LAKE PARK, IOWA

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(134561)

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.
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
1912 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 94.00 94.00 87.00 71.00 54.00 c 94.00
1913 58.00 b 62.00 61.00 a 85.00 92.00 98.00 96.00 a 98.00 96.00 84.00 66.00 59.00 98.00
1914 54.00 44.00 a 62.00 85.00 94.00 91.00 102.00 97.00 88.00 81.00 a 75.00 52.00 102.00
1915 42.00 a 42.00 54.00 85.00 88.00 86.00 90.00 91.00 88.00 80.00 71.00 a 50.00 91.00
1916 44.00 a 46.00 a 66.00 77.00 90.00 92.00 100.00 97.00 b 98.00 a 86.00 70.00 58.00 100.00
1917 43.00 41.00 a 69.00 a 78.00 90.00 a 93.00 a 98.00 b 98.00 85.00 76.00 70.00 52.00 98.00
1918 46.00 55.00 72.00 71.00 92.00 96.00 97.00 a 98.00 85.00 89.00 65.00 ----- z 98.00
1919 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1920 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1921 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1922 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1923 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1924 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1925 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1926 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1927 ----- z ----- z ----- z ----- z ----- z 96.00 92.00 91.00 c 92.00 d 87.00 54.00 41.00 a 96.00
1928 46.00 54.00 82.00 73.00 91.00 83.00 92.00 94.00 h 88.00 d 81.00 h 58.00 48.00 94.00
1929 42.00 33.00 61.00 85.00 81.00 88.00 94.00 95.00 91.00 81.00 53.00 49.00 95.00
1930 45.00 62.00 73.00 84.00 85.00 93.00 106.00 ----- z 92.00 88.00 68.00 50.00 106.00
1931 56.00 60.00 55.00 90.00 94.00 98.00 b 99.00 c 97.00 b 99.00 a 87.00 m 77.00 50.00 99.00
1932 36.00 53.00 a 61.00 76.00 95.00 91.00 97.00 93.00 84.00 84.00 63.00 a 55.00 b 97.00
1933 48.00 50.00 60.00 77.00 91.00 100.00 95.00 91.00 92.00 80.00 71.00 50.00 100.00
1934 50.00 b 53.00 71.00 89.00 107.00 a 99.00 98.00 97.00 86.00 83.00 73.00 38.00 107.00
1935 40.00 45.00 70.00 71.00 75.00 89.00 99.00 94.00 91.00 78.00 58.00 41.00 99.00
1936 33.00 35.00 a 65.00 80.00 88.00 96.00 107.00 105.00 92.00 a 77.00 59.00 52.00 107.00
1937 35.00 40.00 59.00 74.00 86.00 98.00 98.00 96.00 92.00 83.00 69.00 44.00 98.00
1938 43.00 40.00 70.00 78.00 82.00 a 94.00 95.00 94.00 90.00 88.00 74.00 51.00 95.00
1939 49.00 42.00 79.00 85.00 96.00 91.00 96.00 89.00 99.00 83.00 71.00 68.00 99.00
1940 37.00 42.00 64.00 78.00 88.00 93.00 103.00 92.00 94.00 82.00 62.00 44.00 103.00
1941 42.00 40.00 61.00 77.00 93.00 89.00 101.00 96.00 88.00 75.00 68.00 55.00 101.00
1942 51.00 39.00 63.00 82.00 86.00 89.00 96.00 93.00 86.00 81.00 63.00 42.00 96.00
1943 37.00 52.00 79.00 78.00 91.00 92.00 92.00 90.00 86.00 78.00 53.00 49.00 92.00
1944 63.00 50.00 50.00 69.00 87.00 96.00 90.00 92.00 86.00 78.00 71.00 37.00 96.00
1945 40.00 47.00 69.00 74.00 81.00 87.00 96.00 95.00 91.00 82.00 68.00 47.00 96.00
1946 39.00 50.00 76.00 82.00 79.00 91.00 93.00 95.00 85.00 76.00 59.00 58.00 95.00
1947 50.00 45.00 61.00 77.00 77.00 90.00 102.00 100.00 97.00 87.00 53.00 40.00 102.00
