date! ,

Monthly Total Growing Degree Days

(a vali)

Base Temperature = 50 F

File last updated on Apr 4, 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 522.50 166.50 99.41 b 0.00 0.00 788.41
1935 0.00 0.00 a 0.00 6.00 129.00 312.00 732.00 489.50 148.00 48.50 0.00 0.00 1865.00
1936 0.00 a 0.00 0.00 a 2.50 298.50 398.50 761.05 a 400.50 166.03 a 21.70 a 0.00 k 0.00 2048.78
1937 0.00 0.00 b 0.00 0.00 248.00 325.00 m 608.63 a 548.00 271.00 37.00 0.00 z 0.00 z 1712.63
1938 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 388.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 c 0.00 388.00
1939 0.00 0.00 0.00 f 31.50 g 257.82 a 318.10 a 709.50 622.50 283.97 a 12.92 a 0.00 e 0.00 b 2204.80
1940 0.00 b 0.00 b 0.00 a 3.62 a 204.60 a 350.69 a 626.50 570.50 387.86 b 85.25 a 0.00 0.00 a 2229.02
1941 0.00 a 0.00 0.00 e 45.50 269.18 a 482.00 695.00 551.00 241.00 22.50 0.00 a 0.00 2306.18
1942 0.00 0.00 a 0.00 a 59.48 a 109.00 339.00 549.00 504.00 232.50 137.00 0.00 0.00 1929.98
1943 0.00 a 0.00 0.00 32.50 137.00 345.00 710.00 573.00 189.00 126.00 0.00 0.00 a 2112.50
1944 0.00 0.00 0.00 16.00 288.76 d 398.00 597.50 514.50 229.00 55.50 0.00 0.00 2099.26
1945 0.00 0.00 5.00 0.00 39.50 294.50 533.50 406.50 122.00 25.00 0.00 0.00 a 1426.00
1946 0.00 0.00 4.50 0.00 z 188.00 404.00 619.50 492.00 201.50 16.50 0.00 0.00 a 1926.00
1947 0.00 0.00 0.00 27.50 75.00 264.00 526.50 527.50 190.50 64.50 0.00 0.00 1675.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 545.50 601.00 425.50 50.50 0.00 0.00 1622.50
1949 0.00 0.00 0.00 97.00 240.00 456.00 603.98 a 639.00 198.00 58.68 c 2.59 a 0.00 a 2295.25
1950 0.00 0.00 a 0.00 0.00 154.48 a 408.62 a 534.00 417.98 a 245.00 c 31.52 a 0.00 0.00 b 1791.60
1951 0.00 a 0.00 0.00 e 6.50 m 267.12 a 329.48 a 557.48 a 442.02 b 186.21 a 52.38 b 0.00 c 0.00 z 1834.69
1952 0.00 z 0.00 z 0.00 z 170.00 r 209.00 499.66 a 595.72 a 546.50 334.50 25.50 0.00 a 0.00 2210.87
1953 0.00 0.00 0.00 c 5.00 185.50 418.45 a 556.00 610.70 a 215.00 155.50 3.75 b 0.00 2149.90
1954 0.00 0.00 a 0.00 b 7.76 a 115.00 410.50 613.80 a 481.50 188.28 a 49.60 a 0.00 0.00 a 1866.43
1955 0.00 0.00 b 0.00 75.00 275.38 a 441.72 a 691.00 672.00 244.50 61.48 a 0.00 0.00 2461.09
1956 0.00 a 0.00 0.00 0.00 a 145.38 b 568.97 a 504.00 525.00 141.50 92.00 0.00 a 0.00 a 1976.84
1957 0.00 z 0.00 a 0.00 70.18 b 195.00 313.50 701.50 529.00 183.00 63.55 a 0.00 b 0.00 b 2055.73
1958 0.00 0.00 0.00 b 45.50 271.00 303.62 a 511.50 520.50 246.00 41.50 0.50 0.00 1940.12
1959 0.00 0.00 a 0.00 8.50 153.50 480.50 628.00 620.50 245.00 14.00 0.00 0.00 2150.00
