INTL FALLS INTL AP, MINNESOTA

Monthly Total Growing Degree Days

(214026)

Base Temperature = 50 F

File last updated on Apr 6, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1906 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 553.00 445.50 332.50 69.00 f 0.00 z 0.00 z 1331.00
1907 0.00 0.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 322.50 155.69 a 0.00 z 0.00 z 0.00 z 478.19
1908 0.00 b 0.00 0.00 z 0.00 z 0.00 z 260.50 392.15 a 219.00 189.31 a 23.00 0.00 z 0.00 a 1083.96
1909 0.00 0.00 0.00 0.00 d 76.00 373.50 509.50 499.50 174.50 73.07 c 0.00 0.00 z 1706.07
1910 0.00 z 0.00 0.00 z 49.00 60.50 531.00 538.50 367.00 196.03 a 76.98 a 0.00 0.00 1819.02
1911 0.00 0.00 0.00 29.00 248.00 526.00 488.50 358.50 161.50 29.97 a 0.00 0.00 1841.47
1912 0.00 a 0.00 0.00 15.50 127.00 373.50 529.00 313.00 248.57 b 87.50 0.00 0.00 b 1694.07
1913 0.00 0.00 0.00 71.50 118.50 491.50 448.35 d 490.50 250.00 39.00 0.00 0.00 1909.35
1914 0.00 0.00 0.00 3.50 224.50 392.00 646.50 425.22 a 235.50 145.00 0.00 0.00 2072.22
1915 0.00 0.00 0.00 101.00 115.00 215.00 399.00 436.00 230.00 38.50 0.00 0.00 1534.50
1916 0.00 0.00 0.00 a 8.50 84.00 262.00 814.04 d 511.50 249.64 b 0.00 z 0.00 z 0.00 z 1929.68
1917 0.00 h 0.00 0.00 0.00 83.50 99.00 t 154.00 t 166.50 o 188.28 a 0.00 0.00 0.00 271.78
1918 0.00 0.00 8.00 30.00 133.96 c 0.00 z 385.50 g 499.50 79.14 a 37.50 0.00 0.00 788.10
1919 0.00 0.00 0.00 15.00 267.00 257.50 k 612.00 497.50 185.00 15.00 0.00 a 0.00 1591.50
1920 0.00 0.00 2.00 0.00 98.50 342.41 a 546.00 534.50 384.50 155.00 0.00 a 0.00 2062.91
1921 0.00 0.00 0.00 38.50 267.52 d 485.00 658.50 427.00 250.00 33.00 0.00 0.00 2159.52
1922 0.00 0.00 0.00 1.00 i 291.00 392.00 432.00 501.50 301.50 73.50 0.00 0.00 1991.50
1923 0.00 0.00 a 0.00 a 30.00 194.50 360.50 h 728.00 0.00 z 0.00 z 32.00 5.17 a 0.00 989.67
1924 0.00 0.00 c 0.00 2.00 8.00 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 10.00
1925 0.00 0.00 0.00 a 29.00 60.00 f 0.00 z 14.50 z 0.00 z 0.00 z 0.00 0.00 a 0.00 29.00
1926 0.00 a 0.00 a 0.00 a 20.19 d 143.00 203.50 456.45 b 303.50 31.61 b 21.00 0.00 0.00 z 1179.25
1927 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
1928 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
1929 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
1930 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
1931 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
1932 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
1933 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
1934 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
1935 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
1936 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
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 0.00 z 0.00 z 0.00 z 0.00
1938 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
1939 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
1940 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
1941 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
1942 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
1943 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
