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 197203
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
1867 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
1868 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
1869 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
1870 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
1871 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
1872 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
1873 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
1874 0.00 0.00 0.00 35.50 281.50 517.00 618.00 583.50 301.50 129.00 0.00 0.00 2466.00
1875 0.00 0.00 2.50 59.00 288.50 518.00 488.00 530.00 296.00 154.00 4.00 0.00 2340.00
1876 0.00 0.00 0.00 128.00 188.50 416.50 576.50 521.00 325.00 85.50 0.00 0.00 2241.00
1877 0.00 0.00 29.00 4.00 160.50 444.00 562.50 557.00 336.00 59.00 0.00 0.00 2152.00
1878 0.00 0.00 10.50 54.50 206.00 403.00 676.50 641.00 338.50 198.50 17.00 0.00 2545.50
1879 8.50 11.00 116.50 91.00 358.50 482.50 716.00 670.50 452.00 102.00 0.00 0.00 3008.50
1880 0.00 0.00 0.00 3.00 191.00 468.00 516.00 462.50 187.00 18.50 0.00 0.00 1846.00
1881 0.00 0.00 0.00 92.50 251.00 587.00 626.50 540.50 311.00 134.00 0.00 t 0.00 z 2542.50
1882 0.00 0.00 b 18.00 69.50 202.00 478.50 624.00 524.50 290.50 74.00 8.00 0.00 2289.00
1883 0.00 0.00 a 9.00 27.93 a 214.50 215.50 o 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 251.43
1884 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 0.00
1885 0.00 0.00 0.00 18.00 111.50 404.00 601.00 545.00 314.00 71.50 0.50 0.00 2065.50
1886 0.00 0.00 0.00 15.50 333.00 442.00 678.00 526.50 267.00 70.50 0.00 0.00 2332.50
1887 0.00 0.00 a 3.50 44.00 187.00 506.50 584.50 532.00 360.00 107.50 3.50 0.00 2328.50
1888 0.00 0.00 2.00 68.50 144.50 502.50 623.50 492.50 388.50 101.50 4.50 0.00 a 2328.00
1889 0.00 0.00 2.50 88.00 222.50 428.50 607.50 648.00 346.00 130.00 0.00 0.00 2473.00
1890 0.00 6.50 11.50 37.00 285.50 440.50 614.32 a 533.00 329.00 47.00 2.59 a 0.00 2306.90
1891 0.00 0.00 0.00 54.00 103.50 382.50 594.50 568.00 354.50 66.00 9.31 a 0.00 2132.31
1892 0.00 0.00 0.00 a 64.00 171.00 480.50 612.00 561.62 a 449.00 102.50 0.00 0.00 2440.62
1893 0.00 0.00 11.00 42.00 200.50 553.00 575.00 490.50 293.50 59.50 0.00 0.00 2225.00
1894 0.00 0.00 4.00 61.50 277.00 420.00 585.00 450.00 272.50 122.50 0.00 0.00 2192.50
1895 0.00 0.00 9.00 73.00 179.00 382.00 504.50 504.50 423.50 64.00 0.00 0.00 2139.50
1896 0.00 0.00 16.00 55.00 266.50 571.00 521.50 559.50 335.00 59.50 0.50 0.00 2384.50
1897 0.00 0.00 0.00 39.31 a 223.50 427.50 525.50 512.00 357.00 100.50 0.00 0.00 2185.31
1898 0.00 0.00 0.00 59.50 174.50 424.00 565.00 549.50 340.50 105.00 2.00 0.00 2220.00
1899 0.00 a 0.00 9.50 67.50 204.50 425.00 543.00 580.00 396.50 97.00 3.00 0.00 2326.00
1900 0.00 0.00 8.50 13.00 254.50 533.00 606.00 578.50 314.50 87.50 0.50 0.00 2396.00
1901 0.00 0.00 0.00 57.93 a 192.00 470.50 617.00 583.50 336.00 92.50 0.00 0.00 2349.43
1902 0.00 0.00 0.00 80.69 a 241.50 559.00 538.00 569.00 298.50 92.50 2.00 0.00 2381.19
1903 0.00 0.00 1.50 24.50 141.50 336.50 640.50 603.00 285.50 87.00 0.50 0.00 2120.50
1904 0.00 4.50 1.00 75.00 212.35 a 384.00 587.50 521.00 325.50 78.50 0.00 0.00 2189.35
