COOPERSTOWN, NORTH DAKOTA

Monthly Total Growing Degree Days

(321766)

Base Temperature = 40 F

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201208
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
1903 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 152.00 30.50 n 0.00 q 152.00
1904 0.00 0.00 0.00 z 56.50 m 415.40 a 460.50 f 682.00 639.00 392.00 226.76 d 52.00 h 0.00 2355.16
1905 0.00 a 0.50 30.00 88.45 a 295.00 565.50 769.00 814.00 603.50 0.00 z 0.00 z 0.00 z 3165.95
1906 0.00 z 0.00 z 0.00 z 214.50 h 404.03 a 676.55 a 578.50 h 813.50 677.40 e 184.50 h 0.00 z 0.00 z 2571.49
1907 0.00 z 0.00 a 1.66 c 23.00 219.77 c 469.00 k 820.00 769.83 a 0.00 z 0.00 z 0.00 z 0.00 z 1834.26
1908 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
1909 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
1910 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
1911 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
1912 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
1913 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
1914 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
1915 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
1916 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
1917 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
1918 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
1919 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
1920 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
1921 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
1922 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
1923 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
1924 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
1925 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
1926 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
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 0.00 0.00 8.00 74.50 289.50 644.50 1047.00 808.00 493.50 218.00 0.00 0.00 3583.00
1936 0.00 0.00 a 0.00 86.00 653.00 774.50 1214.50 907.00 559.50 148.00 13.00 0.00 4355.50
1937 0.00 a 0.00 0.00 56.50 468.50 661.50 924.50 976.00 491.00 124.50 11.38 a 0.00 3713.88
1938 0.00 a 0.00 69.00 262.00 322.00 621.72 a 822.50 865.00 539.00 262.50 15.00 0.00 a 3778.72
1939 0.00 a 0.00 31.50 136.50 615.50 624.00 1005.00 931.50 554.00 157.00 24.00 11.50 4090.50
1940 0.00 0.00 0.00 94.00 438.00 659.50 1006.00 843.00 680.50 276.42 a 1.00 0.00 3998.42
1941 0.00 0.00 0.00 193.50 557.00 732.00 942.92 a 861.00 502.50 189.00 4.50 3.50 3985.92
1942 0.00 0.00 3.50 247.00 334.00 610.00 810.00 767.00 391.50 299.00 46.00 0.00 3508.00
1943 0.00 0.00 22.00 229.00 375.00 682.00 1023.00 900.50 492.41 a 306.50 6.21 a 0.00 4036.62
1944 0.52 a 0.00 0.00 118.50 590.50 742.24 a 910.00 854.00 523.50 258.00 15.50 0.00 4012.76
1945 0.00 0.00 106.50 83.50 268.00 574.00 865.00 866.00 467.00 218.50 0.00 0.00 3448.50
1946 0.00 0.00 73.50 227.00 357.50 694.50 885.50 787.50 456.00 124.00 5.50 0.00 a 3611.00
1947 0.00 0.00 3.00 92.00 296.50 588.50 874.50 1020.50 499.00 374.50 17.00 0.00 3765.50
1948 0.00 0.00 0.00 146.00 467.50 695.00 941.00 904.50 724.00 209.50 13.00 0.00 4100.50
