MERRILL, WISCONSIN

Monthly Total Growing Degree Days

(475364)

Base Temperature = 40 F

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201207
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
1905 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 357.00 q 588.00 242.50 10.50 0.00 841.00
1906 0.00 0.00 0.00 201.50 444.00 708.00 858.50 909.00 697.50 208.50 26.50 0.00 4053.50
1907 0.00 0.00 26.00 29.50 243.00 736.50 847.00 731.00 484.00 184.00 10.00 0.00 3291.00
1908 0.00 0.00 6.50 225.00 547.50 849.00 985.00 825.00 755.00 279.00 30.00 0.00 4502.00
1909 0.00 0.00 0.00 z 0.00 z 363.50 754.50 0.00 z 972.00 558.50 210.50 150.50 9.00 3018.50
1910 0.00 0.00 197.50 226.00 337.00 828.50 962.50 838.00 404.50 i 0.00 z 0.00 z 0.00 z 3389.50
1911 0.00 b 0.00 45.00 55.00 n 657.50 0.00 z 0.00 z 788.90 b 0.00 z 212.50 7.50 0.00 1711.40
1912 0.00 0.00 1.55 a 158.28 a 496.52 a 699.81 d 916.50 730.64 b 647.07 a 246.50 20.00 0.00 3916.86
1913 0.00 0.00 7.15 e 209.50 428.50 850.00 885.57 a 919.15 a 580.00 235.50 11.50 4.50 4131.37
1914 0.00 0.00 3.00 146.00 566.00 679.50 986.50 830.50 589.50 410.00 37.50 3.00 4251.50
1915 0.00 0.00 0.00 386.50 328.00 593.50 774.00 674.50 558.00 231.50 42.50 0.00 3588.50
1916 0.00 c 0.00 7.00 119.00 415.00 619.00 1122.50 895.00 509.50 201.00 19.50 1.50 3909.00
1917 0.00 0.00 0.00 82.50 312.00 600.00 919.00 725.00 510.50 65.50 40.00 0.00 3254.50
1918 0.00 0.00 51.00 71.50 535.00 704.00 856.50 840.00 357.00 198.00 48.10 a 0.00 c 3661.10
1919 0.00 h 0.00 8.00 110.50 439.50 889.50 931.00 762.50 571.00 161.00 10.50 0.00 3883.50
1920 0.00 0.00 35.00 55.34 a 468.50 781.00 833.00 802.50 610.50 443.00 3.50 0.00 4032.34
1921 0.00 0.00 27.50 208.27 d 578.00 904.50 1107.45 b 860.50 661.50 286.75 e 1.00 0.00 4635.47
1922 0.00 0.00 0.00 129.50 677.00 771.50 834.50 853.50 590.00 0.00 z 30.50 f 0.00 e 3856.00
1923 0.00 0.00 b 0.00 131.50 227.50 h 714.00 0.00 z 666.50 568.50 188.50 23.50 0.50 2293.00
1924 0.00 0.00 0.00 85.86 a 264.50 629.50 805.00 763.50 449.50 402.48 a 24.31 a 0.00 3424.66
1925 0.00 0.50 42.00 268.50 346.00 793.50 890.50 877.82 a 625.50 115.50 10.00 0.00 3969.82
1926 0.00 0.00 3.50 113.50 520.00 598.93 b 884.00 827.50 457.00 188.00 7.24 a 0.00 3599.67
1927 0.00 a 0.00 a 26.00 152.50 337.90 a 649.50 828.50 692.00 583.00 283.00 10.50 0.00 3562.90
1928 0.00 c 0.00 32.00 50.50 540.00 599.50 907.50 854.50 462.00 268.31 b 14.50 0.00 3728.81
1929 0.00 0.00 13.50 178.00 392.50 666.50 908.50 791.50 553.50 246.50 23.50 0.00 3774.00
1930 0.00 20.50 0.00 e 189.50 520.50 776.00 911.73 c 924.50 602.50 264.00 97.50 0.00 4306.73
1931 0.00 0.50 1.50 210.00 451.00 864.50 1066.00 849.50 725.00 368.50 97.00 0.00 z 4633.50
