SPOONER EXP FARM, WISCONSIN

Monthly Total Growing Degree Days

(478027)

Base Temperature = 40 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 535.00 q 0.00 z 636.00 243.00 9.50 0.50 889.00
1895 0.00 7.54 b 12.92 a 262.50 555.00 750.50 793.00 793.50 604.00 142.00 31.00 0.00 a 3951.96
1896 0.00 0.00 0.00 217.50 614.00 728.00 852.00 860.00 344.48 a 74.50 0.00 0.00 3690.48
1897 2.00 0.00 b 9.82 a 176.50 367.50 629.50 728.50 k 761.00 749.50 314.00 0.00 z 0.00 3009.82
1898 0.00 0.00 a 32.50 156.50 454.67 a 737.00 972.00 852.50 694.00 169.50 23.00 0.00 4091.67
1899 0.00 7.26 a 0.00 276.50 496.50 766.50 955.00 902.00 520.50 369.50 88.00 h 1.00 4294.76
1900 10.50 0.00 1.50 343.00 594.00 872.50 893.32 a 0.00 z 165.00 q 507.37 a 15.00 c 0.00 3237.18
1901 0.00 a 0.00 0.00 a 221.67 c 239.50 m 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 221.67
1902 0.00 z 0.00 h 0.00 z 88.50 564.09 c 589.14 a 902.10 a 718.37 e 0.00 z 0.00 z 0.00 p 0.00 i 2862.19
1903 0.00 a 0.00 6.50 109.50 495.50 0.00 z 0.00 z 0.00 z 0.00 z 248.00 c 39.50 k 0.00 b 859.50
1904 0.00 z 0.00 1.00 66.50 473.50 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 541.00
1905 0.00 0.00 57.02 c 96.21 a 347.72 a 567.00 f 654.50 h 379.00 q 634.66 a 144.31 b 13.97 a 0.00 1293.87
1906 0.00 0.00 b 0.00 b 0.00 z 345.00 f 0.00 z 0.00 z 0.00 z 495.50 g 230.00 28.50 0.00 258.50
1907 0.00 0.00 10.50 25.50 190.00 726.00 820.50 785.00 479.00 158.10 a 13.00 0.00 3207.60
1908 0.00 0.00 4.50 220.00 423.50 693.50 903.98 c 761.57 a 745.50 280.50 19.50 0.00 4052.55
1909 0.00 0.00 0.00 26.00 393.00 746.00 856.50 901.50 488.50 217.50 71.50 5.00 3705.50
1910 0.00 0.00 183.00 267.50 359.00 869.50 931.50 787.50 524.50 327.00 0.00 0.00 4249.50
1911 0.00 j 0.00 31.50 194.50 632.00 900.50 847.00 735.73 a 468.50 163.50 0.00 0.00 3973.23
1912 0.00 a 0.00 1.50 163.50 495.00 645.50 883.50 673.50 532.00 271.50 18.00 0.50 3684.50
1913 0.00 0.00 a 2.00 212.00 377.00 826.50 825.50 862.50 527.00 221.50 43.00 1.00 3898.00
1914 0.00 0.00 4.00 139.00 539.50 656.00 963.00 737.05 b 513.00 388.00 51.00 0.00 a 3990.55
1915 0.00 a 1.00 0.00 399.00 335.50 403.50 g 759.50 d 668.71 c 546.00 258.00 22.50 d 0.00 2990.21
1916 0.00 0.00 3.50 124.00 394.00 579.00 1066.83 b 861.50 472.00 219.50 30.00 a 0.00 a 3750.33
1917 0.00 0.00 b 0.00 63.50 340.48 a 590.69 a 908.50 729.00 496.55 a 48.00 50.69 a 0.00 3227.41
1918 0.00 a 0.00 49.60 a 108.50 542.50 a 733.50 860.52 b 839.21 c 349.14 a 264.02 a 62.59 a 0.00 a 3809.57
1919 0.00 a 0.00 a 14.97 b 113.33 c 463.00 856.50 928.45 a 776.00 577.50 b 169.98 a 4.50 0.00 a 3904.23
1920 0.00 0.00 47.03 b 59.00 481.00 686.50 775.00 700.50 579.00 413.00 0.50 0.00 3741.53
1921 0.00 0.00 31.00 269.00 578.00 884.42 d 1113.00 861.00 657.50 309.00 4.50 0.00 4707.42
1922 0.00 0.00 0.00 102.00 663.50 747.50 816.50 906.50 633.50 328.50 69.50 0.00 4267.50
