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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 400.50 612.50 556.50 367.50 0.52 a 4.00 0.00 1941.52
1949 0.00 0.00 0.00 68.00 i 213.00 534.31 a 653.00 550.54 d 180.00 104.50 0.00 0.00 2235.35
1950 0.00 0.00 0.00 0.00 132.50 429.00 462.00 376.00 228.10 a 105.00 1.50 0.00 1734.10
1951 0.00 b 0.00 b 0.00 30.50 318.50 298.00 535.50 409.00 177.50 72.50 0.00 0.00 1841.50
1952 0.00 b 0.00 0.00 125.36 b 180.00 468.00 611.00 478.00 250.50 4.00 0.00 0.00 2116.86
1953 0.00 0.00 0.00 9.31 a 168.36 b 449.00 551.00 576.50 275.50 145.00 19.00 0.00 2193.67
1954 0.00 0.00 a 0.00 24.50 88.00 466.50 568.50 429.00 181.50 43.00 1.00 0.00 a 1802.00
1955 0.00 a 0.00 0.00 48.50 253.50 430.86 a 761.80 d 695.50 269.00 69.50 0.00 0.00 2528.66
1956 0.00 0.00 0.00 0.00 d 146.50 444.44 c 473.50 491.50 167.50 120.00 29.00 0.00 a 1872.44
1957 0.00 c 0.00 0.00 96.50 147.25 a 430.00 625.68 a 490.12 b 218.79 a 41.00 0.00 0.00 2049.35
1958 0.00 a 0.00 0.00 36.50 142.00 266.00 516.00 526.50 289.00 70.55 b 3.50 0.00 a 1850.05
1959 0.00 0.00 0.00 7.50 311.11 c 491.50 550.00 683.03 a 328.50 26.50 0.00 a 0.00 d 2398.14
1960 0.00 0.00 0.00 36.50 168.50 296.00 478.50 506.00 277.00 45.97 b 0.00 0.00 1808.47
1961 0.00 0.00 0.00 8.00 107.00 399.00 522.00 526.00 290.50 82.50 5.50 0.00 1940.50
1962 0.00 0.00 0.00 47.00 289.50 368.00 473.50 455.50 147.50 140.50 0.00 1.00 1922.50
1963 0.00 0.00 8.00 38.50 156.00 481.00 633.50 490.50 259.50 264.50 1.00 0.00 2332.50
1964 0.00 0.00 0.00 37.00 333.00 428.00 632.00 425.00 231.00 67.50 29.50 0.00 2183.00
1965 0.00 0.00 a 0.00 12.00 265.50 379.00 499.00 506.50 195.50 88.50 2.00 0.00 1948.00
1966 0.00 0.00 1.50 15.00 146.00 488.00 686.00 524.50 262.00 55.00 0.00 a 0.00 2178.00
1967 0.00 0.00 3.50 17.00 111.50 409.00 504.50 400.50 244.66 a 55.50 0.00 0.00 1746.16
1968 0.00 0.00 8.50 21.50 86.00 417.50 544.50 503.00 293.50 134.50 0.00 0.00 2009.00
1969 0.00 0.00 0.00 23.00 206.00 263.00 579.00 659.00 261.00 86.50 0.00 0.00 2077.50
1970 0.00 0.00 0.00 69.50 210.00 544.00 640.00 570.50 309.83 a 94.50 0.00 0.00 2438.33
1971 0.00 0.00 0.00 11.00 95.50 540.50 460.00 471.00 325.00 153.00 4.00 0.00 a 2060.00
1972 0.00 0.00 c 0.00 a 9.00 314.50 373.00 547.50 530.50 255.00 48.00 0.00 0.00 2077.50
1973 0.00 0.00 0.00 52.00 62.50 507.50 648.50 619.00 304.00 159.00 0.00 0.00 2352.50
1974 0.00 0.00 0.00 56.00 143.00 342.00 626.00 511.50 119.00 58.56 d 17.50 0.00 1873.56
1975 0.00 0.00 0.00 z 3.50 308.00 438.00 678.00 533.50 160.00 74.50 17.50 0.00 2213.00
1976 0.00 0.00 0.00 59.50 134.50 490.00 34.50 z 493.50 226.50 58.50 0.00 0.00 a 1462.50
1977 0.00 0.00 0.00 96.96 b 408.50 366.00 661.50 405.50 255.00 21.50 4.00 0.00 2218.96
1978 0.00 0.00 0.00 5.69 a 254.50 366.00 461.90 a 514.50 299.50 26.50 0.00 b 0.00 a 1928.59
1979 0.00 0.00 0.00 d 16.03 a 112.50 368.79 a 554.38 a 445.50 0.00 z 43.00 0.00 0.00 1540.21
1980 0.00 0.00 0.00 34.50 260.50 381.50 617.93 a 574.50 214.00 38.00 0.00 0.00 b 2120.93
1981 0.00 0.00 a 0.00 z 12.22 c 0.00 z 0.00 z 0.00 z 550.77 a 207.41 a 8.00 6.50 0.00 784.90
1982 0.00 0.00 0.00 25.50 314.00 244.50 596.50 417.50 184.00 63.50 0.00 0.00 1845.50
1983 0.00 0.00 0.00 16.00 53.00 403.50 688.50 638.50 289.00 57.50 1.00 0.00 2147.00
