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
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 m 0.00 0.00 u 74.50 s 436.50 564.00 642.50 620.00 214.00 37.50 1.00 0.00 2515.50
1897 0.00 0.00 0.00 54.00 202.00 413.00 736.00 475.33 a 475.50 146.00 0.00 0.00 2501.83
1898 0.00 0.00 2.00 18.00 237.50 535.00 683.50 0.00 z 352.00 h 16.50 i 3.50 0.00 1479.50
1899 0.00 0.00 0.00 129.00 234.00 508.50 630.00 616.00 244.50 146.50 4.00 0.00 2512.50
1900 0.00 0.00 0.00 93.50 0.00 z 0.00 z 0.00 z 396.50 n 356.90 a 193.00 4.00 0.00 647.40
1901 0.00 a 0.00 0.00 96.67 c 233.02 a 542.50 770.87 a 598.50 294.11 b 116.50 3.00 0.00 a 2655.16
1902 0.00 0.00 2.00 36.00 278.00 368.00 663.00 484.50 111.50 o 47.50 9.50 0.00 1888.50
1903 0.00 0.00 11.00 22.00 259.00 391.00 596.50 429.23 e 271.55 a 23.00 q 0.00 j 0.00 c 1980.28
1904 0.00 0.00 a 0.00 a 14.48 a 228.37 a 414.83 a 532.50 0.00 z 0.00 z 0.00 z 1.55 a 0.00 1191.73
1905 0.00 a 0.00 12.50 33.50 153.00 437.31 d 606.50 603.00 317.00 122.00 0.00 0.00 2284.81
1906 0.00 0.00 0.00 62.50 252.00 484.00 615.00 697.00 467.50 77.50 0.00 0.00 2655.50
1907 0.00 0.00 1.00 6.00 81.00 f 458.50 609.00 528.00 317.50 70.00 0.50 0.00 1990.50
1908 0.00 0.00 0.00 90.00 291.00 459.31 a 622.50 534.00 479.50 37.00 g 1.50 f 0.00 c 2476.31
1909 0.00 0.00 0.00 0.00 181.50 486.50 627.50 649.50 282.00 61.50 21.50 0.00 2310.00
1910 0.00 0.00 a 90.33 b 69.00 111.50 558.00 698.50 589.00 250.50 164.50 0.00 0.00 2531.33
1911 0.00 0.00 0.00 44.00 397.50 608.50 622.00 510.98 a 283.00 43.29 b 0.00 0.00 2509.28
1912 0.00 0.00 0.00 21.43 b 198.83 b 407.59 a 616.50 442.00 367.00 95.07 a 0.00 0.00 k 2148.41
1913 0.00 0.00 0.00 b 90.54 b 121.50 l 548.50 591.67 b 572.00 332.50 106.00 h 6.92 d 0.00 2142.13
1914 0.00 b 0.00 0.00 35.17 a 297.00 421.00 730.00 585.50 339.50 194.00 14.50 0.00 a 2616.67
1915 0.00 0.00 0.00 208.50 115.45 b 342.00 528.00 417.50 352.50 76.50 5.00 0.00 2045.45
1916 0.00 0.00 0.00 16.00 211.50 351.50 863.00 662.00 304.00 84.22 a 4.50 0.00 2496.72
1917 0.00 0.00 0.00 32.00 134.50 385.50 726.50 526.50 249.00 12.50 0.00 0.00 2066.50
1918 0.00 0.00 4.00 8.00 323.50 463.50 602.00 647.50 163.50 101.00 10.50 0.00 2323.50
1919 0.00 0.00 0.00 29.50 194.00 650.50 704.50 542.50 400.50 86.00 1.00 0.00 2608.50
1920 0.00 0.00 5.50 13.00 209.00 564.00 581.00 549.50 418.00 241.50 0.00 0.00 2581.50
1921 0.00 0.00 15.50 137.00 361.00 668.00 890.50 633.50 475.00 58.50 0.00 0.00 3239.00
1922 0.00 a 0.00 0.00 33.50 418.00 547.00 603.00 618.50 392.00 125.50 8.00 0.00 2745.50
1923 0.00 0.00 0.00 a 43.89 c 155.55 c 589.50 666.00 341.00 g 288.50 71.50 0.00 a 0.00 1814.94
1924 0.00 0.00 0.00 13.50 50.00 295.20 e 533.50 509.00 213.50 145.00 10.50 0.00 1770.20
