LEECH LAKE DAM, MINNESOTA

Monthly Total Growing Degree Days

(214652)

Base Temperature = 40 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201304
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
1893 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
1894 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
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 z 0.00
1896 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
1897 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 690.00 263.50 4.50 0.00 958.00
1898 0.00 0.00 11.00 118.00 381.00 722.50 872.00 763.50 548.50 74.00 10.50 0.00 3501.00
1899 0.00 0.00 0.00 137.50 372.50 748.50 898.50 832.19 b 440.50 183.00 26.50 0.00 3639.19
1900 0.00 0.00 0.00 44.00 s 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
1901 0.00 z 0.00 0.00 168.50 488.00 177.00 t 937.00 818.50 453.50 226.00 4.00 0.00 3095.50
1902 0.00 1.00 29.50 35.00 456.50 606.50 861.00 678.50 383.00 115.00 23.28 a 0.00 3189.28
1903 0.00 0.00 0.00 81.50 440.50 614.50 741.50 611.50 318.50 149.50 25.50 0.00 2983.00
1904 0.00 0.00 0.00 43.00 357.50 613.00 721.00 696.00 370.00 194.27 a 58.50 0.00 3053.27
1905 0.00 a 0.00 20.50 57.50 275.00 546.50 771.00 782.00 566.00 172.00 2.50 0.00 3193.00
1906 0.00 0.00 0.00 188.50 342.00 646.67 c 725.50 684.50 571.55 a 169.97 b 0.00 0.00 a 3328.68
1907 0.00 0.00 0.00 b 0.00 98.00 641.50 793.00 709.00 368.00 140.00 2.50 0.00 2752.00
1908 0.00 0.00 5.50 151.00 315.50 617.50 852.00 675.00 625.50 214.00 5.00 0.00 a 3461.00
1909 0.00 0.00 0.00 10.00 315.50 674.50 827.00 824.50 484.50 162.00 39.00 0.00 3337.00
1910 0.00 0.00 103.85 a 203.50 261.50 755.50 819.43 a 678.00 464.00 287.78 a 0.00 0.00 3573.57
1911 0.00 0.00 19.00 156.50 509.50 793.00 799.50 657.50 393.00 150.00 0.00 0.00 3478.00
1912 0.00 0.00 0.00 123.50 394.50 459.50 k 836.00 636.50 474.50 213.00 13.00 0.00 2691.00
1913 0.00 0.00 0.00 195.50 322.50 767.00 760.50 825.50 494.50 173.50 26.50 0.00 3565.50
1914 0.00 0.00 2.00 82.50 513.00 647.00 943.00 724.50 534.00 358.50 21.00 0.00 3825.50
1915 0.00 0.00 0.00 a 324.50 286.50 521.00 715.00 693.00 506.50 228.00 6.00 0.00 3280.50
1916 0.00 0.00 0.50 58.00 309.50 561.00 1047.50 804.50 440.50 155.50 12.00 0.00 3389.00
1917 0.00 0.00 0.00 26.00 257.50 525.50 880.50 704.50 474.00 41.00 8.00 0.00 2917.00
1918 0.00 0.00 39.00 109.00 412.50 651.00 794.50 804.50 293.50 201.00 26.00 0.00 3331.00
1919 0.00 0.00 3.00 93.50 428.50 819.64 b 896.23 c 767.00 539.50 110.50 0.00 0.00 b 3657.88
1920 0.00 a 0.00 22.50 19.50 395.00 668.50 793.17 b 798.00 614.50 376.00 1.50 0.00 3688.67
1921 0.00 0.00 9.00 175.50 464.00 802.50 992.00 767.00 552.00 206.50 1.00 0.00 3969.50
1922 0.00 0.00 0.00 81.00 573.00 723.00 772.00 842.50 569.50 253.50 27.50 0.00 3842.00
1923 0.00 0.00 0.00 99.50 436.50 818.00 932.50 660.00 546.00 213.00 20.50 0.00 3726.00
