SPOONER EXP FARM, WISCONSIN

Monthly Total Growing Degree Days

(478027)

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
1894 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 395.00 q 0.00 z 357.50 30.50 0.00 0.00 388.00
1895 0.00 0.00 b 0.00 a 63.00 315.00 450.50 483.00 483.50 326.00 20.50 0.00 0.00 a 2141.50
1896 0.00 0.00 0.00 77.00 304.00 431.00 542.00 550.00 85.34 a 8.50 0.00 0.00 1997.84
1897 0.00 0.00 b 0.00 a 77.00 131.50 363.00 528.50 k 451.00 456.50 117.00 0.00 z 0.00 1596.00
1898 0.00 0.00 a 0.00 28.00 161.20 a 437.00 662.00 542.50 399.50 52.50 4.00 0.00 2286.70
1899 0.00 0.00 a 0.00 102.50 215.50 466.50 645.00 592.00 246.00 119.00 7.50 h 0.00 2386.50
1900 0.00 0.00 0.00 146.00 318.00 572.50 583.32 a 0.00 z 58.00 q 227.85 a 0.00 c 0.00 1847.67
1901 0.00 a 0.00 0.00 a 84.44 c 96.50 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 84.44
1902 0.00 z 0.00 h 0.00 z 2.50 282.32 c 292.24 a 592.10 a 408.37 e 0.00 z 0.00 z 0.00 p 0.00 i 1577.53
1903 0.00 a 0.00 0.00 9.50 232.50 0.00 z 0.00 z 0.00 z 0.00 z 53.70 c 4.00 k 0.00 b 295.70
1904 0.00 z 0.00 0.00 6.50 206.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 212.50
1905 0.00 0.00 11.07 c 17.07 a 115.73 a 327.00 f 424.50 h 239.00 q 336.21 a 48.10 b 0.00 a 0.00 528.18
1906 0.00 0.00 b 0.00 b 0.00 z 143.50 f 0.00 z 0.00 z 0.00 z 274.50 g 90.00 3.00 0.00 93.00
1907 0.00 0.00 0.00 0.00 44.50 426.00 510.50 475.00 228.50 31.52 a 0.00 0.00 1716.02
1908 0.00 0.00 0.00 71.00 178.50 393.50 593.98 c 451.57 a 475.50 107.00 0.00 0.00 2271.05
1909 0.00 0.00 0.00 0.00 155.50 448.50 546.50 591.50 206.50 89.50 2.00 0.00 2040.00
1910 0.00 0.00 60.50 82.00 99.00 574.00 621.50 477.50 232.50 126.00 0.00 0.00 2273.00
1911 0.00 j 0.00 0.50 45.00 358.50 600.50 537.00 425.73 a 206.00 17.50 0.00 0.00 2190.73
1912 0.00 a 0.00 0.00 17.00 214.50 345.50 573.50 363.50 279.00 71.50 0.00 0.00 1864.50
1913 0.00 0.00 a 0.00 84.50 138.00 532.50 515.50 552.50 269.00 86.00 0.00 0.00 2178.00
1914 0.00 0.00 0.00 21.00 273.00 356.50 653.00 427.05 b 222.50 169.50 3.50 0.00 a 2126.05
1915 0.00 a 0.00 0.00 176.50 105.00 176.00 g 449.50 d 358.71 c 263.50 34.50 0.58 d 0.00 1388.29
1916 0.00 0.00 0.00 6.50 157.00 279.00 756.83 b 551.50 227.00 74.00 5.69 a 0.00 a 2057.52
1917 0.00 0.00 b 0.00 8.00 121.42 a 295.34 a 598.50 420.00 211.55 a 5.50 0.00 a 0.00 1660.31
1918 0.00 a 0.00 1.03 a 11.00 250.58 a 433.50 550.52 b 529.21 c 122.07 a 76.98 a 1.03 a 0.00 a 1975.94
1919 0.00 a 0.00 a 0.00 b 8.89 c 195.00 556.50 618.45 a 466.00 293.04 b 49.08 a 0.00 0.00 a 2186.96
1920 0.00 0.00 0.00 b 2.50 207.00 386.50 465.00 390.50 293.00 177.50 0.00 0.00 1922.00
1921 0.00 0.00 0.50 99.50 330.00 584.42 d 803.00 551.00 357.50 80.50 0.00 0.00 2806.42
1922 0.00 0.00 0.00 10.00 353.50 447.50 506.50 596.50 337.00 120.50 4.50 0.00 2376.00
