RIVER FALLS, :

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(477226)

File last updated on Oct 29, 2012
*** Note *** Provisional Data *** After Year/Month 201207
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
1918 ----- z ----- z ----- z 72.00 a 84.00 87.00 93.00 90.00 80.00 81.00 65.00 49.00 93.00
1919 45.00 42.00 a ----- z ----- z ----- z ----- z 94.00 u 86.00 r 91.00 78.00 56.00 40.00 94.00
1920 38.00 a 34.00 65.00 72.00 82.00 92.00 89.00 89.00 i 92.00 j 82.00 52.00 45.00 92.00
1921 45.00 61.00 66.00 81.00 91.00 95.00 a 100.00 93.00 i 86.00 73.00 62.00 45.00 100.00
1922 40.00 a 39.00 49.00 67.00 86.00 89.00 91.00 94.00 100.00 87.00 a 59.00 60.00 100.00
1923 40.00 42.00 56.00 82.00 84.00 95.00 98.00 90.00 88.00 79.00 61.00 52.00 98.00
1924 38.00 41.00 52.00 75.00 76.00 85.00 90.00 91.00 86.00 a 77.00 63.00 45.00 91.00
1925 37.00 a 49.00 73.00 83.00 95.00 90.00 96.00 95.00 100.00 64.00 61.00 39.00 100.00
1926 37.00 39.00 59.00 77.00 86.00 90.00 97.00 94.00 a 83.00 70.00 59.00 38.00 97.00
1927 41.00 a 45.00 66.00 76.00 81.00 93.00 92.00 89.00 91.00 81.00 57.00 38.00 93.00
1928 46.00 47.00 74.00 76.00 87.00 81.00 91.00 96.00 78.00 86.00 57.00 45.00 96.00
1929 32.00 38.00 58.00 75.00 86.00 92.00 98.00 96.00 99.00 79.00 61.00 47.00 99.00
1930 40.00 a 58.00 72.00 78.00 85.00 89.00 97.00 98.00 93.00 83.00 68.00 45.00 98.00
1931 47.00 60.00 50.00 81.00 89.00 103.00 105.00 97.00 103.00 79.00 67.00 a 46.00 105.00
1932 41.00 53.00 59.00 77.00 92.00 92.00 102.00 98.00 83.00 82.00 63.00 52.00 102.00
1933 45.00 a 45.00 57.00 73.00 85.00 99.00 100.00 92.00 92.00 76.00 78.00 50.00 100.00
1934 44.00 50.00 67.00 86.00 95.00 106.00 104.00 99.00 81.00 79.00 66.00 37.00 106.00
1935 40.00 43.00 60.00 74.00 76.00 a 85.00 99.00 96.00 89.00 74.00 63.00 39.00 99.00
1936 35.00 38.00 55.00 73.00 92.00 94.00 109.00 102.00 91.00 74.00 62.00 49.00 109.00
1937 37.00 43.00 52.00 67.00 88.00 95.00 98.00 94.00 95.00 75.00 63.00 40.00 98.00
1938 43.00 44.00 74.00 79.00 84.00 90.00 89.00 95.00 85.00 86.00 71.00 44.00 95.00
1939 44.00 a 40.00 74.00 81.00 93.00 91.00 95.00 91.00 93.00 74.00 62.00 56.00 95.00
1940 32.00 d 35.00 49.00 75.00 84.00 92.00 97.00 89.00 92.00 74.00 60.00 44.00 97.00
1941 35.00 40.00 53.00 80.00 89.00 92.00 96.00 95.00 86.00 70.00 67.00 57.00 96.00
1942 50.00 a 41.00 59.00 80.00 81.00 86.00 a 94.00 94.00 86.00 75.00 64.00 35.00 94.00
1943 36.00 43.00 b 75.00 77.00 86.00 95.00 91.00 92.00 84.00 80.00 48.00 45.00 95.00
1944 57.00 46.00 49.00 68.00 86.00 90.00 87.00 95.00 86.00 73.00 72.00 37.00 95.00
1945 38.00 42.00 71.00 75.00 82.00 87.00 93.00 89.00 91.00 80.00 61.00 44.00 93.00
1946 42.00 45.00 79.00 82.00 83.00 92.00 91.00 92.00 82.00 77.00 59.00 54.00 92.00
1947 47.00 42.00 a 58.00 74.00 79.00 86.00 100.00 103.00 91.00 86.00 56.00 35.00 b 103.00
1948 ----- z ----- z ----- z ----- z ----- z 91.00 98.00 95.00 92.00 72.00 68.00 52.00 98.00