1944 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
1945 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
1946 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
1947 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
1948 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 0.00 z 501.17 a 454.09 d 258.00 27.50 0.00 0.00 1240.76
1949 0.00 0.00 0.00 61.00 105.50 357.00 489.50 521.50 79.50 27.00 0.00 0.00 1641.00
1950 0.00 0.00 0.00 0.00 93.00 203.50 g 329.50 252.50 154.50 25.00 0.00 0.00 854.50
1951 0.00 0.00 0.00 6.50 186.50 269.50 437.50 299.00 112.00 37.50 0.00 0.00 1348.50
1952 0.00 0.00 0.00 121.50 113.50 370.00 474.00 368.00 187.50 0.00 0.00 0.00 1634.50
1953 0.00 0.00 0.00 0.00 103.50 324.50 448.00 509.00 111.00 112.00 2.50 0.00 1610.50
1954 0.00 0.00 0.00 0.00 57.50 353.50 498.50 350.00 88.00 6.00 0.00 0.00 1353.50
1955 0.00 0.00 0.00 70.50 193.50 377.00 609.00 527.00 a 144.00 42.50 0.00 0.00 1963.50
1956 0.00 0.00 0.00 0.00 39.00 449.00 362.00 363.50 73.00 56.00 7.50 0.00 1350.00
1957 0.00 0.00 0.00 59.50 86.00 213.50 576.50 366.50 119.50 36.50 0.00 0.00 1458.00
1958 0.00 0.00 0.00 18.00 108.50 171.00 413.50 344.00 158.50 29.50 0.00 0.00 1243.00
1959 0.00 0.00 0.00 1.00 139.00 404.00 523.50 480.50 160.00 14.00 0.00 0.00 1722.00
1960 0.00 0.00 0.00 2.50 162.00 243.50 471.00 491.00 167.50 41.50 0.00 0.00 1579.00
1961 0.00 0.00 0.00 0.00 111.50 403.00 518.00 479.43 b 156.50 60.00 0.00 0.00 1728.43
1962 0.00 0.00 0.00 8.50 138.50 350.50 397.50 403.00 99.50 66.50 0.00 0.00 1464.00
1963 0.00 a 0.00 2.50 16.00 101.50 424.50 538.00 401.00 235.50 171.00 0.00 0.00 1890.00
1964 0.00 0.00 0.00 15.50 181.00 306.50 561.50 304.50 112.00 38.00 1.50 0.00 1520.50
1965 0.00 0.00 0.00 12.50 117.50 284.00 407.00 374.00 38.50 17.00 0.00 0.00 1250.50
1966 0.00 0.00 0.00 0.00 76.50 395.00 602.50 395.50 175.50 22.50 0.00 0.00 1667.50
1967 0.00 0.00 7.00 0.00 85.00 309.00 448.50 373.00 247.50 18.00 0.00 0.00 1488.00
1968 0.00 0.00 0.00 11.50 59.00 284.50 473.00 350.50 201.50 42.50 0.00 0.00 1422.50
1969 0.00 0.00 0.00 19.50 105.00 137.00 465.50 544.00 192.50 10.00 0.00 0.00 1473.50
1970 0.00 0.00 0.00 2.50 60.50 448.50 624.00 469.00 223.50 38.00 0.00 0.00 1866.00
1971 0.00 0.00 0.00 15.00 87.50 430.50 374.00 412.00 220.50 35.00 0.00 0.00 1574.50
1972 0.00 0.00 0.00 20.50 334.00 389.50 430.50 483.00 105.50 29.00 0.00 0.00 1792.00
1973 0.00 0.00 0.00 22.50 127.50 440.50 569.00 564.50 144.50 70.00 0.00 0.00 1938.50
1974 0.00 0.00 0.00 15.00 65.50 343.50 621.00 368.00 59.00 22.00 0.00 0.00 1494.00
1975 0.00 0.00 0.00 0.00 198.00 335.50 626.00 376.00 82.00 53.00 14.50 0.00 1685.00
1976 0.00 0.00 0.00 28.00 131.50 438.00 495.00 462.00 183.00 23.00 0.00 0.00 1760.50
1977 0.00 0.00 0.00 42.00 364.00 354.50 514.50 219.00 96.50 8.00 0.00 0.00 1598.50
1978 0.00 0.00 0.00 7.50 200.00 298.00 418.50 402.00 211.00 38.50 0.00 0.00 1575.50
1979 0.00 0.00 0.00 8.00 75.00 286.50 505.50 314.00 125.50 0.00 0.00 0.00 1314.50
1980 0.00 0.00 0.00 75.50 333.50 370.00 582.50 462.50 158.00 14.50 0.00 0.00 1996.50
1981 0.00 0.00 0.00 6.50 151.00 344.00 577.00 551.00 170.00 6.00 5.00 0.00 1810.50
