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
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 29.50 k 0.00
1954 31.50 52.00 98.00 332.00 436.50 753.50 847.85 a 867.50 706.00 480.00 76.00 21.50 4702.35
1955 11.00 24.00 150.50 283.45 a 511.50 632.50 935.00 909.91 d 717.50 440.00 132.50 26.00 4773.86
1956 9.00 33.00 79.05 a 219.50 446.50 717.50 871.50 847.00 655.50 435.07 b 182.14 b 177.50 4673.26
1957 38.50 36.00 58.00 400.50 577.00 804.50 872.50 836.48 a 777.00 324.43 b 177.00 58.38 a 4960.30
1958 2.07 a 10.00 3.00 211.00 489.00 625.50 939.00 849.50 627.00 372.00 192.50 9.00 4329.57
1959 8.00 19.00 63.00 270.50 559.50 718.00 851.47 a 896.42 a 718.50 501.00 171.00 30.50 4806.88
1960 15.50 a 18.50 41.00 358.00 488.50 722.00 823.00 882.00 703.00 401.00 144.11 b 7.00 4603.61
1961 0.00 b 55.00 136.40 a 0.00 z 0.00 z 479.00 h 643.00 i 881.00 400.00 n 0.00 z 197.40 e 15.50 f 1269.80
1962 28.13 d 34.00 51.50 g 224.48 a 410.00 h 532.00 g 797.45 b 823.71 c 630.50 467.50 74.00 10.50 3090.27
1963 23.50 0.50 150.00 257.07 a 421.00 705.50 851.98 a 845.50 567.00 398.50 172.50 0.00 a 4393.05
1964 15.00 0.50 133.50 210.50 487.00 719.00 798.00 770.00 659.00 324.00 234.00 104.00 4454.50
1965 27.00 28.50 26.50 154.00 530.00 0.00 z 802.12 c 818.50 717.93 a 386.00 163.00 25.00 3678.56
1966 36.00 12.00 107.50 173.50 414.50 643.00 880.50 818.50 674.50 417.00 144.00 40.00 4361.00
1967 46.50 33.50 109.50 285.00 334.50 589.00 829.00 786.50 569.50 432.50 93.00 55.50 4164.00
1968 1.50 0.00 131.00 191.00 473.50 736.50 870.50 919.00 661.50 466.50 175.50 23.50 4650.00
1969 6.50 0.00 32.00 257.00 468.00 741.50 888.50 825.50 648.50 442.00 73.00 14.00 4396.50
1970 10.85 a 11.41 a 21.70 a 224.50 558.00 e 743.00 645.00 h 844.75 e 610.50 f 467.21 c 157.24 a 43.83 b 3082.49
1971 1.19 e 50.30 a 39.00 g 183.00 e 447.20 d 757.22 c 565.00 l 667.00 f 721.11 c 553.35 a 150.00 b 115.00 f 2863.38
1972 73.48 d 18.00 95.00 263.00 412.50 594.00 886.00 851.50 688.39 b 390.50 155.89 b 83.38 b 4511.65
1973 27.38 a 8.30 a 111.17 b 281.50 492.38 a 791.50 835.45 a 869.00 778.39 b 485.84 b 185.77 d 83.00 4949.69
1974 106.36 b 40.78 e 158.62 a 328.50 527.00 d 699.64 b 872.00 830.50 689.50 294.50 a 153.50 i 34.74 b 4582.15
1975 47.53 a 11.00 l 103.52 c 152.22 c 458.59 b 342.00 p 620.00 i 921.70 c 714.44 c 516.67 a 216.50 f 16.50 m 2914.67
1976 11.00 120.50 184.34 c 297.86 b 443.41 c 476.50 j 834.62 e 758.95 c 467.50 h 209.50 k 14.00 i 4.50 p 2650.67
1977 0.00 f 58.07 a 93.00 h 264.50 k 538.07 c 693.89 c 961.50 908.19 d 769.80 e 341.52 a 192.00 f 55.00 4326.04
1978 3.00 2.00 36.50 f 226.50 379.50 678.00 e 785.13 e 908.00 689.44 c 290.00 f 203.79 a 57.50 f 3875.37
1979 25.83 d 2.00 84.45 b 206.54 d 474.30 a 664.29 b 839.50 860.25 a 730.50 401.34 c 252.00 42.92 e 4583.92
1980 9.82 a 23.63 b 67.17 d 268.00 539.00 716.25 b 913.31 e 705.00 f 786.21 a 387.50 90.00 h 36.50 g 3710.88
1981 1.55 a 0.00 w 54.50 k 340.86 a 447.00 866.00 931.50 809.50 683.00 417.50 115.00 g 14.39 c 4511.31
1982 16.02 a 19.00 65.00 152.14 b 514.82 c 695.89 b 866.45 a 814.55 b 611.50 363.50 207.12 d 82.00 h 4325.99
1983 4.13 a 8.08 b 80.60 a 168.50 462.00 678.00 906.48 b 860.00 696.00 422.12 a 105.58 d 41.13 e 4432.62
1984 0.00 b 34.22 d 22.50 139.29 b 511.00 742.76 a 803.00 847.50 630.00 520.28 a 114.31 a 85.25 a 4450.11
1985 27.50 29.50 65.21 b 308.00 526.45 c 702.69 d 826.09 d 827.00 700.86 a 531.65 a 354.50 37.95 b 4937.40
