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 201303
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
1914 69.00 111.50 262.00 249.00 192.00 198.00 218.00 254.00 323.00 373.50 269.50 17.00 2536.50
1915 36.50 83.50 244.50 212.00 235.50 267.00 318.00 346.00 372.00 349.00 184.00 91.00 2739.00
1916 8.00 174.00 206.00 227.50 179.50 222.50 310.00 266.00 365.50 215.00 133.00 33.50 2340.50
1917 10.50 76.00 68.00 157.00 123.50 258.00 304.50 232.00 419.50 381.00 260.00 143.50 2433.50
1918 92.50 70.50 163.00 217.50 145.00 277.50 273.50 335.50 368.00 435.00 168.00 38.50 2584.50
1919 60.00 51.50 88.00 179.50 221.50 233.50 219.00 258.00 359.50 332.00 188.50 22.00 2213.00
1920 84.00 84.00 82.00 149.00 178.50 306.00 243.50 313.50 312.50 311.00 161.00 49.50 2274.50
1921 22.00 94.50 141.00 148.50 133.50 342.50 303.50 296.00 398.50 356.00 233.50 94.50 2564.00
1922 10.00 40.00 84.50 111.00 248.50 301.00 315.00 322.50 399.50 350.50 132.50 47.00 2362.00
1923 14.00 99.50 209.00 182.00 223.50 215.50 335.00 362.50 418.50 387.50 324.00 48.50 2819.50
1924 53.00 204.50 145.50 224.00 282.50 294.50 280.50 283.00 373.50 294.00 201.00 32.00 2668.00
1925 64.50 146.00 168.00 208.50 278.50 321.50 347.50 345.50 381.50 378.00 198.50 110.00 2948.00
1926 32.00 169.00 330.00 348.50 343.00 274.50 344.00 336.00 338.50 417.00 326.00 95.50 3354.00
1927 57.00 113.50 132.50 170.50 254.00 295.00 268.50 303.50 371.50 387.00 243.50 72.00 2668.50
1928 49.50 148.00 255.50 232.00 276.50 315.50 269.00 262.00 336.00 295.00 190.50 45.50 2675.00
1929 13.50 79.50 136.50 110.50 201.50 390.00 358.00 344.50 342.50 418.00 291.00 153.50 2839.00
1930 52.00 189.00 238.00 277.00 188.50 298.00 268.00 357.00 372.00 409.00 242.50 83.50 2974.50
1931 76.00 187.50 279.50 270.50 367.50 360.50 381.50 324.00 380.00 301.50 148.00 22.00 3098.50
1932 39.00 79.50 220.00 178.50 260.50 275.00 301.50 340.00 389.00 376.50 320.00 43.00 2822.50
1933 9.50 44.50 168.00 167.00 159.50 228.50 294.50 303.00 334.00 382.50 301.00 60.50 2452.50
1934 97.50 158.50 330.00 269.00 329.00 328.00 308.00 338.00 409.50 364.50 255.00 105.50 3292.50
1935 54.50 117.00 97.50 255.50 269.00 339.50 315.00 309.00 316.00 340.00 152.50 89.00 2654.50
1936 120.50 106.00 237.50 268.00 357.50 350.50 294.00 288.50 390.50 378.50 241.00 72.00 3104.50
1937 0.00 30.50 155.00 135.50 221.50 341.00 288.00 276.00 343.00 414.50 248.50 162.50 2616.00
1938 65.00 96.50 94.00 147.50 204.50 223.50 274.50 312.50 335.50 358.50 203.50 118.50 2434.00
1939 70.00 69.00 94.00 172.50 216.00 236.50 278.50 331.50 485.00 402.00 274.50 165.50 2795.00
1940 119.50 157.00 229.50 233.00 248.50 270.00 315.00 310.00 452.50 381.00 211.00 176.00 3103.00
1941 129.00 150.00 260.00 176.50 346.50 301.00 315.00 347.50 404.50 335.50 252.00 117.50 3135.00
1942 68.50 97.00 172.50 167.50 212.50 257.50 301.50 262.50 308.00 338.00 180.50 79.00 2445.00
1943 76.00 141.00 175.00 167.50 267.00 220.50 280.50 305.00 403.50 351.00 277.00 117.50 2781.50
1944 71.50 60.50 179.00 96.00 210.50 233.00 227.00 275.00 319.50 355.00 172.50 136.50 2336.00
1945 41.00 121.50 69.00 178.00 167.00 339.00 296.00 268.00 375.50 358.50 191.50 98.50 2503.50
1946 52.50 46.00 107.50 156.50 174.00 264.00 325.00 251.00 383.00 319.50 141.00 73.50 2293.50
1947 11.50 106.50 185.50 254.00 240.50 354.50 313.50 364.50 342.00 373.00 160.00 42.50 2748.00