1905 0.00 0.00 0.00 12.50 160.00 472.50 494.50 558.52 a 333.50 59.50 0.00 0.00 2091.02
1906 0.00 0.00 0.00 20.50 159.50 445.50 461.00 482.50 304.00 65.50 1.61 b 0.00 1940.11
1907 0.00 a 0.00 24.50 49.66 a 77.50 318.50 556.45 a 511.50 309.83 a 61.50 0.00 0.00 1909.43
1908 0.00 0.00 11.50 16.50 103.50 392.00 493.50 495.00 358.50 71.50 0.00 0.00 1942.00
1909 0.00 0.00 0.00 24.50 97.00 472.00 613.00 522.50 277.00 75.00 2.00 0.00 2083.00
1910 0.00 0.00 17.50 61.50 201.50 469.50 624.50 552.50 394.50 109.50 0.00 0.00 2431.00
1911 0.00 0.00 0.50 23.50 215.50 448.00 451.50 531.00 384.00 53.50 0.00 0.00 2107.50
1912 0.00 0.00 0.00 14.50 214.50 372.00 562.50 533.50 249.00 48.00 2.00 0.00 1996.00
1913 0.00 0.00 9.00 49.50 274.50 383.50 610.50 575.00 245.00 40.50 0.00 0.00 2187.50
1914 0.00 0.00 0.00 63.50 212.00 508.50 526.00 522.00 390.00 50.50 0.00 0.00 2272.50
1915 0.00 0.00 0.00 37.00 151.50 421.50 545.00 477.50 289.50 92.50 20.00 0.00 2034.50
1916 0.00 0.00 12.00 50.50 215.50 485.50 582.50 519.00 325.00 87.00 16.00 0.00 2293.00
1917 0.00 0.00 5.50 38.50 72.00 483.50 667.00 549.00 376.00 147.00 0.00 0.00 2338.50
1918 0.00 0.50 2.00 9.50 198.00 549.31 a 598.00 553.00 311.50 163.50 6.00 0.00 2391.31
1919 0.00 0.00 0.52 a 71.00 196.00 423.62 a 553.50 591.00 347.50 12.00 0.00 0.00 2195.14
1920 0.00 0.00 a 0.00 9.50 214.50 408.50 580.00 466.50 312.93 a 99.50 0.00 0.00 2091.43
1921 0.00 0.00 13.95 a 22.50 209.77 a 388.50 530.00 496.50 405.00 148.00 3.50 0.00 2217.72
1922 0.00 0.00 0.50 16.00 207.00 490.00 623.00 642.00 415.00 129.00 0.00 0.00 2522.50
1923 0.00 0.00 0.00 8.50 199.00 457.00 610.00 489.50 259.50 51.50 0.00 0.00 2075.00
1924 0.00 0.00 0.00 15.00 193.00 559.00 551.50 558.50 318.50 91.00 8.50 0.00 2295.00
1925 0.00 0.00 13.43 a 101.00 287.50 475.50 612.50 487.73 a 340.50 94.00 0.50 0.00 2412.67
1926 0.00 0.00 0.00 a 21.00 163.00 463.50 532.68 a 585.00 399.50 128.00 0.00 0.00 2292.68
1927 0.00 0.00 0.00 74.50 284.50 426.00 630.50 518.00 321.00 83.50 2.00 0.00 2340.00
1928 0.00 0.00 a 14.00 40.50 220.50 447.41 a 612.50 475.50 345.00 144.00 0.00 0.00 2299.41
1929 0.00 0.00 0.00 25.50 162.50 484.50 584.00 520.28 a 317.50 125.00 0.00 0.00 2219.28
1930 0.00 0.00 0.00 117.50 140.50 513.00 569.00 544.50 314.50 78.50 1.00 0.00 2278.50
1931 0.00 0.00 1.00 25.50 174.50 522.50 625.50 528.00 398.50 133.00 6.00 0.00 2414.50
1932 0.00 a 0.00 0.00 50.00 194.50 402.00 607.00 563.50 321.50 61.00 0.50 0.00 2200.00
1933 0.00 0.00 3.50 2.00 172.00 484.00 637.00 552.50 465.00 117.00 1.00 0.00 2434.00
1934 0.00 0.50 7.00 107.00 351.50 503.50 683.00 626.50 311.50 148.00 14.00 0.00 2752.50
1935 0.00 0.00 1.50 30.00 125.00 484.00 638.50 553.00 358.00 138.50 1.00 0.00 2329.50
1936 0.00 0.00 0.00 98.00 305.50 557.50 623.00 613.50 336.00 89.00 0.50 0.00 2623.00
1937 0.00 0.00 a 0.00 62.50 272.00 441.21 a 614.50 659.00 416.00 110.00 3.00 0.00 2578.21
1938 0.00 0.00 4.50 95.00 215.00 493.00 586.50 628.50 351.50 139.50 0.00 0.00 2513.50
1939 0.00 0.00 0.50 70.34 a 251.50 525.00 601.50 550.50 406.00 55.00 0.00 0.00 2460.34
1940 0.00 0.00 5.50 46.50 255.00 470.50 638.00 531.00 407.50 150.50 3.00 0.00 2507.50
1941 0.00 0.00 0.00 9.00 228.00 350.50 585.00 564.50 367.00 92.00 0.00 0.00 2196.00
