GRAND MARAIS, MINNESOTA

Monthly Total Growing Degree Days

(213282)

Base Temperature = 50 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 31.50 m 141.00 280.00 356.00 164.00 0.00 z 0.00 z 0.00 j 941.00
1914 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 231.50 l 0.00 z 69.00 k 0.00 z 0.00 q 0.00
1915 0.00 1.00 0.00 z 197.50 0.00 z 0.00 z 0.00 z 55.00 v 0.00 z 0.00 z 0.00 z 0.00 z 198.50
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 166.50 f 0.00 z 0.00 0.00 c 0.00
1917 0.00 a 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 88.00 5.00 0.00 0.00 e 93.00
1918 0.00 z 0.00 a 0.00 a 5.00 33.50 90.52 a 299.15 a 365.50 63.00 18.60 a 0.00 0.00 875.27
1919 0.00 0.00 0.00 0.00 28.00 136.50 396.00 457.50 172.50 14.50 0.00 a 0.00 1205.00
1920 0.00 z 0.00 z 0.00 a 0.00 a 31.00 104.50 239.00 360.50 267.22 c 62.00 0.00 0.00 1064.22
1921 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 375.50 239.00 5.50 0.00 0.00 620.00
1922 0.00 a 0.00 0.00 0.00 33.00 76.50 196.00 347.50 196.00 0.00 z 0.00 z 0.00 z 849.00
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 25.50 0.00 0.00 25.50
1924 0.00 d 0.00 a 0.00 0.00 17.50 68.50 176.00 231.00 81.00 35.00 0.00 0.00 a 609.00
1925 0.00 a 0.00 0.00 0.00 23.50 135.00 346.50 453.50 246.50 0.00 0.00 0.00 1205.00
1926 0.00 e 0.00 a 0.00 13.00 20.15 a 111.96 b 199.00 374.50 81.50 4.13 a 0.00 0.00 e 804.25
1927 0.00 0.00 0.00 n 0.00 0.00 61.00 179.50 221.50 237.32 b 15.00 0.00 0.00 c 714.32
1928 0.00 c 0.00 0.00 a 0.00 13.00 60.50 193.50 346.00 90.00 b 9.00 0.00 a 0.00 712.00
1929 0.00 b 0.00 a 0.00 0.00 13.00 70.00 345.50 341.00 132.50 22.50 0.00 0.00 924.50
1930 0.00 0.00 0.00 0.00 d 15.50 158.28 a 297.50 509.00 142.50 d 12.00 0.00 b 0.00 1134.78
1931 0.00 0.00 0.00 6.50 41.50 107.59 a 436.00 389.00 247.00 62.00 0.50 0.00 1290.09
1932 0.00 0.00 0.00 3.00 39.00 124.00 363.00 464.50 126.50 8.00 0.00 0.00 1128.00
1933 0.00 0.00 0.00 0.00 30.50 141.00 283.50 393.50 267.50 2.50 0.00 0.00 1118.50
1934 0.00 0.00 0.00 a 0.00 76.00 141.00 337.50 300.00 105.00 38.00 0.00 0.00 997.50
1935 0.00 0.00 a 0.00 0.00 23.00 96.50 357.00 409.00 96.50 3.50 0.00 0.00 985.50
1936 0.00 0.00 0.00 0.00 62.00 132.00 389.00 419.00 223.50 9.00 0.00 0.00 1234.50
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 9.00 0.00 0.00 l 9.00
1938 0.00 h 0.00 0.00 0.00 0.00 60.50 152.50 340.00 124.29 b 23.00 0.00 0.00 j 700.29
1939 0.00 j 0.00 0.00 0.00 20.50 66.00 210.00 356.00 149.50 4.50 0.00 0.00 806.50
1940 0.00 0.00 0.00 0.00 11.00 109.50 219.00 337.00 220.50 31.00 0.00 0.00 928.00
1941 0.00 0.00 0.00 5.00 31.50 85.00 343.00 347.00 142.50 8.50 0.00 0.00 962.50
1942 0.00 0.00 h 0.00 1.00 22.00 59.00 286.50 323.00 147.50 35.50 0.00 0.00 874.50
1943 0.00 0.00 0.00 4.00 1.60 b 66.72 a 205.08 e 318.50 69.00 26.00 0.00 0.00 a 690.90
1944 0.00 0.00 0.00 0.00 60.50 92.50 223.00 320.50 163.00 8.50 0.00 0.00 868.00
1945 0.00 0.00 0.00 0.00 9.00 71.00 304.00 393.00 153.00 7.00 0.00 0.00 937.00
1946 0.00 0.00 0.00 2.50 12.50 81.00 278.50 337.50 141.50 38.00 0.00 0.00 891.50
