CROOKSTON NW EXP STN,

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(211891)

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.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
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 43.00 43.00 47.00 81.00 88.00 96.00 100.00 94.00 85.00 79.00 60.00 48.00 100.00
1891 39.00 36.00 58.00 87.00 94.00 97.00 88.00 98.00 93.00 75.00 63.00 42.00 a 98.00
1892 41.00 38.00 57.00 68.00 77.00 92.00 95.00 95.00 90.00 87.00 50.00 35.00 95.00
1893 32.00 ----- z 52.00 55.00 b 86.00 102.00 a 101.00 96.00 87.00 64.00 60.00 e 37.00 102.00
1894 39.00 36.00 48.00 78.00 80.00 a 95.00 98.00 91.00 97.00 64.00 p 44.00 a 44.00 a 98.00
1895 32.00 49.00 56.00 80.00 89.00 85.00 89.00 94.00 82.00 78.00 50.00 39.00 94.00
1896 39.00 51.00 47.00 75.00 88.00 90.00 94.00 91.00 a 84.00 74.00 36.00 39.00 94.00
1897 37.00 32.00 49.00 75.00 86.00 96.00 89.00 83.00 93.00 a 84.00 54.00 49.00 a 96.00
1898 36.00 48.00 50.00 70.00 83.00 88.00 90.00 86.00 84.00 73.00 56.00 40.00 90.00
1899 43.00 42.00 43.00 77.00 79.00 85.00 93.00 86.00 86.00 69.00 59.00 41.00 93.00
1900 47.00 37.00 51.00 g 83.00 94.00 99.00 95.00 92.00 91.00 73.00 a 54.00 36.00 99.00
1901 37.00 38.00 47.00 80.00 90.00 91.00 99.00 93.00 89.00 75.00 50.00 41.00 99.00
1902 57.00 50.00 55.00 68.00 84.00 88.00 92.00 84.00 74.00 68.00 55.00 35.00 92.00
1903 34.00 35.00 45.00 j 73.00 85.00 89.00 92.00 92.00 78.00 67.00 66.00 31.00 92.00
1904 35.00 37.00 41.00 73.00 83.00 88.00 92.00 86.00 81.00 71.00 63.00 38.00 a 92.00
1905 33.00 53.00 a 60.00 75.00 83.00 82.00 89.00 89.00 85.00 80.00 52.00 35.00 89.00
1906 35.00 38.00 54.00 80.00 89.00 84.00 92.00 92.00 91.00 79.00 56.00 30.00 a 92.00
1907 33.00 37.00 a 45.00 a 60.00 75.00 90.00 85.00 88.00 75.00 72.00 51.00 45.00 90.00
1908 45.00 40.00 44.00 88.00 81.00 89.00 95.00 93.00 90.00 75.00 55.00 38.00 95.00
1909 36.00 a 30.00 43.00 66.00 76.00 94.00 89.00 92.00 85.00 85.00 66.00 35.00 a 94.00
1910 34.00 37.00 73.00 81.00 a 79.00 99.00 94.00 91.00 80.00 80.00 41.00 32.00 99.00
1911 29.00 34.00 59.00 82.00 89.00 94.00 99.00 89.00 80.00 69.00 46.00 35.00 99.00
1912 24.00 37.00 47.00 75.00 88.00 100.00 93.00 88.00 92.00 75.00 a 55.00 42.00 a 100.00
1913 32.00 36.00 51.00 a 84.00 91.00 97.00 90.00 95.00 89.00 75.00 59.00 46.00 97.00
1914 44.00 43.00 a 53.00 69.00 a 87.00 87.00 94.00 94.00 88.00 84.00 56.00 40.00 b 94.00
1915 37.00 39.00 45.00 79.00 81.00 83.00 85.00 89.00 88.00 69.00 54.00 37.00 89.00
1916 26.00 37.00 43.00 65.00 83.00 a 79.00 95.00 93.00 88.00 68.00 a 61.00 49.00 95.00
1917 39.00 a 35.00 51.00 57.00 87.00 92.00 95.00 a 95.00 83.00 70.00 64.00 38.00 95.00
1918 30.00 d 44.00 a 70.00 71.00 95.00 92.00 98.00 95.00 75.00 75.00 60.00 42.00 l 98.00
1919 41.00 32.00 a 41.00 70.00 93.00 a 94.00 92.00 91.00 91.00 75.00 40.00 39.00 94.00