1942 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
1943 0.00 e 0.00 d 10.33 d 162.12 d 189.50 g 447.12 d 661.13 e 653.38 e 364.80 e 67.37 e 0.00 e 0.00 z 2366.25
1944 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
1945 0.00 0.00 0.00 33.50 237.00 393.00 603.00 616.00 384.00 86.00 1.00 0.00 2353.50
1946 0.00 0.00 11.00 161.50 182.50 601.50 657.00 560.50 419.00 64.50 0.00 0.00 2657.50
1947 0.00 0.00 0.50 20.50 268.50 405.00 c 694.00 605.00 456.50 182.00 0.52 a 0.00 b 2632.52
1948 0.00 b 0.00 a 0.00 f 95.00 257.82 a 441.96 b 356.50 n 0.00 z 424.29 b 60.50 h 0.00 0.00 1219.07
1949 0.00 0.00 a 2.50 p 88.97 a 241.50 338.50 j 607.50 563.17 a 248.00 l 99.00 2.00 0.00 a 1602.13
1950 0.00 0.00 0.50 62.50 133.50 g 446.50 i 540.00 515.38 c 278.79 a 262.00 7.00 0.00 1666.17
1951 0.00 0.00 0.00 49.50 300.00 458.50 770.72 b 566.50 425.00 109.00 0.00 0.00 2679.22
1952 0.00 0.00 0.00 26.00 224.00 588.50 611.50 639.00 413.50 167.50 2.00 0.00 2672.00
1953 0.00 b 0.00 0.00 m 41.38 a 175.67 a 552.00 673.50 583.83 a 447.86 b 121.50 3.50 0.00 2599.24
1954 0.00 a 0.00 6.41 b 21.50 w 208.50 i 549.00 715.21 c 594.50 486.50 223.50 0.50 0.00 2575.63
1955 0.00 0.00 0.00 51.00 194.50 405.00 598.00 540.50 422.50 161.00 1.00 0.00 2373.50
1956 0.00 0.00 10.00 38.50 328.50 624.50 617.00 516.50 490.50 194.00 3.00 0.00 2822.50
1957 0.00 0.00 0.00 9.50 101.50 458.50 661.50 520.50 350.00 104.50 0.00 0.00 2206.00
1958 0.00 0.00 0.00 38.50 315.50 584.50 667.00 617.00 372.00 117.50 3.50 0.00 2715.50
1959 0.00 0.00 0.00 83.00 204.00 538.00 636.50 562.50 378.50 72.00 0.00 0.00 2474.50
1960 0.00 0.00 3.50 77.00 203.50 521.00 603.95 c 593.00 409.00 72.00 0.00 0.00 2482.95
1961 0.00 0.00 1.50 38.50 253.50 531.00 588.00 493.00 216.72 a 49.50 0.00 0.00 2171.72
1962 0.00 0.00 0.50 78.50 264.00 462.00 565.50 613.50 341.00 87.00 0.00 0.00 2412.00
1963 0.00 0.00 4.50 46.00 276.50 457.50 671.50 508.00 396.50 189.50 0.00 0.00 2550.00
1964 0.00 0.00 0.00 16.00 220.00 436.50 631.00 538.50 344.00 132.00 0.00 0.00 2318.00
1965 0.00 0.00 0.00 56.50 152.50 370.50 600.00 504.00 306.00 121.00 0.00 0.00 2110.50
1966 0.00 a 0.00 3.74 b 31.03 a 257.00 414.50 674.50 493.50 158.50 p 79.50 0.00 0.00 a 1953.78
1967 0.00 0.00 9.50 61.61 b 205.50 411.00 610.70 a 437.00 279.31 a 121.50 8.00 0.00 2144.12
1968 0.00 a 0.00 2.00 5.00 146.50 504.50 542.50 431.00 281.50 105.50 0.00 0.00 2018.50
1969 0.00 0.00 5.00 63.50 266.00 417.50 668.50 622.50 346.00 73.50 0.00 a 0.00 2462.50
1970 0.00 0.00 0.00 4.50 275.50 397.50 616.00 574.50 308.00 32.55 a 0.50 0.00 2209.05
1971 0.00 0.00 29.50 27.50 178.25 a 483.00 596.00 467.21 c 322.50 0.00 z 3.33 c 0.00 b 2107.30
1972 0.00 a 0.00 15.00 k 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 0.09 0.24 5.57 49.57 212.74 465.57 600.26 548.35 348.59 101.46 2.00 0.00 2319.25
S.D. 0.87 1.37 13.37 33.39 60.13 63.50 56.38 52.04 59.17 44.30 3.84 0.00 214.11
SKEW 9.64 6.44 6.46 0.96 0.02 0.23 -0.08 0.19 0.13 0.88 2.84 0.00 0.45
MAX 8.50 11.00 116.50 162.12 358.50 624.50 770.72 670.50 490.50 262.00 20.00 0.00 3008.50
MIN 0.00 0.00 0.00 2.00 72.00 318.50 451.50 431.00 187.00 12.00 0.00 0.00 1846.00
NO YRS 96 96 92 94 92 92 93 93 92 92 93 93 85