1924 0.00 0.00 0.00 90.50 204.50 563.50 771.00 689.00 378.00 363.50 5.00 0.00 3065.00
1925 0.00 0.00 22.50 192.50 357.50 620.00 776.50 823.00 525.50 20.50 2.00 0.00 3340.00
1926 0.00 0.00 2.00 138.00 512.53 a 556.50 852.00 747.00 390.50 155.00 0.00 0.00 3353.53
1927 0.00 1.50 16.00 146.50 283.50 615.00 747.50 644.00 544.50 234.00 2.50 0.00 3235.00
1928 0.00 0.00 22.50 64.00 496.00 553.00 813.50 763.00 399.50 184.00 14.00 0.00 3309.50
1929 0.00 0.00 15.50 111.00 330.50 574.62 d 865.50 760.53 a 412.50 210.50 2.14 b 0.00 3282.79
1930 0.00 4.08 d 0.00 a 133.00 410.00 705.00 900.00 878.50 480.00 217.00 38.50 0.00 3766.08
1931 0.00 d 0.00 0.00 174.00 398.50 783.50 901.00 744.00 668.00 322.50 54.50 0.00 4046.00
1932 0.00 0.00 0.00 111.00 455.50 791.00 874.00 809.50 456.50 124.50 4.50 0.00 3626.50
1933 0.00 0.00 0.00 85.00 437.50 860.50 935.50 756.50 595.50 121.02 e 9.50 0.00 3801.02
1934 0.00 0.00 2.50 73.50 611.00 713.50 822.00 693.50 377.50 349.86 c 7.24 a 0.00 3650.60
1935 0.00 0.00 7.00 83.50 303.50 568.00 1024.00 814.00 433.00 182.50 0.00 0.00 3415.50
1936 0.00 0.00 0.00 16.00 560.00 619.62 d 1026.00 822.00 539.50 114.00 0.00 0.00 3697.12
1937 0.00 0.00 0.00 42.50 451.50 636.00 899.00 923.00 485.50 112.50 5.00 0.00 3555.00
1938 0.00 0.00 43.00 135.50 308.00 630.00 839.00 897.50 504.50 299.00 25.50 0.00 3682.00
1939 0.00 0.00 11.50 97.50 522.00 669.00 880.00 819.50 529.00 147.50 2.00 3.00 3681.00
1940 0.00 0.00 0.00 62.50 327.00 595.50 836.50 722.50 583.50 241.00 4.50 0.00 3373.00
1941 0.00 0.00 3.00 210.50 548.00 707.00 901.00 770.50 541.50 209.50 3.00 8.50 3902.50
1942 0.00 0.00 3.00 287.50 328.50 620.50 815.50 803.50 436.50 292.50 4.50 0.00 3592.00
1943 0.00 0.00 17.00 106.50 365.50 728.50 967.50 847.00 463.00 250.50 0.00 0.00 e 3745.50
1944 0.00 0.00 0.00 79.00 498.50 731.50 872.50 814.50 514.50 240.50 32.50 0.00 3783.50
1945 0.00 0.00 92.00 75.50 271.00 559.50 828.50 811.00 458.50 158.00 0.00 0.00 3254.00
1946 0.00 0.00 89.00 185.00 366.00 685.00 889.50 750.50 476.50 179.50 8.00 0.00 3629.00
1947 0.00 0.00 1.00 48.00 274.50 573.00 917.50 963.00 483.00 439.00 21.00 0.00 3720.00
1948 0.00 0.00 1.50 187.50 431.50 672.50 873.17 a 825.00 615.50 223.50 24.50 0.00 3854.67
1949 0.00 0.00 0.00 172.00 460.00 758.00 893.50 908.00 448.50 240.50 17.00 0.00 3897.50
1950 0.00 0.00 0.00 12.50 314.50 685.00 798.00 673.00 532.00 234.50 9.50 0.00 3259.00
1951 0.00 0.00 0.00 65.00 535.00 618.00 838.50 678.00 395.50 182.50 4.00 7.00 3323.50
1952 0.00 0.00 0.00 247.50 426.50 761.50 842.50 738.50 571.00 113.00 16.00 0.00 3716.50
1953 0.00 0.00 1.50 42.50 407.50 733.50 839.50 869.50 492.50 373.00 45.00 0.00 3804.50
1954 0.00 1.50 0.00 76.00 297.00 712.00 858.00 758.50 478.00 167.00 25.50 0.00 b 3373.50
1955 0.00 0.00 2.50 255.00 552.00 724.50 996.00 938.00 491.00 241.50 0.00 0.00 4200.50
