ITASCA UNIV OF MINN, MINNESOTA

Monthly Total Growing Degree Days

(214106)

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
1911 0.00 z 0.00 z 0.00 z 0.00 z 335.26 d 567.32 b 512.02 a 419.00 197.50 54.00 0.00 0.00 2085.10
1912 0.00 0.00 0.00 27.00 156.50 359.50 508.50 335.00 h 276.72 a 100.00 0.00 0.00 z 1428.22
1913 0.00 0.00 0.00 91.50 127.00 440.00 433.50 505.50 217.50 42.50 0.00 0.00 1857.50
1914 0.00 0.00 0.00 6.50 226.00 355.50 514.00 376.65 a 232.50 85.50 0.00 0.00 1796.65
1915 0.00 a 0.00 0.00 103.50 66.50 214.50 339.50 274.50 205.50 37.00 0.00 0.00 1241.00
1916 0.00 0.00 0.00 0.00 79.50 166.03 a 676.04 e 412.00 161.54 d 22.00 0.00 0.00 1517.11
1917 0.00 0.00 0.00 a 4.66 a 75.00 248.00 621.50 370.50 182.00 16.61 c 0.00 0.00 1518.26
1918 0.00 0.00 12.00 20.00 167.00 315.00 439.00 455.50 56.00 25.00 0.00 0.00 1489.50
1919 0.00 0.00 0.00 a 24.50 212.00 509.50 615.50 360.50 211.50 11.50 0.00 k 0.00 h 1945.00
1920 0.00 z 0.00 2.00 0.00 a 107.47 a 353.50 451.57 a 436.50 305.00 96.50 0.00 0.00 e 1752.53
1921 0.00 k 0.00 0.00 41.00 213.00 534.50 648.50 477.00 185.00 c 25.00 0.00 0.00 2124.00
1922 0.00 0.00 0.00 11.90 a 233.00 423.00 e 446.00 545.50 262.00 64.50 0.00 0.00 1985.90
1923 0.00 0.00 0.00 30.50 185.00 464.00 617.70 d 350.50 262.00 69.00 0.00 a 0.00 1978.70
1924 0.00 0.00 0.00 z 7.00 16.50 160.00 343.50 224.50 77.50 0.00 z 0.00 z 0.00 z 829.00
1925 0.00 z 0.00 z 0.00 z 16.55 a 139.50 239.00 297.50 301.50 113.50 l 0.00 0.00 0.00 994.05
1926 0.00 0.00 0.00 40.00 263.00 230.17 a 514.50 414.00 145.00 13.50 0.00 c 0.00 1620.17
1927 0.00 e 0.00 0.00 7.00 32.50 319.50 393.00 293.00 222.00 7.00 f 0.00 0.00 1267.00
1928 0.00 0.00 0.50 0.00 z 146.50 m 213.50 471.95 b 402.00 110.50 24.50 0.00 0.00 1222.95
1929 0.00 0.00 0.00 8.00 132.27 a 292.00 517.00 426.50 171.72 a 35.28 b 0.00 a 0.00 1582.77
1930 0.00 0.00 0.00 a 16.55 a 129.00 348.00 573.50 525.50 205.00 75.00 0.00 0.00 a 1872.55
1931 0.00 0.00 0.00 29.50 123.00 459.50 543.00 403.50 322.50 66.50 0.00 0.00 1947.50
1932 0.00 0.00 0.00 a 8.00 173.50 456.50 537.00 281.00 k 162.00 18.00 0.00 0.00 1355.00
1933 0.00 0.00 0.00 16.00 182.50 561.21 a 618.50 442.00 267.50 8.50 0.00 0.00 2096.21
1934 0.00 a 0.00 0.00 36.00 314.50 358.50 499.00 163.50 m 132.00 88.00 0.00 0.00 1428.00
1935 0.00 0.00 0.00 0.00 42.50 253.50 687.00 463.00 140.50 44.50 0.00 0.00 1631.00
