GRAND MARAIS, MINNESOTA

Monthly Total Growing Degree Days

(213282)

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
1900 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
1901 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
1902 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
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 0.00 z 0.00 z 0.00 z 0.00
1904 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
1905 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
1906 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
1907 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
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 154.50 m 423.50 588.50 666.00 430.50 0.00 z 0.00 z 9.00 j 2108.50
1914 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 421.50 l 0.00 z 218.50 k 0.00 z 0.00 q 0.00
1915 0.00 18.00 0.00 z 427.50 0.00 z 0.00 z 0.00 z 144.00 v 0.00 z 0.00 z 0.00 z 0.00 z 445.50
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 397.00 f 0.00 z 53.00 7.75 c 60.75
1917 0.00 a 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 361.50 48.50 25.50 0.00 e 435.50
1918 0.00 z 0.00 a 11.37 a 59.00 243.00 374.48 a 609.15 a 675.50 319.00 207.18 a 28.50 0.00 2527.18
1919 0.00 0.00 0.00 29.00 196.50 432.00 706.00 767.50 463.50 90.50 7.76 a 0.00 2692.76
1920 0.00 z 0.00 z 1.03 a 13.45 a 198.00 383.00 541.00 670.50 556.11 c 307.50 0.00 0.00 2670.59
1921 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 685.50 534.00 157.50 3.00 0.00 1380.00
1922 0.00 a 0.00 0.00 10.50 244.50 333.00 500.50 657.50 487.00 0.00 z 0.00 z 0.00 z 2233.00
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 177.50 50.50 0.50 228.50
1924 0.00 d 0.00 a 0.00 11.50 156.00 329.00 485.00 538.00 347.50 267.50 16.50 0.00 a 2151.00
1925 0.00 a 0.00 18.50 64.50 131.00 420.50 656.50 763.50 536.50 74.00 5.50 0.00 2670.50
1926 0.00 e 0.00 a 0.00 75.00 173.60 a 398.04 b 508.50 684.50 323.00 87.32 a 1.00 0.00 e 2250.95
1927 0.00 0.00 0.00 n 26.50 91.50 309.50 475.50 529.50 511.07 b 188.50 2.00 0.00 c 2134.07
1928 0.00 c 0.00 9.30 a 3.50 198.00 306.00 502.50 656.00 318.75 b 153.00 8.79 a 1.00 2156.84
1929 0.00 b 0.00 a 1.00 14.00 114.50 301.00 655.50 651.00 399.50 199.00 16.00 0.00 2351.50
1930 0.00 0.00 0.00 25.96 d 188.50 446.90 a 607.00 819.00 436.73 d 129.00 31.07 b 0.00 2684.16
1931 0.00 0.00 0.00 66.00 208.50 372.93 a 746.00 697.00 544.50 306.00 74.00 0.00 3014.93
1932 0.00 4.50 0.00 46.50 233.00 403.50 673.00 774.50 410.50 87.00 6.00 0.00 2638.50
1933 0.00 0.00 0.00 32.50 202.50 423.50 593.50 703.50 560.00 125.50 1.50 0.00 2642.50
