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 22.00 122.00 276.50 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 144.00
1894 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1895 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1896 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1897 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1898 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1899 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1900 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1901 0.00 z 0.00 z 0.00 z 73.50 207.00 526.00 752.00 598.50 316.61 b 25.50 y 0.00 o 0.00 2473.61
1902 0.00 0.00 0.00 30.50 227.50 335.50 627.50 460.00 263.00 61.50 11.50 0.00 2017.00
1903 0.00 0.00 5.50 19.00 237.00 378.50 613.00 252.00 m 327.00 35.00 p 11.00 0.00 1591.00
1904 0.00 0.00 0.00 27.00 240.50 435.50 555.00 487.50 337.00 103.50 14.00 0.00 2200.00
1905 0.00 0.00 12.50 23.50 142.50 423.50 586.00 640.84 b 395.50 153.00 0.00 0.00 2377.34
1906 0.00 a 0.00 0.00 34.00 221.50 429.00 0.00 z 0.00 z 484.00 100.50 0.00 0.00 1269.00
1907 0.00 0.00 2.00 2.50 81.00 472.00 612.00 528.00 318.00 70.50 0.00 0.00 2086.00
1908 0.00 0.00 0.00 60.50 277.00 463.50 646.00 577.00 537.50 143.50 1.50 0.00 2706.50
1909 0.00 0.00 a 0.00 0.00 181.00 490.50 636.00 660.30 a 285.50 68.09 c 17.00 0.00 2338.39
1910 0.00 e 0.00 66.50 71.11 c 169.00 617.50 787.73 c 661.73 e 319.50 179.50 0.00 0.00 2872.57
1911 0.00 a 0.00 0.00 r 62.00 426.50 679.00 727.00 593.00 345.00 64.50 0.00 0.00 2897.00
1912 0.00 0.00 0.00 21.00 252.50 495.00 690.50 496.00 406.00 89.50 f 2.50 0.00 2363.50
1913 0.00 0.00 0.00 84.50 219.50 620.50 666.50 695.00 389.00 136.50 7.50 0.00 2819.00
1914 0.00 0.00 0.00 b 39.00 326.00 446.38 a 703.00 589.50 341.00 195.50 11.38 a 0.00 2651.76
1915 0.00 0.00 0.00 187.50 99.00 325.50 532.17 a 461.38 a 347.00 78.00 12.00 0.00 2042.55
1916 0.00 0.00 a 0.00 16.00 199.00 338.00 876.50 666.00 290.00 89.00 4.00 0.00 2478.50
1917 0.00 0.00 0.00 17.00 118.50 315.00 685.50 489.00 262.50 11.50 0.00 0.00 1899.00
1918 0.00 a 0.00 1.00 0.50 291.50 444.50 572.00 662.00 173.00 110.50 9.00 0.00 2264.00
1919 0.00 0.00 c 0.00 a 0.00 z 0.00 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 a 0.00 a 0.00
1927 0.00 0.00 1.00 36.00 96.00 347.50 550.00 424.50 408.00 103.00 0.00 0.00 1966.00
1928 0.00 0.00 0.00 16.50 218.00 318.50 613.00 573.50 249.00 131.00 1.00 0.00 2120.50
1929 0.00 0.00 0.00 51.50 157.00 361.00 630.50 492.00 329.00 50.00 0.00 0.00 2071.00
1930 0.00 a 0.00 0.00 30.00 248.00 485.36 b 687.00 646.50 401.00 128.50 19.00 0.00 2645.36
