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
1922 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.50 z 0.00 z 0.00 z 0.00 z 0.00
1923 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
1924 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
1925 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
1926 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
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 0.00 1.50 25.50 179.50 434.00 672.00 600.00 191.50 78.00 0.00 0.00 2182.00
1930 0.00 0.00 0.00 66.50 176.50 472.50 729.00 678.50 300.00 a 86.00 0.00 0.00 2509.00
1931 0.00 0.00 a 0.00 73.00 218.50 602.00 695.00 572.00 462.00 88.50 2.50 0.00 2713.50
1932 0.00 0.00 0.00 49.00 273.50 577.50 700.50 626.50 264.00 37.00 0.00 0.00 2528.00
1933 0.00 0.00 0.00 41.00 231.50 752.00 726.50 622.00 446.00 56.00 1.50 0.00 2876.50
1934 0.00 0.00 0.00 68.50 544.00 562.50 782.50 603.50 209.50 148.50 3.50 0.00 2922.50
1935 0.00 0.00 0.00 17.00 113.50 400.50 839.00 615.00 326.50 71.50 0.00 b 0.00 2383.00
1936 0.00 0.00 0.00 21.00 400.00 591.50 996.00 739.50 429.00 71.50 0.00 0.00 3248.50
1937 0.00 0.00 0.00 0.50 252.00 415.00 725.00 778.00 301.55 a 53.14 c 0.00 b 0.00 2525.19
1938 0.00 0.00 z 0.00 z 68.79 a 174.12 a 478.50 642.22 a 734.00 337.50 130.50 4.50 0.00 2570.13
1939 0.00 0.00 24.50 40.00 362.18 a 415.50 682.00 584.50 344.00 55.59 b 0.00 0.00 2508.27
1940 0.00 0.00 0.00 24.50 147.77 a 426.50 708.00 528.50 430.34 a 136.92 a 0.00 0.00 2402.53
1941 0.00 0.00 0.00 a 72.50 323.50 463.00 691.00 625.68 a 267.50 33.50 0.00 0.00 2476.68
1942 0.00 0.00 0.00 80.00 101.00 332.00 535.00 523.00 209.50 110.00 0.00 0.00 1890.50
1943 0.00 0.00 0.00 34.00 0.00 z 392.00 649.50 543.50 172.00 99.50 0.00 0.00 1890.50
1944 0.00 0.00 a 0.00 6.50 318.50 408.50 534.50 490.00 202.00 65.00 1.50 0.00 2026.50
1945 0.00 0.00 24.50 12.50 74.50 274.00 570.00 547.50 197.50 69.50 0.00 0.00 1770.00
1946 0.00 0.00 23.50 109.50 164.50 491.50 687.00 546.50 248.50 37.50 0.00 0.00 2308.50
1947 0.00 0.00 0.00 30.50 105.00 380.50 686.00 786.00 321.50 204.00 0.00 0.00 2513.50
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 733.67 a 664.00 466.50 43.50 0.00 0.00 1907.67
1949 0.00 0.00 0.00 80.00 265.57 a 505.00 704.00 756.50 226.50 78.53 a 1.50 0.00 2617.60
1950 0.00 0.00 0.00 4.00 169.00 471.00 557.50 504.50 306.50 76.00 1.00 0.00 2089.50
1951 0.00 0.00 0.00 25.00 243.50 287.00 553.50 483.00 164.50 83.18 a 0.00 0.00 a 1839.68
1952 0.00 0.00 0.00 118.00 214.50 499.00 616.50 571.00 368.50 19.00 0.00 0.00 2406.50
1953 0.00 0.00 0.00 11.50 193.00 453.10 a 591.00 630.00 273.50 189.50 1.50 0.00 2343.10
1954 0.00 0.00 0.00 26.50 146.50 443.00 673.50 564.00 250.00 32.00 0.00 0.00 2135.50
1955 0.00 0.00 1.50 101.50 355.00 422.00 735.00 674.00 292.50 92.50 0.00 0.00 2674.00
