CROOKSTON NW EXP STN, MINNESOTA

Monthly Total Growing Degree Days

(211891)

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
1890 0.00 0.00 0.00 192.50 288.00 882.00 952.50 771.00 468.50 191.50 6.00 0.00 3752.00
1891 0.00 0.00 9.50 290.00 483.50 742.50 787.00 823.50 668.00 179.00 21.50 0.00 a 4004.50
1892 0.00 0.00 20.50 77.50 257.50 723.00 953.00 902.50 646.50 313.00 0.00 0.00 3893.50
1893 0.00 0.00 z 0.50 3.75 b 368.50 868.80 e 920.18 a 774.00 481.00 96.50 1.80 e 0.00 3515.03
1894 0.00 0.00 a 0.00 182.00 501.17 a 909.00 1049.00 842.00 504.50 47.50 p 0.00 a 0.00 b 3987.67
1895 0.00 1.50 10.50 285.00 489.00 649.50 808.00 768.00 507.00 161.50 1.50 0.00 3681.50
1896 0.00 1.00 0.00 132.50 613.00 800.50 858.00 756.40 a 397.50 139.00 0.00 0.00 3697.90
1897 0.00 0.00 5.50 120.50 483.50 641.00 930.50 732.00 695.17 a 276.50 0.00 0.52 a 3885.19
1898 0.00 0.00 0.00 135.50 451.00 660.00 844.50 757.00 526.00 65.00 4.00 0.00 3443.00
1899 0.00 0.00 0.00 145.50 389.50 697.00 860.00 796.00 444.00 174.00 13.50 0.00 3519.50
1900 0.00 0.00 0.00 h 349.50 588.50 790.00 835.50 985.50 506.50 330.67 a 0.00 a 0.00 4386.17
1901 0.00 0.00 0.00 a 189.50 561.50 686.00 978.00 839.50 474.50 234.50 0.00 0.00 3963.50
1902 2.00 0.00 36.50 78.50 539.00 604.50 897.00 759.00 409.50 133.50 13.50 0.00 3473.00
1903 0.00 0.00 0.00 j 124.50 467.50 693.50 817.50 704.50 342.00 179.50 27.00 0.00 3356.00
1904 0.00 0.00 0.00 75.00 452.00 705.00 769.00 685.00 401.00 203.00 40.00 0.00 a 3330.00
1905 0.00 1.04 a 20.00 79.50 370.45 a 616.00 824.50 847.00 614.00 156.00 0.00 0.00 3528.49
1906 0.00 0.00 1.50 214.00 362.50 706.50 866.00 821.50 682.50 200.50 10.50 0.00 a 3865.50
1907 0.00 0.00 a 0.00 a 6.00 168.00 717.50 856.00 741.00 348.50 129.00 3.00 0.00 2969.00
1908 0.00 0.00 0.00 173.50 390.00 704.00 929.00 745.50 643.50 198.00 4.00 0.00 3787.50
1909 0.00 a 0.00 0.00 13.00 412.00 749.00 904.50 906.50 551.50 186.00 54.00 0.00 a 3776.50
1910 0.00 0.00 93.00 209.48 a 318.50 900.00 957.00 750.00 482.50 301.00 0.00 0.00 4011.48
1911 0.00 0.00 8.00 188.50 538.50 867.50 830.00 728.00 426.00 215.00 0.00 0.00 3801.50
1912 0.00 0.00 0.00 144.50 494.00 723.00 874.50 726.50 419.50 176.70 a 4.00 0.00 a 3562.70
1913 0.00 0.00 0.52 a 245.50 351.00 819.00 830.50 891.00 536.00 129.50 15.50 0.00 3818.52
1914 0.00 0.00 a 0.00 96.21 a 513.50 727.50 1034.00 743.50 588.00 359.50 18.50 0.00 b 4080.71
1915 0.00 0.00 0.00 303.50 375.50 557.00 761.50 781.00 491.00 201.50 4.00 0.00 3475.00
1916 0.00 0.00 0.00 95.00 372.00 a 601.00 1107.00 822.00 458.50 75.95 a 23.00 0.00 3554.45
1917 0.00 a 0.00 1.50 27.50 390.00 618.50 935.68 a 775.50 492.00 44.00 21.00 0.00 3305.68
1918 0.00 d 0.00 a 52.00 122.07 a 393.50 705.50 819.00 857.00 300.50 216.50 16.50 0.00 l 3482.57
1919 0.00 0.00 a 0.00 71.00 545.08 a 853.00 983.00 832.50 548.00 101.50 0.00 0.00 3934.08
1920 0.00 0.00 11.50 26.50 495.50 766.00 904.00 898.50 640.50 392.50 6.00 0.00 4141.00