1960 0.00 0.00 0.00 8.79 a 243.50 406.55 a 664.50 646.50 344.00 70.00 0.00 0.00 2383.84
1961 0.00 0.00 a 0.00 8.00 193.50 580.20 e 590.50 709.00 200.50 86.05 b 0.00 0.00 2367.75
1962 0.00 0.00 0.00 10.50 156.00 484.00 533.00 567.00 175.50 130.20 a 0.00 0.00 2056.20
1963 0.00 0.00 4.50 29.00 156.50 561.00 678.50 589.00 354.50 238.50 0.00 0.00 2611.50
1964 0.00 0.00 0.00 26.50 267.00 339.00 636.50 405.50 186.00 53.00 0.50 0.00 1914.00
1965 0.00 a 0.00 a 0.00 23.00 174.50 411.50 528.00 506.00 52.50 53.00 1.00 0.00 1749.50
1966 0.00 0.00 0.00 3.50 150.00 422.50 648.00 491.00 283.50 28.50 0.00 0.00 2027.00
1967 0.00 0.00 0.00 0.00 154.00 413.00 567.00 529.50 352.00 36.50 0.00 0.00 2052.00
1968 0.00 0.00 1.50 45.00 122.50 384.50 526.00 410.50 245.50 30.50 0.00 0.00 a 1766.00
1969 0.00 0.00 0.00 35.00 218.00 216.50 527.50 682.00 285.00 4.00 0.00 0.00 1968.00
1970 0.00 0.00 0.00 0.00 138.50 547.50 647.50 550.00 278.50 55.00 0.00 0.00 a 2217.00
1971 0.00 0.00 0.00 22.00 167.00 476.00 444.50 564.00 252.00 38.50 0.00 0.00 1964.00
1972 0.00 0.00 0.00 12.93 a 343.50 482.00 492.00 592.50 189.00 36.00 0.00 0.00 2147.93
1973 0.00 0.00 0.00 a 23.50 192.50 476.00 532.00 627.00 227.50 105.00 0.00 0.00 2183.50
1974 0.00 c 0.00 0.00 24.00 96.50 461.50 712.00 415.40 a 162.50 41.50 0.00 0.00 1913.40
1975 0.00 0.00 0.00 0.50 205.50 416.50 397.50 l 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 622.50
1976 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 318.50 n 584.50 328.00 60.50 0.00 0.00 973.00
1977 0.00 0.00 a 0.00 129.00 504.50 123.50 w 540.50 300.50 149.00 24.50 3.00 0.00 1651.00
1978 0.00 0.00 a 0.00 18.50 285.50 379.00 523.50 449.50 294.00 45.00 0.00 0.00 1995.00
1979 0.00 0.00 0.00 0.00 88.00 364.50 595.00 368.00 211.00 16.50 0.00 0.00 1643.00
1980 0.00 0.00 0.00 105.00 387.00 382.00 555.50 364.00 158.00 44.50 0.00 0.00 a 1996.00
1981 0.00 0.00 0.00 29.00 141.00 336.00 548.00 552.50 190.50 18.50 5.00 0.00 1820.50
1982 0.00 0.00 0.00 36.50 196.50 211.00 528.50 409.00 193.00 12.00 0.00 0.00 1586.50
1983 0.00 0.00 0.00 16.00 95.50 377.50 644.50 677.00 216.50 2.50 1.50 0.00 2031.00
1984 0.00 0.00 0.00 11.00 122.00 395.00 538.00 608.50 137.50 70.00 0.00 0.00 1882.00
1985 0.00 0.00 0.00 69.00 222.00 200.17 a 474.00 326.50 114.50 5.00 0.00 0.00 a 1411.17
1986 0.00 b 0.00 2.00 10.00 264.00 400.00 546.00 406.00 109.50 21.50 0.00 0.00 1759.00
1987 0.00 0.00 0.00 99.00 271.00 484.50 538.50 414.50 228.00 16.50 0.00 0.00 2052.00
1988 0.00 0.00 0.00 21.00 291.50 638.50 633.50 590.50 179.00 52.00 0.00 0.00 2406.00
