CHELAN, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(451350)

File last updated on Apr 4, 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
1890 ----- z ----- z ----- z ----- z ----- z ----- z 83.00 z ----- z ----- z ----- z ----- z ----- z 83.00
1891 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1892 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1893 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1894 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1895 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1896 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1897 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1898 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1899 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1900 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1901 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1902 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1903 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1904 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1905 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1906 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1907 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1908 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1909 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1910 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1911 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1912 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1913 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1914 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1915 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1916 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1917 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1918 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
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 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1928 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1929 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1930 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1931 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1932 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1933 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1934 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1935 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1936 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1937 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1938 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1939 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1940 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1941 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1942 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1943 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1944 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1945 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1946 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1947 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1950 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1951 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1952 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1953 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1954 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1955 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1956 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1957 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1958 ----- z ----- z ----- z ----- z 92.00 102.00 102.00 101.00 88.00 79.00 59.00 55.00 102.00
1959 54.00 45.00 61.00 72.00 82.00 87.00 102.00 a 93.00 85.00 73.00 64.00 46.00 102.00
1960 45.00 48.00 65.00 73.00 84.00 92.00 103.00 100.00 89.00 80.00 57.00 44.00 103.00
1961 53.00 61.00 62.00 73.00 87.00 98.00 100.00 99.00 89.00 73.00 54.00 48.00 100.00
1962 55.00 49.00 j 62.00 77.00 78.00 89.00 101.00 97.00 90.00 71.00 63.00 43.00 101.00
1963 51.00 56.00 62.00 71.00 86.00 93.00 92.00 96.00 91.00 80.00 54.00 44.00 96.00
1964 45.00 51.00 60.00 68.00 83.00 84.00 96.00 92.00 85.00 68.00 56.00 45.00 96.00
1965 48.00 57.00 65.00 76.00 88.00 91.00 98.00 101.00 83.00 76.00 62.00 46.00 101.00
1966 45.00 49.00 69.00 77.00 90.00 88.00 94.00 95.00 94.00 72.00 57.00 49.00 95.00
1967 53.00 58.00 59.00 68.00 86.00 93.00 95.00 101.00 94.00 68.00 72.00 54.00 101.00