1920 32.00 32.00 60.00 57.00 80.00 90.00 90.00 96.00 86.00 86.00 53.00 35.00 96.00
1921 38.00 45.00 54.00 ----- z 87.00 99.00 101.00 95.00 a 96.00 70.00 56.00 a 40.00 101.00
1922 35.00 25.00 45.00 77.00 88.00 91.00 88.00 94.00 87.00 84.00 52.00 37.00 94.00
1923 41.00 34.00 a 44.00 80.00 87.00 93.00 92.00 88.00 89.00 a 80.00 60.00 44.00 a 93.00
1924 37.00 42.00 b 48.00 a 72.00 79.00 87.00 87.00 93.00 81.00 a 71.00 a 56.00 36.00 b 93.00
1925 38.00 47.00 a 62.00 a 82.00 94.00 85.00 93.00 95.00 89.00 a 55.00 62.00 45.00 95.00
1926 38.00 c 43.00 b 65.00 86.00 97.00 88.00 94.00 95.00 92.00 71.00 54.00 a 36.00 97.00
1927 41.00 38.00 57.00 72.00 a 74.00 88.00 90.00 88.00 a 91.00 a 76.00 a 54.00 30.00 b 91.00
1928 42.00 a 42.00 62.00 76.00 94.00 85.00 88.00 92.00 82.00 81.00 57.00 a 47.00 94.00
1929 20.00 30.00 61.00 70.00 a 87.00 93.00 100.00 96.00 91.00 72.00 50.00 40.00 100.00
1930 35.00 48.00 50.00 75.00 92.00 87.00 a 98.00 99.00 86.00 80.00 59.00 37.00 a 99.00
1931 40.00 46.00 47.00 79.00 95.00 a 96.00 101.00 98.00 99.00 82.00 69.00 a 37.00 101.00
1932 35.00 49.00 49.00 74.00 92.00 a 90.00 101.00 96.00 86.00 71.00 49.00 43.00 101.00
1933 38.00 42.00 55.00 76.00 87.00 101.00 99.00 94.00 a 85.00 79.00 58.00 38.00 101.00
1934 38.00 39.00 60.00 88.00 100.00 86.00 98.00 96.00 85.00 83.00 60.00 a 39.00 100.00
1935 35.00 42.00 52.00 67.00 80.00 84.00 94.00 a 98.00 a 82.00 72.00 a 37.00 34.00 98.00
1936 23.00 a 24.00 38.00 62.00 89.00 96.00 105.00 97.00 93.00 80.00 51.00 a 39.00 105.00
1937 18.00 35.00 a 41.00 a 63.00 88.00 92.00 a 96.00 95.00 92.00 85.00 63.00 a 38.00 96.00
1938 33.00 40.00 65.00 79.00 75.00 90.00 94.00 92.00 91.00 84.00 64.00 36.00 94.00
1939 30.00 39.00 58.00 82.00 101.00 a 94.00 100.00 95.00 92.00 68.00 b 62.00 56.00 101.00
1940 35.00 34.00 37.00 68.00 87.00 92.00 98.00 90.00 89.00 a 78.00 49.00 38.00 98.00
1941 36.00 33.00 45.00 80.00 87.00 93.00 101.00 98.00 a 87.00 70.00 60.00 54.00 101.00
1942 47.00 33.00 55.00 b 83.00 81.00 85.00 91.00 93.00 82.00 81.00 57.00 30.00 93.00
1943 36.00 38.00 58.00 75.00 81.00 89.00 94.00 90.00 81.00 81.00 48.00 45.00 94.00
1944 47.00 36.00 48.00 67.00 b 87.00 88.00 92.00 94.00 78.00 74.00 61.00 38.00 94.00
1945 34.00 36.00 68.00 65.00 76.00 90.00 96.00 98.00 96.00 78.00 52.00 43.00 a 98.00
1946 29.00 36.00 78.00 81.00 85.00 a 88.00 95.00 100.00 83.00 76.00 57.00 39.00 100.00
1947 37.00 35.00 52.00 80.00 81.00 83.00 93.00 99.00 95.00 85.00 51.00 33.00 99.00
1948 35.00 32.00 44.00 74.00 94.00 94.00 94.00 94.00 92.00 71.00 56.00 a 39.00 a 94.00
1949 37.00 34.00 43.00 83.00 83.00 89.00 92.00 98.00 82.00 75.00 a 62.00 40.00 98.00
1950 25.00 35.00 41.00 62.00 a 86.00 93.00 91.00 90.00 88.00 72.00 58.00 38.00 93.00
1951 38.00 38.00 47.00 70.00 86.00 85.00 96.00 95.00 82.00 79.00 48.00 40.00 96.00
1952 42.00 38.00 a 53.00 92.00 91.00 92.00 92.00 99.00 94.00 72.00 58.00 40.00 99.00