1932 0.00 z 2.00 1.50 40.86 a 405.50 847.00 950.50 873.00 541.50 174.38 c 17.68 b 0.00 a 3853.92
1933 0.00 c 0.00 0.00 z 135.00 476.50 f 984.50 1062.00 849.50 694.00 0.00 z 0.00 z 0.00 a 3725.00
1934 0.00 e 0.00 b 0.00 d 96.50 770.50 950.50 1023.00 781.50 0.00 z 0.00 z 0.00 z 0.00 z 3622.00
1935 0.00 0.00 4.00 129.00 349.50 597.00 1057.00 866.50 500.00 199.50 0.50 0.00 3703.00
1936 0.00 0.00 6.00 58.50 609.00 683.00 1102.00 910.50 674.50 153.00 2.50 2.50 4201.50
1937 0.00 0.00 1.00 74.00 526.00 745.50 1032.00 1060.00 625.50 178.50 10.50 0.00 4253.00
1938 0.00 0.00 81.50 252.50 486.00 749.00 900.50 941.00 525.50 295.50 81.50 0.00 4313.00
1939 0.00 0.00 31.00 150.50 598.00 739.00 937.75 a 849.52 e 595.00 239.50 5.00 7.50 4152.77
1940 0.00 0.00 0.00 92.50 406.50 714.50 935.00 815.50 603.00 279.00 22.00 0.00 3868.00
1941 0.00 0.00 4.50 289.00 592.50 775.50 916.50 828.22 a 604.50 244.90 a 39.50 7.00 4302.12
1942 0.50 0.00 2.50 334.00 439.50 725.50 863.00 821.50 510.00 310.50 32.00 0.00 4039.00
1943 0.00 z 0.00 29.50 108.50 449.00 822.00 970.00 887.00 438.21 b 163.00 k 0.00 0.00 3704.21
1944 11.00 0.00 0.00 107.00 622.00 807.00 866.50 912.00 585.00 248.00 102.00 0.00 4260.50
1945 0.00 0.00 147.00 170.50 347.20 a 578.50 817.00 837.50 548.00 181.00 19.00 0.00 3645.70
1946 0.00 0.00 90.00 180.00 360.50 694.00 907.00 781.00 548.00 320.00 40.50 8.00 3929.00
1947 0.00 0.00 3.00 74.00 279.00 614.50 820.50 1007.00 590.00 441.50 35.50 0.00 3865.00
1948 0.00 b 0.00 l 25.00 315.00 569.00 0.00 z 1006.00 882.50 689.00 230.00 53.50 1.66 c 3771.66
1949 0.00 v 0.00 9.50 184.00 535.00 867.00 946.50 862.50 443.00 334.50 34.50 0.00 4216.50
1950 0.00 0.00 a 0.00 e 25.00 439.17 a 735.00 a 767.25 c 663.00 499.00 0.00 z 0.00 z 0.00 z 3128.42
1951 0.00 z 0.00 z 0.00 z 105.52 a 620.00 e 612.50 831.00 704.00 442.00 198.00 6.67 c 12.00 3531.68
1952 0.00 0.00 6.00 260.50 436.00 746.50 907.00 766.00 547.50 107.50 40.00 0.00 3817.00
1953 0.00 0.00 9.00 62.00 483.00 782.50 860.50 862.00 563.00 399.50 96.00 0.00 4117.50
1954 0.00 2.00 0.00 205.50 330.50 795.50 882.50 772.50 479.00 183.50 37.50 0.00 3688.50
1955 0.00 a 0.00 6.00 266.50 535.78 a 697.00 1026.00 957.50 569.00 275.00 3.62 a 0.00 4336.40
1956 0.00 0.00 0.00 47.59 a 438.00 806.50 790.00 826.50 466.00 397.00 91.00 0.00 3862.59
1957 0.00 0.00 0.50 253.50 432.50 723.00 953.50 816.00 496.61 b 208.50 21.21 a 0.00 3905.31
1958 0.00 0.50 0.00 160.50 438.50 580.50 823.00 803.50 563.00 301.50 53.79 a 0.00 a 3724.79
1959 0.00 a 0.00 0.00 z 129.64 b 579.46 e 747.69 d 889.38 b 942.92 a 568.89 c 143.12 a 3.00 0.00 b 4004.10
1960 0.00 g 0.00 b 1.66 c 212.31 d 455.18 a 664.00 867.48 a 885.50 604.00 255.23 a 13.97 a 5.34 b 3964.68
