DETROIT LAKES 1 NNE, MINNESOTA

Monthly Total Growing Degree Days

(212142)

Base Temperature = 40 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201302
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
1895 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
1896 0.00 b 0.00 c 0.00 c 202.50 0.00 z 0.00 z 904.50 789.93 d 437.22 c 204.71 b 0.00 t 0.00 l 2538.85
1897 0.00 0.00 j 9.00 n 129.00 559.00 558.00 952.98 b 720.15 e 872.50 98.50 m 5.00 c 0.00 c 3796.64
1898 0.00 p 0.00 d 1.11 c 96.00 361.50 674.00 823.05 a 742.50 510.50 102.50 0.60 e 0.00 3311.76
1899 0.00 0.00 0.00 b 160.00 384.73 c 682.00 850.50 788.50 428.00 154.00 20.50 0.00 3468.23
1900 0.00 0.00 1.00 269.00 533.00 728.89 c 741.50 968.50 485.00 254.00 l 8.57 b 0.00 b 3735.46
1901 0.00 0.00 0.00 203.28 a 541.00 687.93 a 981.00 812.50 366.35 d 234.50 0.00 0.00 b 3826.55
1902 0.00 a 3.11 a 34.00 95.00 527.50 565.00 852.00 727.50 400.50 128.50 19.50 0.00 3352.61
1903 0.00 0.00 0.00 101.00 478.36 b 647.50 773.00 686.00 374.00 189.50 41.00 0.00 3290.36
1904 0.00 z 0.00 0.00 c 62.50 397.50 609.00 692.00 692.00 398.50 186.50 45.00 0.00 a 3083.00
1905 0.00 b 0.00 f 28.50 82.24 a 286.50 586.50 752.78 a 816.00 580.00 162.00 1.50 0.00 3296.02
1906 0.00 b 0.00 j 0.00 k 208.45 a 345.65 a 654.83 a 809.50 765.50 601.50 151.50 g 9.00 0.00 3394.43
1907 0.00 a 0.00 b 3.44 d 3.89 c 142.50 652.76 a 797.50 722.00 368.79 a 130.41 b 1.50 0.00 2822.80
1908 0.00 0.00 0.00 152.50 363.00 608.00 853.07 d 707.00 638.57 b 173.71 b 9.81 d 0.00 c 3505.66
1909 0.00 0.00 0.00 11.50 405.21 c 717.00 866.45 a 934.00 541.00 191.34 b 37.78 c 0.00 3704.29
1910 0.00 0.00 95.00 196.50 308.00 828.00 911.00 736.50 434.50 336.35 a 0.00 0.00 3845.85
1911 0.00 0.00 38.75 e 180.00 595.50 879.00 836.50 721.50 436.50 176.50 0.00 b 0.00 3864.25
1912 0.00 0.00 6.50 183.50 448.50 686.00 854.50 701.50 422.00 191.50 9.64 b 0.00 3503.64
1913 0.00 0.00 0.00 197.00 323.50 808.00 769.50 830.50 467.00 137.50 8.00 0.00 3541.00
1914 0.00 0.00 0.00 c 101.00 501.50 665.00 1011.00 750.00 537.00 344.50 21.50 0.00 3931.50
1915 0.00 0.00 a 0.00 303.62 a 316.50 536.00 723.91 d 726.00 484.50 182.50 6.00 0.00 3279.03
1916 0.00 a 0.00 1.55 a 45.50 335.32 a 541.00 1056.50 776.00 420.00 98.00 9.31 a 0.00 a 3283.18
1917 0.00 0.00 0.00 25.00 364.25 a 596.00 938.50 750.20 a 457.50 34.00 30.00 0.00 3195.45
1918 0.00 0.00 40.00 87.00 408.00 669.00 803.42 a 833.00 347.00 295.00 29.50 g 0.00 3482.42
1919 0.00 0.00 9.50 132.69 d 491.50 822.50 962.00 803.50 553.00 96.50 0.00 0.00 b 3871.19
1920 0.00 0.00 34.50 38.00 447.50 709.00 829.00 837.50 621.00 357.02 a 2.50 g 0.00 3873.52
1921 0.00 0.00 8.50 197.50 499.50 907.00 1047.50 867.50 520.00 215.50 1.00 0.00 4264.00
1922 0.00 0.00 0.00 a 107.50 619.50 774.50 813.00 988.50 671.00 281.00 28.50 0.00 4283.50
1923 0.00 0.00 0.00 127.24 a 499.10 a 853.50 1010.00 737.00 612.00 262.98 a 37.50 0.00 4139.32