1953 35.00 38.00 54.00 67.00 87.00 90.00 89.00 95.00 93.00 85.00 67.00 39.00 95.00
1954 37.00 42.00 44.00 75.00 83.00 89.00 95.00 c 90.00 86.00 70.00 61.00 36.00 95.00
1955 27.00 35.00 48.00 81.00 92.00 88.00 96.00 96.00 89.00 82.00 51.00 36.00 96.00
1956 33.00 33.00 42.00 66.00 83.00 a 95.00 85.00 92.00 86.00 82.00 59.00 47.00 95.00
1957 34.00 38.00 57.00 85.00 84.00 83.00 95.00 95.00 80.00 79.00 47.00 44.00 95.00
1958 45.00 63.00 59.00 78.00 88.00 89.00 93.00 100.00 86.00 77.00 62.00 38.00 100.00
1959 32.00 34.00 55.00 76.00 91.00 99.00 93.00 94.00 92.00 71.00 45.00 40.00 99.00
1960 35.00 40.00 46.00 70.00 85.00 86.00 93.00 93.00 94.00 81.00 50.00 35.00 94.00
1961 41.00 39.00 63.00 67.00 89.00 93.00 93.00 99.00 88.00 84.00 57.00 38.00 99.00
1962 37.00 39.00 42.00 79.00 80.00 87.00 84.00 92.00 85.00 80.00 51.00 54.00 92.00
1963 38.00 45.00 78.00 77.00 86.00 90.00 95.00 97.00 87.00 86.00 64.00 37.00 97.00
1964 42.00 40.00 51.00 72.00 99.00 93.00 95.00 96.00 89.00 78.00 63.00 30.00 99.00
1965 28.00 41.00 37.00 79.00 85.00 86.00 90.00 101.00 73.00 71.00 64.00 43.00 101.00
1966 20.00 35.00 52.00 65.00 a 88.00 95.00 91.00 91.00 89.00 80.00 45.00 39.00 95.00
1967 35.00 39.00 74.00 62.00 91.00 89.00 93.00 94.00 86.00 81.00 59.00 50.00 94.00
1968 41.00 32.00 63.00 80.00 84.00 93.00 92.00 94.00 88.00 79.00 53.00 40.00 94.00
1969 30.00 37.00 37.00 75.00 94.00 84.00 96.00 96.00 89.00 69.00 61.00 50.00 96.00
1970 33.00 42.00 39.00 65.00 86.00 98.00 98.00 96.00 93.00 83.00 51.00 38.00 98.00
1971 30.00 41.00 50.00 72.00 85.00 85.00 88.00 97.00 93.00 70.00 51.00 33.00 97.00
1972 41.00 35.00 50.00 70.00 91.00 90.00 89.00 94.00 82.00 74.00 46.00 34.00 94.00
1973 39.00 40.00 57.00 77.00 81.00 92.00 93.00 93.00 77.00 73.00 55.00 36.00 93.00
1974 30.00 38.00 41.00 78.00 79.00 88.00 95.00 90.00 87.00 75.00 57.00 42.00 95.00
1975 38.00 34.00 48.00 61.00 81.00 87.00 98.00 90.00 84.00 86.00 71.00 46.00 a 98.00
1976 36.00 46.00 52.00 74.00 86.00 93.00 96.00 100.00 96.00 86.00 56.00 41.00 a 100.00
1977 29.00 42.00 58.00 82.00 91.00 b 87.00 94.00 84.00 77.00 70.00 58.00 ----- z 94.00
1978 ----- z 31.00 50.00 72.00 86.00 88.00 91.00 95.00 96.00 77.00 67.00 32.00 96.00
1979 26.00 27.00 38.00 63.00 83.00 89.00 92.00 89.00 92.00 76.00 45.00 44.00 92.00
1980 38.00 31.00 51.00 96.00 95.00 89.00 100.00 93.00 92.00 84.00 58.00 39.00 100.00
1981 48.00 49.00 63.00 76.00 83.00 79.00 92.00 92.00 87.00 67.00 63.00 35.00 92.00
1982 33.00 41.00 44.00 82.00 82.00 84.00 90.00 91.00 89.00 66.00 50.00 54.00 91.00
1983 34.00 46.00 48.00 72.00 77.00 91.00 98.00 104.00 98.00 74.00 59.00 23.00 104.00
1984 40.00 39.00 50.00 69.00 82.00 86.00 90.00 100.00 88.00 75.00 54.00 42.00 100.00
1985 35.00 41.00 58.00 87.00 91.00 84.00 95.00 88.00 79.00 a 66.00 57.00 34.00 95.00
