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
1889 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1890 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1891 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1892 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1893 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
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 u 0.00 201.50 491.00 567.50 654.00 612.50 208.00 44.50 6.50 0.00 2785.50
1897 0.00 0.00 0.00 62.50 229.00 457.50 725.00 453.50 429.00 139.50 0.00 0.00 2496.00
1898 0.00 0.00 c 2.50 17.00 223.50 540.50 647.50 501.00 313.50 64.50 3.50 0.00 2313.50
1899 0.00 0.00 0.00 147.00 277.50 590.00 698.02 a 657.00 281.00 176.00 3.00 0.00 2829.52
1900 0.00 0.00 0.00 117.50 366.50 525.00 614.00 765.00 369.00 239.00 1.00 0.00 a 2997.00
1901 0.00 0.00 0.00 108.50 314.00 612.00 915.50 0.00 z 347.50 152.50 4.50 0.00 2454.50
1902 0.00 0.00 5.50 74.50 374.00 426.50 686.50 528.50 278.50 108.00 37.00 0.00 2519.00
1903 0.00 0.00 18.50 61.50 354.50 432.50 648.00 480.50 342.00 95.50 16.00 0.00 2449.00
1904 0.00 0.00 0.00 37.50 281.00 482.00 581.00 501.50 359.00 118.50 11.50 0.00 2372.00
1905 0.00 0.00 26.00 50.00 229.50 496.03 a 625.17 d 616.90 a 423.33 c 122.00 f 0.00 0.00 2466.93
1906 0.00 0.00 0.00 c 88.50 269.50 458.00 595.00 662.50 444.00 107.50 5.50 0.00 2630.50
1907 0.00 0.00 8.50 5.50 103.50 452.00 636.00 524.50 306.50 60.50 0.00 0.00 2097.00
1908 0.00 0.00 1.50 96.00 329.00 473.00 662.00 572.50 517.50 140.50 4.50 0.00 2796.50
1909 0.00 0.00 0.00 1.00 263.50 516.50 643.50 689.50 306.50 77.50 34.00 0.00 2532.00
1910 0.00 0.00 109.00 141.00 157.00 588.00 785.00 651.00 302.00 169.50 0.00 z 0.00 2902.50
1911 0.00 0.00 3.50 70.50 472.50 764.50 787.40 a 0.00 z 434.00 75.50 2.50 0.00 2610.40
1912 0.00 0.00 0.00 76.00 317.50 495.50 705.50 566.50 425.00 124.00 3.62 a 0.00 2713.62
1913 0.00 0.00 0.00 111.00 259.00 631.50 698.50 658.00 404.00 151.50 23.50 0.00 2937.00
1914 0.00 0.00 0.00 103.00 401.50 560.17 a 806.50 690.00 428.00 243.00 16.00 0.00 3248.17
1915 0.00 0.00 0.00 261.00 163.50 409.50 594.00 473.50 418.00 126.00 27.50 0.00 2473.00
1916 0.00 0.00 0.00 30.00 262.00 404.00 925.50 728.00 355.50 127.00 16.50 0.00 2848.50
1917 0.00 0.00 0.00 49.50 189.00 401.50 734.00 569.00 288.00 18.00 0.00 0.00 2249.00
1918 0.00 a 0.00 20.50 14.48 a 397.50 548.50 665.50 715.00 230.00 171.50 16.50 0.00 2779.48
1919 0.00 0.00 0.00 48.50 229.00 684.00 789.00 619.50 479.00 122.50 0.00 0.00 2971.50
1920 0.00 0.00 13.00 24.00 279.00 639.50 680.50 620.00 503.00 296.50 0.00 0.00 3055.50
1921 0.00 0.00 26.00 170.00 429.00 736.50 940.50 687.50 509.00 98.50 0.00 0.00 3597.00
1922 0.00 0.00 2.50 47.50 495.50 635.50 665.50 719.00 508.50 194.00 24.00 0.00 3292.00