1949 46.00 42.00 52.00 79.00 89.00 94.00 97.00 93.00 79.00 76.00 69.00 52.00 97.00
1950 40.00 40.00 42.00 68.00 84.00 91.00 85.00 92.00 79.00 83.00 a 63.00 40.00 a 92.00
1951 38.00 45.00 50.00 81.00 87.00 88.00 88.00 84.00 82.00 81.00 56.00 58.00 88.00
1952 45.00 39.00 48.00 89.00 90.00 89.00 89.00 89.00 90.00 74.00 61.00 41.00 90.00
1953 39.00 40.00 56.00 70.00 87.00 94.00 92.00 93.00 92.00 86.00 70.00 46.00 94.00
1954 36.00 54.00 56.00 80.00 b 83.00 90.00 93.00 86.00 86.00 73.00 63.00 41.00 93.00
1955 35.00 36.00 67.00 79.00 88.00 94.00 102.00 97.00 95.00 79.00 52.00 40.00 a 102.00
1956 37.00 38.00 49.00 65.00 85.00 99.00 88.00 90.00 84.00 85.00 64.00 44.00 99.00
1957 38.00 42.00 57.00 86.00 85.00 89.00 94.00 92.00 87.00 76.00 57.00 48.00 94.00
1958 42.00 55.00 58.00 84.00 89.00 93.00 95.00 93.00 83.00 81.00 63.00 43.00 95.00
1959 41.00 43.00 65.00 74.00 92.00 93.00 92.00 92.00 91.00 69.00 54.00 53.00 93.00
1960 42.00 43.00 63.00 85.00 84.00 85.00 96.00 91.00 94.00 80.00 59.00 53.00 96.00
1961 47.00 51.00 60.00 68.00 85.00 96.00 91.00 92.00 90.00 84.00 63.00 55.00 96.00
1962 42.00 40.00 53.00 86.00 89.00 90.00 90.00 91.00 80.00 83.00 57.00 61.00 91.00
1963 40.00 41.00 75.00 76.00 87.00 99.00 94.00 93.00 85.00 86.00 62.00 43.00 99.00
1964 43.00 53.00 52.00 87.00 93.00 95.00 98.00 100.00 88.00 79.00 68.00 38.00 100.00
1965 41.00 44.00 38.00 77.00 85.00 88.00 95.00 94.00 85.00 80.00 67.00 50.00 95.00
1966 36.00 51.00 67.00 66.00 92.00 93.00 95.00 90.00 87.00 82.00 54.00 43.00 95.00
1967 42.00 40.00 79.00 67.00 86.00 87.00 90.00 88.00 80.00 83.00 57.00 49.00 90.00
1968 44.00 44.00 77.00 92.00 89.00 95.00 89.00 94.00 82.00 85.00 63.00 56.00 95.00
1969 35.00 39.00 47.00 73.00 94.00 86.00 94.00 92.00 ----- z 82.00 65.00 43.00 94.00
1970 36.00 42.00 43.00 89.00 90.00 e 95.00 94.00 92.00 a 85.00 81.00 a 52.00 53.00 95.00
1971 35.00 44.00 61.00 78.00 80.00 94.00 88.00 93.00 90.00 81.00 58.00 38.00 94.00
1972 38.00 38.00 49.00 75.00 88.00 89.00 90.00 94.00 82.00 74.00 55.00 40.00 94.00
1973 45.00 43.00 63.00 74.00 82.00 94.00 94.00 92.00 84.00 76.00 61.00 44.00 94.00
1974 41.00 43.00 55.00 80.00 81.00 86.00 101.00 90.00 82.00 80.00 63.00 44.00 101.00
1975 38.00 37.00 45.00 61.00 87.00 88.00 94.00 90.00 81.00 82.00 71.00 46.00 94.00
1976 42.00 53.00 65.00 78.00 82.00 92.00 97.00 94.00 95.00 82.00 58.00 40.00 97.00
1977 33.00 47.00 66.00 86.00 88.00 92.00 97.00 89.00 81.00 71.00 60.00 42.00 97.00
1978 33.00 a 37.00 70.00 71.00 89.00 89.00 90.00 93.00 93.00 74.00 72.00 39.00 93.00
1979 25.00 38.00 46.00 75.00 87.00 89.00 86.00 87.00 86.00 71.00 62.00 52.00 89.00
1980 42.00 38.00 52.00 92.00 89.00 a 90.00 96.00 89.00 90.00 80.00 61.00 45.00 96.00
1981 51.00 57.00 72.00 78.00 81.00 88.00 92.00 86.00 84.00 65.00 65.00 38.00 92.00
1982 35.00 45.00 57.00 74.00 83.00 86.00 96.00 94.00 84.00 73.00 59.00 59.00 96.00
1983 38.00 45.00 58.00 71.00 76.00 92.00 93.00 95.00 91.00 80.00 61.00 31.00 95.00