1924 0.00 0.00 0.50 102.00 198.50 630.00 806.52 a 789.98 a 453.00 406.10 a 8.50 0.00 3395.10
1925 0.00 0.00 e 34.50 269.00 400.50 685.50 822.50 930.00 618.50 29.00 2.50 0.00 3792.00
1926 0.00 0.00 16.50 158.50 611.50 598.50 941.50 796.00 402.00 145.50 0.00 0.00 3670.00
1927 0.00 0.00 10.00 136.50 300.50 673.00 806.00 746.50 556.03 a 247.50 1.00 0.00 3477.03
1928 0.00 0.00 a 29.50 76.00 541.00 584.50 886.50 831.00 426.50 198.50 14.00 0.00 3587.50
1929 0.00 0.00 21.00 121.00 341.00 679.00 940.00 892.50 478.00 211.50 3.50 0.00 3687.50
1930 0.00 2.00 3.50 191.50 434.50 753.00 1015.50 1000.00 551.50 235.00 13.00 0.00 4199.50
1931 0.00 0.00 0.00 193.00 414.00 866.00 966.50 810.00 721.00 308.50 50.50 0.00 4329.50
1932 0.00 4.46 c 0.52 a 141.50 514.50 869.00 962.50 885.50 541.00 138.00 5.00 0.00 4061.98
1933 0.00 0.00 1.50 120.00 483.50 962.00 1017.83 a 835.50 638.50 180.50 6.00 0.00 4245.33
1934 0.00 i 0.00 z 0.00 i 101.50 661.50 759.00 906.50 786.50 383.00 331.00 14.00 0.00 3943.00
1935 0.00 0.00 4.50 89.50 323.50 564.00 1045.00 832.50 488.00 182.50 0.00 0.00 3529.50
1936 0.00 0.00 0.00 40.50 588.50 683.50 1151.50 899.00 603.50 145.00 2.00 0.00 4113.50
1937 0.00 0.00 0.00 74.50 485.50 661.00 936.50 986.00 516.50 138.50 15.50 0.00 3814.00
1938 0.00 0.00 53.50 171.50 353.00 693.00 882.50 937.00 539.50 346.50 31.50 0.00 4008.00
1939 0.00 0.00 25.00 117.00 614.00 702.50 952.22 a 887.00 596.00 156.50 13.50 8.00 4071.72
1940 0.00 0.00 0.00 64.00 372.00 657.50 904.50 778.62 a 634.50 355.50 8.50 0.00 3775.12
1941 0.00 a 0.00 a 3.00 239.50 586.50 755.50 950.50 848.50 521.50 240.00 5.00 10.85 a 4160.85
1942 0.00 0.00 11.50 278.50 336.87 a 624.50 812.20 a 788.00 414.00 291.00 3.00 0.00 a 3559.57
1943 0.00 0.00 11.00 123.62 a 280.55 a 695.00 1006.47 a 891.50 441.50 275.50 0.00 0.00 b 3725.14
1944 0.00 b 0.00 a 0.00 75.50 507.50 750.00 867.50 849.50 505.00 233.00 49.00 0.00 3837.00
1945 0.00 0.00 k 56.50 48.50 286.00 588.50 863.00 858.00 450.00 182.00 0.00 a 0.00 3332.50
1946 0.00 a 0.00 a 49.50 236.50 394.00 739.00 968.00 826.50 493.00 178.00 24.00 0.00 a 3908.50
1947 0.00 0.00 0.00 44.50 292.00 649.00 983.73 a 1070.00 561.50 423.15 a 38.50 0.00 4062.38
1948 0.00 b 0.00 0.00 158.50 466.00 721.00 964.50 906.50 731.00 280.50 30.00 0.00 4258.00
1949 0.00 0.00 b 0.00 a 121.00 g 508.18 c 758.00 942.00 955.00 432.00 268.50 22.50 0.00 3886.18
1950 0.00 0.00 0.00 22.50 320.00 739.66 a 840.00 752.78 a 609.50 256.02 b 20.00 0.00 a 3560.46
1951 0.00 0.00 0.00 a 64.00 546.00 608.00 861.50 745.50 399.00 218.50 0.00 0.00 3442.50
1952 0.00 a 0.00 0.00 a 204.50 410.50 721.00 831.00 772.00 533.28 a 85.00 19.14 a 0.00 b 3576.41
1953 0.00 c 0.00 c 2.07 a 32.00 382.00 693.00 821.00 887.50 445.71 b 257.50 f 52.00 0.00 z 3315.28
1954 0.00 j 0.00 i 0.00 b 101.00 278.00 674.50 857.50 765.50 420.00 151.00 26.50 0.00 3274.00
1955 0.00 z 0.00 b 5.34 b 273.50 591.58 a 686.00 925.00 874.50 401.00 166.50 1.50 0.00 a 3924.93