1936 0.00 0.00 0.00 0.00 267.50 316.50 703.70 a 499.00 324.50 31.50 0.00 0.00 2142.70
1937 0.00 0.00 0.00 0.00 a 138.47 a 341.00 584.50 618.50 202.50 30.50 0.00 0.00 1915.47
1938 0.00 0.00 w 2.00 n 23.50 84.00 363.00 532.50 568.00 200.50 99.50 3.00 0.00 a 1874.00
1939 0.00 0.00 0.00 14.50 284.00 346.00 587.50 510.50 276.50 22.50 0.00 0.00 2041.50
1940 0.00 0.00 0.00 8.50 106.50 305.50 552.50 426.50 310.50 72.00 0.00 0.00 1782.00
1941 0.00 0.00 0.00 79.00 265.50 415.50 608.50 475.50 243.00 28.00 0.00 0.00 2115.00
1942 0.00 0.00 0.00 114.00 96.50 307.50 473.50 456.00 178.00 94.50 0.00 0.00 1720.00
1943 0.00 0.00 0.00 11.50 103.00 377.00 642.50 502.50 161.00 91.00 0.00 0.00 1888.50
1944 0.00 0.00 0.00 5.00 243.50 388.50 503.50 457.50 171.50 36.00 0.00 0.00 1805.50
1945 0.00 0.00 5.50 9.00 46.50 233.50 471.00 441.00 169.50 36.00 0.00 0.00 1412.00
1946 0.00 0.00 19.50 32.00 113.00 356.00 533.50 386.50 167.50 30.00 0.00 0.00 1638.00
1947 0.00 0.00 0.00 12.00 53.50 253.50 556.50 606.50 228.00 154.50 0.00 0.00 1864.50
1948 0.00 0.00 0.00 33.50 130.00 296.50 519.00 471.00 222.00 l 34.32 c 0.00 0.00 1484.32
1949 0.00 0.00 0.00 61.00 171.50 405.00 551.50 543.00 119.50 48.00 0.00 0.00 a 1899.50
1950 0.00 0.00 0.00 0.00 81.00 325.50 431.00 338.13 d 224.00 32.00 0.00 0.00 1431.63
1951 0.00 0.00 0.00 7.76 a 182.50 227.00 460.00 334.50 139.66 a 57.50 0.00 0.00 a 1408.91
1952 0.00 0.00 0.00 105.50 124.00 405.50 495.00 389.50 273.00 9.50 0.00 0.00 a 1802.00
1953 0.00 0.00 0.00 2.00 140.50 385.00 482.00 542.50 179.00 158.50 2.50 0.00 a 1892.00
1954 0.00 0.00 0.00 8.00 79.50 385.00 542.00 413.00 150.50 37.00 0.00 a 0.00 1615.00
1955 0.00 0.00 0.00 58.00 254.00 374.48 a 645.50 603.00 228.00 84.00 0.00 0.00 2246.98
1956 0.00 0.00 0.00 0.00 100.00 494.50 415.50 431.00 128.00 114.50 4.50 0.00 a 1688.00
1957 0.00 0.00 0.00 62.00 114.00 284.50 657.20 a 451.00 155.00 66.13 a 0.00 0.00 1789.83
1958 0.00 0.00 0.00 25.00 167.00 192.00 437.50 445.50 205.50 42.50 0.00 0.00 a 1515.00
1959 0.00 0.00 0.00 3.62 a 169.00 419.50 545.50 555.50 218.00 11.50 0.00 0.00 a 1922.62
1960 0.00 0.00 0.00 14.00 165.50 305.50 559.50 533.00 259.66 a 59.00 0.00 a 0.00 1896.16
1961 0.00 0.00 2.00 4.00 130.50 474.00 517.50 618.50 234.00 81.00 0.00 0.00 2061.50
1962 0.00 0.00 0.00 30.50 171.50 398.50 461.00 485.50 132.00 80.50 0.00 0.00 1759.50
1963 0.00 0.00 10.50 12.50 127.00 471.00 580.00 483.50 263.00 200.00 0.00 0.00 2147.50