1923 0.00 0.00 0.00 52.00 237.50 548.00 681.00 465.00 a 297.22 c 70.00 0.00 0.00 b 2350.72
1924 0.00 0.00 0.00 9.00 51.00 311.50 504.00 419.00 154.66 a 134.50 6.00 0.00 1589.66
1925 0.00 0.00 4.50 66.00 199.50 434.50 539.50 583.66 b 353.00 2.00 0.00 0.00 2182.66
1926 0.00 0.00 b 0.00 49.82 b 336.50 323.50 578.00 488.00 169.66 a 62.00 0.00 0.00 2007.48
1927 0.00 0.00 1.00 22.00 104.00 334.50 497.00 393.00 355.00 38.00 0.00 0.00 1744.50
1928 0.00 0.00 0.00 10.00 183.00 255.00 546.00 507.50 193.50 101.50 0.00 0.00 1796.50
1929 0.00 0.00 0.00 38.50 181.00 384.00 630.50 502.50 242.50 48.50 0.00 0.00 2027.50
1930 0.00 0.00 1.50 83.00 215.50 467.00 647.00 634.50 295.50 130.50 22.00 0.00 2496.50
1931 0.00 0.00 0.00 82.00 221.00 574.00 699.00 496.50 449.50 130.00 14.50 0.00 2666.50
1932 0.00 0.00 0.00 25.34 a 225.00 575.50 636.00 574.50 193.50 38.50 0.00 0.00 2268.34
1933 0.00 0.00 0.00 d 26.00 262.00 708.00 699.50 502.50 373.00 39.50 13.00 0.00 2623.50
1934 0.00 0.00 0.00 43.50 432.45 a 513.00 624.00 478.90 b 183.00 96.62 a 2.00 0.00 2373.46
1935 0.00 0.00 0.00 39.00 132.50 329.50 771.00 557.50 229.50 47.00 0.00 0.00 2106.00
1936 0.00 0.00 0.00 10.34 a 326.00 393.00 843.00 602.50 397.00 50.00 0.00 0.00 2621.84
1937 0.00 0.00 0.00 7.50 231.50 423.00 661.85 a 714.00 294.00 43.29 b 0.00 0.00 a 2375.14
1938 0.00 a 0.00 9.50 69.50 182.50 441.50 614.50 633.95 a 261.00 137.95 a 22.24 a 0.00 a 2372.64
1939 0.00 0.00 a 0.00 b 39.00 343.00 476.50 642.73 a 551.50 337.00 68.50 0.00 0.00 2458.23
1940 0.00 a 0.00 a 0.00 19.50 128.13 a 360.50 636.50 496.52 a 362.59 a 74.50 0.00 0.00 2078.24
1941 0.00 0.00 0.00 101.00 335.50 456.50 633.50 523.50 322.00 55.50 2.00 0.00 2429.50
1942 0.00 a 0.00 0.00 142.50 131.50 416.00 542.50 497.72 d 224.46 b 111.50 5.50 0.00 2071.69
1943 0.00 0.00 1.50 25.50 175.00 509.50 688.00 614.50 116.50 f 67.50 0.00 0.00 2081.50
1944 0.00 0.00 0.00 17.00 339.00 491.00 564.50 615.50 270.00 57.00 20.00 0.00 2374.00
1945 0.00 0.00 42.50 37.50 103.00 281.50 520.00 506.00 251.00 41.50 0.00 0.00 1783.00
1946 0.00 0.00 26.50 68.00 128.00 377.00 591.00 460.35 a 254.00 82.50 0.00 0.00 z 1987.35
1947 0.00 z 0.00 z 0.00 21.00 84.50 348.00 602.50 777.50 332.50 249.00 0.00 0.00 2415.00
1948 0.00 0.00 0.00 b 82.00 184.45 a 410.00 653.00 606.57 a 386.38 a 45.95 c 2.00 0.00 2370.34
1949 0.00 0.00 0.00 62.00 263.50 b 262.00 r 662.37 a 600.88 a 182.22 c 129.50 1.15 d 0.00 a 1901.63
1950 0.00 a 0.00 0.00 1.50 166.37 a 456.50 514.60 a 408.34 b 258.75 b 129.17 a 0.00 0.00 c 1935.23
1951 0.00 0.00 0.00 a 38.50 280.50 316.50 557.50 397.50 155.69 a 75.43 a 0.00 0.00 1821.62
1952 0.00 0.00 0.00 125.50 172.00 484.50 602.95 a 465.50 301.55 a 12.00 1.55 a 0.00 a 2165.55
1953 0.00 a 0.00 0.00 16.61 b 219.00 496.50 563.17 a 607.00 266.11 c 214.50 12.93 a 0.00 2395.82