1986 12.50 23.50 103.00 196.50 474.00 775.00 958.50 834.00 669.00 518.00 208.00 44.00 4816.00
1987 8.00 0.00 a 69.50 153.50 543.00 787.00 958.50 920.00 737.00 247.00 203.00 40.00 4666.50
1988 9.82 a 41.50 100.00 237.00 339.00 i 722.50 912.00 915.00 659.50 207.50 k 107.00 i 18.50 j 3597.32
1989 22.50 l 91.00 f 133.41 c 154.00 l 290.50 k 877.00 590.50 k 868.50 497.50 j 278.50 m 178.00 j 1.00 n 1878.91
1990 34.50 j 89.50 i 17.00 q 284.00 521.50 497.50 i 622.00 j 876.50 373.50 l 244.00 o 104.00 l 47.50 p 1682.00
1991 17.00 k 62.50 i 109.50 k 286.61 b 650.50 501.50 j 987.00 619.00 i 497.00 j 221.00 i 100.50 l 56.00 j 1924.11
1992 4.00 l 19.00 k 75.00 287.07 a 0.00 z 663.62 a 987.50 849.00 520.50 i 234.00 j 148.00 l 18.50 i 2862.19
1993 32.00 l 7.50 29.40 b 234.31 a 351.00 m 794.00 568.00 m 509.00 m 549.50 i 168.50 r 131.50 j 10.00 n 1065.21
1994 7.50 l 28.00 a 115.50 255.00 j 296.00 k 812.00 627.00 k 822.50 477.50 i 186.00 k 203.50 j 36.00 m 1778.00
1995 6.50 l 8.00 i 91.00 k 174.50 k 395.00 i 727.00 634.00 k 885.00 480.00 j 354.50 j 90.00 r 14.00 u 1612.00
1996 6.50 n 21.00 l 58.50 l 300.00 a 304.00 j 503.00 j 553.00 k 561.00 i 477.50 j 332.50 j 85.00 m 28.50 o 300.00
1997 37.50 j 51.00 k 61.00 j 182.07 a 269.00 l 404.50 l 616.50 j 573.50 j 415.00 k 243.50 l 43.00 m 0.00 v 182.07
1998 54.00 n 36.00 m 93.50 l 352.50 b 307.50 m 491.00 j 672.50 i 452.50 o 523.00 i 248.50 n 95.50 n 79.50 o 352.50
1999 45.50 n 14.00 m 61.00 j 170.50 n 265.50 l 542.50 h 562.50 l 576.00 k 449.50 j 150.50 s 106.00 l 27.00 k 0.00
2000 18.50 l 40.00 j 95.00 h 121.50 k 385.00 j 542.50 i 557.00 j 658.00 h 422.50 k 304.00 l 46.00 m 3.00 t 0.00
2001 16.00 j 30.50 j 38.50 k 189.50 i 324.50 j 552.50 i 588.00 k 705.00 g 410.50 k 313.00 j 137.00 j 101.00 p 0.00
2002 76.00 n 54.00 k 39.00 q 276.50 j 339.00 l 563.50 k 721.50 i 594.00 l 412.50 n 325.00 k 42.50 r 0.00 p 0.00
2003 11.50 m 2.50 k 76.00 j 182.50 i 347.50 j 528.00 j 611.00 k 572.00 k 437.50 l 0.00 z 195.00 o 8.50 o 0.00
2004 23.00 m 3.00 k 58.00 j 94.50 n 500.00 k 445.50 n 586.50 l 614.00 i 524.50 i 238.00 m 124.50 l 65.50 n 0.00
2005 72.00 k 11.00 k 34.00 h 164.50 n 259.00 j 583.00 h 631.50 l 648.50 j 592.00 i 311.50 l 166.50 n 4.50 k 0.00
2006 34.00 n 2.50 s 29.50 s 102.50 s 28.00 z 344.50 q 314.50 s 620.00 l 398.50 l 270.00 n 146.50 l 58.50 l 0.00
2007 17.50 m 5.50 k 165.50 j 200.00 k 262.50 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00
2008 0.00 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
2009 0.00 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
2010 0.00 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
2011 0.00 35.50 66.00 385.50 572.50 827.00 961.00 912.95 a 743.50 470.34 b 214.00 82.00 5270.29
2012 28.42 a 42.00 227.91 d 260.00 598.50 730.00 1012.50 920.00 741.72 a 371.00 h 0.00 z 0.00 z 4561.05
Period of Record Statistics
MEAN 20.11 25.95 91.61 250.64 492.45 725.57 882.75 857.30 690.38 425.51 169.41 46.07 4631.23
S.D. 22.11 23.33 49.27 67.50 63.69 67.08 61.83 42.50 54.54 72.55 59.10 37.20 260.09
SKEW 2.08 1.79 0.48 0.25 -0.01 0.14 0.34 -0.19 -0.33 -0.38 0.69 1.69 0.49
MAX 106.36 120.50 227.91 400.50 650.50 877.00 1012.50 921.70 786.21 553.35 354.50 177.50 5270.29
MIN 0.00 0.00 3.00 139.29 334.50 589.00 785.13 758.95 567.00 247.00 73.00 0.00 4164.00
NO YRS 36 37 36 42 36 37 35 40 34 32 29 28 22