1923 0.00 0.00 0.00 71.00 292.50 707.00 817.00 622.50 401.00 108.00 1.50 0.00 3020.50
1924 0.00 0.00 0.00 47.00 114.50 460.50 627.00 596.50 252.50 207.50 15.00 0.00 2320.50
1925 0.00 0.00 6.00 146.00 235.50 605.50 690.00 676.50 529.00 41.00 0.00 0.00 2929.50
1926 0.00 0.00 0.00 73.00 340.00 423.00 709.00 670.50 361.00 109.50 0.00 0.00 2686.00
1927 0.00 0.00 7.50 54.00 216.50 474.50 654.50 544.00 483.50 171.00 8.00 0.00 2613.50
1928 0.00 0.00 19.50 39.00 393.50 428.00 726.50 665.00 307.00 212.00 5.50 0.00 2796.00
1929 0.00 0.00 1.50 134.50 246.50 486.00 739.50 618.00 395.50 116.50 0.00 0.00 2738.00
1930 0.00 6.50 8.00 99.50 348.50 597.50 793.50 751.00 462.50 157.50 43.50 0.00 3268.00
1931 0.00 0.00 0.00 154.50 261.50 717.41 a 870.50 697.00 621.00 221.00 62.00 0.00 3604.91
1932 0.00 0.00 0.00 40.50 337.50 666.50 787.00 690.00 361.50 95.00 2.00 0.00 a 2980.00
1933 0.00 0.00 0.00 53.50 351.00 838.50 779.50 634.00 553.50 103.50 16.00 0.00 3329.50
1934 0.00 0.00 0.00 61.00 529.00 732.50 801.00 604.00 325.00 195.00 16.00 0.00 3263.50
1935 0.00 0.00 0.50 58.50 187.50 449.00 858.00 678.00 401.50 137.00 0.00 0.00 2770.00
1936 0.00 0.00 9.50 47.50 492.50 518.50 907.00 793.00 484.00 101.00 1.00 0.00 3354.00
1937 0.00 0.00 0.00 39.00 323.00 550.00 796.00 827.50 435.00 99.50 4.50 0.00 3074.50
1938 0.00 0.00 38.50 133.50 280.50 533.00 736.00 747.50 395.50 228.00 57.00 0.00 3149.50
1939 0.00 0.00 20.50 98.50 450.50 608.00 802.50 691.00 535.00 189.00 0.50 0.00 3395.50
1940 0.00 0.00 a 0.00 26.50 236.50 564.00 746.00 600.00 428.50 169.50 5.50 0.00 2776.50
1941 0.00 0.00 0.00 a 172.00 446.00 582.00 746.00 706.00 475.00 157.00 7.50 0.00 3291.50
1942 0.00 0.00 0.00 205.00 272.50 553.00 708.50 637.50 380.50 161.50 7.50 0.00 2926.00
1943 0.00 0.00 27.00 47.50 235.00 660.50 776.00 699.50 283.00 138.50 0.00 0.00 2867.00
1944 0.00 0.00 0.00 11.50 452.00 626.50 686.50 705.50 433.50 120.00 49.50 0.00 3085.00
1945 0.00 0.00 77.00 86.00 192.50 418.00 623.50 641.00 377.50 94.00 10.50 0.00 2520.00
1946 0.00 0.00 29.50 160.00 235.00 534.00 722.00 602.00 384.00 195.50 0.00 2.50 2864.50
1947 0.00 z 0.00 z 0.50 v 43.50 185.50 458.00 664.00 849.00 474.00 310.50 1.50 0.00 2986.00
1948 0.00 0.00 8.00 145.34 a 266.00 543.00 741.50 690.78 a 495.50 65.00 31.50 0.00 2986.63
1949 0.00 0.00 0.00 83.00 346.50 636.00 777.00 681.50 246.00 226.50 14.50 0.00 3011.00
1950 0.00 0.00 0.00 13.50 241.00 h 551.38 a 605.00 497.50 361.00 221.02 d 13.89 c 0.00 2263.29
1951 0.00 0.00 0.00 c 45.00 396.00 459.00 654.50 542.50 d 294.23 d 134.50 0.00 2.67 b 2528.40
1952 0.00 d 0.00 2.00 183.00 256.00 644.48 a 794.08 e 595.50 389.50 43.40 a 25.00 0.00 f 2932.96
1953 0.00 d 0.00 a 8.00 0.00 o 159.50 n 253.50 r 348.00 p 690.30 c 253.50 n 161.50 m 35.00 f 0.00 a 698.30
1954 0.00 i 0.00 b 0.00 a 125.00 189.50 626.00 708.50 586.50 382.50 121.50 10.00 0.00 2749.50
