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
1893 0.00 0.00 0.00 0.00 76.50 533.28 a 597.00 428.83 a 261.72 a 55.50 r 0.00 n 0.00 1897.33
1894 0.00 0.00 g 1.00 74.50 119.00 552.00 632.50 470.50 309.00 31.50 0.00 0.00 2190.00
1895 0.00 e 0.00 z 0.00 0.00 z 289.50 500.50 477.50 465.50 384.50 9.00 8.04 b 0.00 2134.54
1896 0.00 0.00 0.00 117.00 348.50 472.50 563.00 550.50 154.50 23.25 a 0.00 g 0.00 2229.25
1897 0.00 0.00 0.00 42.93 a 114.00 301.67 c 671.15 a 395.00 392.50 103.00 0.00 0.00 2020.25
1898 0.00 0.00 0.00 14.00 177.50 460.00 614.83 a 480.00 343.00 70.00 3.50 0.00 2162.83
1899 0.00 0.00 0.00 108.50 179.50 436.50 559.50 591.50 205.50 113.00 3.00 0.00 2197.00
1900 0.00 0.00 a 0.00 84.00 259.00 440.00 568.33 a 755.00 367.00 210.50 0.00 0.00 2683.83
1901 0.00 0.00 0.00 87.50 198.00 516.00 713.50 546.00 251.50 94.55 a 0.00 z 0.00 z 2407.05
1902 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1903 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1904 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1905 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1906 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1907 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1908 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1909 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1910 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 2.07 a 52.00 130.50 470.50 545.50 516.00 360.50 13.50 0.00 0.00 2090.57
1926 0.00 0.00 0.00 39.00 207.50 300.00 573.00 512.00 221.50 53.73 a 0.00 0.00 a 1906.73
1927 0.00 0.00 3.00 30.50 87.00 334.00 524.50 360.00 359.00 73.00 0.00 0.00 1771.00
1928 0.00 0.00 0.00 18.50 220.50 285.00 580.50 547.00 198.50 99.00 1.55 a 0.00 1950.55
1929 0.00 0.00 0.00 41.50 154.50 362.00 578.00 457.00 279.50 40.50 0.00 0.00 1913.00
1930 0.00 a 0.00 0.00 44.50 224.00 479.48 a 628.00 577.50 374.00 111.50 9.31 a 0.00 2448.29
1931 0.00 0.00 a 0.00 62.00 157.58 a 547.00 716.00 510.00 461.50 129.50 21.00 0.00 2604.58
1932 0.00 0.00 0.00 19.00 184.50 530.50 641.00 572.50 254.00 49.60 a 0.00 0.00 2251.10
1933 0.00 0.00 0.00 18.00 263.50 662.00 686.00 507.50 438.00 51.31 b 14.00 0.00 2640.31
1934 0.00 0.00 0.00 28.50 348.75 a 560.00 629.00 468.00 282.00 97.50 5.00 0.00 2418.75
1935 0.00 a 0.00 0.00 45.50 141.00 0.00 z 779.50 579.00 285.50 73.37 a 0.00 0.00 1903.87
1936 0.00 0.00 0.00 15.52 a 364.50 390.00 752.00 595.00 385.50 57.50 0.00 0.00 2560.02
1937 0.00 0.00 0.00 o 19.50 228.50 473.00 730.00 744.00 347.50 51.50 0.00 0.00 2594.00
1938 0.00 0.00 22.00 97.00 213.50 446.00 617.50 656.50 274.00 153.00 29.50 0.00 2509.00
1939 0.00 0.00 b 0.00 68.50 431.50 624.00 735.50 596.00 399.00 96.00 0.00 0.00 2950.50
1940 0.00 0.00 0.00 28.00 167.50 436.50 657.00 0.00 z 340.00 90.50 0.00 d 0.00 1719.50
1941 0.00 a 0.00 0.00 121.00 346.00 551.50 714.00 586.50 391.00 76.98 a 10.00 0.00 2796.98
1942 0.00 0.00 0.00 a 175.50 235.00 495.50 635.50 609.31 b 339.00 124.50 6.00 0.00 a 2620.31
1943 0.00 0.00 a 9.82 a 25.50 213.50 621.72 a 730.50 650.00 184.50 93.50 0.00 0.00 2529.04
1944 0.00 0.00 0.00 3.50 370.50 589.50 624.00 657.00 324.50 32.00 q 1.50 y 0.00 k 2569.00
1945 0.00 0.00 41.50 65.50 132.27 a 392.50 598.00 625.50 236.00 i 52.50 5.50 0.00 1913.27