1921 0.00 0.00 5.00 0.00 z 532.50 894.00 1044.50 873.68 a 591.50 257.50 5.69 a 0.00 a 4204.37
1922 0.00 0.00 0.00 174.00 693.50 797.50 872.00 955.00 616.00 238.50 32.00 0.00 4378.50
1923 0.00 c 0.00 b 0.00 a 143.50 515.50 903.33 c 1003.50 713.50 606.21 a 235.17 b 25.50 0.00 a 4146.21
1924 0.00 0.00 c 0.00 a 102.00 219.00 636.00 817.00 772.93 a 478.45 a 368.38 a 3.00 0.00 c 3396.76
1925 0.00 0.00 c 41.33 a 271.50 426.00 684.31 a 850.50 929.50 593.79 a 23.50 2.00 0.00 a 3822.44
1926 0.00 d 0.00 b 26.00 209.00 621.00 614.00 901.00 818.50 452.00 161.50 0.52 a 0.00 3803.52
1927 0.00 0.00 12.50 154.14 a 320.00 693.00 824.50 735.22 a 572.07 a 238.70 a 1.50 0.00 b 3551.62
1928 0.00 a 0.00 29.00 97.50 571.50 608.50 902.00 816.00 442.50 212.00 16.61 b 0.00 3695.61
1929 0.00 0.00 24.00 163.97 a 352.50 698.00 943.00 865.50 441.00 234.00 0.00 0.00 3721.97
1930 0.00 0.50 0.00 199.00 445.50 766.55 a 988.00 963.00 549.50 229.00 11.00 0.00 a 4152.05
1931 0.00 0.00 0.00 213.50 424.18 a 834.50 957.50 853.50 706.00 303.00 57.41 a 0.00 4349.60
1932 0.00 3.00 0.00 177.50 532.68 a 877.00 979.08 a 927.50 534.00 114.50 4.00 0.00 4149.27
1933 0.00 0.00 8.00 144.00 526.00 946.50 997.00 906.23 a 642.50 137.00 6.00 0.00 4313.23
1934 0.00 0.00 5.00 133.50 712.00 726.00 920.50 824.50 415.50 322.50 19.14 a 0.00 4078.64
1935 0.00 0.00 5.50 93.50 352.50 621.00 1070.53 a 832.87 a 482.50 235.08 a 0.00 0.00 3693.48
1936 0.00 a 0.00 0.00 46.50 665.50 733.50 1200.00 911.50 608.00 167.00 2.59 a 0.00 4334.59
1937 0.00 0.00 a 0.00 a 86.00 538.50 728.79 a 935.00 1012.00 555.00 155.00 26.38 a 0.00 4036.67
1938 0.00 0.00 73.50 207.00 385.50 703.00 897.00 950.00 625.00 375.00 28.50 0.00 4244.50
1939 0.00 a 0.00 16.00 154.50 694.92 a 738.50 1017.00 958.50 587.50 151.26 b 13.50 5.34 b 4337.02
1940 0.00 0.00 0.00 95.00 434.00 661.50 949.00 822.00 687.41 a 343.00 8.00 0.00 3999.91
1941 0.00 0.00 0.00 208.50 594.00 783.50 990.00 847.33 a 512.50 230.50 4.00 10.00 4180.33
1942 0.00 0.00 0.00 b 262.50 346.00 637.50 830.50 807.50 413.00 343.00 15.00 0.00 3655.00
1943 0.00 0.00 9.00 147.50 334.50 681.00 991.50 845.50 415.50 301.50 0.00 0.00 3726.00
1944 0.00 0.00 0.00 98.57 b 545.00 711.00 860.50 808.50 483.50 235.50 21.00 0.00 3763.57
1945 0.00 0.00 94.50 58.00 241.50 578.50 833.00 827.00 411.00 166.00 0.00 0.00 a 3209.50
1946 0.00 0.00 67.50 227.00 394.73 a 691.00 939.00 797.50 473.00 133.00 7.00 0.00 3729.73
1947 0.00 0.00 0.50 66.00 296.00 620.50 931.50 943.50 444.50 387.00 29.50 0.00 3719.00
1948 0.00 0.00 0.00 146.90 a 452.50 678.50 910.00 868.50 666.50 251.50 17.07 a 0.00 a 3991.47
1949 0.00 0.00 0.00 193.45 a 472.00 719.50 912.50 964.00 430.50 221.65 a 27.00 0.00 3940.60
1950 0.00 0.00 0.00 22.76 a 321.50 661.00 821.50 718.00 565.00 215.00 13.00 0.00 3337.76
1951 0.00 0.00 0.00 73.45 a 570.50 613.00 875.50 754.00 423.00 212.00 0.00 0.00 3521.45
1952 0.00 0.00 a 0.50 294.50 492.00 753.50 865.00 812.00 587.00 138.00 21.50 0.00 3964.00