1955 0.00 0.00 0.00 b 150.54 b 371.00 475.00 857.50 802.00 433.00 170.50 a 0.00 0.00 3259.54
1956 0.00 0.00 0.00 27.00 281.00 641.50 607.50 638.50 289.50 236.50 45.00 0.00 2766.50
1957 0.00 0.00 0.00 169.00 239.50 555.50 740.50 633.50 324.00 65.50 2.50 0.00 2730.00
1958 0.00 0.00 0.00 79.50 331.00 431.50 641.00 697.00 406.00 181.50 27.50 0.00 2795.00
1959 0.00 0.00 0.00 62.00 439.50 593.00 669.50 757.00 422.50 49.00 0.00 0.00 2992.50
1960 0.00 0.00 0.00 149.00 307.00 481.00 645.50 661.00 455.50 129.50 5.00 0.50 2834.00
1961 0.00 0.00 6.00 26.00 235.00 571.00 702.50 689.50 427.50 163.00 9.50 0.00 2830.00
1962 0.00 0.00 6.50 102.00 445.50 551.50 610.50 678.00 292.50 216.50 0.00 2.50 2905.50
1963 0.00 0.00 16.00 112.00 249.00 630.00 753.50 610.50 396.00 376.00 14.00 0.00 3157.00
1964 0.00 0.00 0.00 90.00 462.50 589.00 782.50 585.00 350.50 104.50 75.00 0.00 3039.00
1965 0.00 0.00 0.00 21.00 421.50 442.50 578.67 a 516.50 205.00 h 114.00 12.00 0.00 2106.17
1966 0.00 0.00 12.00 30.00 181.00 507.50 677.50 492.50 258.50 91.50 6.00 0.00 2256.50
1967 0.00 0.00 24.00 47.00 144.00 508.50 551.00 431.00 258.50 120.00 4.00 0.00 2088.00
1968 0.00 0.00 41.50 55.00 162.50 495.00 622.50 599.50 315.50 166.00 12.50 0.00 2470.00
1969 0.00 0.00 0.00 48.50 277.00 274.50 623.50 620.50 307.00 111.00 0.00 0.00 2262.00
1970 0.00 0.00 0.00 108.00 313.50 485.00 671.50 565.50 320.50 118.00 0.00 0.00 2582.00
1971 0.00 0.00 0.00 62.50 164.00 619.50 541.00 491.00 385.56 c 219.50 9.00 0.00 2492.06
1972 0.00 0.00 l 0.00 34.50 324.00 416.00 574.50 603.50 339.50 75.50 0.00 0.00 2367.50
1973 0.00 a 0.00 10.50 55.00 165.00 548.50 685.00 638.50 342.00 207.00 0.00 0.00 2651.50
1974 0.00 0.00 0.50 118.00 205.50 412.50 690.50 523.00 203.50 92.50 10.00 0.00 2256.00
1975 0.00 0.00 0.00 14.50 332.50 485.50 624.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 1456.50
1976 0.00 0.00 24.50 82.50 180.00 542.00 673.50 506.50 259.50 88.00 0.00 0.00 2356.50
1977 0.00 0.00 22.73 a 200.00 458.50 453.00 756.00 486.00 347.50 27.50 27.50 0.00 2778.73
1978 0.00 0.00 9.00 22.00 296.50 498.00 598.00 584.50 435.50 47.00 11.00 0.00 2501.50
1979 0.00 0.00 0.00 57.00 208.00 460.00 599.50 542.00 345.00 82.00 2.50 0.00 2296.00
1980 0.00 0.00 0.00 85.50 304.50 462.41 a 710.50 631.00 343.50 47.50 2.50 0.00 2587.41
1981 0.00 2.00 33.00 93.00 219.50 506.50 602.00 557.00 285.00 65.00 6.50 0.00 2369.50
1982 0.00 0.00 5.00 49.00 380.00 340.50 648.50 495.00 235.50 102.00 8.50 11.50 2275.50
1983 0.00 0.00 12.00 44.50 115.50 493.00 730.00 674.00 320.50 82.50 12.41 a 0.00 2484.41
1984 0.00 1.00 0.00 43.00 210.50 586.50 608.50 702.00 354.00 163.00 8.50 0.00 2677.00
1985 0.00 0.00 8.50 238.00 411.00 450.50 650.00 297.50 l 368.50 49.00 0.00 0.00 2175.50
1986 0.00 0.00 38.00 132.00 289.50 507.50 701.50 477.00 342.50 83.50 0.00 0.00 2571.50