1961 0.00 0.00 16.53 a 68.00 335.66 b 719.50 859.00 847.50 522.00 243.00 11.50 2.00 3624.69
1962 0.00 b 0.00 c 6.50 129.50 570.40 a 662.07 a 768.80 a 562.00 j 409.80 e 321.50 4.50 g 21.50 g 2868.57
1963 0.00 b 0.00 35.50 187.76 a 416.95 a 801.21 a 962.00 801.50 591.96 b 506.00 52.50 0.00 4355.38
1964 0.00 0.00 0.00 205.50 637.00 750.00 a 973.50 776.50 505.34 a 208.00 129.50 0.00 4185.34
1965 0.00 d 0.00 0.00 b 58.50 615.50 702.50 841.50 785.00 418.00 264.50 25.00 0.00 3710.50
1966 0.00 a 0.00 23.00 91.50 363.50 796.50 1000.27 a 765.50 510.50 200.98 a 13.00 0.00 a 3764.75
1967 0.00 b 0.00 28.93 a 146.00 326.00 760.00 829.25 a 780.74 d 507.93 a 214.00 14.00 0.00 3606.85
1968 0.00 c 0.00 75.90 b 188.57 b 413.00 734.00 892.05 b 855.50 0.00 z 315.00 24.00 0.00 3498.02
1969 0.00 0.00 3.50 193.50 528.50 531.50 0.00 z 934.00 572.07 a 210.00 11.38 a 0.00 2984.45
1970 0.00 0.00 0.00 0.00 z 531.13 a 841.55 a 1011.78 b 870.67 b 611.38 a 326.61 c 22.00 g 0.00 l 4193.12
1971 0.00 a 0.00 a 0.00 161.90 a 372.00 850.00 c 594.50 f 757.90 b 565.18 b 434.00 a 35.89 b 0.00 d 3176.86
1972 0.00 0.00 4.43 c 98.50 592.62 a 673.97 a 811.50 0.00 z 509.00 183.33 b 6.50 0.00 a 2879.84
1973 0.50 0.00 45.47 a 170.69 a 346.68 a 777.93 a 921.45 b 896.86 b 494.42 d 0.00 z 7.00 0.00 z 3661.00
1974 0.00 a 0.00 f 7.75 a 214.82 b 17.00 z 0.00 z 0.00 z 572.00 f 272.88 d 155.00 b 17.07 a 0.00 e 667.53
1975 0.00 c 0.00 e 0.00 a 92.50 631.88 a 749.48 a 940.00 802.00 392.14 b 279.52 a 104.50 0.00 3992.03
1976 0.00 0.00 3.21 b 158.00 346.00 735.50 833.50 718.00 414.83 a 138.50 2.00 0.00 3349.53
1977 0.00 0.00 48.50 291.00 672.00 624.50 886.50 619.50 504.00 147.00 68.00 0.00 3861.00
1978 0.00 0.00 7.50 76.00 475.50 636.00 776.50 785.50 566.00 122.50 43.00 0.00 3488.50
1979 0.00 0.00 4.50 114.50 298.50 619.50 831.50 703.50 517.76 a 119.50 g 15.00 f 0.00 3089.76
1980 0.00 0.00 j 0.00 170.00 495.00 632.50 859.00 766.50 404.00 112.50 14.00 0.00 3453.50
1981 1.00 5.00 32.50 165.00 368.00 663.50 794.00 763.00 398.28 a 117.00 45.50 0.00 3352.78
1982 0.00 a 0.00 2.50 88.50 579.00 489.00 849.00 679.00 396.00 222.00 23.00 12.00 3340.00
1983 0.00 0.00 16.00 87.00 256.50 682.50 972.00 895.50 517.00 185.50 29.50 0.00 3641.50
1984 0.00 0.00 0.00 181.00 318.50 738.50 784.00 847.50 423.50 285.00 7.00 0.00 3585.00
1985 0.00 0.00 12.50 233.50 538.50 572.50 792.50 731.50 494.00 154.00 17.00 0.00 3546.00
1986 0.00 0.00 38.50 236.50 530.00 678.50 888.50 675.00 494.00 144.00 8.00 0.00 3693.00
1987 0.00 0.00 45.00 239.00 504.00 788.50 950.50 785.00 520.50 70.50 48.00 0.00 3951.00
1988 0.00 0.00 a 0.00 a 109.00 555.50 786.00 953.50 918.50 510.50 92.00 13.00 0.00 3938.00