1956 0.00 0.00 0.00 3.62 a 203.50 607.50 537.00 564.00 213.50 120.00 0.00 0.00 2249.12
1957 0.00 0.00 0.00 a 62.00 169.00 359.00 755.00 550.00 197.00 86.00 0.00 a 0.00 2178.00
1958 0.00 2.50 0.00 29.00 260.50 270.52 a 503.00 617.00 292.50 81.63 a 0.00 0.00 2056.65
1959 0.00 0.00 0.00 31.00 212.50 548.50 648.50 678.00 292.00 13.50 0.00 0.00 2424.00
1960 0.00 0.00 0.00 40.00 238.50 400.00 694.50 642.50 331.50 89.00 0.00 0.00 2436.00
1961 0.00 0.00 4.00 20.50 125.50 518.50 557.50 673.50 212.00 81.50 0.00 0.00 2193.00
1962 0.00 0.00 0.00 51.50 193.50 421.50 529.00 603.00 181.55 a 103.00 0.00 a 0.00 2083.05
1963 0.00 0.00 15.00 59.50 176.00 540.50 662.00 584.50 337.50 230.50 2.00 0.00 2607.50
1964 0.00 0.00 0.00 63.00 247.50 448.50 706.50 500.00 202.00 49.50 2.00 0.00 2219.00
1965 0.00 0.00 0.00 20.50 191.00 418.00 618.00 560.00 55.00 63.00 1.50 0.00 1927.00
1966 0.00 0.00 3.50 5.50 164.00 444.00 756.50 504.50 280.00 54.50 0.00 0.00 2212.50
1967 0.00 0.00 13.00 7.50 159.50 360.50 555.50 512.00 288.00 45.50 0.00 0.00 1941.50
1968 0.00 0.00 6.00 32.00 112.50 407.00 574.00 511.00 234.50 56.50 0.00 0.00 1933.50
1969 0.00 0.00 0.00 48.00 240.00 249.00 583.00 686.50 338.00 20.50 0.50 0.00 2165.50
1970 0.00 0.00 0.00 21.50 162.00 544.50 712.50 632.50 326.00 67.00 0.00 0.00 2466.00
1971 0.00 0.00 3.00 74.50 136.00 507.00 501.50 616.00 273.00 60.00 0.00 0.00 2171.00
1972 0.00 0.00 0.00 4.50 287.50 450.50 556.50 607.00 233.50 56.50 0.00 0.00 2196.00
1973 0.00 0.00 0.00 41.50 187.00 485.00 628.00 715.50 226.50 107.50 0.00 0.00 2391.00
1974 0.00 0.00 0.00 47.00 121.50 417.00 774.50 499.50 216.43 b 52.00 0.00 0.00 i 2127.93
1975 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
1976 0.00 z 0.00 z 0.00 z 0.00 z 253.68 a 569.00 693.76 b 739.35 a 278.08 d 63.50 0.00 0.00 2597.37
1977 0.00 0.00 0.00 a 150.00 a 498.58 a 542.59 a 731.00 472.00 225.50 9.00 f 8.50 0.00 a 2628.17
1978 0.00 b 0.00 0.00 g 23.00 300.50 477.78 c 643.00 641.00 446.50 44.50 6.00 0.00 a 2582.28
1979 0.00 0.00 0.00 17.00 133.00 464.50 530.50 f 538.00 368.50 27.50 0.00 0.00 1548.50
1980 0.00 a 0.00 0.00 a 110.50 391.50 498.50 500.00 h 564.50 267.00 89.50 3.50 0.00 1925.00
1981 0.00 a 0.00 0.00 a 92.50 210.50 433.97 a 710.50 647.00 306.50 48.00 1.00 0.00 2449.97
1982 0.00 0.00 0.00 47.50 231.50 339.50 736.50 635.00 275.50 35.50 0.00 0.00 2301.00
1983 0.00 0.00 0.00 0.00 s 147.50 468.50 787.00 820.00 306.50 16.00 0.00 0.00 z 2545.50
1984 0.00 0.00 0.00 4.00 174.50 443.50 679.50 704.00 200.00 124.50 0.00 0.00 2330.00
1985 0.00 b 0.00 0.00 104.50 342.00 342.50 667.50 467.50 250.00 21.00 0.00 a 0.00 2195.00
1986 0.00 e 0.00 16.50 24.50 271.00 536.50 653.00 468.00 189.31 a 52.50 0.00 0.00 2211.31
1987 0.00 0.00 0.00 137.00 370.50 601.50 734.50 503.50 304.50 14.50 0.00 0.00 2666.00