1956 0.00 a 0.00 0.00 10.00 354.00 789.00 770.00 789.50 380.00 377.00 53.50 0.00 3523.00
1957 0.00 0.00 0.00 168.50 420.50 646.50 989.50 797.00 454.00 206.00 11.00 0.00 a 3693.00
1958 0.00 a 12.50 2.00 145.50 462.50 527.50 791.50 801.50 525.00 216.48 a 43.50 0.00 a 3527.98
1959 0.00 a 0.00 a 6.20 a 95.00 476.37 a 738.50 903.50 924.50 527.00 104.50 0.00 0.00 3775.57
1960 0.00 a 0.00 0.00 117.50 423.50 642.00 899.50 888.50 558.00 259.92 e 0.00 0.00 3788.92
1961 0.00 2.50 14.00 38.00 382.00 794.00 855.00 919.50 498.50 250.00 4.00 0.00 3757.50
1962 0.00 a 0.00 1.00 123.00 470.00 686.50 779.50 847.00 463.45 a 333.50 11.50 10.00 3725.45
1963 0.00 0.00 c 64.50 151.00 373.00 789.50 940.50 813.50 616.50 525.50 24.50 0.00 4298.50
1964 0.00 0.00 4.00 163.50 577.50 688.50 932.00 709.00 445.00 230.00 73.00 0.00 3822.50
1965 0.00 0.00 0.00 64.00 464.50 664.50 821.00 761.00 279.50 248.00 39.50 0.00 3342.00
1966 0.00 0.00 12.92 a 48.00 330.00 736.03 a 984.50 752.50 537.00 198.50 0.00 0.00 3599.45
1967 0.00 0.00 33.50 89.00 288.00 660.00 830.50 770.50 548.50 185.50 9.00 0.00 3414.50
1968 0.00 0.00 78.00 140.00 334.50 646.00 830.50 787.50 515.00 258.50 4.50 0.00 3594.50
1969 0.00 0.00 0.00 151.00 423.00 494.50 833.50 933.00 541.00 99.00 44.50 0.00 3519.50
1970 0.00 0.00 0.00 94.50 342.00 788.50 967.00 842.50 541.00 233.00 1.00 0.00 3809.50
1971 0.00 0.00 2.00 158.00 355.00 806.00 761.00 776.00 551.00 287.50 0.00 0.00 3696.50
1972 0.00 0.00 0.50 77.00 577.00 717.00 799.50 809.50 424.00 182.00 5.00 0.00 3591.50
1973 0.00 0.00 33.00 99.50 400.50 723.50 848.50 880.50 467.50 331.50 3.00 0.00 3787.50
1974 0.00 0.00 0.00 124.50 306.50 708.00 1006.50 744.50 379.00 217.00 15.00 0.00 3501.00
1975 0.00 0.00 1.50 32.50 542.50 711.50 1011.00 808.00 422.00 280.50 74.50 0.00 3884.00
1976 0.00 4.00 13.50 223.00 448.00 799.50 892.00 873.50 541.00 169.50 2.50 0.00 z 3966.50
1977 0.00 0.00 53.50 290.50 744.50 731.00 933.00 635.50 454.00 165.50 39.50 0.00 4047.00
1978 0.00 0.00 w 0.00 z 0.00 z 375.00 l 701.50 841.50 837.00 620.50 223.50 58.50 0.00 3282.50
1979 0.00 0.00 1.00 73.50 270.50 658.50 885.50 722.00 572.00 133.50 11.50 0.00 3328.00
1980 0.00 0.00 0.00 222.50 596.00 706.50 921.73 a 798.00 444.50 131.50 8.50 0.00 3829.23
1981 0.00 5.70 a 31.50 148.50 442.00 677.00 875.48 b 828.00 495.50 187.50 59.50 0.00 3750.69
1982 0.00 0.00 0.00 129.50 533.00 564.50 902.00 786.50 509.00 217.00 3.50 7.50 3652.50
1983 0.00 0.00 0.50 92.00 339.50 716.50 1005.00 998.00 571.00 190.00 18.00 0.00 3930.50
1984 0.00 1.50 0.00 134.50 414.50 729.00 898.00 937.50 392.00 294.50 16.50 0.00 3818.00
1985 0.00 0.00 7.00 218.00 566.50 586.00 876.00 698.00 449.48 a 178.00 3.21 b 0.00 a 3582.20
1986 0.00 0.00 28.00 152.00 464.50 712.50 893.00 685.50 447.50 167.50 1.50 0.00 3552.00
1987 0.00 0.00 49.50 335.00 549.00 834.00 971.00 805.50 564.50 119.50 35.50 0.00 4263.50
