SPOKANE WSO AIRPORT, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(457938)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
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
1889 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 90.00 86.00 86.00 53.00 42.00 90.00
1890 46.00 52.00 57.00 86.00 88.00 93.00 102.00 93.00 87.00 65.00 60.00 54.00 102.00
1891 50.00 38.00 56.00 76.00 88.00 84.00 97.00 95.00 89.00 78.00 69.00 46.00 97.00
1892 48.00 51.00 66.00 68.00 85.00 96.00 96.00 93.00 86.00 86.00 60.00 46.00 96.00
1893 55.00 45.00 60.00 63.00 77.00 81.00 99.00 98.00 95.00 62.00 56.00 49.00 99.00
1894 49.00 48.00 63.00 75.00 90.00 89.00 95.00 98.00 85.00 74.00 58.00 44.00 98.00
1895 47.00 56.00 65.00 78.00 84.00 91.00 93.00 95.00 89.00 76.00 56.00 52.00 95.00
1896 52.00 59.00 63.00 66.00 82.00 96.00 100.00 92.00 87.00 75.00 63.00 52.00 100.00
1897 49.00 49.00 56.00 80.00 95.00 83.00 96.00 100.00 88.00 75.00 65.00 51.00 100.00
1898 40.00 58.00 59.00 78.00 83.00 90.00 98.00 104.00 88.00 67.00 54.00 50.00 104.00
1899 54.00 50.00 54.00 72.00 79.00 86.00 98.00 89.00 89.00 79.00 65.00 50.00 98.00
1900 52.00 51.00 69.00 80.00 82.00 93.00 100.00 88.00 86.00 69.00 51.00 53.00 100.00
1901 50.00 59.00 64.00 68.00 86.00 86.00 95.00 99.00 76.00 78.00 57.00 49.00 99.00
1902 54.00 52.00 61.00 68.00 85.00 87.00 94.00 94.00 89.00 76.00 50.00 46.00 94.00
1903 48.00 52.00 66.00 76.00 94.00 91.00 97.00 96.00 82.00 72.00 70.00 54.00 97.00
1904 49.00 44.00 58.00 79.00 80.00 93.00 98.00 100.00 91.00 82.00 64.00 47.00 100.00
1905 46.00 57.00 68.00 80.00 83.00 82.00 103.00 99.00 91.00 62.00 55.00 41.00 103.00
1906 46.00 52.00 65.00 87.00 89.00 87.00 99.00 98.00 92.00 79.00 58.00 50.00 99.00
1907 44.00 55.00 62.00 73.00 86.00 88.00 95.00 97.00 86.00 80.00 59.00 54.00 97.00
1908 45.00 51.00 58.00 81.00 84.00 93.00 101.00 96.00 91.00 77.00 69.00 47.00 101.00
1909 49.00 54.00 63.00 67.00 80.00 92.00 95.00 97.00 88.00 72.00 58.00 45.00 97.00
1910 48.00 44.00 69.00 87.00 89.00 90.00 95.00 95.00 87.00 77.00 60.00 48.00 95.00
1911 46.00 44.00 70.00 77.00 87.00 92.00 98.00 91.00 92.00 84.00 56.00 46.00 98.00
1912 51.00 51.00 65.00 74.00 82.00 98.00 94.00 92.00 80.00 72.00 58.00 49.00 98.00
1913 47.00 51.00 54.00 77.00 86.00 90.00 95.00 95.00 89.00 73.00 56.00 47.00 95.00
1914 53.00 50.00 65.00 75.00 89.00 90.00 99.00 100.00 86.00 73.00 60.00 45.00 100.00
1915 45.00 51.00 71.00 78.00 79.00 89.00 98.00 97.00 85.00 73.00 53.00 50.00 98.00
1916 49.00 53.00 64.00 80.00 77.00 96.00 95.00 96.00 90.00 75.00 57.00 46.00 96.00
1917 44.00 49.00 51.00 60.00 77.00 90.00 100.00 97.00 90.00 82.00 61.00 58.00 100.00