1934 0.00 0.00 3.10 a 17.50 289.00 414.00 647.50 602.00 378.50 229.00 7.50 0.00 2588.10
1935 0.00 0.00 a 0.00 34.50 173.00 355.50 662.00 717.50 367.00 134.00 0.00 0.00 2443.50
1936 0.00 0.00 0.00 29.00 225.50 410.50 696.50 729.00 510.00 115.50 1.00 0.00 2717.00
1937 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 101.50 1.50 0.00 l 103.00
1938 0.00 h 0.00 1.50 11.50 85.00 312.50 443.50 650.00 415.71 b 223.50 29.00 0.00 j 2172.21
1939 0.00 j 0.00 0.00 9.00 161.50 333.50 515.00 666.00 394.00 115.50 7.50 4.50 2206.50
1940 0.00 0.00 0.00 9.50 138.50 379.00 528.50 647.00 504.50 193.50 12.50 0.00 2413.00
1941 0.00 0.00 0.00 56.00 213.00 337.00 653.00 655.00 405.50 156.50 6.50 1.00 2483.50
1942 0.00 0.00 h 0.00 90.50 172.00 335.00 595.00 633.00 379.50 229.00 6.50 0.00 2440.50
1943 0.00 0.00 2.00 45.00 125.07 b 311.90 a 513.29 e 628.50 296.00 175.50 6.50 0.00 a 2103.75
1944 0.00 0.00 0.00 29.00 229.50 371.00 533.00 630.50 446.50 147.50 30.00 0.00 2417.00
1945 0.00 0.00 27.00 20.00 127.00 312.00 614.00 703.00 404.00 93.50 0.00 0.00 2300.50
1946 0.00 0.00 22.00 61.00 156.50 336.50 588.50 647.50 421.00 228.50 16.50 1.50 2479.50
1947 0.00 0.00 2.50 16.00 110.50 211.50 415.00 562.50 400.50 244.50 43.00 0.00 2006.00
1948 0.00 0.00 9.50 71.00 244.00 389.50 575.00 656.00 591.50 219.00 57.12 d 0.00 a 2812.62
1949 0.00 0.00 a 0.00 a 58.93 b 212.00 377.50 583.50 698.53 a 309.00 166.50 18.00 0.00 2423.96
1950 0.00 0.00 0.00 15.50 140.50 180.00 l 331.00 494.50 417.69 d 141.00 6.11 c 0.00 g 1546.30
1951 0.00 h 0.00 e 0.00 g 35.00 259.88 a 249.50 f 354.00 k 595.72 a 351.00 e 134.00 0.00 j 5.17 d 1380.77
1952 0.00 j 0.00 h 0.00 l 3.50 q 176.59 c 0.00 z 0.00 z 441.50 k 436.00 70.55 b 17.68 b 0.00 f 700.82
1953 0.00 f 0.00 a 3.00 42.50 175.67 d 428.00 653.00 740.00 413.33 c 250.07 a 45.00 b 0.00 f 2750.57
1954 0.00 0.00 0.00 51.96 b 155.50 483.00 e 681.45 c 512.50 g 322.50 h 101.50 g 24.23 d 0.00 f 1396.14
1955 0.00 i 0.00 g 0.00 j 104.00 i 276.93 a 528.21 b 803.86 b 689.50 f 465.54 b 191.17 d 1.00 g 0.00 a 2265.71
1956 0.00 i 0.00 c 0.00 h 7.00 g 170.50 497.59 a 589.00 d 451.50 i 322.24 a 272.69 d 46.00 k 0.00 c 1852.01
1957 0.00 e 0.00 e 0.00 d 84.00 176.50 g 312.00 f 669.50 680.00 381.00 173.00 7.50 0.00 1995.00
1958 0.00 0.00 0.00 98.00 262.00 393.50 647.00 681.00 453.50 218.00 20.50 0.00 2773.50
1959 0.00 0.00 2.50 40.50 293.50 527.00 771.50 737.50 471.00 107.50 0.00 0.00 2951.00
1960 0.00 0.00 0.00 60.00 279.50 463.00 670.50 729.00 474.00 195.00 5.50 0.00 2876.50
1961 0.00 0.00 2.00 38.50 253.50 485.00 695.00 758.00 453.00 181.50 9.50 0.00 2876.00
