SEATTLE TCOMA WSCMO AP, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(457473)

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
1931 ----- z ----- z ----- z ----- z ----- z ----- z 80.00 z ----- z ----- z ----- z ----- z ----- z 80.00
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 87.00 f 88.00 80.00 81.00 76.00 55.00 47.00 88.00
1949 49.00 66.00 63.00 73.00 80.00 84.00 86.00 92.00 87.00 71.00 74.00 55.00 92.00
1950 48.00 58.00 56.00 74.00 79.00 84.00 86.00 86.00 86.00 71.00 64.00 58.00 86.00
1951 54.00 57.00 63.00 77.00 81.00 92.00 96.00 85.00 87.00 80.00 57.00 49.00 96.00
1952 58.00 60.00 58.00 70.00 80.00 75.00 89.00 92.00 88.00 78.00 64.00 59.00 92.00
1953 55.00 52.00 63.00 65.00 86.00 71.00 88.00 85.00 86.00 76.00 61.00 51.00 88.00
1954 55.00 58.00 59.00 70.00 75.00 77.00 80.00 80.00 76.00 76.00 62.00 55.00 80.00
1955 50.00 51.00 64.00 70.00 70.00 96.00 82.00 87.00 86.00 68.00 60.00 55.00 96.00
1956 56.00 47.00 66.00 74.00 87.00 77.00 94.00 87.00 86.00 68.00 58.00 54.00 94.00
1957 49.00 56.00 59.00 75.00 80.00 76.00 82.00 80.00 84.00 70.00 57.00 61.00 84.00
1958 57.00 61.00 59.00 73.00 89.00 91.00 97.00 87.00 86.00 75.00 60.00 57.00 97.00
1959 53.00 56.00 59.00 73.00 81.00 85.00 93.00 82.00 77.00 65.00 58.00 56.00 93.00
1960 61.00 53.00 66.00 72.00 76.00 82.00 94.00 99.00 82.00 68.00 65.00 60.00 99.00
1961 60.00 57.00 61.00 64.00 85.00 90.00 97.00 93.00 86.00 80.00 62.00 53.00 97.00
1962 57.00 64.00 67.00 77.00 67.00 85.00 88.00 84.00 84.00 72.00 63.00 57.00 88.00
1963 52.00 68.00 64.00 65.00 93.00 88.00 78.00 85.00 89.00 76.00 59.00 56.00 93.00
1964 52.00 54.00 71.00 63.00 90.00 79.00 85.00 85.00 77.00 73.00 56.00 54.00 90.00
1965 55.00 59.00 69.00 77.00 74.00 89.00 94.00 90.00 78.00 74.00 68.00 60.00 94.00
1966 55.00 65.00 70.00 75.00 80.00 86.00 84.00 88.00 82.00 76.00 58.00 54.00 88.00
1967 56.00 56.00 55.00 62.00 82.00 87.00 87.00 98.00 93.00 71.00 61.00 55.00 98.00
1968 59.00 70.00 69.00 76.00 80.00 87.00 92.00 90.00 80.00 68.00 59.00 53.00 92.00
1969 55.00 57.00 70.00 68.00 90.00 91.00 85.00 84.00 85.00 73.00 62.00 56.00 91.00
1970 55.00 65.00 60.00 62.00 80.00 94.00 90.00 85.00 85.00 74.00 72.00 53.00 94.00
1971 55.00 56.00 55.00 76.00 87.00 80.00 95.00 94.00 76.00 72.00 55.00 50.00 95.00
1972 53.00 57.00 66.00 77.00 91.00 78.00 91.00 95.00 83.00 69.00 57.00 54.00 95.00
1973 57.00 67.00 62.00 65.00 87.00 86.00 90.00 85.00 88.00 68.00 60.00 57.00 90.00
1974 58.00 55.00 60.00 75.00 72.00 86.00 89.00 91.00 91.00 75.00 59.00 57.00 91.00
1975 53.00 58.00 61.00 67.00 81.00 88.00 90.00 84.00 86.00 81.00 66.00 57.00 90.00
1976 57.00 57.00 60.00 85.00 81.00 86.00 86.00 82.00 86.00 74.00 65.00 61.00 86.00
1977 57.00 67.00 59.00 78.00 72.00 87.00 87.00 96.00 77.00 69.00 60.00 56.00 96.00
1978 55.00 62.00 64.00 70.00 82.00 92.00 95.00 95.00 73.00 72.00 59.00 53.00 95.00
