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 201303
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 z 0.00 0.00 18.00 174.50 0.00 z 0.00 z 0.00 z 383.00 127.50 12.50 0.00 715.50
1894 0.00 0.00 17.00 124.00 281.50 630.00 801.00 630.50 366.50 54.00 0.00 z 0.00 c 2904.50
1895 0.00 0.00 3.00 96.00 295.00 539.00 598.00 625.50 472.50 30.00 21.50 0.00 2680.50
1896 0.00 0.00 0.00 188.50 425.50 518.00 633.50 628.27 a 205.00 57.00 0.00 0.00 2655.77
1897 0.00 0.00 0.00 56.50 228.50 461.50 718.50 500.50 516.50 198.00 2.50 0.00 2682.50
1898 0.00 0.00 0.50 31.00 241.50 533.00 683.00 575.00 392.00 76.50 6.50 0.00 2539.00
1899 0.00 0.00 0.00 120.00 238.50 497.50 611.50 615.50 245.50 165.50 4.50 0.00 2498.50
1900 0.00 0.00 0.00 128.00 337.50 490.50 615.50 0.00 z 358.00 205.50 0.00 0.00 2135.00
1901 0.00 0.00 0.00 110.00 277.50 591.00 846.00 597.50 271.55 a 123.50 0.00 0.00 2817.05
1902 0.00 0.00 0.00 40.00 324.50 382.50 649.00 477.00 195.00 70.00 11.50 0.00 a 2149.50
1903 0.00 0.00 4.50 24.50 297.50 369.50 594.50 439.50 240.50 59.00 8.50 0.00 2038.00
1904 0.00 d 0.00 0.00 60.00 367.50 548.00 617.50 466.50 289.50 100.50 5.00 0.00 2454.50
1905 0.00 0.00 24.00 35.00 163.50 464.50 564.50 586.00 343.45 a 115.00 0.00 0.00 2295.95
1906 0.00 0.00 0.00 116.00 277.00 489.00 590.50 658.00 444.00 92.48 a 10.00 0.00 2676.98
1907 0.00 0.00 21.50 2.50 93.50 440.00 645.50 577.00 287.00 61.00 0.00 0.00 2128.00
1908 0.00 0.00 0.00 66.50 266.00 425.50 619.50 501.50 502.50 107.50 0.00 0.00 2489.00
1909 0.00 0.00 z 0.00 z 2.07 a 229.83 b 472.50 641.00 694.00 248.50 85.00 g 22.50 0.00 a 2310.40
1910 0.00 a 0.00 b 59.62 e 125.50 i 151.00 548.50 747.00 589.52 a 273.75 b 161.00 0.00 a 0.00 2530.38
1911 0.00 0.00 5.50 53.00 431.00 672.86 b 709.50 514.00 299.50 42.00 0.00 0.00 2727.36
1912 0.00 0.00 0.00 e 72.50 302.00 443.50 634.47 a 496.53 b 361.50 84.96 d 5.00 0.00 2400.46
1913 0.00 0.00 0.00 a 88.00 236.00 588.00 520.00 g 631.00 349.50 112.50 4.00 0.00 2009.00
1914 0.00 0.00 0.00 86.50 287.55 b 518.00 712.00 589.00 309.23 d 192.50 12.50 0.00 2707.28
1915 0.00 0.00 0.00 218.50 136.73 c 248.50 l 540.50 467.67 b 217.00 f 89.50 13.50 0.00 1466.40
1916 0.00 a 0.00 0.00 28.45 a 231.97 b 346.50 813.00 641.00 291.50 73.00 7.00 0.00 2432.41
1917 0.00 f 0.00 a 0.00 37.50 156.50 325.50 635.50 492.50 258.00 20.15 a 1.50 0.00 1927.15
1918 0.00 0.00 11.50 7.50 309.50 474.00 529.21 c 599.00 185.19 d 155.00 23.50 0.00 2294.41
1919 0.00 a 0.00 0.00 32.00 220.00 587.00 741.00 572.97 b 221.00 k 96.50 f 0.00 z 0.00 z 2152.97
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 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 0.00