1946 0.00 0.00 24.50 69.00 185.50 472.24 a 584.19 b 429.87 a 255.54 b 146.98 b 0.00 0.00 2167.82
1947 0.00 0.00 0.00 13.97 a 117.00 362.31 d 700.50 769.50 371.38 a 178.25 a 0.50 0.00 2513.40
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 435.50 598.00 548.00 332.00 29.50 6.00 0.00 1949.00
1949 0.00 d 0.00 0.00 51.96 b 257.00 640.50 751.00 644.00 231.00 190.50 0.50 0.00 2766.46
1950 0.00 0.00 0.00 4.00 245.50 512.00 568.50 464.00 293.50 149.50 7.00 0.00 2244.00
1951 0.00 0.00 0.00 36.00 387.00 403.00 620.00 491.00 237.50 95.07 a 0.00 a 0.00 2269.57
1952 0.00 0.00 0.00 145.00 205.50 567.41 a 696.00 550.00 315.00 20.15 a 0.50 0.00 2499.56
1953 0.00 0.00 0.00 20.50 261.00 562.50 683.50 637.50 344.00 181.50 18.50 0.00 2709.00
1954 0.00 0.00 a 0.00 53.00 155.52 a 564.50 676.32 a 532.00 292.50 81.50 2.59 a 0.00 2357.92
1955 0.00 0.00 0.00 a 100.50 328.00 515.00 833.79 b 763.50 367.50 106.00 0.00 0.00 3014.29
1956 0.00 0.00 0.00 0.00 202.50 561.21 a 555.00 546.08 e 248.00 189.50 37.24 a 0.00 a 2339.53
1957 0.00 a 0.00 0.00 a 133.00 189.10 a 484.00 681.50 554.50 279.83 a 50.00 0.00 0.00 2371.93
1958 0.00 0.00 0.00 54.50 210.50 353.50 577.50 597.00 319.50 93.00 7.50 0.00 a 2213.00
1959 0.00 0.00 0.00 a 25.50 365.00 545.00 611.00 538.50 i 386.00 28.86 b 0.00 a 0.00 1961.36
1960 0.00 0.00 0.00 77.00 217.00 421.50 598.82 a 617.00 367.50 86.50 2.00 1.00 2388.32
1961 0.00 0.00 3.00 11.00 185.50 499.50 617.00 601.29 b 387.41 a 117.50 3.50 n 0.00 b 2422.21
1962 0.00 0.00 0.00 61.00 379.50 442.50 514.50 554.50 221.50 139.00 0.00 0.00 2312.50
1963 0.00 0.00 1.50 61.00 177.50 532.00 644.00 513.00 324.00 257.00 3.75 b 0.00 2513.75
1964 0.00 0.00 0.00 75.50 362.00 485.00 688.00 463.50 275.00 71.00 32.50 0.00 2452.50
1965 0.00 0.00 0.00 g 22.00 332.50 407.00 553.00 528.00 218.00 89.50 2.50 0.00 2152.50
1966 0.00 0.00 3.00 14.00 155.00 523.00 697.00 520.00 271.00 85.00 0.00 0.00 2268.00
1967 0.00 0.00 14.50 29.00 115.50 496.50 563.50 452.50 288.00 87.50 3.00 0.00 2050.00
1968 0.00 0.00 20.00 45.00 152.00 472.50 601.50 557.50 336.50 153.00 0.00 0.00 2338.00
1969 0.00 0.00 0.00 a 44.50 255.00 273.00 600.50 658.00 283.00 91.00 0.00 0.00 2205.00
1970 0.00 0.00 0.00 100.00 234.50 537.50 0.00 z 0.00 z 0.00 z 127.10 a 0.00 b 0.00 999.10
1971 0.00 0.00 0.00 55.50 161.50 560.50 497.50 428.50 330.50 180.00 10.50 0.00 2224.50
1972 0.00 0.00 0.00 11.50 308.50 376.00 522.50 502.50 229.00 41.00 0.00 0.00 1991.00
1973 0.00 0.00 0.00 34.50 96.00 486.50 607.50 571.50 247.00 142.00 0.00 0.00 2185.00
1974 0.00 0.00 0.00 77.50 136.00 354.50 672.50 493.50 185.50 62.00 7.50 0.00 a 1989.00
1975 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 171.00 95.77 c 26.00 0.00 292.77
1976 0.00 0.00 0.00 82.00 152.00 540.00 661.00 527.50 263.50 60.50 0.00 0.00 2286.50
1977 0.00 0.00 0.50 156.00 449.00 408.50 713.50 460.00 280.00 23.50 16.00 0.00 2507.00
1978 0.00 0.00 0.00 12.00 290.50 379.04 d 496.00 d 523.79 b 357.32 b 50.00 0.00 0.00 2108.65
1979 0.00 0.00 0.00 b 40.50 163.00 427.00 607.08 a 490.00 300.00 62.00 0.00 a 0.00 2089.58
1980 0.00 0.00 0.00 89.00 301.00 441.00 675.28 a 592.00 278.28 a 41.50 0.00 a 0.00 b 2418.06