1949 0.00 a 0.00 0.00 253.97 a 502.50 739.50 917.00 66.50 z 451.00 214.00 32.50 0.00 3110.47
1950 0.00 0.00 0.00 32.50 347.50 745.00 826.00 695.50 0.00 z 94.50 j 2.50 0.00 b 2649.00
1951 0.00 0.00 c 0.00 99.83 a 540.00 360.00 h 713.50 f 722.50 404.00 194.50 0.00 b 0.00 1960.83
1952 0.00 0.00 0.00 311.50 487.50 776.50 895.00 846.00 653.57 b 147.25 c 18.50 0.00 4135.82
1953 0.00 i 0.00 8.00 54.50 426.00 718.97 a 887.00 977.50 538.00 409.41 b 64.00 0.00 4083.38
1954 0.00 0.00 1.55 a 148.45 a 337.50 688.00 952.50 828.73 a 477.50 183.00 19.14 a 0.00 3636.37
1955 0.00 0.00 10.50 312.00 562.59 d 695.69 a 1014.00 981.00 533.79 a 271.25 a 6.00 0.00 4386.83
1956 0.00 0.00 0.00 a 16.00 432.50 873.50 824.00 842.00 420.00 a 309.50 10.50 0.00 l 3728.00
1957 0.00 0.00 9.82 a 171.21 a 457.50 630.00 1014.50 830.50 434.00 202.50 3.60 e 0.00 3753.62
1958 0.00 b 11.00 11.50 127.50 d 524.50 543.10 a 788.00 884.00 582.93 a 254.20 a 15.52 a 0.00 3742.25
1959 0.00 b 0.00 12.40 a 132.22 c 403.50 782.07 a 952.00 975.50 525.00 a 80.00 0.00 0.00 3862.69
1960 0.00 0.00 b 0.00 a 111.50 496.52 a 660.52 a 968.00 930.50 597.50 255.50 6.50 0.00 4026.53
1961 0.00 0.00 18.50 41.25 b 393.00 853.00 869.50 989.00 461.50 238.00 18.00 0.00 b 3881.75
1962 0.00 a 0.00 a 0.00 141.50 333.50 f 717.78 c 836.50 931.55 a 466.00 317.50 8.50 0.00 b 3419.33
1963 0.00 0.00 86.50 169.50 439.00 860.50 987.00 918.50 661.00 522.00 32.50 0.00 4676.50
1964 0.00 0.00 0.00 178.00 576.60 a 698.50 997.00 783.00 460.00 221.00 47.50 0.00 3961.60
1965 0.00 0.00 0.00 104.00 457.50 716.00 891.77 a 825.50 237.50 267.50 28.50 0.00 3528.27
1966 0.00 0.00 22.00 68.00 390.50 755.00 1016.50 805.00 570.50 222.50 0.00 0.00 3850.00
1967 0.00 b 0.00 34.00 74.50 393.50 694.50 911.50 870.50 645.00 188.58 a 17.50 0.00 3829.58
1968 0.00 0.00 74.50 179.00 371.00 695.50 869.00 778.00 527.50 201.00 4.00 0.00 3699.50
1969 0.00 0.00 0.00 194.50 514.00 535.00 878.50 1015.50 561.00 88.50 12.00 2.00 3801.00
1970 0.00 0.00 a 0.00 i 82.50 f 381.50 851.50 1004.00 932.00 570.50 205.50 0.00 0.00 3945.00
1971 0.00 0.00 5.00 206.50 430.00 803.50 785.50 909.00 539.00 273.00 0.00 0.00 3951.50
1972 0.00 0.00 2.00 92.50 588.00 794.00 818.50 926.50 505.50 200.50 0.00 0.00 3927.50
1973 0.00 0.00 17.00 134.00 501.00 785.00 942.00 1004.50 470.00 313.00 0.00 0.00 4166.50
1974 0.00 c 0.00 0.00 145.00 359.00 763.00 1045.50 762.00 452.00 255.00 11.50 0.00 c 3793.00
1975 0.00 0.00 2.50 42.12 d 509.00 739.50 1015.50 839.00 470.00 269.50 87.00 0.00 3974.12
1976 0.00 0.00 7.00 195.00 544.50 827.00 975.50 1013.50 643.00 193.50 8.50 0.00 a 4407.50
1977 0.00 0.00 21.00 352.50 806.00 806.50 947.50 661.50 478.50 252.50 42.00 0.00 4368.00
1978 0.00 0.00 17.00 110.00 620.50 770.00 932.00 901.00 715.50 232.00 55.50 0.00 4353.50
1979 0.00 0.00 0.00 a 36.00 310.50 743.00 957.50 818.00 656.00 166.00 0.00 0.00 3687.00
1980 0.00 0.00 0.00 310.00 648.50 762.00 967.00 773.93 b 480.50 167.00 29.00 0.00 a 4137.93
1981 0.00 0.00 a 25.00 209.50 452.00 644.50 925.00 911.00 511.50 206.50 85.56 c 0.00 3970.56
1982 0.00 0.00 0.00 166.00 501.50 599.50 934.50 861.00 521.50 202.00 1.00 0.00 3787.00
1983 0.00 0.00 0.00 87.50 355.50 740.50 1046.50 1093.50 529.50 165.00 36.00 0.00 4054.00