1989 0.00 0.00 31.50 102.50 439.00 647.00 908.00 816.00 476.50 255.50 0.50 0.00 3676.50
1990 0.00 0.00 47.00 245.50 335.50 693.50 823.50 790.00 561.50 147.50 65.50 0.00 3709.50
1991 0.00 0.00 19.50 187.50 575.50 840.50 832.50 851.50 424.00 149.50 1.50 0.00 3882.00
1992 0.00 0.00 0.00 84.00 471.00 596.00 675.00 668.50 434.50 184.50 0.50 0.00 3114.00
1993 0.00 0.00 17.50 55.00 411.00 604.00 827.00 813.50 323.00 139.00 3.50 0.00 3193.50
1994 0.00 1.00 8.00 112.00 442.00 769.00 801.00 711.00 596.00 249.50 37.50 0.00 3727.00
1995 0.00 0.00 47.00 31.50 396.00 857.50 884.50 948.00 429.00 209.00 0.00 0.00 3802.50
1996 0.00 0.00 2.00 74.00 341.50 692.50 744.50 799.50 515.50 191.00 5.00 0.00 3365.50
1997 0.00 0.00 4.00 103.00 250.00 751.00 820.50 666.50 538.00 247.50 12.50 0.00 3393.00
1998 0.00 0.00 52.00 198.50 640.50 688.50 887.00 873.00 647.50 243.50 32.50 19.50 4282.50
1999 0.00 0.00 13.50 192.50 536.00 743.50 974.00 758.50 480.00 152.00 62.50 0.00 3912.50
2000 0.00 13.00 78.50 129.00 494.00 647.00 830.50 819.00 500.00 282.50 53.50 0.00 3847.00
2001 0.00 0.00 0.00 196.50 503.00 703.50 871.00 865.50 219.50 n 158.50 95.00 11.50 3404.50
2002 0.00 0.00 1.00 163.00 302.00 776.00 1010.50 830.50 602.50 127.00 12.50 0.50 3825.50
2003 0.00 0.00 45.50 167.50 394.50 684.00 861.50 912.00 558.00 190.00 6.00 0.00 3819.00
2004 0.00 0.00 19.00 127.50 345.50 627.50 800.50 636.50 642.00 188.00 22.00 0.00 3408.50
2005 0.00 0.00 29.50 202.50 372.00 875.00 939.50 850.00 642.00 250.00 21.50 0.00 4182.00
2006 0.00 0.00 9.50 248.50 478.50 734.00 993.00 819.50 434.50 132.50 35.50 0.00 3885.50
2007 0.00 0.00 85.50 181.00 595.50 813.00 922.00 860.00 612.50 367.00 12.00 0.00 4448.50
2008 0.00 0.00 0.00 159.00 344.00 709.00 886.00 817.50 603.00 190.00 65.50 0.00 3774.00
2009 0.00 0.00 13.50 113.00 450.00 700.00 725.50 756.00 618.50 85.50 44.50 0.00 3506.50
2010 0.00 0.00 56.50 282.00 545.00 728.00 951.50 949.50 448.50 248.00 32.50 0.00 4241.50
2011 0.00 0.00 2.50 65.50 429.19 b 730.00 1012.50 861.00 470.00 279.50 28.50 0.00 a 3878.69
2012 0.00 0.00 258.50 154.00 597.50 830.00 1082.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 2922.00
Period of Record Statistics
MEAN 0.13 0.44 22.26 153.75 462.00 725.79 898.78 819.47 533.40 229.88 30.91 1.08 3838.97
S.D. 1.10 2.43 38.69 73.62 112.21 91.97 88.81 83.74 87.13 87.87 30.56 3.19 330.34
SKEW 9.73 6.94 3.63 0.50 0.16 0.13 0.33 -0.07 -0.16 0.74 1.62 3.54 0.09
MAX 11.00 20.50 258.50 386.50 770.50 984.50 1122.50 1060.00 755.00 506.00 150.50 19.50 4635.47
MIN 0.00 0.00 0.00 25.00 243.00 489.00 675.00 619.50 272.88 65.50 0.00 0.00 3114.00
NO YRS 101 103 103 104 104 104 101 103 102 99 99 100 78