1954 0.00 0.00 0.00 22.50 127.50 514.00 590.50 478.00 212.07 a 34.50 1.50 0.00 1980.57
1955 0.00 a 0.00 1.50 98.00 313.50 431.50 756.50 647.50 281.38 a 100.50 0.00 0.00 a 2630.38
1956 0.00 0.00 0.00 0.00 201.50 552.50 464.00 487.00 183.50 159.50 37.50 0.00 2085.50
1957 0.00 0.00 0.00 108.00 158.50 410.50 675.00 523.50 211.50 47.50 0.00 f 0.00 2134.50
1958 0.00 0.00 0.00 44.50 202.00 278.50 516.67 a 507.00 289.50 84.00 3.50 0.00 1925.67
1959 0.00 0.00 0.00 11.50 293.50 504.50 604.50 656.50 314.50 19.50 0.00 0.00 2404.50
1960 0.00 0.00 0.00 62.50 206.00 350.00 576.00 590.00 305.00 78.50 0.00 0.00 a 2168.00
1961 0.00 0.00 1.55 a 7.00 144.50 453.00 562.00 605.57 b 285.50 99.00 2.50 0.00 2160.62
1962 0.00 0.00 0.00 42.32 b 302.00 397.00 461.50 491.50 183.00 121.00 0.00 0.00 1998.32
1963 0.00 0.00 8.50 60.50 157.07 a 497.00 620.00 471.00 290.00 228.50 0.00 0.00 2332.57
1964 0.00 a 0.00 0.00 a 70.00 295.57 b 457.50 674.50 444.00 218.00 80.00 14.50 0.00 b 2254.07
1965 0.00 0.00 0.00 23.89 c 279.50 383.50 507.00 477.92 a 109.50 89.50 2.68 b 0.00 1873.48
1966 0.00 0.00 5.50 12.00 130.50 488.28 a 676.66 b 447.29 c 252.50 63.50 0.00 0.00 2076.22
1967 0.00 0.00 11.50 20.50 121.50 434.50 530.00 420.05 a 259.50 75.00 0.00 0.00 1872.55
1968 0.00 0.00 16.61 c 73.00 110.57 a 406.00 568.69 b 528.00 258.75 b 134.33 a 0.00 0.00 2095.95
1969 0.00 0.00 c 0.00 54.44 c 255.00 247.00 538.50 616.00 274.66 a 66.50 1.00 0.00 k 2053.10
1970 0.00 0.00 0.00 68.50 217.00 526.50 677.50 571.00 292.50 72.33 a 0.00 0.00 2425.33
1971 0.00 0.00 0.00 56.50 109.00 544.50 479.50 444.00 303.50 137.50 0.00 0.00 2074.50
1972 0.00 b 0.00 0.00 21.00 318.50 378.00 517.00 497.50 201.50 34.00 0.00 0.00 1967.50
1973 0.00 0.00 0.00 50.00 131.00 466.50 595.00 600.00 244.50 156.00 0.00 0.00 2243.00
1974 0.00 0.00 0.00 66.00 90.00 i 352.22 c 674.25 a 408.00 133.97 a 65.50 3.50 0.00 1703.44
1975 0.00 0.00 0.00 1.50 262.50 399.00 646.50 504.00 158.00 102.09 b 18.50 0.00 2092.09
1976 0.00 0.00 0.00 67.00 196.00 521.50 647.00 558.50 255.00 68.00 0.00 0.00 2313.00
1977 0.00 0.00 5.50 148.50 463.00 427.50 630.50 386.00 220.00 16.00 9.00 0.00 2306.00
1978 0.00 0.00 0.00 a 14.50 311.00 397.00 529.50 539.00 378.00 49.50 7.00 0.00 2225.50
1979 0.00 0.00 0.00 37.00 117.50 384.50 572.50 482.00 297.00 26.00 1.50 0.00 1918.00
1980 0.00 0.00 0.00 90.00 305.50 412.76 a 631.00 551.00 220.86 a 37.00 0.00 0.00 2248.12
1981 0.00 0.00 7.00 40.00 156.07 b 410.00 570.50 539.50 206.00 24.50 3.00 0.00 1956.57
1982 0.00 0.00 0.00 44.00 334.50 280.00 637.00 481.50 251.00 64.00 0.00 0.50 2092.50
1983 0.00 0.00 0.00 19.50 106.50 444.00 707.50 630.00 316.50 49.50 3.00 0.00 2276.50
1984 0.00 0.00 0.00 28.50 152.50 495.00 580.50 621.50 192.00 122.50 0.00 0.00 2192.50
1985 0.00 0.00 0.00 a 126.50 315.50 329.50 541.50 423.50 277.50 38.00 0.00 0.00 2052.00