1931 0.00 0.00 0.00 61.50 171.00 558.10 a 778.50 595.50 513.50 161.50 30.00 0.00 2869.60
1932 0.00 a 0.00 0.00 a 21.00 193.50 553.50 651.50 623.00 324.00 70.50 0.00 0.00 2437.00
1933 0.00 a 0.00 a 0.00 18.50 259.50 679.00 692.50 547.50 471.50 61.00 15.50 0.00 c 2745.00
1934 0.00 0.00 0.00 28.00 358.57 a 592.00 669.00 484.50 290.50 117.50 2.00 0.00 2542.07
1935 0.00 a 0.00 0.00 25.50 121.50 342.00 762.50 610.50 321.00 85.00 0.00 0.00 2268.00
1936 0.00 0.00 2.07 a 11.00 376.50 435.00 817.50 688.72 a 466.03 a 80.50 0.00 a 0.00 2877.32
1937 0.00 0.00 0.00 9.00 242.00 500.50 778.50 789.50 372.41 a 65.00 1.50 0.00 2758.41
1938 0.00 0.00 14.50 82.00 229.00 517.50 673.50 721.00 331.00 187.00 41.50 0.00 2797.00
1939 0.00 0.00 8.00 55.50 334.00 556.50 739.00 670.00 445.50 113.00 0.00 0.00 2921.50
1940 0.00 0.00 0.00 15.00 187.00 487.50 714.50 581.50 392.50 124.00 1.50 0.00 2503.50
1941 0.00 0.00 0.00 108.50 364.00 557.00 714.00 632.50 410.50 107.50 6.00 0.00 2900.00
1942 0.00 a 0.00 0.00 146.50 191.00 458.00 631.50 571.00 317.50 107.50 0.50 0.00 2423.50
1943 0.00 0.00 5.50 21.00 190.50 599.50 749.50 652.50 233.50 114.00 0.00 0.00 2566.00
1944 0.00 0.00 0.00 6.00 350.50 565.50 657.50 664.50 327.00 52.50 18.75 b 0.00 2642.25
1945 0.00 0.00 39.50 58.50 128.50 409.50 595.00 626.00 333.50 56.50 3.00 0.00 2250.00
1946 0.00 0.00 9.50 75.00 163.50 450.50 680.00 565.00 338.00 171.50 1.50 0.00 2454.50
1947 0.00 0.00 0.00 a 12.00 95.07 a 407.14 b 673.45 b 852.50 464.48 a 305.87 a 0.52 a 0.00 2811.02
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 474.50 684.50 661.50 463.00 48.50 13.50 0.00 2345.50
1949 0.00 0.00 0.00 50.50 268.50 614.50 725.50 644.00 220.50 172.00 4.00 0.00 2699.50
1950 0.00 0.00 0.00 2.50 209.00 471.21 a 567.50 425.00 296.90 a 142.50 4.50 0.00 2119.10
1951 0.00 0.00 0.00 23.00 303.00 404.50 611.50 502.00 258.00 103.00 0.00 0.00 2205.00
1952 0.00 0.00 0.00 127.50 195.00 530.00 725.50 589.50 359.50 22.22 a 6.00 0.00 2555.22
1953 0.00 0.00 1.00 12.00 225.50 560.50 688.50 657.50 358.50 213.50 28.50 0.00 2745.50
1954 0.00 0.00 0.00 56.00 151.00 565.00 662.50 550.77 a 323.00 87.50 1.00 0.00 2396.77
1955 0.00 0.00 0.00 89.50 309.00 496.50 824.60 a 769.50 371.90 a 128.00 0.00 0.00 2989.00
1956 0.00 0.00 0.00 3.50 186.50 573.50 552.83 a 603.47 a 259.50 194.00 32.00 0.00 2405.30
1957 0.00 0.00 0.00 123.50 183.50 501.50 707.00 592.50 287.00 63.50 0.00 0.00 2458.50
1958 0.00 a 0.00 0.00 55.50 216.00 338.50 603.00 602.50 325.50 116.50 16.00 0.00 2273.50