1962 0.00 0.00 1.07 b 40.50 322.00 442.00 618.89 c 653.00 408.50 267.00 4.00 9.00 2765.96
1963 0.00 0.00 14.50 52.00 187.07 b 478.00 699.22 d 679.50 473.00 440.50 39.50 0.00 3063.29
1964 0.00 0.00 0.00 71.00 392.50 421.50 762.00 597.50 356.50 134.50 48.00 0.00 2783.50
1965 0.00 0.00 0.00 36.50 317.00 474.50 604.50 622.00 279.50 187.50 11.50 0.00 2533.00
1966 0.00 0.00 4.00 16.50 222.50 499.00 796.59 c 617.50 477.50 104.00 2.50 0.00 2740.09
1967 0.00 0.00 11.00 26.00 170.50 449.00 623.50 604.50 b 451.00 140.00 3.00 0.00 2478.50
1968 0.00 0.00 14.00 79.00 232.00 430.18 b 615.00 563.00 468.00 212.00 5.00 0.00 2618.18
1969 0.00 0.00 0.00 79.00 256.50 298.50 648.00 753.50 442.00 107.50 14.50 0.00 2599.50
1970 0.00 0.00 0.00 63.00 197.00 525.00 814.00 769.50 424.00 147.50 6.50 0.00 2946.50
1971 0.00 0.00 0.00 65.50 199.00 500.50 622.50 627.00 497.00 267.50 3.00 0.00 2782.00
1972 0.00 0.00 0.00 35.50 344.50 472.50 588.00 650.00 341.00 124.00 1.50 0.00 2557.00
1973 0.00 0.00 0.00 32.50 176.50 343.00 577.50 707.50 407.00 235.00 5.00 0.00 2484.00
1974 0.00 0.00 0.00 a 25.50 131.00 366.00 627.50 607.00 295.00 143.50 8.50 0.00 2204.00
1975 0.00 0.00 0.00 23.00 255.50 376.00 654.50 650.00 385.00 229.50 66.00 0.00 2639.50
1976 0.00 a 6.00 0.00 39.00 219.50 413.50 719.50 749.50 400.00 111.50 3.00 0.00 2661.50
1977 0.00 0.00 16.50 69.00 251.50 367.50 594.50 514.00 378.50 201.00 48.50 0.00 2441.00
1978 0.00 0.00 0.00 14.50 232.50 349.00 568.00 628.78 a 504.00 207.18 a 33.00 0.00 2536.97
1979 0.00 0.00 0.00 22.50 123.00 380.00 525.00 602.50 460.00 140.50 7.00 0.00 2260.50
1980 0.00 0.00 0.00 161.50 254.00 394.00 694.50 717.00 401.00 109.00 11.00 0.00 2742.00
1981 0.00 1.50 4.00 38.00 175.00 362.00 656.50 766.00 499.00 117.00 38.50 0.00 2657.50
1982 0.00 0.00 0.00 51.50 227.50 361.00 538.00 573.50 404.50 203.50 8.50 6.50 2374.50
1983 0.00 0.00 0.00 9.50 120.50 327.50 663.00 832.19 b 430.86 a 132.00 21.00 0.00 2536.55
1984 0.00 0.00 0.00 79.00 203.00 382.00 607.50 760.50 378.00 208.00 3.00 0.00 2621.00
1985 0.00 0.00 1.50 60.50 233.50 376.50 571.50 580.00 420.54 b 120.50 8.50 0.00 2373.04
1986 0.00 0.00 18.00 90.00 246.97 a 409.14 a 578.00 653.50 408.00 136.50 0.50 0.00 2540.60
1987 0.00 0.00 7.50 133.45 a 249.50 517.00 753.50 736.50 534.31 a 103.00 36.50 0.00 3071.26
1988 0.00 0.00 a 0.00 47.00 243.50 469.50 796.00 770.00 510.50 116.50 2.00 0.00 2955.00
1989 0.00 0.00 0.00 13.50 211.50 296.00 636.00 684.50 438.50 143.00 2.00 0.00 2425.00
1990 0.00 0.00 6.00 47.00 130.00 411.00 638.00 700.50 529.50 132.00 45.50 0.00 2639.50