1918 62.00 53.00 68.00 76.00 83.00 93.00 101.00 94.00 89.00 77.00 55.00 55.00 101.00
1919 56.00 45.00 68.00 75.00 88.00 96.00 102.00 95.00 87.00 76.00 61.00 55.00 102.00
1920 50.00 50.00 63.00 74.00 80.00 92.00 101.00 99.00 87.00 77.00 56.00 51.00 101.00
1921 51.00 55.00 60.00 72.00 84.00 92.00 94.00 95.00 80.00 77.00 60.00 59.00 95.00
1922 40.00 49.00 56.00 72.00 85.00 93.00 101.00 98.00 92.00 77.00 52.00 49.00 101.00
1923 52.00 54.00 70.00 79.00 82.00 91.00 99.00 99.00 88.00 81.00 57.00 53.00 99.00
1924 53.00 58.00 56.00 74.00 89.00 99.00 102.00 97.00 92.00 74.00 52.00 55.00 102.00
1925 48.00 54.00 62.00 80.00 85.00 100.00 100.00 99.00 87.00 70.00 53.00 57.00 100.00
1926 46.00 60.00 66.00 90.00 83.00 98.00 103.00 98.00 81.00 74.00 58.00 55.00 103.00
1927 44.00 51.00 65.00 79.00 80.00 87.00 100.00 93.00 79.00 79.00 54.00 56.00 100.00
1928 45.00 48.00 68.00 78.00 97.00 94.00 108.00 96.00 95.00 72.00 53.00 52.00 108.00
1929 36.00 44.00 60.00 73.00 88.00 88.00 103.00 99.00 90.00 80.00 55.00 53.00 103.00
1930 52.00 60.00 70.00 80.00 85.00 88.00 98.00 104.00 90.00 75.00 57.00 38.00 104.00
1931 58.00 54.00 58.00 81.00 93.00 95.00 106.00 97.00 91.00 80.00 66.00 49.00 106.00
1932 46.00 60.00 65.00 76.00 79.00 93.00 96.00 97.00 89.00 81.00 58.00 54.00 97.00
1933 48.00 46.00 57.00 76.00 86.00 97.00 101.00 98.00 83.00 81.00 60.00 59.00 101.00
1934 53.00 57.00 67.00 84.00 96.00 94.00 106.00 96.00 92.00 84.00 64.00 50.00 106.00
1935 57.00 50.00 64.00 69.00 81.00 87.00 99.00 95.00 93.00 85.00 52.00 45.00 99.00
1936 44.00 51.00 63.00 86.00 93.00 97.00 103.00 98.00 85.00 80.00 60.00 54.00 103.00
1937 38.00 48.00 59.00 72.00 83.00 95.00 98.00 93.00 93.00 72.00 55.00 50.00 98.00
1938 47.00 51.00 58.00 77.00 87.00 90.00 103.00 93.00 98.00 78.00 53.00 56.00 103.00
1939 56.00 45.00 71.00 87.00 92.00 98.00 105.00 101.00 90.00 73.00 57.00 60.00 105.00
1940 51.00 53.00 67.00 74.00 89.00 97.00 101.00 96.00 92.00 77.00 52.00 51.00 101.00
1941 48.00 59.00 72.00 80.00 89.00 93.00 104.00 98.00 77.00 70.00 58.00 58.00 104.00
1942 48.00 48.00 70.00 83.00 83.00 92.00 98.00 101.00 90.00 79.00 53.00 45.00 101.00
1943 44.00 52.00 60.00 81.00 79.00 86.00 95.00 91.00 91.00 87.00 57.00 54.00 95.00
1944 51.00 51.00 64.00 78.00 87.00 92.00 98.00 93.00 95.00 77.00 54.00 53.00 98.00
1945 54.00 52.00 62.00 73.00 83.00 91.00 96.00 96.00 91.00 79.00 62.00 51.00 96.00
1946 48.00 52.00 67.00 89.00 81.00 89.00 99.00 98.00 87.00 64.00 53.00 55.00 99.00
1947 49.00 59.00 69.00 80.00 89.00 88.00 96.00 94.00 89.00 76.00 52.00 47.00 96.00
1948 40.00 54.00 63.00 72.00 88.00 93.00 89.00 86.00 91.00 72.00 53.00 42.00 93.00
1949 38.00 54.00 56.00 78.00 90.00 92.00 100.00 96.00 93.00 64.00 59.00 49.00 100.00
