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 201304
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
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 13.00 0.00 13.00
1955 0.00 0.00 a 0.00 154.00 431.50 512.68 b 901.07 a 821.50 a 334.62 d 119.35 a 0.00 0.00 g 3274.71
1956 0.00 0.00 b 0.00 d 12.93 a 350.00 461.00 l 597.00 663.00 346.67 c 269.38 b 6.00 0.00 2244.98
1957 0.00 0.00 0.00 136.20 e 247.48 a 555.60 e 880.92 a 620.00 c 300.52 a 77.50 a 0.00 b 0.00 2818.22
1958 0.00 a 0.00 a 0.00 66.43 b 368.00 454.00 585.26 b 704.00 428.04 b 117.00 h 0.00 k 0.00 2605.72
1959 0.00 a 0.00 a 0.00 a 65.17 a 378.20 a 644.48 a 689.00 765.00 375.00 31.00 0.00 0.00 2947.86
1960 0.00 0.00 0.00 91.00 290.50 486.72 a 676.00 681.00 386.00 121.00 8.50 0.00 2740.72
1961 0.00 0.00 2.50 19.00 209.50 570.50 650.00 656.00 325.00 142.00 0.00 e 0.00 2574.50
1962 0.00 b 0.00 0.00 63.00 l 427.50 544.00 620.50 634.00 274.50 183.00 0.00 10.00 2693.50
1963 0.00 0.00 42.00 99.00 291.00 650.50 699.00 593.50 446.00 370.00 3.50 0.00 3194.50
1964 0.00 0.00 0.00 76.00 460.00 587.00 788.00 555.00 392.50 123.50 64.50 0.00 3046.50
1965 0.00 c 0.00 0.00 z 0.00 z 285.50 f 579.00 707.00 590.50 198.60 e 0.00 z 0.00 l 0.00 2075.10
1966 0.00 z 0.00 z 0.00 z 0.00 z 226.50 m 488.50 h 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
1967 0.00 z 0.00 z 0.00 z 31.00 h 130.50 468.00 553.50 459.00 235.34 a 106.00 k 0.00 e 0.00 c 1846.34
1968 0.00 0.00 23.50 46.50 121.00 516.50 606.00 556.50 295.50 131.23 a 4.00 0.00 2300.73
1969 0.00 0.00 0.00 49.50 262.50 324.00 672.00 609.00 311.00 82.00 2.50 0.00 2312.50
1970 0.00 0.00 0.00 105.00 305.00 586.50 677.50 582.00 313.00 94.00 0.00 0.00 2663.00
1971 0.00 0.00 0.00 55.50 175.00 635.50 516.50 534.00 321.00 192.00 2.50 0.00 2432.00
1972 0.00 0.00 0.00 13.00 333.50 453.50 557.00 536.50 265.00 68.50 0.00 0.00 2227.00
1973 0.00 0.00 0.00 36.50 214.00 570.00 656.00 658.00 321.50 173.50 0.00 0.00 2629.50
1974 0.00 0.00 0.00 74.00 192.00 479.00 769.50 545.50 241.00 116.50 7.50 0.00 2425.00
1975 0.00 a 0.00 a 0.00 4.50 367.50 508.00 734.50 664.00 245.00 177.00 43.50 0.00 2744.00
1976 0.00 0.00 7.23 a 97.00 238.00 557.50 711.50 625.50 321.50 100.50 0.00 0.00 2658.73
1977 0.00 z 0.00 7.50 193.00 502.50 546.00 0.00 z 531.00 409.00 25.50 12.50 0.00 2227.00
1978 0.00 0.00 26.00 30.00 374.14 b 574.00 663.50 638.50 536.00 92.50 19.00 0.00 2953.64
1979 0.00 0.00 0.00 37.50 285.09 c 578.50 680.50 588.00 425.50 69.00 0.00 0.00 a 2664.09
1980 0.00 0.00 0.00 b 114.83 a 349.50 602.50 740.50 636.50 413.50 74.00 9.50 0.00 2940.83
1981 0.00 g 2.59 a 18.50 135.00 a 269.50 614.50 707.50 566.00 344.00 59.00 28.80 e 0.00 2745.39
1982 0.00 a 0.00 a 4.00 66.50 370.00 434.00 739.00 612.00 342.50 110.00 0.50 3.50 2682.00
1983 0.00 b 0.00 10.00 32.00 205.00 550.50 825.50 823.50 453.50 87.66 b 20.00 0.00 a 3007.66
1984 0.00 0.00 0.00 22.50 287.00 597.50 706.50 689.50 352.00 174.50 2.78 c 0.00 a 2832.28
1985 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 507.50 658.00 522.50 382.50 62.00 0.00 a 0.00 2132.50