1948 148.00 60.50 62.50 111.50 172.00 281.50 288.00 299.50 298.50 320.50 197.50 20.00 2260.00
1949 1.00 22.00 101.00 166.50 208.00 263.50 233.50 291.00 374.50 263.50 294.50 51.00 2270.00
1950 36.50 74.00 104.00 183.00 148.50 203.50 240.00 296.00 357.00 362.00 330.00 125.50 2460.00
1951 36.50 88.50 146.00 71.00 226.00 188.50 193.50 226.00 292.50 357.00 186.50 47.50 2059.50
1952 22.00 84.50 93.00 160.00 227.50 196.50 269.00 244.50 344.50 271.50 183.50 57.50 2154.00
1953 137.00 115.00 106.50 89.00 204.00 233.50 224.00 294.50 375.50 358.50 200.00 154.50 2492.00
1954 60.50 119.00 80.50 210.50 190.50 255.00 280.50 243.50 354.00 355.50 202.00 50.50 2402.00
1955 11.50 77.50 151.50 76.50 204.50 210.00 212.50 197.50 271.00 298.50 193.50 115.00 2019.50
1956 59.50 63.00 119.00 132.50 233.00 266.00 219.50 275.50 376.00 291.50 282.50 100.50 2418.50
1957 27.50 120.00 129.00 229.50 244.50 341.50 296.00 295.00 407.00 381.50 204.00 70.00 2745.50
1958 91.50 172.50 97.00 215.00 294.00 373.00 277.00 342.00 504.50 364.50 243.50 233.50 3208.00
1959 128.00 107.50 253.00 235.50 209.50 281.00 309.50 366.50 387.50 470.50 305.00 153.00 3206.50
1960 66.00 123.00 180.00 180.00 214.00 286.50 251.00 239.00 294.50 339.00 164.50 72.00 2409.50
1961 52.50 152.00 131.50 207.00 177.00 303.50 309.50 338.50 401.00 347.00 196.00 55.00 2670.50
1962 108.00 74.00 81.50 209.50 160.50 225.50 184.50 308.50 249.00 334.50 264.50 111.00 2311.00
1963 50.50 234.50 133.50 134.50 223.00 242.00 300.50 302.50 442.00 399.50 199.00 30.50 2692.00
1964 49.00 145.50 108.00 117.00 105.50 233.50 274.00 310.00 372.50 404.00 159.00 131.00 2409.00
1965 60.00 119.50 136.00 175.00 150.00 185.00 230.00 347.00 335.50 463.50 243.00 13.50 2458.00
1966 74.00 56.00 131.50 237.00 157.50 282.00 252.00 273.00 406.00 390.50 216.50 67.50 2543.50
1967 98.00 94.50 99.00 36.00 243.50 212.00 274.50 283.50 404.50 480.00 299.00 104.50 2629.00
1968 64.00 194.00 206.50 185.00 175.50 269.50 247.00 379.50 392.50 325.50 187.00 33.00 2659.00
1969 33.50 24.00 141.00 125.50 216.50 259.50 236.00 289.00 325.50 368.00 279.50 178.50 2476.50
1970 135.00 205.50 242.00 104.50 238.50 202.00 242.50 223.00 431.50 266.00 235.00 57.00 2582.50
1971 67.00 70.50 113.00 98.00 141.00 219.00 230.50 342.50 440.50 241.50 168.00 18.50 2150.00
1972 20.00 124.00 182.50 164.50 171.00 223.00 335.50 316.00 344.50 363.00 150.00 46.00 2440.00
1973 48.50 136.00 81.50 216.00 194.50 320.00 265.50 219.50 339.00 339.50 161.50 69.50 2391.00
1974 92.00 64.50 113.50 163.00 151.00 244.50 295.50 307.00 308.50 379.50 199.00 56.50 2374.50
1975 56.50 92.50 102.00 68.00 223.00 206.50 274.00 293.00 283.00 299.00 167.50 109.50 2174.50
1976 119.00 101.00 96.00 124.00 210.00 344.00 284.50 387.50 364.50 394.50 310.00 142.00 2877.00
1977 45.50 171.00 108.00 182.00 164.50 211.50 279.50 357.00 358.00 326.50 258.00 153.50 2615.00
1978 157.00 145.00 277.50 189.00 332.50 265.50 260.50 327.50 464.50 368.50 179.00 50.50 3017.00
1979 51.00 85.00 177.00 192.50 283.50 257.50 316.50 334.50 489.50 408.00 229.50 169.00 2993.50
1980 106.50 208.00 183.50 207.50 166.50 238.00 294.00 246.50 339.00 371.00 246.50 110.00 2717.00
1981 97.00 168.50 153.00 173.00 209.50 365.50 241.50 285.50 311.00 288.00 249.50 124.00 2666.00
1982 21.50 140.50 100.50 173.50 178.50 188.50 245.50 314.00 377.50 396.00 137.50 78.00 2351.50
1983 39.00 129.50 164.00 204.00 299.50 353.50 416.00 493.00 512.00 433.00 185.50 102.00 3331.00