1982 0.00 0.00 0.00 40.00 199.00 195.00 536.00 352.50 155.50 18.00 0.00 0.00 1496.00
1983 0.00 0.00 0.00 10.00 70.00 357.50 607.50 574.50 202.00 9.00 0.00 0.00 1830.50
1984 0.00 0.00 0.00 6.00 84.50 346.00 468.00 547.00 78.50 83.00 0.00 0.00 1613.00
1985 0.00 0.00 0.00 50.00 146.00 153.00 422.00 311.00 128.50 9.00 0.00 0.00 1219.50
1986 0.00 0.00 0.00 9.50 245.00 313.00 516.00 348.00 112.50 17.00 0.00 0.00 1561.00
1987 0.00 0.00 0.00 72.00 198.50 423.00 554.50 385.00 194.00 9.50 0.00 0.00 1836.50
1988 0.00 0.00 0.00 11.00 281.50 525.50 569.00 470.00 134.50 24.00 0.00 0.00 2015.50
1989 0.00 0.00 0.00 10.50 173.00 310.50 610.00 471.00 198.50 51.50 0.00 0.00 1825.00
1990 0.00 0.00 2.50 87.00 82.50 396.50 489.00 494.50 196.00 0.50 6.00 0.00 1754.50
1991 0.00 0.00 0.00 63.00 337.50 482.00 508.00 552.50 151.00 2.00 0.00 0.00 2096.00
1992 0.00 0.00 0.00 3.50 218.50 238.50 291.00 319.50 135.50 30.50 0.00 0.00 1237.00
1993 0.00 0.00 0.00 1.50 112.50 265.50 445.50 464.50 44.00 14.50 0.00 0.00 1348.00
1994 0.00 0.00 0.00 13.50 193.00 421.50 456.50 367.00 255.00 61.50 0.00 0.00 1768.00
1995 0.00 0.00 0.00 0.00 119.00 551.00 492.00 528.00 168.00 29.50 0.00 0.00 1887.50
1996 0.00 0.00 0.00 1.00 99.50 417.50 466.00 498.50 195.00 20.00 0.00 0.00 1697.50
1997 0.00 0.00 0.00 1.50 38.00 382.00 438.50 328.50 207.00 83.50 0.00 0.00 1479.00
1998 0.00 0.00 0.50 24.50 201.00 323.00 443.00 501.50 216.00 16.00 0.00 0.00 1725.50
1999 0.00 c 0.00 0.00 16.00 186.50 336.50 513.50 373.00 109.00 0.00 2.00 0.00 a 1536.50
2000 0.00 0.00 a 0.00 20.00 153.50 226.50 501.50 428.00 131.00 34.00 4.50 0.00 1499.00
2001 0.00 0.00 0.00 40.50 146.50 372.00 517.18 a 483.50 169.00 10.50 9.00 0.00 a 1748.18
2002 0.00 0.00 0.00 29.00 91.50 404.50 572.00 435.50 260.50 7.00 0.00 0.00 1800.00
2003 0.00 0.00 0.00 13.00 128.50 330.50 437.50 517.50 194.00 58.00 0.00 0.00 1679.00
2004 0.00 0.00 0.00 8.50 27.00 191.00 397.50 202.00 265.50 31.50 0.00 0.00 1123.00
2005 0.00 0.00 0.00 28.50 110.00 376.50 495.00 353.50 204.00 35.50 0.00 0.00 1603.00
2006 0.00 0.00 0.00 42.50 203.50 357.50 576.50 404.50 159.00 24.50 0.00 0.00 1768.00
2007 0.00 0.00 0.00 26.00 185.00 388.50 482.00 358.00 178.00 34.50 0.00 0.00 1652.00
2008 0.00 0.00 0.00 3.00 36.00 245.00 383.00 377.50 138.00 19.00 6.00 0.00 1207.50
2009 0.00 0.00 0.00 5.00 29.00 257.50 273.00 319.50 307.00 0.00 0.00 0.00 1191.00
2010 0.00 0.00 9.00 25.00 186.50 265.50 505.00 491.00 56.50 57.00 4.50 0.00 1600.00
2011 0.00 0.00 0.00 0.50 108.50 267.50 542.00 440.00 159.50 117.00 0.00 0.00 1635.00
2012 0.00 0.00 50.50 4.50 132.00 386.00 589.50 372.50 128.50 6.50 0.00 0.00 1670.00
2013 0.00 0.00 a 0.00 a 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 0.00 1.00 21.93 142.65 345.52 502.86 417.75 170.18 36.97 0.84 0.00 1637.01
S.D. 0.00 0.00 5.75 25.62 77.66 91.45 90.75 87.01 67.91 34.66 2.42 0.00 239.05
SKEW 0.00 0.00 7.99 1.70 0.86 -0.05 0.33 -0.28 0.35 1.82 3.46 0.00 -0.06
MAX 0.00 0.00 50.50 121.50 364.00 551.00 814.04 574.50 384.50 171.00 14.50 0.00 2159.52
MIN 0.00 0.00 0.00 0.00 8.00 137.00 273.00 202.00 31.61 0.00 0.00 0.00 1123.00
NO YRS 83 85 82 81 81 76 81 82 83 82 81 81 70