1953 0.00 0.00 12.50 59.50 440.50 687.50 848.50 947.50 484.00 377.50 46.50 0.00 3904.00
1954 0.00 0.00 0.00 83.00 309.50 698.00 934.98 c 793.00 470.50 188.00 19.00 0.00 a 3495.98
1955 0.00 0.00 0.00 250.50 561.10 a 719.48 a 989.00 958.50 496.00 265.00 0.50 0.00 4240.08
1956 0.00 0.00 0.00 13.00 434.00 a 883.50 820.50 843.00 430.00 358.50 36.00 0.00 3818.50
1957 0.00 0.00 12.00 190.00 504.50 657.50 1049.00 878.85 a 457.00 224.50 2.00 0.00 a 3975.35
1958 0.00 17.50 11.50 200.00 579.00 608.79 a 838.00 864.50 580.00 267.50 17.50 0.00 a 3984.29
1959 0.00 0.00 11.50 120.00 471.50 808.00 941.00 939.00 530.00 105.00 0.00 0.00 3926.00
1960 0.00 0.00 0.00 128.00 486.00 705.00 934.50 954.00 601.50 258.50 0.00 0.00 4067.50
1961 0.00 0.00 23.50 60.00 414.50 826.50 883.50 996.00 499.00 239.00 10.50 0.00 3952.50
1962 0.00 0.00 0.00 128.00 459.50 758.50 856.00 918.00 492.00 341.50 11.50 3.00 3968.00
1963 0.00 0.00 83.38 b 172.00 403.00 874.50 990.00 929.00 676.50 528.50 48.00 0.00 4704.88
1964 0.00 0.00 2.58 a 168.00 571.00 676.50 963.00 757.95 a 495.50 206.84 b 67.50 0.00 3908.88
1965 0.00 0.00 b 0.00 100.00 454.00 721.50 877.50 835.50 273.00 248.50 21.50 0.00 3531.50
1966 0.00 0.00 4.65 a 50.56 c 361.50 770.50 1003.00 825.50 590.50 217.50 0.00 0.00 3823.71
1967 0.00 0.00 36.00 76.00 385.00 688.50 874.00 837.00 663.00 211.50 14.50 0.00 3785.50
1968 0.00 0.00 60.50 159.00 385.50 698.00 890.00 832.50 603.00 242.00 9.00 0.00 3879.50
1969 0.00 0.00 0.00 204.00 510.50 545.50 899.00 1047.00 599.00 102.50 27.50 0.00 3935.00
1970 0.00 0.00 0.00 80.50 405.50 882.00 1021.50 937.50 600.00 250.50 0.50 0.00 4178.00
1971 0.00 0.00 2.50 208.00 466.50 833.00 804.50 911.00 587.00 293.00 0.00 0.00 4105.50
1972 0.00 0.00 0.50 123.00 632.00 803.50 839.00 946.00 503.00 206.00 0.00 0.00 4053.00
1973 0.00 0.00 33.00 158.50 492.50 798.50 895.38 a 1009.00 514.00 362.00 4.50 0.00 4267.38
1974 0.00 0.00 0.00 143.00 366.00 775.50 1053.50 788.50 462.50 243.00 11.00 0.00 3843.00
1975 0.00 0.00 0.00 50.50 524.50 731.00 1013.00 850.50 481.50 317.50 79.00 0.00 a 4047.50
1976 0.00 0.00 9.00 213.00 529.00 840.00 953.50 995.00 629.50 189.50 8.50 0.00 a 4367.00
1977 0.00 0.00 16.50 314.00 807.60 b 758.50 967.00 686.50 522.50 248.50 53.00 0.00 z 4374.10
1978 0.00 z 0.00 3.00 125.00 621.50 736.00 909.50 907.00 698.00 251.00 56.00 0.00 b 4307.00
1979 0.00 0.00 0.00 66.00 288.50 741.50 937.50 777.50 635.00 178.50 0.00 0.00 3624.50
1980 0.00 0.00 0.00 307.00 671.50 782.50 982.50 816.50 518.00 171.00 19.00 0.00 4268.00
1981 0.00 0.00 23.50 207.00 498.50 687.00 927.50 928.00 548.50 219.50 94.50 0.00 4134.00
1982 0.00 0.00 2.00 174.50 510.00 541.00 901.50 794.50 470.00 155.00 0.00 3.50 3552.00
1983 0.00 0.00 1.50 84.50 324.50 729.00 1019.00 1014.50 503.00 112.00 21.00 0.00 3809.00
1984 0.00 0.00 2.50 156.00 391.50 735.00 919.50 957.50 362.50 273.32 a 8.50 0.00 3806.32
1985 0.00 0.00 14.50 234.00 589.50 570.00 819.00 709.00 371.90 a 123.50 4.00 0.00 3435.40