1947 0.00 0.00 0.00 0.00 15.00 15.50 121.50 252.50 172.50 35.00 2.00 0.00 614.00
1948 0.00 0.00 0.00 0.00 50.50 116.00 267.00 346.00 295.50 26.50 4.62 d 0.00 a 1106.12
1949 0.00 0.00 a 0.00 a 2.68 b 19.50 102.50 274.50 388.53 a 59.00 4.50 0.00 0.00 851.21
1950 0.00 0.00 0.00 0.00 14.00 21.00 l 66.50 194.00 124.62 d 5.00 0.00 c 0.00 g 404.12
1951 0.00 h 0.00 e 0.00 g 0.00 33.07 a 38.50 f 154.00 k 287.27 a 114.60 e 15.00 0.00 j 0.00 d 449.93
1952 0.00 j 0.00 h 0.00 l 0.00 q 18.27 c 0.00 z 0.00 z 241.50 k 151.50 5.34 b 0.00 b 0.00 f 175.11
1953 0.00 f 0.00 a 0.00 2.00 12.63 d 142.50 343.00 430.00 140.56 c 51.15 a 1.07 b 0.00 f 1122.91
1954 0.00 0.00 0.00 0.00 b 18.00 186.60 e 371.45 c 272.50 g 106.00 h 4.50 g 0.00 d 0.00 f 576.05
1955 0.00 i 0.00 g 0.00 j 1.50 i 44.43 a 230.89 b 493.86 b 439.50 f 187.50 b 29.85 d 0.00 g 0.00 a 986.54
1956 0.00 i 0.00 c 0.00 h 0.00 g 15.00 204.31 a 279.00 d 231.50 i 77.59 a 41.33 d 5.50 k 0.00 c 617.23
1957 0.00 e 0.00 e 0.00 d 13.50 29.00 g 87.00 f 359.50 370.00 126.50 16.00 0.00 0.00 885.50
1958 0.00 0.00 0.00 10.00 61.50 121.00 337.00 371.00 165.00 19.50 0.00 0.00 1085.00
1959 0.00 0.00 0.00 0.00 49.00 227.50 461.50 427.50 197.00 7.00 0.00 0.00 1369.50
1960 0.00 0.00 0.00 0.00 64.50 168.50 360.50 419.00 192.00 32.50 0.00 0.00 1237.00
1961 0.00 0.00 0.00 2.00 50.00 186.50 385.00 448.00 192.50 34.00 0.00 0.00 1298.00
1962 0.00 0.00 0.00 b 0.50 70.00 156.00 308.89 c 343.00 128.50 77.50 0.00 0.00 1084.39
1963 0.00 0.00 1.50 0.00 20.31 b 188.50 389.22 d 369.50 184.50 154.50 0.00 0.00 1308.03
1964 0.00 0.00 0.00 0.00 119.50 146.50 452.00 287.50 112.50 19.50 0.00 0.00 1137.50
1965 0.00 0.00 0.00 10.00 61.00 179.50 294.50 312.00 56.50 27.00 0.00 0.00 940.50
1966 0.00 0.00 0.00 0.00 55.50 213.00 486.59 c 307.50 192.50 4.50 0.00 0.00 1259.59
1967 0.00 0.00 0.00 0.00 34.00 152.00 313.50 294.50 b 192.00 21.50 0.00 0.00 1007.50
1968 0.00 0.00 0.00 6.50 30.00 135.54 b 307.00 253.50 184.50 49.50 0.00 0.00 966.54
1969 0.00 0.00 0.00 1.50 54.00 48.50 339.00 443.50 166.00 19.00 0.00 0.00 1071.50
1970 0.00 0.00 0.00 3.50 36.50 228.50 504.00 459.50 171.50 6.00 0.00 0.00 1409.50
1971 0.00 0.00 0.00 0.00 27.50 207.50 312.50 317.00 210.00 51.00 0.00 0.00 1125.50
1972 0.00 0.00 0.00 0.00 96.00 190.50 281.50 340.00 88.50 6.50 0.00 0.00 1003.00
1973 0.00 0.00 0.00 0.00 13.50 73.00 267.50 397.50 143.00 33.50 0.00 0.00 928.00
1974 0.00 0.00 0.00 a 0.00 9.00 75.50 317.50 297.00 61.00 10.00 0.00 0.00 770.00
1975 0.00 0.00 0.00 0.00 39.00 90.00 344.50 340.00 113.00 34.50 4.00 0.00 965.00
1976 0.00 a 0.00 0.00 0.00 37.50 120.00 409.50 439.50 139.50 28.50 0.00 0.00 1174.50
1977 0.00 0.00 0.00 8.00 36.00 102.50 284.50 205.50 87.00 17.00 1.50 0.00 742.00
1978 0.00 0.00 0.00 0.00 39.50 93.50 258.00 318.78 a 206.00 18.60 a 0.00 0.00 934.38
1979 0.00 0.00 0.00 0.00 5.00 115.00 216.00 292.50 168.00 12.00 0.00 0.00 808.50
1980 0.00 0.00 0.00 35.00 34.00 109.00 384.50 407.00 129.00 17.00 0.00 0.00 1115.50
1981 0.00 0.00 0.00 0.00 19.50 83.00 346.50 456.00 226.00 2.50 0.00 0.00 1133.50
1982 0.00 0.00 0.00 1.50 20.50 84.50 229.00 267.00 120.50 12.50 0.00 0.00 735.50