1984 0.00 0.00 0.00 16.50 94.00 422.00 492.00 532.50 189.00 64.00 0.00 0.00 1810.00
1985 0.00 0.00 0.00 99.50 233.50 293.50 472.00 383.00 167.00 m 0.00 z 0.00 z 0.00 z 1481.50
1986 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 323.00 461.50 323.00 201.00 36.00 0.00 b 0.00 1344.50
1987 0.00 0.00 1.00 75.00 205.00 0.00 z 585.38 a 0.00 z 0.00 z 8.50 0.00 z 0.00 874.88
1988 0.00 a 0.00 0.00 0.00 z 234.00 486.50 596.00 538.50 203.00 20.00 0.00 z 0.00 z 2078.00
1989 0.00 0.00 2.00 17.00 160.50 317.50 557.50 373.00 h 0.00 z 0.00 z 0.00 0.00 1054.50
1990 0.00 0.00 3.50 123.50 87.00 361.00 458.50 234.50 n 222.50 14.50 13.50 0.00 1284.00
1991 0.00 z 0.00 a 0.00 0.00 z 328.48 e 466.00 486.50 281.50 n 191.00 9.00 0.00 0.00 1480.98
1992 0.00 0.00 z 0.00 9.00 173.50 281.00 334.50 140.00 s 156.50 37.50 0.00 0.00 992.00
1993 0.00 0.00 0.00 3.50 149.00 303.00 499.50 167.00 r 87.00 10.00 0.00 0.00 a 1052.00
1994 0.00 0.00 0.00 25.00 178.50 430.00 473.00 384.00 266.50 4.00 q 0.00 0.00 1757.00
1995 0.00 0.00 1.00 0.00 105.00 517.50 508.50 576.00 108.50 q 5.00 t 0.00 0.00 1708.00
1996 0.00 0.00 0.00 5.50 105.50 346.50 414.00 461.50 148.00 t 14.00 i 0.00 0.00 1333.00
1997 0.00 0.00 0.00 14.50 14.00 i 436.00 483.50 338.00 106.00 q 21.50 r 0.00 0.00 1272.00
1998 0.00 0.00 11.00 20.00 257.00 360.50 516.50 537.00 114.50 r 5.50 s 0.00 0.00 1702.00
1999 0.00 0.00 2.50 20.00 160.50 g 411.00 613.00 429.02 c 164.00 h 5.00 w 0.60 e 0.00 1476.12
2000 0.00 0.00 4.50 13.00 150.50 g 302.00 f 441.50 f 477.50 119.00 i 25.50 w 0.00 g 0.00 495.00
2001 0.00 0.00 0.00 51.35 d 206.84 b 345.50 j 553.35 a 621.79 e 179.50 f 19.00 n 1.50 i 0.00 1433.33
2002 0.00 0.00 0.00 60.50 89.00 296.50 l 678.00 511.50 138.00 l 38.50 0.00 0.00 1377.50
2003 0.00 0.00 1.50 34.00 99.00 i 242.50 g 536.00 428.00 g 173.50 f 8.00 n 0.00 f 0.00 571.50
2004 0.00 0.00 0.00 i 24.00 h 65.00 j 325.00 478.00 274.00 i 287.50 f 35.50 h 0.00 g 0.00 f 803.00
2005 0.00 0.00 0.00 g 35.50 f 129.00 h 558.00 614.50 492.00 f 332.50 104.50 k 0.00 e 0.00 1505.00
2006 0.00 0.00 2.14 b 15.56 c 213.50 395.00 682.00 488.50 210.50 18.00 i 0.00 0.00 2007.19
2007 0.00 0.00 12.29 b 36.00 234.00 475.86 a 575.88 e 570.00 251.00 f 148.00 g 0.00 0.00 e 1904.04
2008 0.00 a 0.00 0.00 z 30.00 h 80.50 h 310.50 i 545.00 514.50 210.50 g 24.00 h 8.50 0.00 1068.00
2009 0.00 i 0.00 t 0.00 b 26.00 136.00 352.00 429.50 429.00 301.50 1.00 0.00 0.00 b 1675.00
2010 0.00 c 0.00 6.00 g 63.00 280.50 389.50 619.50 627.00 148.50 45.00 0.00 0.00 a 2173.00
2011 0.00 0.00 c 0.00 h 0.50 p 5.50 z 29.50 z 359.50 p 574.53 a 193.97 a 89.90 a 0.00 e 0.00 h 858.40
2012 0.00 z 0.00 z 35.50 n 1.00 x 273.32 a 477.00 680.45 a 506.50 216.92 d 17.00 h 0.00 z 0.00 z 2154.19
Period of Record Statistics
MEAN 0.00 0.00 1.14 33.27 192.31 405.78 557.34 506.40 233.96 64.60 2.97 0.02 2045.33
S.D. 0.00 0.00 2.73 30.69 83.86 77.43 83.94 82.26 60.31 51.05 6.79 0.13 215.10
SKEW 0.00 0.00 2.82 1.40 0.40 -0.08 0.01 0.06 -0.08 1.49 2.71 7.55 0.50
MAX 0.00 0.00 12.29 125.36 408.50 558.00 761.80 695.50 367.50 264.50 29.50 1.00 2528.66
MIN 0.00 0.00 0.00 0.00 53.00 244.50 334.50 323.00 87.00 0.52 0.00 0.00 1734.10
NO YRS 60 60 55 55 54 57 61 56 49 48 57 60 31