1988 0.00 0.00 a 0.00 a 49.50 382.00 758.50 745.55 a 667.50 227.07 a 20.50 0.00 0.00 2850.62
1989 0.00 0.00 a 0.00 51.00 239.73 a 425.00 792.00 605.00 294.50 83.00 0.00 0.00 2490.23
1990 0.00 0.00 0.00 114.00 189.00 485.00 589.50 581.00 407.50 21.50 9.00 0.00 2396.50
1991 0.00 0.00 0.00 68.00 370.50 568.50 579.50 671.00 286.50 45.00 0.00 0.00 2589.00
1992 0.00 0.00 0.00 39.50 286.50 383.50 417.00 419.50 182.00 75.00 0.00 0.00 1803.00
1993 0.00 0.00 0.50 11.00 189.50 324.00 457.50 549.50 128.00 27.50 0.00 0.00 1687.50
1994 0.00 0.00 0.00 26.00 353.50 510.50 528.00 501.00 337.50 48.50 0.00 0.00 2305.00
1995 0.00 0.00 0.00 0.00 119.50 574.00 611.50 689.50 254.00 30.50 0.00 0.00 2279.00
1996 0.00 0.00 0.00 10.50 180.00 508.00 536.50 572.50 292.50 50.50 0.00 0.00 2150.50
1997 0.00 0.00 0.00 7.00 149.00 551.00 667.50 552.50 353.00 142.50 0.00 0.00 2422.50
1998 0.00 0.00 0.00 54.50 333.00 379.00 684.00 656.50 425.50 23.00 0.00 0.00 2555.50
1999 0.00 0.00 3.50 27.00 247.00 447.00 660.50 589.00 206.50 16.50 6.50 0.00 z 2203.50
2000 0.00 0.00 3.50 35.00 249.00 441.00 651.00 632.00 264.00 71.00 4.50 0.00 2351.00
2001 0.00 0.00 0.00 58.00 240.77 a 468.50 714.50 634.00 282.00 33.50 3.00 r 0.00 z 2431.27
2002 0.00 z 0.00 z 0.00 z 71.50 170.50 586.00 489.00 j 564.00 362.00 14.50 0.00 w 0.00 z 1768.50
2003 0.00 z 0.00 z 0.00 z 0.00 z 171.00 447.50 622.50 149.00 w 274.50 127.00 0.00 j 0.00 z 1642.50
2004 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 212.50 h 543.50 267.50 j 350.00 5.00 r 0.00 z 0.00 z 893.50
2005 0.00 z 0.00 z 0.00 z 56.00 191.00 478.50 646.00 553.00 355.50 61.50 0.00 z 0.00 z 2341.50
2006 0.00 z 0.00 z 0.00 z 80.50 225.00 306.00 i 795.00 592.50 214.00 71.00 3.50 0.00 1981.50
2007 0.00 0.00 11.00 t 54.50 276.00 544.50 696.00 502.00 290.00 58.00 0.00 0.00 z 2421.00
2008 0.00 z 0.00 z 0.00 z 0.00 z 124.00 367.00 659.00 599.50 232.00 30.50 3.00 p 0.00 z 2012.00
2009 0.00 z 0.00 z 0.00 z 25.71 b 150.50 h 345.60 e 339.00 k 321.50 k 106.50 t 7.15 e 0.00 g 0.00 c 378.47
2010 0.00 j 0.00 g 4.50 61.80 e 244.00 322.00 g 639.00 514.50 g 157.50 92.00 0.00 0.00 j 1198.80
2011 0.00 d 0.00 h 0.00 m 11.50 h 152.23 c 329.00 g 747.58 e 497.50 g 226.00 f 152.42 a 0.00 c 0.00 c 1052.23
2012 0.00 e 0.00 g 35.81 b 32.00 h 266.17 b 526.73 d 783.00 338.50 k 242.78 c 34.50 f 0.00 s 0.00 q 1854.49
2013 0.00 c 0.00 e 0.00 d 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 0.04 2.60 46.42 227.95 463.90 659.12 599.73 278.72 69.04 0.88 0.00 2329.58
S.D. 0.00 0.30 6.91 34.33 90.81 95.65 94.80 83.13 80.02 44.40 1.94 0.00 296.70
SKEW 0.00 8.25 3.12 0.88 1.03 0.38 0.17 0.38 0.28 1.29 2.63 0.00 0.30
MAX 0.00 2.50 35.81 150.00 544.00 758.50 996.00 820.00 466.50 230.50 9.00 0.00 3248.50
MIN 0.00 0.00 0.00 0.00 74.50 249.00 417.00 419.50 55.00 7.15 0.00 0.00 1687.50
NO YRS 74 71 71 75 79 78 79 77 81 80 75 71 60