1986 0.00 0.00 46.00 97.00 337.50 653.50 760.50 506.00 379.50 0.00 z 0.00 z 0.00 z 2780.00
1987 0.00 z 0.00 z 0.00 z 0.00 z 534.50 683.28 a 804.97 a 569.00 387.00 48.50 19.50 0.00 3046.74
1988 0.00 0.00 3.50 67.50 498.00 740.50 752.50 758.50 441.50 52.00 0.00 0.00 3314.00
1989 0.00 0.00 22.00 97.50 334.00 559.50 765.00 662.00 344.50 162.50 0.00 0.00 2947.00
1990 0.00 0.00 15.00 140.50 239.50 639.00 660.00 652.00 462.00 90.00 30.00 0.00 2928.00
1991 0.00 0.00 9.00 113.00 440.00 710.00 703.50 650.50 363.00 111.00 0.00 0.00 3100.00
1992 0.00 0.00 0.00 51.50 339.00 524.50 488.50 489.50 342.00 124.50 0.00 0.00 2359.50
1993 0.00 0.00 0.00 30.50 263.00 476.50 663.50 637.50 217.50 112.50 0.00 0.00 2401.00
1994 0.00 0.00 1.50 101.00 406.50 624.00 600.50 535.50 442.50 137.00 5.00 0.00 2853.50
1995 0.00 0.00 5.50 1.50 216.50 602.00 723.00 777.00 330.00 116.50 0.00 0.00 2772.00
1996 0.00 0.00 0.00 31.50 210.50 601.00 628.50 594.50 307.50 131.50 0.00 0.00 2505.00
1997 0.00 0.00 4.00 39.00 176.00 644.50 690.50 588.50 421.00 214.50 0.00 0.00 a 2778.00
1998 0.00 0.00 31.00 87.50 478.00 162.50 x 754.50 0.00 z 501.50 83.50 3.10 a 2.50 1941.60
1999 0.00 0.00 10.50 30.00 a 317.00 539.00 786.76 b 585.00 307.00 80.00 34.00 0.00 2689.26
2000 0.00 0.00 37.50 75.00 356.00 484.82 b 640.00 612.00 357.00 149.00 10.50 0.00 b 2721.82
2001 0.00 0.00 0.00 92.00 306.50 561.43 b 763.50 664.50 293.50 76.50 53.50 2.50 2813.93
2002 0.00 0.00 0.00 0.00 z 0.00 z 0.00 z 786.50 573.50 395.00 55.50 0.00 0.00 1810.50
2003 0.00 0.00 12.50 115.50 198.00 489.50 651.50 680.81 e 320.40 e 143.50 0.00 0.00 2611.71
2004 0.00 l 0.00 16.00 72.50 262.50 355.50 f 584.50 423.50 452.40 e 88.00 5.50 0.00 1904.90
2005 0.00 a 0.00 8.00 h 114.00 227.00 516.50 g 684.00 561.50 303.00 g 150.00 7.00 0.00 b 1743.50
2006 0.00 k 0.00 y 0.00 z 142.50 305.00 543.50 744.00 633.50 205.00 f 97.50 9.00 0.00 2475.00
2007 0.00 a 0.00 e 31.00 e 102.50 433.50 483.00 f 692.00 504.00 f 256.00 i 164.00 0.00 0.00 c 1423.00
2008 0.00 a 0.00 i 0.00 28.00 138.00 g 513.50 666.00 453.00 f 347.50 85.00 38.00 0.00 c 1678.00
2009 0.00 e 0.00 m 1.50 45.50 196.50 g 348.50 h 0.00 z 0.00 z 267.50 g 5.50 6.00 0.00 b 58.50
2010 0.00 e 0.00 m 9.50 f 114.00 308.00 539.40 e 549.00 f 378.00 m 250.50 f 131.50 7.20 e 0.00 1100.10
2011 0.00 i 0.00 c 0.00 m 23.57 b 242.66 b 482.88 d 797.22 a 503.00 f 216.00 h 135.76 b 0.00 g 0.00 c 1682.09
2012 0.00 n 0.00 b 97.17 e 80.40 e 394.98 b 628.20 e 810.65 a 506.00 g 263.50 g 89.12 c 8.50 j 0.00 d 2100.53
2013 0.00 m 0.00 b 0.00 f 0.00 z 0.00 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 0.05 9.90 73.06 312.68 558.57 695.76 616.32 354.96 116.25 9.00 0.33 2731.14
S.D. 0.00 0.36 17.69 43.67 98.31 76.54 84.78 83.86 72.74 60.90 14.62 1.47 260.08
SKEW 0.00 6.93 2.92 0.41 0.25 -0.21 -0.05 0.39 0.13 1.55 2.12 5.53 0.02
MAX 0.00 2.59 97.17 193.00 534.50 740.50 901.07 823.50 536.00 370.00 64.50 10.00 3314.00
MIN 0.00 0.00 0.00 1.50 121.00 324.00 488.50 423.50 198.60 5.50 0.00 0.00 2227.00
NO YRS 48 51 49 51 52 50 54 50 50 53 53 56 35