1964 0.00 0.00 0.00 22.50 213.00 340.50 556.50 336.50 146.50 33.00 2.00 0.00 1650.50
1965 0.00 0.00 0.00 11.50 120.50 345.50 486.50 444.00 46.50 22.00 1.50 0.00 1478.00
1966 0.00 0.00 0.00 0.00 89.50 370.00 633.50 382.50 192.50 33.50 0.00 0.00 1701.50
1967 0.00 0.00 10.50 2.50 77.00 313.50 494.50 439.17 a 228.00 36.00 0.00 0.00 1601.17
1968 0.00 0.00 3.50 26.50 97.50 373.00 496.50 457.50 210.00 b 67.50 0.00 0.00 1732.00
1969 0.00 0.00 0.00 16.03 a 185.50 211.00 521.00 619.00 259.50 20.00 3.00 0.00 a 1835.03
1970 0.00 0.00 0.00 13.50 114.50 459.64 b 633.00 516.50 288.50 55.50 0.00 0.00 2081.14
1971 0.00 0.00 0.00 28.50 109.65 d 489.00 420.50 469.13 a 253.00 73.50 0.00 0.00 a 1843.28
1972 0.00 0.00 0.00 5.50 289.00 387.93 a 448.50 492.00 126.00 32.50 0.00 0.00 1781.43
1973 0.00 0.00 0.00 24.00 141.50 424.50 513.50 611.00 201.50 114.00 0.00 0.00 2030.00
1974 0.00 0.00 0.00 45.00 110.05 a 380.00 671.00 396.00 119.50 33.50 0.00 0.00 1755.05
1975 0.00 0.00 0.00 0.00 220.00 383.50 642.00 475.50 124.00 80.50 12.00 0.00 1937.50
1976 0.00 0.00 0.00 48.50 171.00 489.00 578.00 602.50 288.00 61.50 0.00 0.00 2238.50
1977 0.00 b 0.00 0.00 101.00 455.00 424.50 617.50 318.50 168.00 23.50 0.00 0.00 2108.00
1978 0.00 0.00 0.00 12.50 242.50 381.50 538.00 515.00 316.50 38.00 3.50 0.00 2047.50
1979 0.00 0.00 0.00 8.00 89.50 358.50 552.00 411.50 279.00 18.50 0.00 0.00 1717.00
1980 0.00 0.00 0.00 83.50 312.58 a 395.50 603.50 477.50 162.86 b 43.00 0.00 0.00 2078.44
1981 0.00 0.00 3.50 19.00 166.37 a 370.00 571.00 519.00 200.00 30.00 1.07 b 0.00 1879.94
1982 0.00 0.00 0.00 38.00 193.75 a 186.00 546.00 468.62 a 177.00 11.50 0.00 0.00 1620.87
1983 0.00 b 0.00 0.00 14.50 67.00 360.00 a 635.50 606.50 232.76 a 18.00 0.00 0.00 1934.26
1984 0.00 0.00 0.00 3.00 104.50 390.00 533.00 588.00 110.00 101.02 b 0.00 0.00 1829.52
1985 0.00 0.00 0.00 64.66 a 204.50 215.00 472.50 347.00 158.28 a 4.00 0.00 a 0.00 1465.93
1986 0.00 a 0.00 a 4.50 8.50 204.50 389.00 576.50 364.50 129.50 17.00 0.00 0.00 1694.00
1987 0.00 0.00 0.00 80.00 236.00 482.00 612.50 423.00 199.00 13.00 0.00 0.00 2045.50
1988 0.00 0.00 0.00 8.00 330.50 550.00 604.50 512.50 151.55 a 25.50 0.00 0.00 2182.55
1989 0.00 0.00 0.00 11.00 194.00 324.00 639.00 507.00 179.00 53.50 0.00 0.00 1907.50
1990 0.00 0.00 0.00 76.00 106.50 418.00 524.50 531.00 264.00 16.50 7.00 0.00 1943.50
1991 0.00 0.00 0.00 38.50 320.50 481.50 497.00 559.00 192.00 8.00 0.00 0.00 2096.50