1959 0.00 0.00 0.00 d 43.00 365.00 541.50 609.48 c 706.50 369.11 b 25.00 0.00 0.00 2659.59
1960 0.00 0.00 0.00 86.00 240.50 398.00 569.50 606.00 340.50 88.35 a 2.00 0.00 2330.85
1961 0.00 0.00 0.00 1.50 160.50 448.50 535.00 540.00 259.50 101.00 2.00 0.00 a 2048.00
1962 0.00 0.00 0.00 77.07 a 328.00 392.59 a 482.50 477.50 159.00 90.86 b 0.00 0.50 2008.02
1963 0.00 0.00 13.50 42.50 131.00 502.00 568.00 407.50 230.50 215.00 0.00 0.00 2110.00
1964 0.00 0.00 0.00 34.00 285.00 463.50 664.50 429.02 c 236.50 44.00 12.86 b 0.00 2169.38
1965 0.00 0.00 0.00 14.00 292.50 389.00 533.50 489.28 a 124.00 68.50 4.50 0.00 a 1915.28
1966 0.00 a 0.00 b 5.50 4.66 a 122.45 a 418.50 665.00 484.00 243.00 e 76.00 2.50 0.00 2021.61
1967 0.00 0.00 23.50 33.50 146.50 481.50 576.50 495.50 275.50 103.50 0.00 0.00 2136.00
1968 0.00 0.00 38.50 92.00 175.00 511.00 630.50 629.00 302.50 136.00 5.50 0.00 2520.00
1969 0.00 a 0.00 0.00 49.00 318.50 311.50 674.50 644.50 344.50 104.50 0.00 0.00 2447.00
1970 0.00 0.00 0.00 106.50 311.00 551.00 691.50 608.50 318.50 92.00 0.00 0.00 2679.00
1971 0.00 0.00 1.50 69.31 a 161.00 646.50 537.50 539.00 394.00 198.00 6.00 0.00 2552.81
1972 0.00 0.00 0.00 16.50 347.00 478.00 588.00 624.50 333.50 58.50 0.00 0.00 2446.00
1973 0.00 0.00 5.50 39.50 171.00 570.00 689.50 638.50 329.00 189.50 0.00 0.00 2632.50
1974 0.00 0.00 0.00 105.00 185.50 407.00 719.00 523.50 211.00 90.93 a 5.50 0.00 2247.43
1975 0.00 0.00 0.00 13.50 307.00 490.00 653.50 606.50 185.50 121.93 a 22.50 0.00 2400.43
1976 0.00 0.00 17.00 78.50 214.00 541.00 705.50 580.50 299.50 95.50 0.00 0.00 2531.50
1977 0.00 0.00 14.00 213.50 458.50 475.00 704.50 0.00 z 310.50 6.50 6.50 0.00 2189.00
1978 0.00 0.00 6.50 28.50 211.83 d 365.00 h 594.17 a 421.50 g 223.00 l 28.62 e 12.00 f 0.00 869.62
1979 0.00 0.00 i 0.00 b 26.00 i 0.00 z 271.00 m 317.50 n 389.50 j 344.00 28.50 h 0.00 h 0.00 a 344.00
1980 0.00 d 0.00 g 0.00 n 114.50 216.00 m 354.50 i 381.00 o 300.50 p 259.00 g 32.00 t 1.80 e 0.00 j 116.30
1981 0.00 e 0.00 0.00 g 77.78 c 193.48 b 494.50 510.50 f 541.39 c 293.50 54.50 8.50 0.00 1663.65
1982 0.00 0.00 3.00 44.50 361.50 337.00 135.50 y 0.00 z 59.00 o 70.50 3.50 0.50 820.50
1983 0.00 0.00 10.00 29.50 111.50 510.50 762.50 738.50 351.50 71.00 6.00 0.00 2591.00
1984 0.00 0.00 0.00 23.00 156.50 540.00 592.00 661.50 288.00 134.00 0.00 0.00 2395.00
1985 0.00 0.00 0.00 170.00 355.50 404.50 642.50 489.00 338.50 29.50 0.00 0.00 2429.50
1986 0.00 0.00 33.00 100.00 276.50 515.50 673.00 468.00 297.00 63.00 0.00 0.00 2426.00
1987 0.00 0.00 11.50 121.00 347.50 600.00 737.50 555.50 318.00 28.00 20.00 0.00 2739.00
1988 0.00 0.00 0.00 38.50 384.00 646.00 779.50 725.00 338.00 46.50 0.00 0.00 2957.50