1986 0.00 0.00 a 35.00 117.00 561.50 772.50 931.00 742.00 452.50 157.00 3.00 0.00 3771.50
1987 0.00 0.00 10.33 a 311.38 a 633.29 c 815.50 1009.00 763.00 531.21 a 90.50 28.33 c 0.00 a 4192.54
1988 0.00 0.00 3.10 a 148.39 b 685.74 b 965.50 1022.50 932.00 483.50 123.50 0.00 0.00 4364.23
1989 0.00 0.00 0.00 100.50 553.00 713.50 1037.00 914.50 520.00 208.50 0.00 0.00 4047.00
1990 0.00 0.00 21.50 197.50 426.50 756.00 868.00 896.50 586.50 143.50 42.50 1.00 3939.50
1991 0.00 0.00 18.50 207.50 629.00 860.00 895.50 955.00 496.50 113.00 0.00 0.00 4175.00
1992 0.00 0.00 1.50 87.00 576.50 634.50 661.00 710.50 407.00 194.50 0.00 0.00 3272.50
1993 0.00 0.00 4.50 87.00 458.50 604.00 760.00 816.00 359.50 101.50 0.00 0.00 3191.00
1994 0.00 0.00 2.00 109.50 531.00 782.00 802.00 773.50 579.50 280.00 14.00 0.00 3873.50
1995 0.00 0.00 24.50 35.00 393.50 907.00 851.50 903.50 502.00 128.50 0.00 0.00 3745.50
1996 0.00 0.00 0.00 33.00 393.00 802.50 828.00 898.00 544.50 173.00 2.50 0.00 3674.50
1997 0.00 0.00 0.00 80.00 310.00 816.50 890.50 823.00 610.50 233.00 0.00 0.00 3763.50
1998 0.00 0.00 12.50 230.00 613.50 661.00 931.50 937.00 650.50 189.50 2.50 0.00 4228.00
1999 0.00 0.00 14.50 167.50 524.00 739.50 945.50 823.00 435.00 89.50 50.50 0.00 3789.00
2000 0.00 4.50 64.00 138.50 491.00 651.50 919.00 883.50 465.00 240.00 44.50 0.00 3901.50
2001 0.00 0.00 0.00 135.50 540.00 744.00 936.50 932.00 563.00 152.50 65.00 0.00 4068.50
2002 0.00 0.00 3.50 121.00 281.50 843.50 999.50 837.00 620.50 56.00 2.50 0.00 3765.00
2003 0.00 0.00 18.50 198.50 475.50 734.50 899.00 977.00 535.50 283.00 0.00 0.00 4121.50
2004 0.00 0.00 4.50 114.50 316.50 620.50 832.50 638.50 612.00 193.00 14.00 0.00 3346.00
2005 0.00 0.00 12.50 235.00 414.50 810.00 914.50 821.50 607.00 248.50 27.50 0.00 4091.00
2006 0.00 0.00 1.00 274.50 520.00 796.50 1022.00 869.50 510.50 139.50 15.50 0.00 4149.00
2007 0.00 0.00 22.50 203.50 549.50 834.00 963.00 807.50 546.00 229.00 18.00 0.00 4173.00
2008 0.00 0.00 0.00 69.00 331.50 668.00 872.00 856.50 0.00 z 190.00 55.00 0.00 3042.00
2009 0.00 0.00 0.00 z 0.00 z 344.00 673.50 0.00 z 0.00 z 0.00 z 74.00 37.50 0.00 1129.00
2010 0.00 0.00 26.50 293.50 514.00 328.00 n 958.00 672.50 i 435.50 285.50 39.50 0.00 2552.50
2011 0.00 0.00 0.00 107.50 421.00 692.00 0.00 z 896.00 540.00 338.50 23.50 0.00 3018.50
2012 0.00 0.00 172.50 228.50 555.00 810.00 1077.50 844.50 501.00 126.00 1.50 0.00 4316.50
2013 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 0.00 z 0.00 z 0.00 z 0.00
Period of Record Statistics
MEAN 0.02 0.24 12.74 147.93 466.17 734.89 916.42 848.21 521.88 211.92 15.49 0.19 3869.83
S.D. 0.18 1.65 24.56 77.21 114.88 91.71 82.54 85.31 90.56 86.08 19.01 1.11 307.72
SKEW 10.95 9.56 3.50 0.34 0.12 0.22 0.22 0.04 -0.10 0.51 1.65 7.05 -0.28
MAX 2.00 17.50 172.50 349.50 807.60 965.50 1200.00 1047.00 706.00 528.50 94.50 10.00 4704.88
MIN 0.00 0.00 0.00 3.75 168.00 541.00 661.00 638.50 273.00 23.50 0.00 0.00 2969.00
NO YRS 123 123 120 121 123 122 121 121 121 122 123 121 111