1959 0.00 0.00 0.00 25.00 372.00 577.50 694.00 750.50 401.50 38.00 0.00 0.00 2858.50
1960 0.00 0.00 0.00 75.50 219.50 433.50 621.00 628.50 368.00 93.00 2.50 0.00 2441.50
1961 0.00 0.00 0.00 14.00 172.57 a 498.50 649.00 619.00 385.50 126.00 9.00 0.00 2473.57
1962 0.00 0.00 0.00 62.50 368.00 484.00 563.50 629.00 270.00 173.00 0.00 0.00 2550.00
1963 0.00 0.00 5.00 65.00 184.00 588.50 706.00 563.00 335.50 325.00 1.50 0.00 2773.50
1964 0.00 0.00 0.00 57.00 378.50 532.50 720.50 523.00 294.50 83.00 39.00 0.00 2628.00
1965 0.00 0.00 0.00 15.00 317.50 450.00 593.50 539.50 265.00 95.50 2.50 0.00 2278.50
1966 0.00 0.00 1.50 12.50 167.50 557.50 0.00 z 546.00 303.00 71.50 0.00 0.00 1659.50
1967 0.00 0.00 11.50 28.50 112.00 522.00 607.50 480.00 346.00 88.00 1.50 0.00 2197.00
1968 0.00 0.00 17.00 45.50 150.50 485.50 629.00 620.00 377.50 145.00 7.50 0.00 2477.50
1969 0.00 0.00 0.00 25.50 239.50 285.00 614.50 702.50 337.50 100.50 0.00 0.00 2305.00
1970 0.00 0.00 0.00 103.00 237.50 522.50 703.50 645.00 356.50 116.50 0.00 0.00 2684.50
1971 0.00 0.00 0.00 23.00 150.50 599.00 575.50 530.50 413.50 201.00 2.50 0.00 2495.50
1972 0.00 0.00 0.00 15.00 334.50 412.00 604.50 570.50 308.00 63.50 0.00 0.00 2308.00
1973 0.00 0.00 0.00 38.50 126.00 545.50 675.00 680.50 352.50 217.50 0.00 0.00 2635.50
1974 0.00 0.00 0.50 69.00 141.00 401.00 692.50 572.00 222.00 74.50 9.50 0.00 2182.00
1975 0.00 0.00 0.00 9.00 345.50 494.50 701.50 617.00 213.00 120.50 46.50 0.00 2547.50
1976 0.00 0.00 0.00 63.50 172.50 584.50 700.50 585.50 297.00 73.00 0.00 0.00 2476.50
1977 0.00 0.00 0.00 144.50 476.50 445.00 740.00 519.50 333.00 31.00 13.50 0.00 2703.00
1978 0.00 0.00 0.00 7.00 282.50 458.00 569.50 628.50 419.50 59.00 13.50 0.00 2437.50
1979 0.00 0.00 0.00 28.50 167.00 457.00 665.50 532.00 361.50 54.50 0.00 0.00 2266.00
1980 0.00 0.00 0.00 64.00 334.00 442.00 717.50 639.50 344.00 48.00 1.00 0.00 2590.00
1981 0.00 0.00 12.50 41.50 228.37 a 536.00 688.50 616.50 263.00 20.50 8.50 0.00 2415.37
1982 0.00 a 0.00 0.00 31.00 368.00 346.00 716.00 521.50 278.50 89.50 0.00 z 0.00 z 2350.50
1983 0.00 0.00 2.50 32.50 100.00 531.00 812.20 a 708.50 367.50 80.50 0.50 0.00 a 2635.20
1984 0.00 0.00 0.00 20.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 20.50
1985 0.00 z 0.00 2.00 173.00 380.00 468.00 688.00 587.50 396.50 74.92 a 2.00 0.00 2771.92
1986 0.00 a 0.00 38.00 116.00 316.00 480.00 738.50 526.50 349.50 74.50 0.00 0.00 2639.00
1987 0.00 0.00 6.00 114.00 355.50 645.00 797.50 625.00 397.00 38.50 20.00 0.00 2998.50
1988 0.00 0.00 0.00 31.00 376.00 636.50 812.50 784.00 389.50 52.00 0.00 0.00 3081.50