1968 42.00 56.00 63.00 83.00 85.00 95.00 101.00 98.00 90.00 72.00 56.00 53.00 a 101.00
1969 41.00 49.00 69.00 67.00 85.00 94.00 95.00 94.00 91.00 68.00 60.00 45.00 95.00
1970 44.00 49.00 60.00 65.00 88.00 98.00 100.00 98.00 82.00 75.00 55.00 47.00 100.00
1971 57.00 52.00 61.00 75.00 86.00 88.00 103.00 100.00 85.00 74.00 56.00 43.00 103.00
1972 50.00 57.00 65.00 68.00 85.00 87.00 93.00 97.00 87.00 75.00 55.00 59.00 97.00
1973 42.00 58.00 63.00 74.00 88.00 95.00 102.00 100.00 92.00 70.00 52.00 47.00 102.00
1974 53.00 53.00 63.00 71.00 75.00 94.00 95.00 100.00 97.00 73.00 55.00 49.00 100.00
1975 51.00 47.00 58.00 72.00 83.00 91.00 100.00 96.00 86.00 75.00 70.00 59.00 100.00
1976 45.00 55.00 59.00 68.00 84.00 87.00 99.00 92.00 90.00 79.00 56.00 48.00 99.00
1977 42.00 63.00 63.00 88.00 77.00 97.00 98.00 105.00 88.00 70.00 57.00 53.00 105.00
1978 42.00 47.00 68.00 70.00 86.00 94.00 98.00 99.00 81.00 73.00 65.00 48.00 99.00
1979 38.00 50.00 66.00 81.00 86.00 96.00 103.00 98.00 86.00 80.00 55.00 58.00 103.00
1980 45.00 52.00 63.00 83.00 80.00 85.00 99.00 95.00 83.00 76.00 58.00 56.00 99.00
1981 52.00 59.00 65.00 73.00 82.00 87.00 99.00 102.00 a 92.00 65.00 59.00 50.00 102.00
1982 52.00 57.00 65.00 73.00 82.00 97.00 100.00 93.00 90.00 69.00 56.00 50.00 100.00
1983 56.00 50.00 59.00 73.00 93.00 89.00 89.00 97.00 a 84.00 72.00 61.00 38.00 97.00
1984 54.00 51.00 63.00 69.00 82.00 92.00 97.00 95.00 87.00 74.00 55.00 35.00 97.00
1985 36.00 50.00 ----- z 77.00 96.00 98.00 106.00 95.00 84.00 71.00 a 63.00 36.00 106.00
1986 50.00 59.00 68.00 75.00 a 92.00 95.00 96.00 98.00 88.00 73.00 59.00 40.00 98.00
1987 45.00 47.00 63.00 80.00 89.00 98.00 98.00 100.00 97.00 77.00 63.00 49.00 100.00
1988 44.00 61.00 64.00 80.00 86.00 92.00 100.00 96.00 89.00 78.00 58.00 51.00 100.00
1989 62.00 49.00 57.00 74.00 81.00 92.00 94.00 96.00 87.00 77.00 72.00 45.00 96.00
1990 51.00 59.00 68.00 76.00 85.00 89.00 97.00 99.00 89.00 74.00 66.00 48.00 99.00
1991 43.00 55.00 66.00 78.00 76.00 85.00 96.00 96.00 88.00 77.00 54.00 50.00 96.00
1992 51.00 51.00 64.00 73.00 91.00 97.00 96.00 96.00 82.00 75.00 56.00 48.00 97.00
1993 44.00 45.00 59.00 69.00 91.00 86.00 89.00 93.00 90.00 80.00 60.00 45.00 93.00
1994 48.00 49.00 72.00 75.00 87.00 91.00 102.00 96.00 86.00 75.00 48.00 49.00 102.00
1995 39.00 56.00 63.00 73.00 89.00 90.00 97.00 92.00 89.00 66.00 60.00 55.00 97.00
1996 48.00 55.00 64.00 76.00 81.00 87.00 99.00 101.00 87.00 76.00 53.00 42.00 p 101.00
1997 44.00 51.00 59.00 65.00 87.00 85.00 94.00 95.00 88.00 70.00 59.00 48.00 95.00
1998 42.00 52.00 61.00 77.00 87.00 84.00 100.00 105.00 94.00 79.00 59.00 57.00 105.00
1999 50.00 54.00 64.00 80.00 85.00 82.00 p 94.00 94.00 88.00 73.00 a 56.00 58.00 94.00
2000 46.00 51.00 60.00 76.00 79.00 91.00 99.00 99.00 84.00 73.00 54.00 41.00 99.00
2001 49.00 46.00 60.00 81.00 95.00 90.00 99.00 102.00 93.00 76.00 55.00 49.00 102.00
2002 52.00 55.00 64.00 71.00 81.00 96.00 97.00 96.00 88.00 76.00 56.00 50.00 97.00
2003 51.00 53.00 70.00 69.00 83.00 94.00 105.00 101.00 97.00 88.00 59.00 45.00 105.00
2004 50.00 50.00 66.00 78.00 81.00 96.00 101.00 100.00 94.00 77.00 55.00 46.00 101.00
2005 44.00 55.00 66.00 86.00 88.00 90.00 99.00 99.00 89.00 73.00 54.00 43.00 99.00
2006 51.00 51.00 61.00 76.00 98.00 96.00 103.00 97.00 88.00 78.00 54.00 47.00 103.00
2007 55.00 52.00 67.00 74.00 84.00 91.00 101.00 97.00 90.00 69.00 63.00 54.00 101.00
2008 45.00 51.00 59.00 70.00 85.00 94.00 97.00 101.00 e 84.00 e 74.00 56.00 l 46.00 k 101.00
2009 48.00 51.00 58.00 78.00 f 92.00 ----- z 101.00 a 99.00 f 92.00 e 68.00 60.00 41.00 101.00
2010 44.00 52.00 62.00 74.00 81.00 84.00 96.00 97.00 81.00 76.00 60.00 43.00 97.00
2011 56.00 56.00 56.00 65.00 77.00 85.00 90.00 93.00 91.00 71.00 55.00 52.00 93.00
2012 50.00 53.00 61.00 i 75.00 i 82.00 80.00 p 95.00 a 99.00 a 85.00 78.00 67.00 b 51.00 99.00
2013 44.00 b 51.00 67.00 68.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 30.00 z 68.00
Period of Record Statistics
MEAN 47.95 52.78 63.13 74.15 85.31 91.52 98.09 97.54 88.38 74.15 58.46 48.17 99.32
S.D. 5.32 4.25 3.55 5.21 4.98 4.53 3.76 3.15 3.96 4.22 4.89 5.59 3.04
SKEW 0.12 0.31 0.24 0.41 0.26 0.03 -0.40 0.18 0.23 0.31 0.95 -0.03 -0.09
MAX 62.00 63.00 72.00 88.00 98.00 102.00 106.00 105.00 97.00 88.00 72.00 59.00 105.00
MIN 36.00 45.00 56.00 65.00 75.00 84.00 89.00 92.00 81.00 65.00 48.00 35.00 93.00
NO YRS 55 54 53 52 55 52 55 54 55 55 54 53 47