1979 53.00 58.00 70.00 76.00 81.00 88.00 98.00 82.00 93.00 77.00 62.00 56.00 98.00
1980 52.00 59.00 61.00 76.00 77.00 73.00 85.00 87.00 79.00 82.00 71.00 63.00 87.00
1981 64.00 65.00 67.00 73.00 77.00 80.00 87.00 99.00 94.00 64.00 67.00 56.00 99.00
1982 54.00 60.00 62.00 77.00 80.00 94.00 87.00 88.00 87.00 69.00 61.00 57.00 94.00
1983 56.00 62.00 63.00 74.00 92.00 79.00 85.00 81.00 77.00 63.00 62.00 51.00 92.00
1984 61.00 60.00 64.00 83.00 81.00 83.00 91.00 85.00 86.00 74.00 58.00 49.00 91.00
1985 51.00 53.00 63.00 70.00 84.00 88.00 93.00 89.00 76.00 66.00 56.00 55.00 93.00
1986 59.00 68.00 69.00 71.00 86.00 90.00 80.00 91.00 88.00 73.00 58.00 54.00 91.00
1987 59.00 64.00 75.00 82.00 84.00 93.00 86.00 92.00 91.00 89.00 64.00 55.00 93.00
1988 54.00 62.00 66.00 74.00 85.00 86.00 95.00 91.00 98.00 78.00 61.00 56.00 98.00
1989 53.00 52.00 62.00 81.00 79.00 90.00 84.00 85.00 91.00 74.00 60.00 57.00 91.00
1990 54.00 65.00 67.00 77.00 77.00 84.00 94.00 94.00 92.00 67.00 65.00 53.00 94.00
1991 53.00 66.00 65.00 73.00 72.00 77.00 99.00 88.00 85.00 83.00 61.00 57.00 99.00
1992 60.00 67.00 69.00 77.00 89.00 92.00 90.00 91.00 82.00 73.00 57.00 50.00 92.00
1993 55.00 64.00 64.00 73.00 85.00 80.00 78.00 95.00 85.00 80.00 57.00 64.00 95.00
1994 56.00 58.00 74.00 72.00 80.00 80.00 100.00 88.00 86.00 72.00 53.00 58.00 100.00
1995 59.00 60.00 72.00 71.00 84.00 96.00 93.00 85.00 84.00 70.00 65.00 60.00 96.00
1996 55.00 65.00 70.00 78.00 73.00 79.00 91.00 89.00 77.00 79.00 60.00 56.00 91.00
1997 55.00 58.00 62.00 71.00 81.00 76.00 88.00 88.00 82.00 68.00 64.00 56.00 88.00
1998 59.00 62.00 68.00 80.00 81.00 82.00 97.00 88.00 86.00 72.00 57.00 57.00 97.00
1999 53.00 53.00 64.00 81.00 78.00 85.00 86.00 82.00 87.00 69.00 62.00 53.00 87.00
2000 52.00 59.00 62.00 68.00 73.00 88.00 85.00 83.00 84.00 77.00 57.00 55.00 88.00
2001 57.00 56.00 66.00 71.00 85.00 79.00 83.00 88.00 77.00 71.00 62.00 54.00 88.00
2002 59.00 58.00 58.00 66.00 80.00 94.00 89.00 92.00 80.00 70.00 63.00 59.00 94.00
2003 58.00 52.00 66.00 67.00 78.00 90.00 93.00 84.00 88.00 71.00 57.00 55.00 93.00
2004 55.00 62.00 78.00 80.00 76.00 88.00 96.00 92.00 73.00 72.00 60.00 59.00 96.00
2005 62.00 61.00 67.00 78.00 89.00 79.00 87.00 88.00 78.00 69.00 54.00 62.00 89.00
2006 58.00 60.00 64.00 73.00 83.00 90.00 86.00 j ----- z ----- z ----- z ----- z ----- z 90.00
Period of Record Statistics
MEAN 55.55 59.62 64.41 73.12 81.17 85.03 89.28 88.12 84.09 72.95 60.86 55.69 92.53
S.D. 3.31 5.03 4.89 5.36 5.74 6.11 5.33 4.85 5.50 5.02 4.28 3.43 4.18
SKEW 0.06 -0.05 0.37 -0.18 -0.10 -0.23 -0.04 0.36 -0.01 0.61 0.86 -0.03 -0.46
MAX 64.00 70.00 78.00 85.00 93.00 96.00 100.00 99.00 98.00 89.00 74.00 64.00 100.00
MIN 48.00 47.00 55.00 62.00 67.00 71.00 78.00 80.00 73.00 63.00 53.00 47.00 80.00
NO YRS 58 58 58 58 58 58 58 58 58 58 58 58 57