1989 0.00 0.00 9.50 34.00 265.00 481.00 720.50 645.00 345.00 139.50 0.00 0.00 2639.50
1990 0.00 0.00 23.00 154.00 155.50 544.50 646.00 616.00 414.00 72.00 33.00 0.00 2658.00
1991 0.00 0.00 7.50 107.00 445.00 634.00 674.50 669.00 328.00 79.50 0.50 0.00 2945.00
1992 0.00 0.00 0.00 35.00 292.00 423.50 520.50 499.50 298.00 81.00 0.00 0.00 2149.50
1993 0.00 0.00 0.00 26.50 227.00 375.00 619.50 623.00 169.00 44.50 0.00 0.00 2084.50
1994 0.00 0.00 0.00 45.00 244.00 534.50 578.50 481.50 389.50 73.00 1.50 0.00 2347.50
1995 0.00 0.00 13.50 0.00 167.00 604.50 694.00 707.00 274.50 84.00 0.00 0.00 2544.50
1996 0.00 0.00 0.00 22.00 126.50 449.00 529.00 613.00 307.00 72.50 0.00 0.00 2119.00
1997 0.00 0.00 0.00 32.50 66.50 513.00 589.00 459.00 309.00 152.50 0.00 0.00 2121.50
1998 0.00 0.00 23.50 41.00 370.50 469.00 649.50 625.50 442.00 79.00 1.50 1.00 2702.50
1999 0.00 0.00 13.00 27.00 296.50 505.50 744.50 529.50 304.00 65.00 19.00 0.00 2504.00
2000 0.00 0.00 19.00 15.50 258.50 444.00 574.00 587.50 343.89 c 128.00 10.50 0.00 2380.89
2001 0.00 b 0.00 b 0.00 78.50 272.00 521.00 714.50 686.50 285.50 65.62 a 20.50 1.00 2645.12
2002 0.00 0.00 0.00 84.00 143.50 542.00 739.00 583.50 413.00 44.50 0.00 0.00 2549.50
2003 0.00 0.00 3.50 61.50 174.50 429.50 649.50 681.00 362.00 101.00 0.00 0.00 2462.50
2004 0.00 0.00 5.50 58.00 162.50 394.00 557.50 433.00 466.00 70.50 4.00 0.00 2151.00
2005 0.00 0.00 8.00 63.00 162.50 623.50 672.00 639.50 428.00 130.50 3.00 e 0.00 2730.00
2006 0.00 0.00 3.00 66.00 246.50 459.50 754.00 609.00 254.50 49.50 7.00 0.00 2449.00
2007 0.00 0.00 28.00 59.50 309.00 573.00 664.00 641.50 436.50 242.50 0.00 0.00 2954.00
2008 0.00 e 0.00 0.00 65.00 159.50 519.50 679.50 589.00 401.00 85.50 31.50 0.00 2530.50
2009 0.00 0.00 2.00 34.50 225.50 477.50 508.50 552.50 379.00 11.00 5.00 0.00 2195.50
2010 0.00 0.00 3.00 113.50 351.00 534.50 747.00 729.00 257.50 94.50 6.00 0.00 2836.00
2011 0.00 0.00 0.00 16.50 176.50 444.00 755.50 626.50 262.50 139.50 0.50 0.00 2421.50
2012 0.00 0.00 129.50 29.00 338.50 566.00 835.00 604.00 300.50 36.00 h 0.00 z 0.00 z 2802.50
Period of Record Statistics
MEAN 0.00 0.00 5.40 48.48 234.65 489.57 672.20 601.96 342.87 102.86 6.67 0.02 2498.59
S.D. 0.00 0.00 15.74 39.75 90.49 86.38 76.89 82.01 70.63 56.70 10.27 0.14 269.85
SKEW 0.00 0.00 5.63 1.33 0.42 -0.13 0.11 0.14 0.18 1.37 1.97 6.93 -0.05
MAX 0.00 0.00 129.50 187.50 476.50 679.00 876.50 852.50 537.50 325.00 46.50 1.00 3081.50
MIN 0.00 0.00 0.00 0.00 66.50 285.00 508.50 424.50 169.00 11.00 0.00 0.00 1899.00
NO YRS 103 104 103 104 103 103 101 101 103 99 101 102 93