1948 ----- z ----- z ----- z 82.00 91.00 86.00 98.00 95.00 b 97.00 g 73.00 67.00 46.00 98.00
1949 43.00 41.00 56.00 86.00 89.00 95.00 97.00 a 93.00 e 83.00 c 78.00 d 71.00 51.00 a 97.00
1950 39.00 40.00 57.00 70.00 b 88.00 92.00 ----- z 91.00 n 86.00 87.00 71.00 45.00 92.00
1951 46.00 52.00 47.00 a 79.00 79.00 83.00 a 90.00 91.00 84.00 85.00 b 60.00 55.00 91.00
1952 42.00 46.00 57.00 85.00 90.00 94.00 93.00 89.00 90.00 79.00 70.00 49.00 94.00
1953 40.00 42.00 69.00 75.00 88.00 96.00 f ----- z 90.00 a 91.00 90.00 70.00 48.00 96.00
1954 42.00 65.00 53.00 87.00 ----- z ----- z 97.00 ----- z 86.00 69.00 67.00 g 40.00 97.00
1955 40.00 b 42.00 65.00 79.00 89.00 a ----- z 100.00 m 101.00 98.00 84.00 f 62.00 40.00 101.00
1956 42.00 39.00 57.00 71.00 88.00 101.00 94.00 94.00 92.00 86.00 61.00 51.00 101.00
1957 37.00 53.00 57.00 a 82.00 84.00 88.00 97.00 a 95.00 87.00 78.00 56.00 49.00 97.00
1958 55.00 64.00 58.00 81.00 88.00 93.00 94.00 98.00 93.00 89.00 68.00 53.00 b 98.00
1959 50.00 40.00 64.00 81.00 93.00 a 99.00 98.00 97.00 95.00 74.00 58.00 49.00 99.00
1960 40.00 42.00 49.00 90.00 83.00 88.00 95.00 95.00 93.00 84.00 64.00 52.00 95.00
1961 41.00 45.00 63.00 75.00 85.00 a 96.00 92.00 95.00 91.00 82.00 62.00 55.00 96.00
1962 43.00 48.00 49.00 87.00 86.00 88.00 92.00 93.00 88.00 85.00 63.00 60.00 93.00
1963 51.00 56.00 79.00 83.00 87.00 96.00 93.00 93.00 92.00 91.00 63.00 57.00 96.00
1964 53.00 56.00 57.00 87.00 91.00 92.00 95.00 93.00 90.00 76.00 67.00 42.00 95.00
1965 43.00 a 50.00 44.00 84.00 89.00 89.00 96.00 101.00 82.00 78.00 74.00 49.00 101.00
1966 42.00 50.00 76.00 75.00 86.00 91.00 98.00 89.00 87.00 79.00 60.00 46.00 98.00
1967 42.00 43.00 75.00 82.00 99.00 88.00 92.00 87.00 85.00 85.00 a 60.00 a 48.00 99.00
1968 42.00 ----- z 77.00 81.00 85.00 93.00 94.00 97.00 85.00 79.00 63.00 48.00 97.00
1969 34.00 38.00 56.00 77.00 87.00 a 88.00 94.00 89.00 85.00 82.00 65.00 47.00 94.00
1970 35.00 42.00 45.00 87.00 90.00 96.00 94.00 94.00 98.00 83.00 56.00 56.00 98.00
1971 39.00 47.00 67.00 81.00 a 84.00 95.00 89.00 93.00 94.00 83.00 69.00 b 36.00 a 95.00
1972 37.00 46.00 60.00 a ----- z 89.00 c 92.00 91.00 94.00 91.00 78.00 61.00 ----- z 94.00
1973 44.00 a 43.00 63.00 75.00 89.00 94.00 92.00 93.00 84.00 79.00 64.00 47.00 94.00
1974 48.00 52.00 70.00 81.00 85.00 99.00 98.00 90.00 86.00 81.00 66.00 47.00 99.00
1975 37.00 36.00 56.00 60.00 92.00 91.00 95.00 91.00 88.00 87.00 71.00 45.00 95.00
1976 45.00 58.00 a 70.00 80.00 85.00 92.00 98.00 98.00 98.00 85.00 63.00 51.00 98.00
1977 36.00 58.00 69.00 84.00 89.00 95.00 95.00 93.00 f 85.00 72.00 62.00 45.00 95.00
1978 29.00 37.00 76.00 74.00 91.00 95.00 92.00 95.00 93.00 82.00 73.00 37.00 95.00
1979 24.00 35.00 46.00 74.00 88.00 98.00 91.00 91.00 88.00 78.00 64.00 52.00 98.00
1980 53.00 38.00 57.00 89.00 89.00 97.00 97.00 94.00 90.00 83.00 a 67.00 55.00 g 97.00
1981 67.00 a 65.00 b 68.00 87.00 82.00 92.00 95.00 88.00 88.00 71.00 62.00 d 40.00 95.00
1982 39.00 56.00 54.00 78.00 83.00 88.00 98.00 94.00 85.00 78.00 55.00 57.00 98.00