1986 45.00 34.00 a 70.00 73.00 95.00 94.00 88.00 89.00 75.00 71.00 53.00 37.00 95.00
1987 40.00 42.00 58.00 a 89.00 a 92.00 c 95.00 97.00 91.00 84.00 76.00 57.00 38.00 97.00
1988 36.00 45.00 50.00 a 77.00 91.00 b 95.00 104.00 97.00 84.00 79.00 50.00 41.00 104.00
1989 35.00 38.00 48.00 75.00 85.00 89.00 98.00 100.00 89.00 88.00 56.00 39.00 100.00
1990 49.00 44.00 60.00 89.00 84.00 93.00 92.00 94.00 92.00 78.00 71.00 56.00 94.00
1991 36.00 48.00 57.00 81.00 90.00 92.00 94.00 97.00 91.00 69.00 45.00 40.00 97.00
1992 43.00 43.00 50.00 74.00 90.00 88.00 85.00 91.00 81.00 88.00 44.00 37.00 91.00
1993 41.00 40.00 52.00 67.00 89.00 89.00 85.00 94.00 78.00 81.00 47.00 36.00 94.00
1994 24.00 42.00 51.00 84.00 88.00 88.00 85.00 88.00 90.00 69.00 55.00 45.00 90.00
1995 36.00 42.00 57.00 60.00 86.00 99.00 92.00 89.00 90.00 74.00 45.00 40.00 99.00
1996 43.00 43.00 42.00 63.00 80.00 94.00 88.00 94.00 91.00 75.00 55.00 32.00 94.00
1997 40.00 38.00 48.00 68.00 83.00 90.00 91.00 93.00 84.00 83.00 46.00 41.00 93.00
1998 28.00 46.00 56.00 77.00 83.00 85.00 91.00 90.00 93.00 70.00 53.00 43.00 93.00
1999 36.00 42.00 60.00 75.00 90.00 89.00 92.00 88.00 86.00 68.00 73.00 49.00 92.00
2000 35.00 53.00 67.00 74.00 89.00 95.00 89.00 94.00 89.00 80.00 68.00 35.00 95.00
2001 40.00 30.00 45.00 82.00 85.00 92.00 91.00 96.00 95.00 77.00 66.00 43.00 96.00
2002 46.00 50.00 54.00 85.00 88.00 95.00 92.00 90.00 94.00 67.00 59.00 45.00 95.00
2003 45.00 34.00 65.00 86.00 84.00 86.00 88.00 98.00 92.00 85.00 47.00 41.00 98.00
2004 30.00 40.00 57.00 83.00 81.00 87.00 88.00 84.00 90.00 80.00 57.00 42.00 90.00
2005 34.00 40.00 63.00 86.00 82.00 94.00 92.00 93.00 87.00 85.00 62.00 37.00 94.00
2006 42.00 33.00 46.00 77.00 95.00 86.00 99.00 90.00 86.00 81.00 61.00 41.00 99.00
2007 36.00 40.00 64.00 80.00 86.00 91.00 95.00 92.00 93.00 82.00 59.00 31.00 95.00
2008 42.00 33.00 43.00 68.00 80.00 84.00 89.00 91.00 ----- z 73.00 67.00 38.00 91.00
2009 30.00 44.00 ----- z ----- z 78.00 88.00 ----- z ----- z ----- z 64.00 57.00 47.00 88.00
2010 36.00 30.00 67.00 75.00 90.00 77.00 n 93.00 93.00 i 77.00 83.00 67.00 30.00 93.00
2011 34.00 48.00 46.00 71.00 79.00 86.00 ----- z 89.00 90.00 89.00 58.00 50.00 90.00
2012 45.00 39.00 75.00 75.00 92.00 93.00 98.00 95.00 89.00 84.00 53.00 49.00 98.00
2013 42.00 31.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 42.00
Period of Record Statistics
MEAN 36.28 39.10 52.67 74.93 86.32 90.24 93.30 93.25 87.26 76.44 55.83 39.77 96.00
S.D. 6.31 6.11 9.15 7.97 5.55 4.64 4.31 3.97 5.57 6.40 7.18 5.85 3.37
SKEW -0.18 0.54 0.60 -0.15 0.14 0.20 0.17 -0.17 -0.44 -0.24 -0.20 0.50 0.22
MAX 57.00 63.00 78.00 96.00 101.00 102.00 105.00 104.00 99.00 89.00 73.00 56.00 105.00
MIN 18.00 24.00 37.00 55.00 74.00 79.00 84.00 83.00 73.00 55.00 36.00 23.00 89.00
NO YRS 123 123 120 121 123 122 121 121 121 122 123 121 108