1923 0.00 0.00 0.50 158.50 507.00 848.00 991.00 775.00 a 579.44 c 217.00 37.50 4.81 b 4118.75
1924 0.00 0.00 0.00 107.00 248.00 611.50 814.00 729.00 423.10 a 419.00 36.50 0.00 3388.10
1925 0.00 0.00 46.00 282.00 412.50 734.50 849.50 893.66 b 649.00 60.50 13.50 0.00 3941.16
1926 0.00 0.00 b 8.00 161.79 b 619.50 623.50 888.00 798.00 425.17 a 209.50 1.00 0.00 3734.46
1927 0.00 0.00 18.50 154.50 359.50 632.00 807.00 703.00 615.50 261.00 1.00 0.00 3552.00
1928 0.00 0.00 25.00 65.00 483.00 553.00 856.00 817.50 445.50 283.50 33.00 0.00 3561.50
1929 0.00 0.00 20.50 184.00 389.00 680.50 940.50 812.50 513.00 230.50 12.00 0.00 3782.50
1930 0.00 19.50 14.50 242.50 490.00 767.00 957.00 944.50 569.00 296.50 114.00 0.00 4414.50
1931 0.00 4.50 0.00 236.00 455.00 874.00 1009.00 806.50 749.00 376.00 105.00 0.00 4615.00
1932 0.00 1.00 0.00 148.45 a 502.50 875.50 946.00 884.50 481.00 157.50 26.00 0.00 4022.45
1933 0.00 0.00 1.72 d 136.50 533.50 1008.00 1009.50 812.50 672.50 201.00 28.50 0.00 4403.72
1934 0.00 0.00 0.50 115.50 738.83 a 813.00 934.00 784.62 b 454.00 304.83 a 39.50 0.00 4184.79
1935 0.00 0.00 11.50 145.00 383.00 623.50 1081.00 864.50 503.50 217.50 0.00 0.00 3829.50
1936 0.00 0.00 0.00 81.21 a 614.00 693.00 1153.00 912.50 684.00 176.50 7.00 0.00 4321.21
1937 0.00 0.00 0.00 106.50 518.00 719.00 971.85 a 1024.00 562.50 163.02 b 11.00 0.00 a 4075.87
1938 0.00 a 0.00 91.50 234.50 443.00 741.50 924.50 943.95 a 552.00 332.22 a 54.31 a 0.00 a 4317.48
1939 0.00 0.00 a 25.66 b 140.00 633.00 776.50 952.73 a 861.50 601.00 238.50 14.50 8.50 4251.89
1940 0.00 a 0.00 a 0.00 93.00 370.97 a 660.50 946.50 805.48 a 646.55 a 298.50 21.00 0.00 3842.50
1941 0.00 0.00 0.00 280.50 625.00 756.00 943.50 830.00 609.50 278.00 26.50 8.00 4357.00
1942 0.00 a 0.00 12.00 314.00 393.50 715.00 852.50 807.72 d 453.21 b 322.00 30.50 0.00 3900.44
1943 0.00 0.00 22.50 126.00 428.50 806.00 998.00 924.50 324.00 f 222.00 0.00 0.00 3527.50
1944 3.50 0.00 0.00 114.50 611.50 791.00 874.50 925.50 562.00 232.00 111.00 0.00 4225.50
1945 0.00 0.00 160.50 133.50 308.50 553.00 830.00 816.00 513.50 163.00 12.50 0.00 3490.50
1946 0.00 0.00 110.00 222.00 384.50 657.00 901.00 769.83 a 520.50 286.50 13.50 0.00 z 3864.83
1947 0.00 z 0.00 z 0.00 73.00 319.00 642.00 912.50 1087.50 575.50 527.00 28.50 0.00 4165.00
1948 0.00 0.00 22.45 b 268.00 456.73 a 710.00 963.00 916.57 a 686.38 a 248.00 c 54.00 0.00 4325.13
1949 0.00 0.00 1.50 190.50 554.79 b 382.00 r 972.37 a 910.88 a 463.89 c 361.00 38.65 d 0.00 a 3493.59
1950 0.00 a 0.00 0.00 42.50 404.55 a 752.50 824.60 a 718.34 b 552.32 b 349.27 a 11.00 0.00 c 3655.08
1951 0.00 0.00 0.00 a 109.50 567.00 611.50 867.50 707.50 411.72 a 228.37 a 7.00 13.00 3523.09
1952 0.00 0.00 1.50 278.00 448.50 784.50 912.95 a 775.50 589.66 a 123.50 45.52 a 0.00 a 3959.62
1953 0.00 a 0.00 15.50 69.64 b 485.50 793.50 873.17 a 917.00 552.22 c 453.50 93.10 a 0.00 4253.14
1954 0.00 6.50 2.00 188.50 325.00 813.00 900.50 788.00 499.66 a 184.00 47.50 0.00 3754.66