1925 0.00 a 0.00 9.00 87.50 137.29 c 600.00 634.50 566.00 413.00 12.50 0.56 c 0.00 c 2460.34
1926 0.00 d 0.00 0.00 e 15.60 e 238.38 b 285.00 c 557.48 a 570.50 251.79 b 50.00 0.00 a 0.00 a 1968.75
1927 0.00 a 0.00 4.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 4.50
1928 0.00 0.00 e 3.00 m 18.00 261.43 a 341.00 634.50 591.50 261.50 157.58 a 3.50 0.00 2269.02
1929 0.00 0.00 0.00 66.50 183.00 428.00 655.00 535.78 a 339.50 86.05 b 0.00 0.00 2293.83
1930 0.00 a 0.00 3.50 77.00 295.02 a 557.50 719.50 639.50 404.50 138.00 26.90 a 0.00 2861.41
1931 0.00 0.00 0.00 90.50 215.50 411.00 j 789.98 a 576.50 530.00 163.00 31.50 0.00 2396.98
1932 0.00 0.00 a 0.00 28.00 238.00 562.50 675.59 b 632.50 294.50 64.07 a 0.00 0.00 2495.15
1933 0.00 0.00 0.00 27.50 295.02 a 739.50 728.50 552.00 568.39 b 72.00 16.00 0.00 a 2998.91
1934 0.00 0.00 0.00 50.00 455.18 a 639.00 706.00 514.50 298.50 153.00 7.00 0.00 2823.18
1935 0.00 a 0.00 a 0.00 45.00 173.50 392.50 831.83 a 627.00 346.00 101.50 0.00 0.00 2517.33
1936 0.00 0.00 1.00 21.50 420.10 b 471.00 802.50 712.00 452.00 79.00 0.00 a 0.00 2959.10
1937 0.00 0.00 0.00 14.50 302.50 514.50 734.00 769.00 367.50 72.50 0.00 0.00 a 2774.50
1938 0.00 0.00 27.50 110.00 251.62 a 485.00 636.00 703.00 363.00 193.00 44.50 0.00 2813.62
1939 0.00 0.00 17.50 85.50 386.50 539.50 741.50 606.00 446.00 89.00 1.00 0.00 2912.50
1940 0.00 a 0.00 0.00 19.50 191.00 490.50 698.50 554.00 384.50 102.00 0.00 0.00 a 2440.00
1941 0.00 0.00 0.00 135.00 393.50 552.00 705.00 627.00 420.00 103.00 17.50 0.00 2953.00
1942 0.00 b 0.00 0.00 175.00 250.00 473.50 646.50 576.08 a 353.50 148.05 b 5.00 0.00 a 2627.64
1943 0.00 b 0.00 23.77 a 33.00 209.50 586.00 710.50 628.00 232.76 a 123.00 0.00 0.00 2546.53
1944 0.00 0.00 0.00 1.50 381.50 586.00 630.50 648.50 360.00 93.00 35.00 0.00 2736.00
1945 0.00 0.00 a 44.00 74.50 151.00 378.50 568.00 597.50 314.50 57.00 0.00 0.00 2185.00
1946 0.00 a 0.00 27.50 96.00 158.62 a 447.50 641.50 516.00 294.11 b 138.00 0.00 0.00 2319.22
1947 0.00 a 0.00 0.00 20.00 111.00 399.50 636.53 a 805.00 407.50 261.00 0.00 0.00 a 2640.53
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 471.00 673.50 633.50 431.00 45.00 11.00 0.00 a 2265.00
1949 0.00 0.00 0.00 62.50 296.00 606.00 728.00 621.50 223.45 a 178.50 0.50 0.00 2716.45
1950 0.00 0.00 0.00 2.50 215.00 510.50 539.50 453.50 139.50 r 168.00 9.50 0.00 1898.50
1951 0.00 0.00 0.00 a 38.50 345.00 381.00 628.78 a 461.38 a 221.50 82.00 0.00 0.00 2158.17
1952 0.00 0.00 0.00 a 119.00 185.50 543.50 589.50 f 615.00 321.43 b 23.50 0.50 0.00 1808.43
1953 0.00 0.00 c 0.52 a 18.50 262.00 580.00 674.50 635.00 337.50 174.50 22.00 0.00 a 2704.52
1954 0.00 0.00 0.00 a 67.50 169.50 590.50 675.00 571.00 318.00 89.00 10.00 0.00 2490.50
1955 0.00 0.00 0.00 130.50 353.50 510.00 846.82 a 769.00 403.00 113.00 0.00 0.00 3125.82