1992 0.00 0.00 0.00 11.50 228.50 269.50 289.00 334.00 119.50 39.00 0.00 0.00 1291.00
1993 0.00 0.00 0.00 1.50 112.50 259.50 404.00 439.50 67.00 16.00 0.00 0.00 1300.00
1994 0.00 0.00 0.00 9.00 200.00 402.00 443.00 389.00 241.50 50.00 0.00 0.00 a 1734.50
1995 0.00 0.00 0.00 0.00 90.00 541.00 502.00 535.00 210.00 33.00 0.00 0.00 1911.00
1996 0.00 0.00 0.00 0.00 115.50 397.50 455.00 504.50 197.00 21.50 0.00 0.00 1691.00
1997 0.00 0.00 0.00 0.00 52.00 441.50 494.00 406.50 269.50 78.00 0.00 0.00 1741.50
1998 0.00 0.00 0.00 25.00 251.50 300.00 520.00 527.50 295.50 18.00 0.00 0.00 1937.50
1999 0.00 0.00 0.00 7.76 a 180.32 a 386.90 a 580.00 448.98 a 139.50 7.48 b 1.50 0.00 1752.44
2000 0.00 a 0.00 z 0.00 z 21.00 149.00 268.50 519.50 497.50 166.50 47.50 4.00 0.00 1673.50
2001 0.00 0.00 0.00 a 35.50 168.00 390.50 575.05 a 576.60 a 191.00 19.50 5.00 0.00 1961.15
2002 0.00 0.00 0.00 32.50 94.50 449.50 620.50 472.00 303.50 14.50 0.00 0.00 1987.00
2003 0.00 z 0.00 0.00 z 0.00 z 130.50 360.50 529.50 599.50 241.50 77.00 0.00 0.00 1938.50
2004 0.00 0.00 0.00 14.00 73.50 236.00 438.00 262.00 320.00 47.50 0.00 0.00 1391.00
2005 0.00 0.00 0.00 41.50 131.00 466.00 571.00 443.00 288.00 41.00 0.00 0.00 1981.50
2006 0.00 0.00 0.00 53.50 197.50 395.00 681.00 500.00 191.00 36.00 0.00 0.00 2054.00
2007 0.00 0.00 4.50 37.50 190.00 461.50 589.00 431.00 204.50 29.50 0.00 0.00 1947.50
2008 0.00 0.00 0.00 0.00 65.00 298.50 478.00 474.50 212.00 8.50 13.45 a 0.00 1549.95
2009 0.00 0.00 z 0.00 z 0.00 z 70.50 254.50 g 0.00 z 0.00 z 0.00 z 0.00 0.00 0.00 a 70.50
2010 0.00 0.00 4.00 17.50 199.00 335.00 547.50 556.00 93.00 77.00 0.00 0.00 1829.00
2011 0.00 0.00 0.00 2.50 90.79 c 300.00 a 630.00 369.50 i 211.00 132.50 0.00 a 0.00 a 1366.79
2012 0.00 0.00 46.50 a 16.50 179.05 b 427.50 b 500.00 h 462.93 a 203.50 21.00 0.00 a 0.00 a 1356.99
2013 0.00 0.00 0.00 h 0.00 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 1.36 24.68 158.18 364.04 533.52 460.98 200.21 47.63 0.64 0.00 1807.29
S.D. 0.00 0.00 5.51 27.05 78.12 92.18 84.34 86.91 63.15 36.71 2.11 0.00 231.27
SKEW 0.00 0.00 6.44 1.58 0.88 -0.07 -0.41 -0.23 -0.05 1.47 4.37 0.00 -0.38
MAX 0.00 0.00 46.50 114.00 455.00 567.32 703.70 619.00 324.50 200.00 13.45 0.00 2246.98
MIN 0.00 0.00 0.00 0.00 16.50 160.00 289.00 224.50 46.50 0.00 0.00 0.00 1241.00
NO YRS 98 98 95 98 101 101 100 97 99 100 100 99 84