1955 0.00 a 0.00 20.50 331.00 617.00 730.50 1066.50 957.50 561.72 a 280.00 0.50 0.00 a 4565.22
1956 0.00 0.00 0.00 51.50 447.50 851.50 774.00 797.00 452.00 423.50 99.00 0.00 3896.00
1957 0.00 0.00 0.50 255.50 424.50 709.00 985.00 833.50 482.50 211.00 26.00 f 0.00 3901.50
1958 0.00 5.50 1.50 194.00 479.00 571.50 826.67 a 814.50 584.50 281.50 49.50 0.00 3808.17
1959 0.00 0.00 14.00 127.00 572.50 804.50 914.50 966.50 589.00 153.00 2.50 0.00 4143.50
1960 0.00 0.00 11.00 190.50 448.50 650.00 886.00 900.00 580.00 267.00 21.00 0.00 a 3954.00
1961 0.00 0.00 25.32 a 56.50 384.00 753.00 872.00 915.57 b 533.50 282.50 26.00 0.00 3848.39
1962 0.00 0.00 6.00 141.96 b 580.00 694.50 771.50 801.50 455.50 327.00 9.50 26.50 3813.96
1963 0.00 0.00 59.50 210.00 407.65 a 793.50 930.00 781.00 574.00 502.00 43.50 0.00 4301.15
1964 0.00 a 0.00 0.00 a 217.00 594.88 b 750.00 984.50 754.00 484.00 241.50 100.50 0.00 b 4126.38
1965 0.00 0.00 0.00 71.67 c 569.00 683.50 817.00 785.85 a 346.00 270.50 33.21 b 0.00 3576.73
1966 0.00 1.00 34.50 82.00 352.50 788.28 a 986.66 b 757.29 c 527.50 226.00 11.50 0.00 3767.22
1967 0.00 0.00 41.50 147.00 332.00 734.50 840.00 730.05 a 524.50 217.50 3.50 0.00 3570.55
1968 0.00 0.00 116.25 c 242.50 374.07 a 706.00 878.69 b 838.00 551.79 b 329.12 a 18.50 0.00 4054.91
1969 0.00 0.00 c 0.00 212.22 c 526.50 531.50 848.50 926.00 550.86 a 186.50 35.00 0.00 k 3817.08
1970 0.00 0.00 0.00 172.50 460.50 826.50 987.50 881.00 565.50 279.00 a 2.50 0.50 4175.50
1971 0.00 0.00 2.50 208.50 367.00 844.50 789.50 754.00 584.50 388.50 16.00 0.00 3955.00
1972 0.00 b 0.00 6.50 113.00 600.00 676.00 827.00 807.50 473.50 174.50 9.00 0.00 3687.00
1973 0.00 0.00 61.00 147.00 378.50 766.50 905.00 910.00 525.00 372.00 12.50 0.00 4077.50
1974 0.00 0.00 4.50 178.50 249.00 i 650.56 c 984.25 a 715.50 368.79 a 235.50 38.50 0.00 3176.10
1975 0.00 0.00 0.00 58.00 549.50 699.00 956.50 814.00 432.00 301.98 b 105.50 0.00 3916.48
1976 0.00 3.50 27.50 242.50 461.00 821.50 957.00 868.50 522.50 169.00 4.50 0.00 4077.50
1977 0.00 0.00 65.00 353.50 765.50 727.50 940.50 696.00 515.00 192.50 62.50 0.00 4318.00
1978 0.00 0.00 16.53 a 112.50 598.00 697.00 839.50 849.00 673.00 230.50 62.00 0.00 4078.03
1979 0.00 0.00 3.00 134.50 349.00 684.50 882.50 792.00 596.00 182.00 26.00 0.00 3649.50
1980 0.00 0.00 0.00 241.50 586.00 712.76 a 941.00 861.00 501.72 a 149.00 21.00 0.00 4013.98
1981 0.00 17.50 37.50 207.00 423.31 b 710.00 880.50 849.50 489.00 197.00 74.50 0.00 3885.81
1982 0.00 0.00 8.00 155.50 638.00 579.50 947.00 791.50 536.50 297.00 18.00 15.00 3986.00
1983 0.00 0.00 23.50 101.50 368.50 744.00 1017.50 940.00 588.00 215.00 33.00 0.00 4031.00
1984 0.00 4.00 0.00 188.00 414.50 795.00 890.50 931.50 451.00 344.00 19.50 0.00 4038.00
1985 0.00 0.00 26.35 a 304.00 625.00 624.00 851.50 733.50 527.50 215.00 7.50 0.00 3914.35