1981 0.00 0.00 d 16.00 44.00 196.00 503.50 643.00 588.50 255.52 a 24.00 1.03 a 0.00 2271.55
1982 0.00 0.00 0.00 34.00 387.00 312.00 684.50 524.00 270.50 101.00 5.50 3.00 2321.50
1983 0.00 0.00 0.00 31.50 83.50 466.50 733.50 655.00 319.50 84.50 2.50 0.00 2376.50
1984 0.00 0.00 0.00 26.50 138.00 487.00 569.00 612.00 247.50 98.00 0.00 0.00 a 2178.00
1985 0.00 0.00 1.00 139.00 310.00 374.50 578.00 492.50 298.50 23.50 0.00 0.00 2217.00
1986 0.00 0.00 19.50 106.00 275.00 421.50 651.50 431.50 275.50 46.00 0.00 0.00 2226.50
1987 0.00 0.00 3.00 95.50 282.50 564.50 704.00 531.00 293.00 20.50 5.00 0.00 2499.00
1988 0.00 0.00 0.00 13.50 295.00 558.50 690.00 665.00 299.00 34.00 0.00 0.00 2555.00
1989 0.00 0.00 9.00 31.50 194.00 381.00 618.00 551.50 251.50 118.00 0.00 0.00 2154.50
1990 0.00 0.00 16.50 142.50 123.50 460.50 559.50 521.50 327.00 36.50 21.50 0.00 2209.00
1991 0.00 0.00 5.00 104.50 367.00 557.50 572.50 585.50 257.50 38.00 0.00 0.00 2487.50
1992 0.00 0.00 0.00 22.00 253.50 378.50 442.50 433.00 221.00 64.00 0.00 0.00 1814.50
1993 0.00 0.00 0.00 10.00 197.50 370.00 581.00 567.50 138.00 38.50 0.00 0.00 1902.50
1994 0.00 0.00 0.50 43.50 233.50 528.50 554.00 456.00 341.50 80.50 2.00 0.00 2240.00
1995 0.00 0.00 7.50 0.00 157.00 594.50 640.50 683.00 226.50 81.50 0.00 0.00 2390.50
1996 0.00 0.00 0.00 26.00 125.50 441.50 504.00 547.50 279.50 52.50 0.00 0.00 1976.50
1997 0.00 0.00 0.00 37.00 64.50 497.50 544.50 413.50 282.00 114.00 1.50 0.00 1954.50
1998 0.00 0.00 22.50 45.00 362.50 419.50 602.50 596.00 394.50 54.50 2.50 0.00 2499.50
1999 0.00 0.00 4.00 42.00 274.00 485.00 707.00 498.00 233.00 32.50 19.50 0.00 2295.00
2000 0.00 0.00 15.00 23.00 257.00 413.00 554.50 533.50 259.00 101.50 10.00 0.00 2166.50
2001 0.00 0.00 0.00 64.50 255.00 458.00 607.00 648.50 245.50 44.00 12.00 0.00 2334.50
2002 0.00 0.00 0.00 86.50 119.00 499.50 729.50 562.00 366.50 46.00 0.00 0.00 2409.00
2003 0.00 0.00 2.00 42.50 134.50 397.50 572.50 609.00 284.50 64.00 0.00 0.00 2106.50
2004 0.00 0.00 1.00 56.00 139.50 364.00 519.50 395.50 406.50 47.50 0.50 0.00 1930.00
2005 0.00 0.00 7.00 46.50 154.50 597.50 650.00 600.00 395.50 132.00 0.50 0.00 2583.50
2006 0.00 0.00 3.00 76.50 255.50 453.00 711.00 541.00 223.50 48.00 2.50 0.00 2314.00
2007 0.00 0.00 24.00 57.50 292.00 535.50 602.00 577.00 380.50 197.00 0.00 0.00 2665.50
2008 0.00 0.00 0.00 52.00 105.50 447.00 609.00 530.00 335.00 61.00 23.00 0.00 2162.50
2009 0.00 0.00 0.00 32.50 185.50 444.00 455.00 496.50 351.00 4.00 0.50 0.00 1969.00
2010 0.00 0.00 4.00 89.50 315.50 460.00 669.00 660.50 211.00 82.00 0.00 0.00 2491.50
2011 0.00 0.00 0.00 11.50 183.50 438.00 736.50 567.50 239.50 125.50 0.00 0.00 2302.00
2012 0.00 0.00 92.50 29.50 351.00 565.50 796.00 569.00 260.50 20.50 k 0.00 z 0.00 z 2664.00
Period of Record Statistics
MEAN 0.00 0.00 4.29 53.34 225.09 470.31 626.64 550.89 297.11 84.47 4.51 0.04 2313.06
S.D. 0.00 0.00 11.83 38.76 89.83 83.38 77.60 82.65 66.01 50.43 8.02 0.33 255.92
SKEW 0.00 0.00 5.11 0.98 0.42 -0.15 0.10 0.33 0.05 0.92 2.24 8.41 0.23
MAX 0.00 0.00 92.50 175.50 449.00 662.00 833.79 769.50 461.50 257.00 37.24 3.00 3014.29
MIN 0.00 0.00 0.00 0.00 64.50 273.00 442.50 360.00 138.00 4.00 0.00 0.00 1771.00
NO YRS 94 92 93 94 95 95 95 93 95 94 91 94 79