1983 40.00 47.00 67.00 71.00 88.00 90.00 97.00 98.00 95.00 80.00 60.00 a 30.00 98.00
1984 48.00 46.00 49.00 80.00 83.00 88.00 92.00 96.00 93.00 75.00 62.00 53.00 96.00
1985 40.00 49.00 71.00 89.00 87.00 94.00 94.00 89.00 92.00 70.00 62.00 38.00 94.00
1986 42.00 43.00 76.00 79.00 82.00 92.00 94.00 88.00 80.00 75.00 56.00 40.00 94.00
1987 54.00 60.00 71.00 87.00 91.00 95.00 95.00 96.00 84.00 80.00 62.00 43.00 96.00
1988 38.00 43.00 76.00 84.00 88.00 101.00 95.00 100.00 89.00 74.00 63.00 41.00 101.00
1989 48.00 51.00 74.00 80.00 88.00 94.00 97.00 89.00 90.00 82.00 58.00 51.00 97.00
1990 52.00 53.00 64.00 85.00 86.00 93.00 100.00 91.00 91.00 82.00 75.00 52.00 100.00
1991 37.00 48.00 72.00 84.00 89.00 93.00 93.00 91.00 87.00 79.00 54.00 41.00 93.00
1992 41.00 48.00 64.00 81.00 89.00 87.00 83.00 88.00 82.00 87.00 51.00 40.00 89.00
1993 36.00 40.00 54.00 69.00 82.00 87.00 90.00 89.00 85.00 83.00 54.00 42.00 90.00
1994 37.00 43.00 67.00 86.00 88.00 92.00 89.00 92.00 90.00 73.00 62.00 39.00 92.00
1995 34.00 48.00 67.00 68.00 77.00 94.00 100.00 92.00 82.00 84.00 51.00 51.00 100.00
1996 51.00 59.00 66.00 76.00 91.00 93.00 87.00 88.00 85.00 81.00 61.00 32.00 93.00
1997 43.00 40.00 71.00 72.00 85.00 93.00 93.00 89.00 86.00 91.00 58.00 44.00 93.00
1998 47.00 55.00 72.00 78.00 93.00 91.00 90.00 90.00 92.00 76.00 66.00 64.00 93.00
1999 36.00 50.00 71.00 72.00 85.00 90.00 96.00 92.00 90.00 79.00 78.00 53.00 96.00
2000 48.00 64.00 76.00 79.00 85.00 95.00 93.00 93.00 88.00 82.00 67.00 38.00 95.00
2001 42.00 37.00 47.00 83.00 90.00 94.00 92.00 93.00 84.00 85.00 72.00 59.00 94.00
2002 62.00 54.00 60.00 89.00 89.00 95.00 97.00 85.00 91.00 82.00 63.00 51.00 97.00
2003 57.00 46.00 69.00 82.00 79.00 88.00 91.00 95.00 87.00 85.00 59.00 49.00 95.00
2004 45.00 42.00 74.00 84.00 86.00 91.00 87.00 85.00 87.00 76.00 68.00 54.00 91.00
2005 50.00 59.00 70.00 78.00 78.00 91.00 94.00 90.00 90.00 86.00 71.00 42.00 94.00
2006 50.00 51.00 59.00 88.00 98.00 96.00 105.00 105.00 91.00 95.00 79.00 56.00 105.00
2007 44.00 45.00 80.00 96.00 95.00 97.00 103.00 98.00 94.00 92.00 67.00 33.00 103.00
2008 45.00 34.00 52.00 80.00 87.00 93.00 97.00 102.00 92.00 79.00 80.00 45.00 102.00
2009 36.00 55.00 70.00 91.00 97.00 a 100.00 89.00 97.00 89.00 69.00 72.00 51.00 100.00
2010 39.00 34.00 79.00 a 85.00 98.00 97.00 100.00 99.00 92.00 95.00 73.00 47.00 100.00
2011 37.00 50.00 62.00 76.00 96.00 106.00 103.00 100.00 94.00 c 91.00 65.00 49.00 106.00
2012 55.00 49.00 87.00 90.00 97.00 103.00 104.00 102.00 98.00 87.00 69.00 61.00 104.00
2013 45.00 43.00 27.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 45.00
Period of Record Statistics
MEAN 43.82 47.48 64.62 80.34 88.08 92.99 95.37 93.86 89.52 81.53 64.77 47.96 97.16
S.D. 7.46 7.90 9.54 6.29 5.37 4.30 4.39 4.20 4.38 5.58 6.69 7.23 3.94
SKEW 0.55 0.37 -0.16 -0.33 0.26 0.25 0.24 0.34 0.25 0.03 0.00 -0.02 0.44
MAX 67.00 65.00 87.00 96.00 107.00 106.00 107.00 105.00 99.00 95.00 80.00 68.00 107.00
MIN 24.00 33.00 44.00 60.00 75.00 83.00 83.00 85.00 80.00 69.00 51.00 30.00 89.00
NO YRS 91 90 90 90 90 89 89 88 92 90 92 90 75