1989 0.00 0.00 0.00 13.00 257.50 361.00 692.00 549.00 234.50 53.50 0.00 0.00 2160.50
1990 0.00 0.00 0.00 89.50 157.00 415.00 496.00 533.50 263.50 18.50 0.00 0.00 1973.00
1991 0.00 0.00 0.00 62.00 346.50 495.00 522.00 594.00 200.50 11.50 0.00 0.00 2231.50
1992 0.00 0.00 0.00 18.50 244.00 296.50 315.00 378.00 122.50 60.50 0.00 0.00 1435.00
1993 0.00 0.00 0.00 4.00 175.00 292.00 399.50 443.50 93.50 6.50 0.00 0.00 1414.00
1994 0.00 0.00 0.00 13.00 207.00 413.00 447.00 416.50 268.50 38.00 0.00 0.00 1803.00
1995 0.00 0.00 0.00 0.00 109.00 560.00 502.00 506.00 214.00 20.00 0.00 a 0.00 1911.00
1996 0.00 0.00 0.00 0.00 106.50 434.00 482.00 511.50 197.50 32.00 0.00 0.00 1763.50
1997 0.00 0.00 0.00 0.00 0.00 z 494.00 0.00 z 453.00 256.50 62.50 0.00 z 0.00 1266.00
1998 0.00 0.00 0.00 37.50 202.50 277.50 501.50 522.00 273.00 13.00 0.00 0.00 1827.00
1999 0.00 0.00 0.00 33.00 170.00 308.50 488.50 399.50 126.50 0.50 7.50 0.00 1534.00
2000 0.00 0.00 0.00 30.50 141.00 251.50 507.00 458.00 134.00 20.50 0.50 0.00 1543.00
2001 0.00 0.00 0.00 36.00 183.50 330.00 495.50 503.00 176.50 16.00 0.00 0.00 1740.50
2002 0.00 0.00 0.00 21.50 96.50 420.00 583.00 434.50 257.00 7.50 0.00 0.00 1820.00
2003 0.00 0.00 0.00 29.50 164.00 373.50 548.00 598.50 239.50 76.00 0.00 0.00 2029.00
2004 0.00 0.00 0.00 11.00 68.50 265.00 470.00 265.50 244.00 46.00 0.00 0.00 1370.00
2005 0.00 0.00 0.00 34.00 144.50 411.00 543.00 459.50 276.00 47.00 0.00 0.00 1915.00
2006 0.00 0.00 0.00 74.00 198.50 478.50 658.50 513.50 230.50 49.00 0.00 0.00 2202.50
2007 0.00 0.00 z 0.00 53.00 174.50 433.00 613.50 410.00 202.50 17.50 0.00 0.00 1904.00
2008 0.00 0.00 0.00 5.50 91.50 337.00 493.00 497.50 202.00 12.50 3.50 0.00 1642.50
2009 0.00 0.00 0.00 2.50 71.00 353.50 0.00 z 0.00 z 0.00 z 1.00 0.00 0.00 428.00
2010 0.00 0.00 4.00 53.50 218.50 357.50 581.00 553.00 119.50 92.50 0.00 0.00 1979.50
2011 0.00 0.00 0.00 7.50 107.00 345.50 613.80 a 553.02 c 276.50 109.50 0.00 0.00 2012.82
2012 0.00 0.00 14.00 33.00 173.50 429.31 a 674.00 510.50 217.00 29.50 0.00 0.00 2080.81
2013 0.00 0.00 0.00 a 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 0.00 0.48 27.89 190.69 395.99 571.64 509.56 218.47 47.85 0.39 0.00 1945.50
S.D. 0.00 0.00 1.91 29.26 80.94 89.37 83.19 92.50 69.13 40.33 1.25 0.00 273.86
SKEW 0.00 0.00 5.40 1.42 0.96 0.19 -0.02 -0.22 0.42 1.94 3.83 0.00 -0.11
MAX 0.00 0.00 14.00 129.00 504.50 638.50 761.05 709.00 425.50 238.50 7.50 0.00 2611.50
MIN 0.00 0.00 0.00 0.00 39.50 200.17 315.00 265.50 52.50 0.50 0.00 0.00 1370.00
NO YRS 74 74 74 71 74 74 73 76 76 77 75 76 63