1950 40.00 49.00 51.00 69.00 80.00 91.00 95.00 93.00 96.00 69.00 60.00 50.00 96.00
1951 46.00 54.00 59.00 74.00 86.00 86.00 98.00 97.00 86.00 75.00 52.00 48.00 98.00
1952 42.00 47.00 64.00 84.00 82.00 88.00 98.00 95.00 93.00 80.00 56.00 41.00 98.00
1953 51.00 51.00 68.00 71.00 84.00 81.00 97.00 98.00 92.00 76.00 61.00 47.00 98.00
1954 49.00 55.00 60.00 71.00 89.00 84.00 94.00 92.00 85.00 67.00 59.00 47.00 94.00
1955 43.00 46.00 53.00 66.00 76.00 96.00 98.00 92.00 94.00 69.00 55.00 49.00 98.00
1956 47.00 41.00 60.00 78.00 89.00 85.00 96.00 96.00 85.00 74.00 49.00 50.00 96.00
1957 36.00 54.00 55.00 83.00 88.00 89.00 92.00 89.00 88.00 65.00 53.00 54.00 92.00
1958 47.00 61.00 61.00 68.00 92.00 96.00 95.00 98.00 94.00 80.00 57.00 52.00 98.00
1959 52.00 46.00 57.00 71.00 80.00 90.00 102.00 95.00 90.00 67.00 58.00 51.00 102.00
1960 46.00 47.00 71.00 72.00 82.00 90.00 102.00 97.00 85.00 78.00 53.00 46.00 102.00
1961 49.00 52.00 61.00 70.00 87.00 97.00 97.00 108.00 81.00 79.00 49.00 46.00 108.00
1962 47.00 56.00 62.00 80.00 72.00 92.00 97.00 94.00 87.00 79.00 53.00 46.00 97.00
1963 45.00 55.00 64.00 74.00 84.00 92.00 90.00 95.00 93.00 85.00 58.00 41.00 95.00
1964 43.00 42.00 70.00 63.00 83.00 86.00 95.00 89.00 84.00 74.00 53.00 48.00 95.00
1965 44.00 51.00 62.00 73.00 82.00 89.00 97.00 98.00 80.00 78.00 65.00 48.00 98.00
1966 49.00 48.00 70.00 72.00 92.00 85.00 94.00 100.00 93.00 77.00 57.00 51.00 100.00
1967 53.00 56.00 55.00 61.00 82.00 90.00 103.00 101.00 92.00 73.00 52.00 43.00 103.00
1968 46.00 60.00 64.00 80.00 82.00 92.00 101.00 94.00 86.00 68.00 48.00 53.00 101.00
1969 37.00 40.00 66.00 78.00 86.00 93.00 93.00 99.00 91.00 71.00 56.00 47.00 99.00
1970 43.00 52.00 55.00 61.00 84.00 98.00 99.00 99.00 81.00 82.00 60.00 45.00 99.00
1971 59.00 53.00 55.00 70.00 86.00 90.00 99.00 101.00 86.00 78.00 52.00 44.00 101.00
1972 47.00 57.00 69.00 73.00 88.00 90.00 96.00 103.00 88.00 74.00 56.00 52.00 103.00
1973 51.00 56.00 59.00 71.00 90.00 100.00 96.00 96.00 93.00 70.00 56.00 46.00 100.00
1974 50.00 47.00 61.00 70.00 75.00 94.00 97.00 94.00 84.00 74.00 53.00 49.00 97.00
1975 40.00 43.00 49.00 63.00 81.00 84.00 102.00 89.00 88.00 83.00 67.00 51.00 102.00
1976 47.00 47.00 59.00 71.00 81.00 93.00 95.00 90.00 93.00 82.00 58.00 51.00 95.00
1977 47.00 57.00 61.00 90.00 81.00 90.00 94.00 100.00 81.00 67.00 55.00 51.00 100.00
1978 42.00 47.00 65.00 72.00 76.00 91.00 96.00 98.00 86.00 74.00 56.00 38.00 98.00
1979 34.00 48.00 63.00 73.00 83.00 92.00 102.00 93.00 92.00 81.00 52.00 54.00 102.00
1980 43.00 54.00 56.00 83.00 85.00 83.00 101.00 89.00 83.00 86.00 58.00 56.00 101.00