1986 0.00 0.00 21.50 89.00 270.50 474.00 627.50 435.50 244.00 48.50 0.00 0.00 2210.50
1987 0.00 0.00 18.50 125.00 317.00 553.00 696.00 517.00 326.50 14.50 10.00 0.00 2577.50
1988 0.00 0.00 0.00 28.50 369.00 578.50 745.00 643.00 301.50 42.50 0.00 0.00 2708.00
1989 0.00 0.00 1.00 42.50 241.00 405.00 680.50 560.50 287.50 122.00 0.00 z 0.00 2340.00
1990 0.00 0.00 3.50 125.00 143.00 486.50 581.50 496.00 324.00 35.50 26.00 0.00 2221.00
1991 0.00 0.00 4.00 102.00 369.50 571.00 587.50 601.00 268.00 35.00 0.00 0.00 2538.00
1992 0.00 0.00 0.00 22.50 303.00 384.50 406.50 408.00 241.00 89.00 0.00 0.00 1854.50
1993 0.00 0.00 0.00 13.00 188.50 350.50 549.50 567.00 126.50 43.50 0.00 0.00 1838.50
1994 0.00 0.00 0.00 45.00 269.00 501.50 523.50 460.00 344.50 95.00 0.00 0.00 2238.50
1995 0.00 0.00 1.00 0.00 160.00 576.00 613.00 670.50 262.50 78.00 0.00 0.00 2361.00
1996 0.00 0.00 0.00 21.00 176.00 478.50 507.50 557.00 302.50 90.00 0.00 0.00 2132.50
1997 0.00 0.00 0.00 23.50 98.50 520.50 568.50 462.50 311.00 149.00 0.00 0.00 2133.50
1998 0.00 0.00 14.50 74.50 418.50 410.50 615.50 635.00 448.50 85.00 0.00 0.00 2702.00
1999 0.00 0.00 10.00 37.00 309.00 480.50 717.00 554.50 275.50 55.50 18.50 0.00 2457.50
2000 0.00 2.50 32.00 32.50 288.50 394.50 588.50 580.00 265.00 153.50 18.00 0.00 2355.00
2001 0.00 0.00 0.00 79.50 272.50 480.50 662.50 645.50 257.50 54.00 43.50 0.00 2495.50
2002 0.00 0.00 0.00 87.00 135.00 512.00 688.50 546.50 384.50 36.00 0.00 0.00 2389.50
2003 0.00 0.00 4.50 69.00 181.50 440.00 584.50 680.00 363.00 128.50 0.00 0.00 2451.00
2004 0.00 0.00 1.00 52.50 170.00 379.00 564.50 402.50 436.50 81.00 0.00 0.00 2087.00
2005 0.00 0.00 5.50 114.50 198.00 597.50 702.50 597.00 457.50 135.00 0.00 0.00 2807.50
2006 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 590.00 229.50 0.00 z 0.00 0.00 819.50
2007 0.00 0.00 19.00 86.00 303.50 553.50 642.00 577.50 323.00 138.00 0.00 0.00 2642.50
2008 0.00 0.00 0.00 26.00 111.50 407.00 623.00 546.00 298.00 46.50 28.50 0.00 2086.50
2009 0.00 0.00 1.00 37.00 181.00 407.00 0.00 z 461.50 406.00 0.00 0.00 0.00 1493.50
2010 0.00 0.00 5.50 82.00 289.00 422.00 651.50 636.50 155.50 79.00 10.50 0.00 2331.50
2011 0.00 0.00 0.00 32.50 196.00 427.00 724.00 558.00 260.50 171.50 0.00 0.00 2369.50
2012 0.00 0.00 96.50 32.00 308.00 490.50 755.50 545.00 265.50 7.50 t 0.00 z 0.00 z 2493.00
Period of Record Statistics
MEAN 0.00 0.02 3.94 49.62 220.17 440.21 604.72 525.88 275.17 80.86 3.75 0.00 2204.12
S.D. 0.00 0.23 12.20 38.76 87.70 87.88 80.20 82.19 78.71 50.47 7.99 0.05 261.30
SKEW 0.00 10.63 5.17 0.86 0.34 0.10 0.26 0.20 0.25 0.96 2.79 10.54 0.10
MAX 0.00 2.50 96.50 176.50 463.00 708.00 843.00 777.50 475.50 249.00 43.50 0.50 2807.50
MIN 0.00 0.00 0.00 0.00 44.50 247.00 406.50 358.71 85.34 0.00 0.00 0.00 1589.66
NO YRS 114 116 116 116 114 110 110 112 112 114 110 114 96