1956 0.00 b 0.00 e 0.00 b 6.50 336.00 790.00 738.83 a 748.00 339.00 236.63 a 40.86 a 0.00 b 3235.83
1957 0.00 a 0.00 a 0.00 b 163.00 374.50 581.50 942.50 740.50 409.66 a 182.00 7.50 0.00 i 3401.16
1958 0.00 i 22.75 d 1.60 b 128.50 407.81 b 446.90 a 680.45 a 754.69 b 458.04 b 150.87 a 10.50 0.00 b 3062.10
1959 0.00 a 0.00 5.50 127.50 b 465.50 731.50 863.19 b 923.59 b 487.76 a 78.00 0.00 c 0.00 d 3682.53
1960 0.00 b 0.00 0.00 d 114.31 a 434.52 a 620.50 872.28 b 864.12 c 509.48 a 235.82 c 2.50 0.00 c 3653.53
1961 0.00 z 5.60 c 15.50 a 38.00 318.27 a 752.50 780.96 e 757.50 f 319.50 f 205.50 9.64 b 0.00 b 2125.97
1962 0.00 e 0.00 a 0.00 c 0.00 z 440.50 655.38 d 769.00 843.00 430.50 310.52 a 7.50 9.30 a 3465.70
1963 0.00 0.00 67.50 178.00 367.41 d 825.00 923.00 804.50 581.50 489.50 0.00 z 0.00 a 4236.41
1964 0.00 0.00 2.50 174.81 d 523.00 0.00 z 0.00 z 722.50 445.50 219.50 76.67 c 0.00 a 2164.47
1965 0.00 0.00 b 0.00 84.50 447.50 674.00 815.76 d 764.50 261.50 0.00 z 0.00 z 0.00 a 3047.76
1966 0.00 a 0.00 14.00 54.50 328.50 713.00 962.50 737.50 496.00 184.50 0.00 0.00 3490.50
1967 0.00 0.00 35.50 98.50 312.00 663.00 800.50 748.50 532.50 178.00 14.00 0.00 3382.50
1968 0.00 0.00 78.50 143.00 335.50 675.00 833.50 789.50 522.50 232.50 8.50 0.00 3618.50
1969 0.00 0.00 0.00 169.00 442.00 495.50 814.50 925.00 520.50 112.00 37.50 0.00 3516.00
1970 0.00 0.00 0.00 104.50 385.50 764.50 909.50 824.00 531.00 197.00 0.00 0.00 3716.00
1971 0.00 0.00 3.00 196.50 361.50 772.50 730.00 762.00 530.00 271.50 1.55 a 0.00 3628.55
1972 0.00 0.00 2.00 85.00 544.00 669.00 744.00 780.00 402.00 157.50 0.00 0.00 3383.50
1973 0.00 0.00 26.50 131.00 423.00 736.50 856.00 981.50 530.50 335.50 4.50 0.00 4025.00
1974 0.00 0.00 a 0.00 134.50 333.50 683.00 987.50 731.00 406.00 232.50 11.50 0.00 3519.50
1975 0.00 0.00 0.00 30.00 459.00 664.50 945.50 743.50 339.00 259.00 61.00 0.00 3501.50
1976 0.00 0.00 18.00 86.00 k 469.00 795.00 894.00 953.00 542.50 169.00 8.00 0.00 3848.50
1977 0.00 0.00 38.50 317.00 775.00 737.00 928.40 b 625.68 a 483.50 190.50 39.31 a 0.00 4134.89
1978 0.00 0.00 15.00 111.50 563.50 657.50 841.00 807.50 580.00 163.00 0.00 z 0.00 3739.00
1979 0.00 0.00 0.00 72.50 281.00 656.00 816.50 653.00 519.50 135.50 0.00 z 0.00 z 3134.00
1980 0.00 0.00 0.00 219.00 518.00 575.50 831.00 730.50 416.79 b 158.00 21.00 0.00 3469.79
1981 0.00 a 4.00 37.00 194.00 440.00 605.50 879.00 830.50 504.00 199.00 76.50 0.00 3769.50
1982 0.00 0.00 0.00 164.50 530.50 517.00 844.00 798.00 483.00 206.50 0.50 4.00 3548.00
1983 0.00 a 0.00 0.00 89.50 364.00 679.50 960.00 1036.00 562.50 160.50 24.00 0.00 3876.00
1984 0.00 0.00 z 0.00 173.50 443.50 762.00 904.00 984.00 407.00 322.00 16.50 0.00 4012.50
1985 0.00 0.00 17.00 254.50 621.00 596.50 886.00 720.50 442.50 163.00 5.50 0.00 3706.50
1986 0.00 0.00 51.50 152.00 543.00 795.00 946.00 753.50 480.00 213.00 2.00 0.00 3936.00
1987 0.00 a 0.00 38.50 352.00 638.50 814.50 980.00 777.00 521.00 113.50 37.50 0.00 4272.50