1984 77.50 82.00 206.50 126.00 307.00 289.50 430.50 394.50 580.50 356.00 178.00 63.00 3091.00
1985 30.00 173.00 104.50 294.00 249.50 415.00 435.50 436.50 422.50 407.50 157.00 70.00 3195.00
1986 203.50 249.50 323.50 256.50 310.00 396.50 395.50 368.00 382.50 421.00 305.50 92.50 3704.50
1987 74.00 180.50 221.50 313.00 343.00 314.00 356.00 417.00 413.50 466.00 262.00 94.00 3454.50
1988 101.50 222.00 281.00 262.00 282.50 330.50 440.00 434.00 391.00 354.50 217.50 136.50 3453.00
1989 71.00 63.50 170.00 326.00 287.00 346.50 385.00 403.00 354.00 372.00 264.00 101.00 3143.00
1990 93.00 87.00 151.50 276.50 279.00 370.00 399.50 472.50 478.50 440.50 239.50 58.00 3345.50
1991 113.00 220.50 101.00 211.00 210.00 257.50 350.00 403.00 393.50 445.00 301.50 110.00 3116.00
1992 74.50 243.00 286.00 378.50 394.50 376.00 468.00 426.50 473.50 518.50 291.50 80.00 4010.50
1993 73.00 106.50 279.00 282.50 386.00 477.50 415.00 513.50 401.50 442.50 245.00 83.00 3705.00
1994 117.00 81.50 251.00 227.50 270.00 331.00 298.00 416.00 410.00 378.00 63.50 20.50 2864.00
1995 129.50 194.00 191.50 209.00 229.00 350.00 495.50 435.50 440.50 452.00 325.50 170.50 3622.50
1996 127.50 213.00 271.00 342.00 363.00 385.00 423.00 425.50 406.50 398.00 240.50 182.00 3777.00
1997 105.50 170.50 254.50 243.00 390.50 348.50 380.50 488.00 532.50 386.00 279.00 119.50 3698.00
1998 117.50 78.50 182.00 163.50 203.00 279.00 313.00 343.50 351.50 327.00 155.50 64.00 2578.00
1999 55.50 50.00 52.50 157.50 116.00 191.00 268.50 337.00 344.50 385.00 233.50 134.00 2325.00
2000 83.50 115.00 159.00 213.00 255.50 285.00 258.00 330.50 441.00 295.00 116.00 122.50 2674.00
2001 55.50 80.00 181.50 83.50 357.00 339.00 324.50 356.50 330.00 392.00 259.00 86.00 2844.50
2002 53.00 153.50 133.00 146.50 155.50 240.50 284.00 322.00 345.50 334.00 281.50 138.50 2587.50
2003 199.00 128.50 200.00 118.00 249.00 315.00 289.00 418.00 445.00 402.00 160.00 96.00 3019.50
2004 70.00 108.50 318.00 254.50 252.00 268.00 331.00 397.00 446.50 311.00 196.50 114.50 3067.50
2005 36.50 163.50 234.00 177.50 282.00 280.00 338.42 a 303.00 290.00 326.00 307.50 179.00 2917.42
2006 81.00 154.50 51.50 146.00 228.00 306.00 363.50 295.00 287.00 331.50 189.00 93.00 2526.00
2007 48.50 98.00 216.00 162.00 226.00 273.50 354.50 370.50 402.00 321.00 218.50 47.00 2737.50
2008 33.50 96.00 140.00 150.50 235.50 286.00 324.50 370.00 400.00 415.50 272.50 50.50 2774.50
2009 148.00 89.00 130.50 180.50 237.50 313.50 284.50 389.50 402.50 344.00 220.00 49.50 2789.00
2010 64.50 125.50 164.00 149.00 189.50 280.00 260.00 288.50 395.00 328.50 198.50 104.00 2547.00
2011 96.00 96.50 137.00 157.00 176.00 261.50 313.00 305.50 373.50 412.50 139.00 76.00 2543.50
2012 109.50 120.00 111.08 a 186.00 214.00 276.50 292.50 279.50 243.50 383.50 127.00 p 53.00 l 2216.08
2013 62.00 b 79.00 149.83 a 7.50 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 290.83
Period of Record Statistics
MEAN 70.04 118.88 165.45 188.24 232.15 284.31 302.41 327.79 379.09 365.51 221.43 90.33 2748.51
S.D. 41.50 52.00 69.07 64.37 65.08 58.41 60.20 63.10 59.79 52.79 56.62 46.18 416.48
SKEW 0.73 0.50 0.55 0.40 0.58 0.46 0.84 0.64 0.50 0.01 0.01 0.49 0.82
MAX 203.50 249.50 330.00 378.50 394.50 477.50 495.50 513.50 580.50 518.50 330.00 233.50 4010.50
MIN 0.00 22.00 51.50 36.00 105.50 185.00 184.50 197.50 243.50 215.00 63.50 13.50 2019.50
NO YRS 100 100 100 99 99 99 99 99 99 99 98 98 98