1991 0.00 3.00 0.00 82.00 211.50 392.00 576.50 812.50 439.50 105.50 1.50 0.00 2624.00
1992 0.00 0.00 0.00 25.50 220.10 a 328.00 476.00 621.50 416.00 171.00 2.50 0.00 2260.60
1993 2.00 0.00 1.00 14.00 177.00 356.00 558.50 765.50 292.50 72.00 1.00 0.00 2239.50
1994 0.00 0.00 2.00 55.50 235.50 431.00 625.00 633.00 533.00 260.40 a 32.00 0.00 2807.40
1995 0.00 0.00 2.50 17.50 273.00 406.00 639.00 780.50 446.00 192.50 1.50 0.00 2758.50
1996 0.00 0.00 0.00 a 8.00 138.00 369.50 541.50 701.00 531.00 203.00 2.50 0.00 2494.50
1997 0.00 a 0.00 0.00 25.50 114.00 405.50 583.50 632.00 522.93 a 140.03 b 4.50 0.00 2427.97
1998 0.00 1.00 19.50 81.72 a 320.85 a 487.50 775.00 d 842.00 620.36 b 232.50 b 19.50 4.00 3403.93
1999 0.00 a 0.00 a 2.50 54.31 a 298.63 a 424.14 a 734.50 701.63 a 461.25 b 150.19 b 33.50 1.07 b 2861.72
2000 0.00 1.50 3.62 a 19.50 292.12 e 352.50 b 680.93 b 788.43 a 457.22 c 145.00 f 47.14 b 0.00 e 2642.96
2001 0.00 0.00 b 0.00 e 55.71 b 234.64 b 402.41 a 633.20 d 789.93 d 516.00 e 178.25 c 63.89 c 0.00 a 2874.03
2002 0.00 0.00 0.00 12.50 136.00 435.50 793.00 601.50 518.50 101.50 3.00 0.00 2601.50
2003 1.00 0.00 21.50 82.50 261.00 345.50 598.50 827.00 532.50 98.50 h 6.00 0.00 2675.50
2004 0.00 1.00 0.00 40.20 e 179.50 386.50 690.00 589.50 515.00 210.50 19.00 0.00 a 2631.20
2005 0.00 0.00 20.00 77.50 167.00 464.50 807.00 742.00 623.50 278.50 18.50 0.00 3198.50
2006 6.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 118.00 7.00 0.00 131.00
2007 0.00 a 0.00 22.98 b 135.50 407.00 580.50 767.50 711.50 490.00 261.50 11.50 0.00 3387.98
2008 0.00 a 0.00 0.00 73.00 204.00 504.00 714.50 747.00 481.00 170.50 55.00 0.00 2949.00
2009 0.00 0.00 4.00 43.50 261.50 0.00 z 622.50 620.50 526.00 77.00 46.50 0.00 2201.50
2010 0.00 0.00 45.00 159.50 370.50 507.50 822.50 779.00 327.50 212.00 34.50 0.00 a 3258.00
2011 0.00 1.00 0.00 45.00 265.57 a 513.50 816.00 750.50 459.50 223.00 0.00 z 0.00 z 3074.07
2012 0.00 z 0.00 z 0.00 z 0.00 z 341.50 572.07 a 870.00 741.50 422.00 101.00 1.00 0.00 3049.07
2013 0.00 0.00 a 0.00 j 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 0.10 0.42 4.22 51.81 214.66 404.65 633.77 682.35 440.16 170.58 17.48 0.47 2629.98
S.D. 0.69 2.07 8.08 52.00 67.03 70.15 100.16 76.45 75.73 65.98 18.56 1.62 290.40
SKEW 7.77 7.26 2.52 4.58 0.47 0.24 -0.03 -0.08 0.02 0.86 1.16 3.82 0.42
MAX 6.00 18.00 45.00 427.50 407.00 580.50 870.00 842.00 623.50 440.50 74.00 9.00 3403.93
MIN 0.00 0.00 0.00 3.50 85.00 211.50 331.00 494.50 279.50 48.50 0.00 0.00 2006.00
NO YRS 86 90 85 88 90 87 90 89 93 92 92 89 71