1986 0.00 0.00 63.50 285.50 560.00 773.00 937.50 745.00 535.50 221.50 8.00 0.00 4129.50
1987 0.00 0.00 94.50 363.50 621.00 853.00 1006.00 827.00 625.50 110.00 66.00 0.00 4566.50
1988 0.00 0.00 3.50 176.00 674.00 878.50 1055.00 953.00 601.00 153.50 11.50 0.00 4506.00
1989 0.00 0.00 21.50 157.00 509.00 705.00 990.50 870.50 564.00 302.00 0.00 z 0.00 4119.50
1990 0.00 0.00 56.00 252.50 421.00 785.50 891.50 806.00 610.50 209.50 93.00 0.00 4125.50
1991 0.00 0.00 34.50 259.00 630.00 871.00 897.50 911.00 522.50 196.00 1.50 0.00 4323.00
1992 0.00 0.00 5.50 109.00 582.00 680.00 716.50 718.00 527.50 248.00 0.00 0.00 3586.50
1993 0.50 0.00 14.50 107.00 474.00 649.00 859.50 877.00 390.50 197.50 0.50 0.00 3570.00
1994 0.00 1.00 11.00 160.50 550.50 801.50 833.50 770.00 638.00 325.50 47.00 0.00 4138.50
1995 0.00 0.00 38.00 59.50 446.00 874.50 923.00 980.50 520.50 242.00 0.00 0.00 4084.00
1996 0.00 0.00 6.50 104.50 436.00 778.50 817.50 867.00 597.00 277.00 4.50 0.00 3888.50
1997 0.00 0.00 10.00 168.00 353.50 820.50 878.50 772.50 609.00 327.00 3.50 0.00 3942.50
1998 0.00 7.50 64.50 277.50 728.50 706.50 925.50 945.00 747.00 325.50 37.50 16.00 4781.00
1999 0.00 0.00 52.50 238.00 618.00 780.50 1027.00 864.50 570.50 244.50 107.00 1.50 4504.00
2000 0.00 32.50 121.00 161.50 589.50 694.50 898.50 890.00 549.50 384.50 61.00 0.00 4382.50
2001 0.00 0.00 1.50 237.50 575.00 779.50 972.50 955.50 547.00 235.50 183.50 8.00 4495.50
2002 0.50 1.50 1.50 199.50 340.00 811.50 998.50 856.50 671.00 127.50 11.00 0.00 4019.00
2003 0.00 0.00 52.00 230.50 483.50 740.00 894.50 990.00 633.50 291.50 22.00 0.00 4337.50
2004 0.00 0.00 36.50 217.00 437.00 679.00 874.50 712.50 736.50 299.00 46.50 0.00 4038.50
2005 0.00 0.00 39.50 306.50 442.00 897.50 1012.50 907.00 753.50 336.50 71.00 0.00 4766.00
2006 3.50 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 900.00 497.00 0.00 z 35.50 0.00 1436.00
2007 0.00 0.00 87.50 233.00 601.00 853.50 952.00 887.50 602.50 345.00 21.50 0.00 4583.50
2008 0.00 0.00 3.00 124.50 388.00 707.00 933.00 856.00 597.00 211.00 81.00 0.00 3900.50
2009 0.00 0.50 34.50 166.50 463.00 702.00 0.00 z 771.00 694.50 89.00 61.00 0.00 2982.00
2010 0.00 0.00 56.50 311.50 552.00 722.00 961.50 946.50 440.50 281.00 54.00 0.00 4325.50
2011 0.00 0.00 2.50 126.00 445.50 727.00 1034.00 868.00 535.50 340.50 34.50 0.00 4113.50
2012 0.00 0.00 249.50 185.50 618.00 790.50 1065.50 855.00 531.50 46.50 t 0.00 z 0.00 z 4295.50
Period of Record Statistics
MEAN 0.18 1.05 24.91 175.59 486.09 738.23 914.72 835.69 552.53 257.57 33.50 0.96 4021.55
S.D. 1.10 4.07 39.52 80.85 110.08 89.64 80.20 82.29 88.53 90.63 32.84 3.64 327.92
SKEW 7.97 5.54 2.92 0.37 0.10 0.05 0.26 0.20 0.12 0.43 1.58 4.73 0.05
MAX 10.50 32.50 249.50 399.00 765.50 1008.00 1153.00 1087.50 753.50 527.00 183.50 26.50 4781.00
MIN 0.00 0.00 0.00 25.50 190.00 531.50 716.50 668.71 344.48 48.00 0.00 0.00 3207.60
NO YRS 114 116 116 116 114 110 110 112 112 114 110 114 96