1987 0.00 0.00 10.00 112.00 333.00 665.00 806.00 618.50 361.00 43.50 27.50 0.00 2976.50
1988 0.00 0.00 2.00 51.00 365.00 623.00 758.00 751.50 372.50 54.00 1.50 0.00 2978.50
1989 0.00 0.00 23.00 33.50 251.00 469.50 692.50 591.50 292.00 163.00 0.00 0.00 2516.00
1990 0.00 0.00 38.50 142.50 155.50 519.50 640.50 596.00 408.00 57.00 38.00 0.00 2595.50
1991 0.00 0.00 16.00 125.50 426.00 618.50 662.00 620.00 306.00 82.50 0.00 0.00 2856.50
1992 0.00 0.00 0.00 36.50 297.50 432.50 508.00 466.00 267.00 84.00 0.00 0.00 2091.50
1993 0.00 0.00 0.00 32.50 270.50 444.50 645.00 661.50 185.50 72.00 0.00 0.00 2311.50
1994 0.00 0.00 3.00 88.00 274.50 585.00 607.00 511.00 429.00 121.50 4.50 0.00 2623.50
1995 0.00 0.00 20.50 5.50 217.50 641.00 713.00 791.50 293.00 122.50 0.00 0.00 2804.50
1996 0.00 0.00 0.00 40.00 161.50 522.50 580.00 600.00 339.00 105.00 0.00 0.00 2348.00
1997 0.00 0.00 12.50 54.50 113.50 554.50 627.00 480.00 347.00 155.50 6.50 0.00 2351.00
1998 0.00 0.00 46.50 74.50 412.50 504.50 689.00 672.50 465.50 94.50 16.00 9.00 2984.50
1999 0.00 0.00 12.00 64.50 328.00 558.50 793.50 570.50 308.50 76.00 36.50 0.50 2748.50
2000 0.00 2.00 31.50 54.00 334.50 497.50 620.00 646.50 350.50 166.50 27.50 0.00 2730.50
2001 0.00 0.00 0.00 127.00 319.50 510.00 709.50 694.50 273.50 67.00 54.50 8.00 2763.50
2002 0.00 0.00 0.00 119.00 192.00 582.50 767.00 635.00 446.00 84.00 7.50 0.00 2833.00
2003 0.00 0.00 17.00 82.00 196.00 470.50 650.50 707.00 362.00 108.50 0.00 0.00 2593.50
2004 0.00 0.00 16.50 88.50 218.00 460.50 600.00 459.00 448.50 81.50 9.00 0.00 2381.50
2005 0.00 0.00 16.00 110.00 221.50 671.50 700.00 630.50 484.50 146.00 4.50 0.00 2984.50
2006 0.00 0.00 6.00 105.00 301.50 508.50 753.50 640.00 259.00 63.50 12.50 0.00 2649.50
2007 0.00 0.00 42.00 81.00 371.00 579.50 688.50 650.00 418.50 234.50 0.50 0.00 3065.50
2008 0.00 a 0.00 0.00 82.00 174.00 552.00 678.00 599.00 400.50 85.50 47.50 0.00 2618.50
2009 0.00 0.00 4.00 44.50 279.00 514.50 490.00 546.50 393.50 22.00 8.50 0.00 2302.50
2010 0.00 0.00 7.50 129.50 358.00 557.00 761.50 744.00 314.00 139.50 12.00 0.00 3023.00
2011 0.00 0.00 0.00 28.50 246.50 518.00 800.50 650.00 278.00 131.23 a 0.00 0.00 2652.73
2012 0.00 0.00 171.00 44.00 401.00 623.00 893.50 634.00 323.00 43.50 h 0.00 z 0.00 z 3089.50
Period of Record Statistics
MEAN 0.00 0.10 10.91 81.68 292.27 537.73 699.30 624.32 370.25 128.29 11.44 0.33 2748.98
S.D. 0.00 0.67 22.01 52.57 97.41 91.61 88.69 88.01 82.97 64.18 15.38 1.59 334.63
SKEW 0.00 8.32 4.48 0.94 0.30 0.38 0.44 -0.02 0.26 0.93 1.89 5.61 0.22
MAX 0.00 6.50 171.00 261.00 529.00 838.50 940.50 849.00 621.00 376.00 75.00 11.50 3604.91
MIN 0.00 0.00 0.00 1.00 103.50 274.50 490.00 431.00 185.50 18.00 0.00 0.00 2088.00
NO YRS 114 114 116 116 115 116 116 113 114 113 113 114 102