1984 0.00 0.00 0.00 146.50 444.00 765.50 947.50 1010.00 436.00 270.00 8.50 0.00 4028.00
1985 0.00 0.00 31.50 275.50 637.50 599.50 934.00 757.00 420.50 146.00 4.00 0.00 3805.50
1986 0.00 0.00 72.50 139.50 534.00 815.00 937.50 767.50 424.00 189.50 3.00 0.00 3882.50
1987 0.00 0.00 0.00 349.00 645.00 869.50 983.00 788.50 591.00 147.50 38.50 0.00 4412.00
1988 0.00 0.00 2.00 183.00 690.50 984.00 1026.50 922.00 521.00 171.00 4.50 0.00 4504.50
1989 0.00 0.00 0.00 147.00 534.00 701.00 1059.00 920.50 575.00 250.50 1.50 0.00 4188.50
1990 0.00 0.00 26.50 189.50 430.50 757.00 874.50 907.00 639.00 187.00 14.00 2.50 4027.50
1991 0.00 2.50 13.50 225.00 617.00 828.50 896.00 947.50 549.00 169.50 0.00 0.00 4248.50
1992 0.00 0.00 14.50 137.50 594.50 633.00 689.50 736.00 479.00 200.00 0.00 0.00 3484.00
1993 0.00 0.00 0.00 101.50 473.50 608.00 756.00 828.50 424.00 173.00 0.00 0.00 3364.50
1994 0.00 z 0.00 z 0.00 z 0.00 z 554.50 765.00 793.50 770.50 593.50 240.00 4.50 0.00 3721.50
1995 0.00 0.00 5.50 35.00 408.50 849.50 860.00 904.00 515.00 124.50 0.00 0.00 3702.00
1996 0.00 0.00 0.00 42.50 375.50 790.50 854.00 889.00 530.50 166.00 3.50 0.00 3651.50
1997 0.00 0.00 0.00 86.50 357.50 837.00 880.00 761.00 564.50 240.00 0.00 0.00 3726.50
1998 0.00 0.00 15.00 216.00 549.50 602.50 869.50 899.50 605.50 161.00 0.00 0.00 3918.50
1999 0.00 0.00 9.50 154.50 467.50 690.52 a 865.50 794.50 400.50 127.00 43.50 0.00 3553.02
2000 0.00 a 2.59 a 43.00 0.00 z 0.00 z 604.66 a 851.00 809.21 b 441.00 214.50 18.10 a 0.00 2984.05
2001 0.00 a 0.00 z 0.00 a 162.00 489.00 658.00 879.00 879.00 498.50 103.50 57.00 0.00 a 3726.00
2002 1.50 0.00 1.50 125.00 289.00 770.50 923.50 774.50 554.00 41.50 6.00 0.00 3487.00
2003 0.00 0.00 17.50 187.50 383.00 649.50 819.00 906.00 464.00 248.00 0.00 0.00 3674.50
2004 0.00 b 0.00 4.00 108.50 312.00 583.00 765.00 597.50 554.50 178.00 8.04 b 0.00 a 3110.54
2005 0.00 0.00 a 9.00 234.50 382.50 754.00 889.50 749.50 572.00 205.00 14.50 0.00 3810.50
2006 0.00 0.00 0.00 245.50 486.00 735.50 981.50 826.50 451.00 127.50 24.50 0.00 3878.00
2007 0.00 0.00 z 24.00 191.50 502.00 765.50 925.50 734.00 507.50 202.00 17.50 0.00 3869.50
2008 0.00 0.00 0.00 70.00 335.00 598.00 818.00 807.00 484.00 150.00 36.50 0.00 3298.50
2009 0.00 c 0.00 0.00 95.00 349.00 529.50 f 716.50 725.00 653.50 52.00 31.50 0.00 2622.50
2010 0.00 0.00 37.50 236.50 423.50 675.50 877.50 868.00 398.00 250.00 35.00 0.00 z 3801.50
2011 0.00 0.00 0.00 104.44 c 388.03 b 696.96 b 924.32 a 829.80 c 459.50 307.86 b 20.50 0.00 a 3731.43
2012 0.00 0.00 b 143.00 171.96 b 445.22 b 757.50 d 654.50 k 763.24 b 0.00 z 0.00 z 0.00 z 0.00 z 2280.93
Period of Record Statistics
MEAN 0.03 0.21 15.44 149.69 456.56 716.65 907.98 852.31 520.28 211.22 16.49 0.25 3887.92
S.D. 0.18 1.30 26.74 79.18 112.08 89.30 92.14 94.09 85.87 75.92 19.51 1.40 306.21
SKEW 7.58 7.57 2.63 0.54 0.44 0.17 0.07 -0.05 0.05 0.90 1.68 7.05 0.17
MAX 1.50 11.00 143.00 352.50 806.00 984.00 1214.50 1093.50 724.00 522.00 87.00 11.50 4676.50
MIN 0.00 0.00 0.00 16.00 219.77 535.00 682.00 597.50 237.50 41.50 0.00 0.00 3110.54
NO YRS 78 78 78 77 80 78 79 81 79 78 77 77 64