1981 46.00 57.00 66.00 82.00 76.00 85.00 93.00 98.00 92.00 71.00 59.00 53.00 98.00
1982 44.00 56.00 60.00 73.00 83.00 94.00 98.00 95.00 90.00 70.00 54.00 54.00 98.00
1983 53.00 59.00 60.00 71.00 94.00 87.00 91.00 96.00 83.00 70.00 59.00 38.00 96.00
1984 49.00 52.00 60.00 79.00 85.00 89.00 101.00 97.00 89.00 82.00 50.00 39.00 101.00
1985 38.00 43.00 59.00 75.00 88.00 92.00 100.00 89.00 76.00 68.00 53.00 37.00 100.00
1986 45.00 59.00 64.00 74.00 96.00 94.00 91.00 97.00 86.00 73.00 53.00 39.00 97.00
1987 42.00 50.00 63.00 86.00 88.00 96.00 95.00 96.00 94.00 84.00 57.00 50.00 96.00
1988 47.00 60.00 60.00 79.00 89.00 90.00 97.00 98.00 98.00 80.00 65.00 48.00 98.00
1989 50.00 47.00 59.00 74.00 80.00 87.00 94.00 97.00 85.00 75.00 60.00 50.00 97.00
1990 52.00 51.00 66.00 71.00 83.00 89.00 98.00 96.00 91.00 67.00 62.00 47.00 98.00
1991 44.00 53.00 69.00 74.00 71.00 82.00 95.00 95.00 88.00 80.00 53.00 46.00 95.00
1992 54.00 53.00 70.00 76.00 89.00 101.00 99.00 101.00 89.00 85.00 51.00 39.00 101.00
1993 43.00 44.00 59.00 63.00 92.00 90.00 87.00 90.00 88.00 79.00 58.00 53.00 92.00
1994 49.00 51.00 69.00 78.00 84.00 92.00 102.00 98.00 88.00 75.00 47.00 48.00 102.00
1995 56.00 63.00 67.00 67.00 87.00 87.00 93.00 91.00 90.00 70.00 59.00 51.00 93.00
1996 48.00 51.00 57.00 75.00 74.00 87.00 98.00 99.00 93.00 76.00 53.00 46.00 99.00
1997 46.00 48.00 63.00 69.00 83.00 83.00 94.00 99.00 93.00 86.00 53.00 46.00 99.00
1998 49.00 53.00 66.00 81.00 83.00 89.00 103.00 102.00 96.00 76.00 56.00 48.00 103.00
1999 49.00 53.00 70.00 73.00 88.00 93.00 97.00 96.00 87.00 70.00 67.00 50.00 97.00
2000 41.00 47.00 62.00 74.00 78.00 87.00 99.00 95.00 89.00 72.00 47.00 39.00 99.00
2001 41.00 40.00 63.00 77.00 90.00 89.00 98.00 99.00 89.00 78.00 61.00 44.00 99.00
2002 48.00 51.00 55.00 70.00 77.00 96.00 102.00 94.00 90.00 70.00 58.00 55.00 102.00
2003 56.00 51.00 66.00 71.00 91.00 93.00 100.00 95.00 95.00 80.00 55.00 45.00 100.00
2004 44.00 52.00 70.00 76.00 77.00 93.00 96.00 97.00 79.00 76.00 55.00 52.00 97.00
2005 50.00 57.00 64.00 77.00 86.00 94.00 97.00 96.00 83.00 68.00 51.00 52.00 97.00
2006 50.00 48.00 59.00 75.00 92.00 94.00 94.00 j ----- z ----- z ----- z ----- z ----- z 94.00
Period of Record Statistics
MEAN 47.50 51.49 62.54 75.23 84.74 90.91 97.92 96.03 88.36 75.58 56.71 49.10 99.10
S.D. 5.11 5.07 5.14 6.26 5.24 4.36 3.68 3.66 4.55 5.67 4.70 5.01 3.15
SKEW -0.07 -0.19 -0.22 0.00 -0.06 -0.09 -0.03 -0.10 -0.52 -0.19 0.57 -0.33 0.27
MAX 62.00 63.00 72.00 90.00 97.00 101.00 108.00 108.00 98.00 87.00 70.00 60.00 108.00
MIN 34.00 38.00 49.00 60.00 71.00 81.00 87.00 86.00 76.00 62.00 47.00 37.00 92.00
NO YRS 117 117 117 117 117 117 116 117 117 117 117 117 116