OLYMPIA WSO AP, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(456114)

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
1948 ----- z ----- z ----- z ----- z ----- z 94.00 93.00 80.00 86.00 75.00 56.00 47.00 94.00
1949 47.00 67.00 62.00 76.00 84.00 86.00 90.00 93.00 87.00 74.00 74.00 53.00 93.00
1950 48.00 57.00 57.00 78.00 83.00 88.00 91.00 94.00 90.00 70.00 69.00 59.00 94.00
1951 56.00 58.00 66.00 82.00 86.00 95.00 94.00 92.00 90.00 82.00 58.00 50.00 95.00
1952 60.00 64.00 65.00 78.00 87.00 80.00 94.00 94.00 89.00 80.00 67.00 60.00 94.00
1953 56.00 55.00 70.00 70.00 88.00 79.00 95.00 91.00 88.00 81.00 61.00 53.00 95.00
1954 61.00 63.00 61.00 73.00 79.00 83.00 82.00 86.00 78.00 71.00 71.00 54.00 86.00
1955 51.00 53.00 63.00 76.00 73.00 97.00 85.00 91.00 89.00 71.00 58.00 55.00 97.00
1956 57.00 50.00 72.00 78.00 92.00 81.00 100.00 91.00 87.00 73.00 62.00 55.00 100.00
1957 48.00 59.00 62.00 81.00 84.00 82.00 86.00 85.00 91.00 73.00 64.00 60.00 91.00
1958 55.00 63.00 61.00 79.00 89.00 96.00 99.00 95.00 90.00 76.00 61.00 64.00 99.00
1959 55.00 57.00 60.00 75.00 82.00 90.00 97.00 86.00 80.00 69.00 60.00 55.00 97.00
1960 57.00 56.00 69.00 72.00 81.00 86.00 98.00 100.00 86.00 72.00 59.00 57.00 100.00
1961 58.00 62.00 63.00 67.00 86.00 89.00 100.00 96.00 86.00 82.00 60.00 53.00 100.00
1962 60.00 70.00 68.00 81.00 68.00 87.00 94.00 86.00 87.00 74.00 67.00 58.00 94.00
1963 53.00 69.00 65.00 67.00 90.00 88.00 81.00 88.00 91.00 72.00 58.00 57.00 91.00
1964 52.00 57.00 72.00 66.00 82.00 81.00 86.00 87.00 78.00 75.00 57.00 54.00 87.00
1965 53.00 60.00 68.00 79.00 78.00 89.00 99.00 97.00 80.00 75.00 62.00 58.00 99.00
1966 53.00 60.00 74.00 77.00 82.00 86.00 87.00 91.00 86.00 75.00 63.00 54.00 91.00
1967 56.00 58.00 57.00 67.00 87.00 91.00 91.00 98.00 94.00 73.00 60.00 54.00 98.00
1968 56.00 72.00 65.00 79.00 77.00 88.00 95.00 91.00 83.00 73.00 61.00 53.00 95.00
1969 51.00 56.00 76.00 71.00 89.00 93.00 89.00 85.00 86.00 77.00 66.00 54.00 93.00
1970 56.00 63.00 65.00 66.00 82.00 94.00 96.00 93.00 82.00 76.00 69.00 53.00 96.00
1971 56.00 58.00 60.00 78.00 88.00 86.00 95.00 99.00 80.00 75.00 58.00 51.00 99.00
1972 52.00 58.00 70.00 78.00 91.00 82.00 93.00 96.00 91.00 75.00 56.00 56.00 96.00
1973 58.00 64.00 65.00 71.00 89.00 92.00 92.00 87.00 91.00 71.00 59.00 56.00 92.00
1974 58.00 54.00 64.00 72.00 74.00 86.00 92.00 92.00 92.00 82.00 58.00 57.00 92.00
1975 55.00 58.00 62.00 69.00 82.00 89.00 90.00 86.00 86.00 83.00 70.00 57.00 90.00
1976 60.00 59.00 61.00 80.00 82.00 84.00 86.00 81.00 84.00 73.00 63.00 57.00 86.00
1977 58.00 66.00 61.00 80.00 74.00 88.00 89.00 98.00 82.00 71.00 58.00 56.00 98.00
1978 55.00 63.00 70.00 72.00 85.00 93.00 99.00 100.00 73.00 75.00 62.00 51.00 100.00
1979 51.00 60.00 73.00 77.00 81.00 92.00 98.00 86.00 90.00 79.00 60.00 56.00 98.00