1956 0.00 0.00 0.00 5.50 232.00 595.00 201.50 t 591.50 249.00 174.00 34.50 0.00 b 1881.50
1957 0.00 0.00 0.00 149.00 216.50 512.14 b 704.45 b 620.50 291.50 49.50 0.00 0.00 2543.59
1958 0.00 0.00 0.00 64.00 234.10 b 391.50 622.50 659.50 358.50 119.50 10.00 0.00 2459.60
1959 0.00 0.00 0.00 26.50 356.50 c 546.72 a 667.65 d 744.00 387.00 35.50 0.00 0.00 2763.87
1960 0.00 0.00 0.00 115.50 233.50 438.50 601.00 630.50 380.50 90.50 3.50 0.00 2493.50
1961 0.00 0.00 a 4.50 16.03 a 198.00 518.00 648.00 619.50 363.00 137.00 6.00 0.00 a 2510.03
1962 0.00 0.00 0.00 74.50 383.50 472.00 551.00 583.66 b 237.00 152.50 0.00 2.50 2456.66
1963 0.00 0.00 9.00 75.00 195.00 554.00 674.50 540.50 329.50 266.50 0.50 0.00 2644.50
1964 0.00 0.00 0.00 a 78.00 390.50 519.50 705.00 511.00 288.00 72.00 40.00 0.00 2604.00
1965 0.00 0.00 0.00 19.50 392.00 454.00 583.00 497.55 a 236.00 94.50 5.00 0.00 a 2281.55
1966 0.00 0.00 8.00 10.50 185.00 542.50 736.50 519.50 287.00 90.50 0.00 0.00 2379.50
1967 0.00 0.00 23.00 36.00 139.00 502.50 547.50 439.00 284.00 98.00 4.00 0.00 2073.00
1968 0.00 0.00 27.50 62.00 162.00 487.00 617.00 575.00 337.50 152.50 0.00 0.00 2420.50
1969 0.00 0.00 0.00 45.50 273.50 278.50 617.00 629.50 292.50 93.50 0.00 0.00 2230.00
1970 0.00 0.00 0.00 120.00 290.50 554.00 715.00 626.50 376.50 122.00 0.00 0.00 2804.50
1971 0.00 0.00 a 0.00 56.00 165.33 a 619.00 567.50 545.00 422.00 224.50 9.50 0.00 2608.83
1972 0.00 0.00 0.00 29.00 358.00 463.97 a 611.73 a 599.00 313.00 77.00 f 0.00 z 0.00 2374.70
1973 0.00 0.00 0.00 47.50 150.00 582.00 0.00 z 678.50 0.00 z 234.50 0.00 0.00 1692.50
1974 0.00 0.00 0.00 115.00 205.00 430.50 717.50 569.00 250.00 105.50 10.50 0.00 2403.00
1975 0.00 0.00 0.00 15.00 382.50 511.00 696.00 618.00 203.00 161.00 45.50 0.00 2632.00
1976 0.00 0.00 6.50 96.00 217.50 589.00 714.50 584.00 333.00 85.00 0.00 0.00 2625.50
1977 0.00 0.00 7.00 174.50 471.00 432.00 739.00 493.00 322.50 25.50 9.50 0.00 2674.00
1978 0.00 0.00 0.00 19.00 294.00 454.00 561.50 0.00 z 406.03 a 47.00 12.00 0.00 1793.53
1979 0.00 0.00 0.00 56.00 161.00 444.00 639.00 505.50 351.50 59.00 4.50 0.00 2220.50
1980 0.00 0.00 0.00 82.50 323.00 447.50 688.50 600.00 288.00 52.00 4.00 0.00 2485.50
1981 0.00 0.00 14.50 56.50 197.50 494.50 626.00 598.00 263.50 25.00 7.50 0.00 2283.00
1982 0.00 0.00 0.00 38.00 363.00 315.00 660.00 510.50 249.00 85.50 1.50 4.00 2226.50
1983 0.00 0.00 a 2.50 43.50 103.00 491.50 766.00 709.00 355.50 98.00 3.00 0.00 a 2572.00
1984 0.00 0.00 0.00 39.00 169.00 539.50 605.50 644.50 298.00 114.50 2.50 0.00 2412.50
1985 0.00 0.00 3.00 170.00 365.00 407.59 a 628.00 522.00 336.00 52.50 0.00 0.00 2484.09
1986 0.00 0.00 33.00 116.50 301.50 490.00 680.50 491.00 319.50 69.50 0.00 0.00 2501.50