1988 0.00 0.00 z 2.50 151.50 709.00 934.50 976.00 953.50 507.50 120.50 0.00 0.00 4355.00
1989 0.00 0.00 0.00 137.00 491.50 638.50 985.00 838.00 509.50 209.00 0.00 0.00 3808.50
1990 0.00 0.00 19.50 183.50 400.00 711.00 797.50 827.50 556.00 146.50 43.00 0.00 3684.50
1991 0.00 0.00 13.50 192.00 615.00 820.50 835.50 0.00 z 470.50 117.00 0.00 0.00 3064.00
1992 0.00 0.00 a 0.00 z 99.50 530.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 629.50
1993 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
1994 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 717.50 763.50 670.50 571.50 272.00 14.00 0.00 3009.00
1995 0.00 0.00 29.50 23.00 404.00 836.00 833.50 917.50 506.50 146.00 0.00 0.00 3696.00
1996 0.00 0.00 0.00 55.00 383.00 764.50 792.50 874.00 526.00 0.00 z 0.50 0.00 3395.50
1997 0.00 z 0.00 z 0.00 z 0.00 z 344.50 787.50 833.79 b 794.00 619.00 289.00 0.00 0.00 3667.79
1998 0.00 2.50 18.00 197.00 591.00 623.00 861.00 924.00 790.00 308.00 9.00 5.50 4329.00
1999 0.00 0.00 48.50 276.50 625.50 845.00 1059.00 952.50 541.50 174.00 62.50 2.00 4587.00
2000 0.00 11.50 101.50 207.50 614.00 747.00 1009.50 962.50 581.00 352.50 54.50 0.00 4641.50
2001 0.00 0.00 1.00 205.00 608.00 872.50 1065.00 1010.50 605.50 187.50 122.00 0.00 4677.00
2002 0.00 0.00 0.00 165.00 341.50 859.50 1021.00 863.50 665.00 80.50 2.50 0.00 3998.50
2003 0.00 0.00 57.00 245.50 496.00 728.50 898.50 991.50 565.00 305.00 1.03 a 0.00 a 4288.03
2004 0.00 a 0.00 15.50 203.50 394.00 617.00 845.50 669.50 724.50 271.00 17.50 0.00 a 3758.00
2005 0.00 0.00 24.50 294.00 446.00 853.00 992.00 838.50 685.50 271.50 39.00 0.00 4444.00
2006 0.00 0.00 14.50 333.00 561.00 756.00 1049.00 881.50 551.50 198.92 a 53.79 a 0.00 4399.21
2007 0.00 0.00 61.00 237.50 640.00 910.50 1014.00 861.50 642.50 296.50 27.00 0.00 4690.50
2008 0.00 0.00 0.00 85.00 419.50 677.50 885.50 872.00 608.00 233.50 77.50 0.00 3858.50
2009 0.00 a 0.00 b 10.50 146.50 441.50 660.50 742.50 777.50 694.00 82.15 a 37.50 0.00 3592.65
2010 0.00 0.00 a 52.50 331.50 447.00 418.50 n 920.50 946.50 456.00 321.50 65.69 a 0.00 b 3541.19
2011 0.00 p 0.00 g 0.00 f 0.00 z 353.00 f 726.11 c 1018.41 d 890.65 e 395.00 g 224.50 g 24.50 g 0.00 k 2635.17
2012 0.00 f 0.00 c 234.88 e 256.80 e 575.80 d 800.00 c 1043.09 d 820.97 b 530.50 166.00 14.00 4.50 4446.54
2013 0.00 0.00 b 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
Period of Record Statistics
MEAN 0.00 0.53 16.64 145.97 447.89 705.90 891.01 826.03 513.92 211.86 18.66 0.40 3806.67
S.D. 0.00 2.60 30.30 79.83 114.71 98.31 93.89 92.57 100.48 83.49 22.26 1.71 376.33
SKEW 0.00 6.86 4.05 0.41 0.21 0.19 0.13 0.37 0.59 0.54 1.75 4.64 0.34
MAX 0.00 22.75 234.88 352.00 775.00 962.00 1151.50 1070.00 872.50 489.50 122.00 10.85 4690.50
MIN 0.00 0.00 0.00 3.89 142.50 446.90 680.45 625.68 261.50 29.00 0.00 0.00 2822.80
NO YRS 106 106 109 110 113 112 114 113 113 108 107 111 81