1980 52.00 58.00 60.00 79.00 80.00 76.00 88.00 92.00 85.00 89.00 72.00 63.00 92.00
1981 57.00 65.00 67.00 74.00 80.00 84.00 94.00 104.00 96.00 67.00 70.00 55.00 104.00
1982 55.00 60.00 64.00 82.00 83.00 98.00 90.00 94.00 92.00 71.00 58.00 59.00 98.00
1983 59.00 63.00 67.00 78.00 96.00 82.00 88.00 86.00 81.00 68.00 60.00 52.00 96.00
1984 61.00 60.00 68.00 79.00 84.00 85.00 93.00 91.00 83.00 79.00 57.00 50.00 93.00
1985 53.00 55.00 67.00 74.00 86.00 92.00 96.00 91.00 77.00 69.00 58.00 49.00 96.00
1986 57.00 73.00 73.00 75.00 88.00 90.00 83.00 93.00 88.00 71.00 58.00 53.00 93.00
1987 55.00 62.00 73.00 87.00 87.00 94.00 89.00 94.00 92.00 90.00 63.00 57.00 94.00
1988 54.00 64.00 70.00 77.00 87.00 88.00 98.00 92.00 98.00 77.00 59.00 54.00 98.00
1989 54.00 51.00 58.00 82.00 81.00 92.00 85.00 87.00 89.00 73.00 60.00 57.00 92.00
1990 53.00 64.00 69.00 76.00 77.00 86.00 96.00 98.00 91.00 67.00 64.00 51.00 98.00
1991 54.00 65.00 64.00 76.00 72.00 77.00 99.00 91.00 87.00 86.00 61.00 52.00 99.00
1992 58.00 71.00 70.00 78.00 89.00 96.00 94.00 93.00 84.00 77.00 58.00 49.00 96.00
1993 60.00 63.00 64.00 72.00 86.00 83.00 82.00 98.00 90.00 83.00 59.00 63.00 98.00
1994 57.00 60.00 76.00 76.00 83.00 84.00 102.00 90.00 87.00 73.00 53.00 56.00 102.00
1995 59.00 64.00 76.00 75.00 87.00 97.00 98.00 88.00 87.00 75.00 65.00 60.00 98.00
1996 53.00 62.00 67.00 77.00 76.00 82.00 95.00 94.00 79.00 81.00 62.00 58.00 b 95.00
1997 59.00 59.00 64.00 73.00 d 85.00 e 80.00 91.00 90.00 87.00 69.00 64.00 53.00 91.00
1998 57.00 58.00 67.00 84.00 85.00 83.00 100.00 91.00 91.00 74.00 58.00 56.00 100.00
1999 56.00 53.00 70.00 81.00 83.00 88.00 89.00 87.00 89.00 71.00 65.00 54.00 89.00
2000 50.00 59.00 64.00 72.00 76.00 91.00 88.00 86.00 88.00 77.00 61.00 51.00 91.00
2001 55.00 56.00 69.00 75.00 91.00 84.00 86.00 91.00 80.00 74.00 63.00 51.00 91.00
2002 57.00 57.00 60.00 69.00 82.00 94.00 94.00 93.00 83.00 72.00 73.00 58.00 94.00
2003 58.00 55.00 69.00 71.00 79.00 93.00 96.00 89.00 92.00 75.00 58.00 55.00 96.00
2004 54.00 58.00 79.00 82.00 78.00 89.00 99.00 94.00 76.00 74.00 58.00 57.00 99.00
2005 64.00 65.00 70.00 76.00 92.00 85.00 90.00 92.00 82.00 72.00 56.00 60.00 92.00
2006 54.00 58.00 64.00 79.00 84.00 93.00 88.00 j ----- z ----- z ----- z ----- z ----- z 93.00
Period of Record Statistics
MEAN 55.47 60.47 66.48 75.76 83.31 87.81 92.40 91.45 86.33 75.12 61.72 55.17 95.18
S.D. 3.42 5.00 5.08 4.74 5.54 5.37 5.29 4.81 5.15 5.05 4.74 3.58 3.94
SKEW -0.23 0.43 0.27 -0.25 -0.38 -0.07 -0.28 0.09 -0.36 0.95 0.89 0.21 -0.30
MAX 64.00 73.00 79.00 87.00 96.00 98.00 102.00 104.00 98.00 90.00 74.00 64.00 104.00
MIN 47.00 50.00 57.00 66.00 68.00 76.00 81.00 80.00 73.00 67.00 53.00 47.00 86.00
NO YRS 58 58 58 58 58 59 58 58 58 58 58 58 56