1983 0.00 0.00 0.00 0.00 5.50 65.00 353.50 522.19 b 161.38 a 3.50 0.00 0.00 1111.07
1984 0.00 0.00 0.00 0.00 36.50 97.50 297.50 450.50 132.50 26.00 0.00 0.00 1040.50
1985 0.00 0.00 0.00 0.00 23.50 105.00 261.50 270.00 165.54 b 4.00 0.00 0.00 829.54
1986 0.00 0.00 0.00 1.00 47.53 a 136.55 a 268.00 343.50 122.00 14.00 0.00 0.00 932.59
1987 0.00 0.00 0.00 7.24 a 49.50 218.50 443.50 426.50 234.31 a 10.00 0.00 0.00 1389.55
1988 0.00 0.00 a 0.00 0.00 31.00 178.00 486.00 460.00 211.00 17.00 0.00 0.00 1383.00
1989 0.00 0.00 0.00 0.00 36.00 42.50 327.00 374.50 172.50 18.00 0.00 0.00 970.50
1990 0.00 0.00 0.00 0.00 1.50 124.50 328.00 390.50 232.50 12.00 4.00 0.00 1093.00
1991 0.00 0.00 0.00 2.00 41.50 104.00 276.50 502.50 187.50 4.00 0.00 0.00 1118.00
1992 0.00 0.00 0.00 0.00 25.32 a 74.00 171.00 311.50 146.50 34.00 0.00 0.00 762.32
1993 0.00 0.00 0.00 0.00 15.00 79.00 248.50 455.50 51.00 2.50 0.00 0.00 851.50
1994 0.00 0.00 0.00 4.50 44.00 144.00 315.00 323.00 245.00 44.43 a 0.00 0.00 1119.93
1995 0.00 0.00 0.00 0.00 42.50 118.50 329.00 470.50 184.00 24.50 0.00 0.00 1169.00
1996 0.00 0.00 0.00 a 0.00 19.00 101.50 234.50 391.00 241.50 12.00 0.00 0.00 999.50
1997 0.00 a 0.00 0.00 2.00 0.00 123.00 274.00 322.00 224.48 a 29.40 b 0.00 0.00 974.88
1998 0.00 0.00 0.00 9.31 a 61.48 a 201.50 465.00 d 532.00 320.36 b 15.50 b 0.00 0.00 1605.15
1999 0.00 a 0.00 a 0.00 0.00 a 51.67 a 143.28 a 424.50 391.63 a 175.71 b 10.16 b 0.00 0.00 b 1196.95
2000 0.00 0.00 0.00 a 0.00 54.85 e 70.71 b 370.93 b 478.43 a 183.89 c 15.50 f 2.68 b 0.00 e 1161.49
2001 0.00 0.00 b 0.00 e 4.82 b 28.33 b 109.66 a 323.78 d 479.93 d 223.80 e 25.46 c 1.11 c 0.00 a 1196.88
2002 0.00 0.00 0.00 0.00 29.50 154.00 483.00 291.50 246.00 21.00 0.00 0.00 1225.00
2003 0.00 0.00 0.00 11.50 44.50 69.50 288.50 517.00 255.50 18.50 h 0.00 0.00 1186.50
2004 0.00 0.00 0.00 0.00 e 13.00 108.00 380.00 279.50 218.50 42.50 0.00 0.00 a 1041.50
2005 0.00 0.00 0.00 6.00 9.50 173.50 497.00 432.00 327.50 79.50 0.00 0.00 1525.00
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 31.50 0.00 0.00 31.50
2007 0.00 a 0.00 0.00 b 32.50 147.00 280.50 457.50 401.50 214.00 57.00 0.00 0.00 1590.00
2008 0.00 a 0.00 0.00 7.50 23.50 210.50 404.50 437.00 184.00 24.50 15.00 0.00 1306.50
2009 0.00 0.00 0.00 1.50 45.00 0.00 z 312.50 311.00 237.50 0.50 0.00 0.00 908.00
2010 0.00 0.00 2.00 15.00 145.50 215.50 512.50 469.00 67.50 37.00 1.00 0.00 a 1465.00
2011 0.00 0.00 0.00 0.00 64.58 a 218.00 506.00 440.50 203.00 70.00 0.00 z 0.00 z 1502.08
2012 0.00 z 0.00 z 0.00 z 0.00 z 74.00 276.21 a 560.00 431.50 154.50 2.50 0.00 0.00 1498.71
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 0.00 0.01 0.04 4.99 35.59 127.40 325.57 372.75 167.50 23.48 0.41 0.00 1066.26
S.D. 0.00 0.11 0.27 21.59 27.44 55.79 97.15 75.87 61.54 22.52 1.75 0.00 221.94
SKEW 0.00 9.33 6.49 8.25 1.83 0.64 0.12 -0.05 0.16 2.65 6.73 0.00 0.22
MAX 0.00 1.00 2.00 197.50 147.00 280.50 560.00 532.00 327.50 154.50 15.00 0.00 1605.15
MIN 0.00 0.00 0.00 0.00 0.00 15.50 66.50 194.00 51.00 0.00 0.00 0.00 609.00
NO YRS 86 90 85 88 90 87 90 89 93 92 92 89 71