1987 0.00 0.00 4.00 118.50 319.50 598.00 752.00 592.50 354.50 31.50 16.50 0.00 2787.00
1988 0.00 0.00 0.00 30.50 343.00 606.50 738.00 719.50 352.50 51.50 0.00 0.00 2841.50
1989 0.00 0.00 11.00 34.00 237.00 439.50 671.50 607.00 294.50 133.50 0.00 0.00 2428.00
1990 0.00 0.00 21.50 140.00 134.00 473.50 614.00 575.50 386.50 47.50 30.00 0.00 2422.50
1991 0.00 0.00 6.50 111.00 400.00 587.00 632.00 605.00 281.00 75.00 0.00 0.00 2697.50
1992 0.00 0.00 0.00 35.00 264.00 389.00 471.50 462.50 261.00 86.50 0.00 0.00 1969.50
1993 0.00 0.00 0.00 17.50 220.50 383.00 601.00 601.00 157.00 53.50 0.00 0.00 2033.50
1994 0.00 0.00 3.50 48.00 252.50 550.00 584.50 490.00 426.50 102.00 2.50 0.00 2459.50
1995 0.00 0.00 13.50 0.00 192.00 607.24 a 683.00 695.43 a 261.00 105.50 0.00 0.00 2557.67
1996 0.00 0.00 0.00 36.50 147.00 484.00 543.50 603.00 329.50 83.50 0.00 0.00 2227.00
1997 0.00 0.00 0.00 46.50 90.00 532.00 599.50 465.50 365.50 152.50 5.50 0.00 2257.00
1998 0.00 0.00 38.50 44.50 407.00 466.50 669.00 633.00 468.00 74.00 10.00 3.50 2814.00
1999 0.00 0.00 11.50 62.00 303.00 512.00 754.00 533.50 283.50 57.00 33.00 0.00 2549.50
2000 0.00 0.00 22.00 37.50 290.00 441.00 587.50 576.50 265.18 b 105.40 a 0.00 z 0.00 c 2325.08
2001 0.00 0.00 0.00 85.50 272.00 459.50 675.00 676.00 234.83 a 50.50 24.00 5.50 2482.83
2002 0.00 0.00 0.00 93.00 149.50 517.00 742.50 572.00 387.00 50.50 1.50 0.00 2513.00
2003 0.00 0.00 4.50 59.50 170.00 407.00 601.00 649.50 321.50 75.50 0.00 0.00 2288.50
2004 0.00 0.00 6.50 63.50 168.00 381.00 541.00 390.50 412.50 48.00 0.00 0.00 2011.00
2005 0.00 0.00 7.50 66.00 174.50 604.50 647.50 599.00 408.50 132.50 2.50 0.00 2642.50
2006 0.00 0.00 5.00 90.00 274.50 486.00 754.00 611.00 252.50 49.50 8.00 0.00 2530.50
2007 0.00 0.00 32.00 70.00 323.50 538.00 642.00 596.00 363.50 185.50 0.00 0.00 2750.50
2008 0.00 0.00 0.00 65.50 128.50 458.50 614.50 531.50 336.00 68.00 26.50 0.00 2229.00
2009 0.00 0.00 0.00 31.00 222.50 450.50 472.50 518.00 363.50 11.50 7.00 0.00 2076.50
2010 0.00 0.00 5.00 114.50 323.00 509.50 701.00 695.50 238.00 81.00 1.00 0.00 2668.50
2011 0.00 a 0.00 a 0.00 a 18.00 183.00 467.00 749.50 625.00 249.50 120.50 0.00 0.00 2412.50
2012 0.00 0.00 132.00 31.50 363.00 574.50 827.50 611.00 300.00 a 29.50 i 0.00 z 0.00 z 2839.50
Period of Record Statistics
MEAN 0.00 0.00 6.72 59.49 251.32 492.31 659.84 585.93 330.36 101.52 6.60 0.13 2504.46
S.D. 0.00 0.00 16.94 43.85 91.91 85.89 79.04 77.47 76.23 54.53 10.50 0.74 266.20
SKEW 0.00 0.00 4.92 0.98 0.34 -0.12 0.33 0.06 0.39 0.84 2.04 5.69 -0.10
MAX 0.00 0.00 132.00 208.50 471.00 739.50 890.50 805.00 568.39 266.50 45.50 5.50 3239.00
MIN 0.00 0.00 0.00 0.00 50.00 278.50 471.50 390.50 157.00 11.50 0.00 0.00 1770.20
NO YRS 115 116 114 114 112 114 112 111 111 109 111 115 94