577.00 321.00 91.50 0.00 0.00 2544.50
1977 0.00 0.00 5.00 177.00 473.50 436.00 719.00 506.50 351.00 30.00 27.50 0.00 2725.50
1978 0.00 0.00 0.00 20.50 285.00 488.00 561.00 610.50 422.07 a 71.50 19.50 0.00 2478.07
1979 0.00 0.00 0.00 40.00 173.00 447.00 632.50 525.00 401.50 76.00 4.50 0.00 2299.50
1980 0.00 0.00 0.00 78.00 322.50 432.00 682.00 638.00 337.50 58.00 1.00 0.00 2549.00
1981 0.00 0.00 k 0.00 z 39.00 f 208.00 522.50 625.88 b 0.00 z 151.00 s 21.50 k 2.50 0.00 1358.88
1982 0.00 0.00 0.00 23.50 169.50 q 0.00 z 0.00 z 82.50 x 276.00 119.50 4.00 8.50 431.50
1983 0.00 0.00 3.50 37.00 82.00 514.50 773.50 691.50 368.50 101.50 2.00 0.00 2574.00
1984 0.00 0.00 0.00 35.50 165.50 531.00 592.00 652.00 300.00 107.00 4.50 0.00 2387.50
1985 0.00 0.00 1.00 175.50 301.50 407.50 623.50 509.50 401.00 57.00 1.50 0.00 2478.00
1986 0.00 0.00 42.00 113.50 312.50 466.50 705.50 517.00 356.50 87.50 1.50 0.00 2602.50
1987 0.00 0.00 12.00 88.93 b 369.00 638.50 739.00 605.00 392.50 37.50 31.50 0.00 2913.93
1988 0.00 0.00 0.00 28.50 352.50 645.00 a 757.50 765.18 a 379.50 55.00 1.50 0.00 2984.68
1989 0.00 0.00 0.00 a 28.50 219.00 436.50 621.00 568.50 290.50 133.00 0.00 0.00 2297.00
1990 0.00 0.00 25.00 138.50 127.50 481.50 511.50 533.50 371.50 52.00 11.50 0.00 2252.50
1991 0.00 0.00 9.50 95.00 428.50 572.00 643.00 619.00 304.50 66.00 1.50 0.00 2739.00
1992 0.00 0.00 0.00 18.00 237.00 385.00 456.00 448.00 250.50 65.50 0.00 0.00 1860.00
1993 0.00 0.00 0.00 12.00 200.00 377.00 606.00 636.50 190.00 47.00 0.00 0.00 2068.50
1994 0.00 0.00 0.00 56.00 221.50 531.00 580.50 492.50 407.50 86.50 2.50 0.00 2378.00
1995 0.00 0.00 20.50 0.00 162.50 609.50 698.50 735.00 256.00 118.00 0.00 0.00 2600.00
1996 0.00 0.00 0.00 27.50 120.00 461.00 547.00 591.00 327.00 93.00 0.00 0.00 2166.50
1997 0.00 0.00 4.00 39.00 49.00 493.00 586.00 446.50 330.50 142.50 5.50 0.00 2096.00
1998 0.00 0.00 33.00 39.50 354.50 497.00 679.50 650.00 464.00 97.50 11.50 5.00 2831.50
1999 0.00 0.00 2.50 49.00 296.00 535.50 759.00 530.50 312.00 66.00 29.00 0.00 2579.50
2000 0.00 0.00 19.50 17.50 280.03 a 486.00 582.00 574.50 321.50 165.00 20.00 0.00 a 2466.03
2001 0.00 0.00 0.00 90.00 276.00 487.50 673.50 685.00 272.50 78.00 21.50 0.00 2584.00
2002 0.00 0.00 0.00 94.50 129.50 519.50 745.00 613.00 446.50 70.00 6.50 0.00 2624.50
2003 0.00 0.00 11.50 49.50 154.00 408.00 611.50 659.00 337.00 96.50 0.00 0.00 2327.00
2004 0.00 0.00 z 12.50 62.50 159.50 407.00 560.00 447.00 465.50 92.50 4.00 0.00 2210.50
2005 0.00 0.00 9.50 65.00 179.50 644.00 680.50 648.50 470.00 155.50 5.00 0.00 2857.50
2006 0.00 0.00 4.50 88.50 251.00 467.00 728.50 621.00 272.00 57.50 11.50 0.00 2501.50
2007 0.00 0.00 33.50 68.50 321.50 564.50 642.00 639.00 421.00 231.50 0.00 0.00 2921.50
2008 0.00 0.00 0.00 60.50 126.00 493.50 645.00 560.50 360.50 69.00 35.00 0.00 2350.00
2009 0.00 0.00 2.00 39.00 227.50 452.50 526.00 537.00 375.00 11.00 1.00 0.00 2171.00
2010 0.00 0.00 0.50 85.00 321.50 494.00 705.50 671.00 267.50 104.50 2.50 0.00 2652.00
2011 0.00 0.00 0.00 13.50 176.00 431.00 748.50 631.00 268.00 125.50 0.00 0.00 2393.50
2012 0.00 0.00 135.00 28.50 342.50 581.00 805.00 596.50 296.50 36.00 h 0.00 z 0.00 z 2785.00
Period of Record Statistics
MEAN 0.00 0.00 8.84 59.05 234.13 489.90 648.56 594.22 349.28 112.23 9.41 0.22 2504.75
S.D. 0.00 0.00 20.23 44.33 90.96 72.54 73.45 81.20 76.64 60.13 13.15 1.13 247.11
SKEW 0.00 0.00 4.09 1.03 0.36 0.03 0.00 0.06 0.34 1.09 1.98 6.02 -0.12
MAX 0.00 0.00 135.00 180.00 473.50 645.00 805.00 814.00 565.71 315.00 62.50 8.50 2988.50
MIN 0.00 0.00 0.00 0.00 49.00 295.00 456.00 419.00 190.00 11.00 0.00 0.00 1860.00
NO YRS 81 80 81 79 81 81 79 81 85 79 80 81 65