1989 0.00 0.00 21.00 0.00 z 248.00 460.50 718.50 597.50 273.50 147.50 0.00 0.00 2466.50
1990 0.00 0.00 18.50 113.00 150.50 511.50 621.50 571.50 385.00 46.50 25.50 0.00 2443.50
1991 0.00 0.00 14.50 98.00 381.00 636.50 629.50 604.00 277.50 74.00 0.00 0.00 2715.00
1992 0.00 0.00 0.00 25.50 283.00 426.00 451.00 425.00 241.00 104.50 0.00 0.00 1956.00
1993 0.00 0.00 0.00 14.50 212.00 410.00 584.00 592.50 142.00 68.00 0.00 0.00 2023.00
1994 0.00 0.00 3.00 70.00 266.50 564.00 552.50 461.50 0.00 z 106.95 a 3.00 0.00 2027.45
1995 0.00 a 0.00 10.00 1.50 179.28 a 606.00 678.50 764.50 275.50 86.50 0.00 0.00 2601.78
1996 0.00 0.00 0.00 17.00 160.50 466.00 584.50 567.50 291.50 104.50 0.00 0.00 2191.50
1997 0.00 0.00 3.00 30.00 34.00 i 548.00 612.00 496.00 321.50 151.50 0.00 0.00 2162.00
1998 0.00 z 0.00 z 0.00 z 16.50 z 139.00 v 0.00 z 434.50 j 345.00 m 452.00 70.00 4.00 1.00 527.00
1999 0.00 z 0.00 z 5.50 w 44.48 a 280.00 492.00 732.50 528.50 265.50 61.50 24.50 0.00 2428.98
2000 0.00 0.00 32.00 48.00 273.50 418.50 580.50 582.50 315.00 155.00 16.50 0.00 2421.50
2001 0.00 0.00 0.00 94.00 265.50 292.50 h 651.53 b 633.00 208.89 c 46.50 b 44.50 6.72 a 1950.64
2002 0.00 x 0.00 j 0.00 94.50 164.50 553.50 731.00 558.50 387.00 63.50 0.00 0.00 2552.50
2003 0.00 0.00 8.00 80.00 185.00 434.00 618.00 683.50 315.50 101.00 0.00 0.00 2425.00
2004 0.00 0.00 20.00 76.50 197.00 418.00 582.00 422.50 413.00 60.50 8.50 0.00 2198.00
2005 0.00 0.00 11.50 98.50 192.00 628.50 674.50 550.00 419.00 140.00 0.50 0.00 2714.50
2006 0.00 0.00 0.00 89.00 268.50 500.50 742.00 610.50 224.00 69.00 9.50 0.00 2513.00
2007 0.00 0.00 32.50 76.50 345.50 537.50 645.00 611.00 380.50 186.00 0.00 0.00 2814.50
2008 0.00 0.00 0.00 36.50 154.50 492.00 640.50 547.00 352.00 82.00 41.00 0.00 2345.50
2009 0.00 0.00 0.50 42.50 212.00 464.50 478.00 491.50 352.00 13.00 7.00 0.00 2061.00
2010 0.00 0.00 8.50 99.50 294.00 521.50 704.00 679.50 268.00 145.50 1.50 0.00 2722.00
2011 0.00 0.00 0.00 22.50 238.00 508.50 773.50 596.00 254.00 141.00 0.50 0.00 2534.00
2012 0.00 0.00 147.50 45.00 376.13 a 567.41 a 832.50 563.00 298.00 85.00 5.17 a 0.00 2919.72
2013 0.00 b 0.00 0.00 h 0.00 z 0.00 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 8.69 65.28 252.30 494.39 647.13 568.65 307.14 94.99 6.15 0.11 2434.92
S.D. 0.00 0.00 19.69 47.43 82.90 80.01 82.60 79.62 78.17 49.40 9.19 0.76 259.57
SKEW 0.00 0.00 5.03 1.06 0.27 -0.03 0.16 0.08 0.24 0.59 2.17 8.38 -0.20
MAX 0.00 0.00 147.50 218.50 458.50 672.86 846.00 764.50 516.50 215.00 44.50 6.72 2957.50
MIN 0.00 0.00 0.00 1.50 93.50 311.50 451.00 407.50 124.00 6.50 0.00 0.00 1915.28
NO YRS 77 76 76 77 77 74 74 73 75 77 77 80 59