1984 42.00 47.00 48.00 78.00 82.00 89.00 91.00 92.00 88.00 72.00 57.00 50.00 92.00
1985 38.00 51.00 63.00 87.00 87.00 99.00 93.00 87.00 89.00 69.00 52.00 39.00 99.00
1986 42.00 38.00 81.00 79.00 89.00 93.00 92.00 89.00 85.00 73.00 60.00 36.00 93.00
1987 46.00 53.00 70.00 86.00 91.00 98.00 92.00 91.00 87.00 78.00 63.00 44.00 98.00
1988 41.00 47.00 55.00 75.00 90.00 99.00 102.00 101.00 86.00 73.00 53.00 43.00 102.00
1989 45.00 42.00 70.00 71.00 84.00 88.00 92.00 92.00 82.00 82.00 53.00 43.00 92.00
1990 46.00 52.00 67.00 84.00 90.00 90.00 101.00 88.00 87.00 80.00 71.00 49.00 101.00
1991 40.00 49.00 74.00 86.00 88.00 96.00 93.00 94.00 84.00 79.00 45.00 40.00 96.00
1992 45.00 45.00 57.00 78.00 88.00 89.00 87.00 91.00 79.00 82.00 51.00 40.00 91.00
1993 45.00 45.00 62.00 72.00 79.00 87.00 85.00 88.00 83.00 80.00 51.00 45.00 88.00
1994 37.00 48.00 66.00 81.00 89.00 93.00 88.00 89.00 85.00 71.00 62.00 46.00 93.00
1995 36.00 45.00 66.00 64.00 80.00 96.00 100.00 91.00 87.00 85.00 a 44.00 42.00 100.00
1996 42.00 49.00 a 54.00 71.00 84.00 95.00 91.00 93.00 87.00 79.00 55.00 36.00 95.00
1997 38.00 46.00 67.00 72.00 77.00 92.00 93.00 91.00 87.00 90.00 60.00 45.00 93.00
1998 45.00 50.00 69.00 76.00 91.00 86.00 92.00 88.00 92.00 71.00 62.00 66.00 92.00
1999 39.00 47.00 71.00 71.00 85.00 92.00 98.00 90.00 91.00 76.00 77.00 51.00 98.00
2000 39.00 55.00 73.00 76.00 89.00 91.00 94.00 88.00 89.00 84.00 71.00 34.00 94.00
2001 39.00 33.00 48.00 83.00 94.00 93.00 94.00 96.00 86.00 85.00 69.00 61.00 96.00
2002 48.00 49.00 54.00 90.00 89.00 90.00 95.00 93.00 91.00 a 83.00 64.00 46.00 95.00
2003 53.00 47.00 67.00 h 88.00 81.00 87.00 89.00 96.00 93.00 85.00 58.00 46.00 96.00
2004 36.00 49.00 65.00 87.00 f 85.00 92.00 91.00 86.00 87.00 78.00 66.00 48.00 92.00
2005 42.00 51.00 69.00 g 81.00 79.00 94.00 94.00 91.00 88.00 83.00 65.00 43.00 94.00
2006 48.00 47.00 55.00 f 79.00 94.00 89.00 99.00 98.00 82.00 79.00 72.00 47.00 99.00
2007 43.00 50.00 80.00 83.00 90.00 91.00 95.00 92.00 91.00 86.00 58.00 36.00 95.00
2008 44.00 37.00 52.00 77.00 80.00 87.00 90.00 87.00 85.00 77.00 73.00 42.00 90.00
2009 27.00 47.00 65.00 81.00 91.00 93.00 85.00 86.00 81.00 62.00 63.00 47.00 93.00
2010 35.00 37.00 72.00 80.00 93.00 89.00 91.00 90.00 85.00 84.00 66.00 42.00 93.00
2011 31.00 a 51.00 52.00 76.00 86.00 99.00 95.00 89.00 88.00 85.00 61.00 48.00 99.00
2012 53.00 a 46.00 81.00 a 74.00 91.00 91.00 98.00 ----- z ----- z ----- z ----- z ----- z 98.00
Period of Record Statistics
MEAN 40.62 44.78 60.97 77.49 86.33 91.53 93.99 92.22 87.27 78.45 61.47 45.39 95.78
S.D. 5.37 5.94 10.19 6.54 4.53 4.20 4.65 3.71 5.08 5.54 6.46 6.83 3.98
SKEW 0.11 0.48 0.07 0.01 -0.26 0.59 0.45 0.48 0.58 -0.55 -0.07 0.61 0.67
MAX 57.00 61.00 81.00 92.00 95.00 106.00 109.00 103.00 103.00 90.00 78.00 66.00 109.00
MIN 25.00 33.00 38.00 61.00 76.00 81.00 85.00 84.00 78.00 62.00 44.00 31.00 88.00
NO YRS 93 93 89 92 93 94 94 91 92 94 94 94 83