1988 0.00 0.00 1.50 141.00 675.50 896.50 966.50 875.75 a 534.00 158.50 0.00 0.00 4249.25
1989 0.00 v 0.00 z 11.50 134.50 475.50 674.00 961.50 878.00 512.00 230.50 0.00 0.00 3877.50
1990 0.00 0.00 28.50 194.50 406.50 727.50 855.00 819.00 545.00 105.50 46.00 0.50 3728.00
1991 0.00 0.00 14.50 187.50 567.50 811.50 857.00 897.50 450.00 125.50 0.00 0.00 3911.00
1992 0.00 0.00 6.00 72.50 528.00 612.50 652.50 692.50 459.50 204.50 0.00 0.00 3228.00
1993 0.00 0.00 23.00 78.50 406.00 614.50 773.50 818.50 349.00 107.00 0.00 0.00 3170.00
1994 0.00 1.50 3.00 100.00 494.50 731.50 814.00 734.50 576.00 256.00 15.00 0.00 3726.00
1995 0.00 0.00 26.00 26.50 436.50 871.00 843.50 881.00 486.50 149.50 0.00 0.00 3720.50
1996 0.00 0.00 0.00 30.50 359.50 726.00 805.00 869.00 488.50 168.00 2.50 0.00 3449.00
1997 0.00 0.00 9.50 114.00 286.50 787.00 853.50 755.50 573.50 224.50 0.00 0.00 3604.00
1998 0.00 2.50 20.00 196.00 614.00 648.00 884.00 875.50 631.00 206.50 0.00 a 0.00 4077.50
1999 0.00 0.00 16.50 139.00 520.91 c 702.93 a 953.00 812.00 470.00 c 123.00 43.97 a 0.00 3781.31
2000 0.00 a 5.00 57.87 a 0.00 z 498.00 618.62 a 884.02 a 838.03 a 450.50 180.00 i 47.14 b 0.00 z 3399.18
2001 0.00 a 0.00 0.00 106.55 a 513.05 a 734.48 a 917.71 b 912.43 a 486.00 150.35 a 92.00 0.00 3912.57
2002 0.00 0.00 0.00 112.50 285.50 792.50 971.50 828.00 603.00 73.50 1.50 0.00 3668.00
2003 0.00 0.00 38.00 162.00 442.00 700.00 884.50 949.00 531.50 220.50 0.00 0.00 3927.50
2004 0.00 0.00 9.50 104.50 297.50 610.00 798.00 592.00 619.50 210.00 17.50 0.00 3258.50
2005 0.00 0.00 16.00 237.50 372.00 778.00 886.50 822.00 603.00 209.00 23.00 0.00 3947.00
2006 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 122.50 21.00 0.00 143.50
2007 0.00 0.00 22.14 c 184.50 534.00 0.00 z 955.50 807.00 513.50 245.00 14.50 0.00 3276.14
2008 0.00 0.00 0.00 69.00 307.00 650.50 849.50 826.50 539.50 164.50 66.50 0.00 3473.00
2009 0.00 0.00 5.50 107.50 369.50 629.00 0.00 z 725.00 670.50 58.50 31.00 0.00 2596.50
2010 0.00 0.00 42.00 252.00 459.50 677.50 917.00 907.50 401.00 288.50 36.00 0.00 3981.00
2011 0.00 4.00 0.00 105.50 418.50 650.50 984.00 895.00 495.50 301.00 13.50 0.00 3867.50
2012 0.00 0.00 155.00 137.50 524.50 773.00 1034.00 842.50 481.00 145.50 10.50 0.00 4103.50
2013 0.00 0.00 2.00 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 2.00
Period of Record Statistics
MEAN 0.00 0.41 13.72 122.95 418.87 687.27 871.66 793.88 496.66 205.47 16.60 0.32 3617.20
S.D. 0.00 1.53 24.59 69.36 106.64 84.44 78.04 83.71 79.41 81.85 19.70 1.57 295.25
SKEW 0.00 5.35 3.00 0.66 0.15 0.02 0.03 -0.07 -0.16 0.80 1.48 4.98 -0.23
MAX 0.00 12.50 155.00 335.00 744.50 896.50 1047.50 998.00 690.00 525.50 92.00 10.00 4298.50
MIN 0.00 0.00 0.00 0.00 98.00 494.50 652.50 592.00 279.50 20.50 0.00 0.00 2752.00
NO YRS 114 114 114 111 112 110 112 113 114 114 115 113 105