SEATTLE JACKSON PARK, WASHINGTON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(457459)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 198606
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
1961 ----- z ----- z 63.00 g 66.00 87.00 a 86.00 94.00 87.00 85.00 81.00 61.00 54.00 94.00
1962 58.00 64.00 67.00 77.00 72.00 83.00 88.00 a 84.00 b 83.00 72.00 62.00 57.00 88.00
1963 52.00 a 73.00 64.00 72.00 93.00 d 86.00 b 77.00 82.00 86.00 a 75.00 60.00 58.00 93.00
1964 53.00 57.00 70.00 64.00 a 89.00 a 86.00 82.00 86.00 72.00 b 72.00 57.00 f 53.00 89.00
1965 54.00 57.00 69.00 76.00 74.00 80.00 c 91.00 a 91.00 d 77.00 78.00 b 66.00 58.00 a 91.00
1966 56.00 63.00 72.00 77.00 79.00 81.00 83.00 87.00 79.00 69.00 61.00 55.00 87.00
1967 56.00 60.00 56.00 64.00 83.00 86.00 87.00 94.00 90.00 70.00 62.00 a 53.00 94.00
1968 58.00 70.00 69.00 77.00 77.00 84.00 f 88.00 90.00 81.00 70.00 59.00 53.00 90.00
1969 53.00 55.00 69.00 77.00 a 90.00 90.00 85.00 82.00 82.00 74.00 65.00 54.00 90.00
1970 57.00 65.00 62.00 64.00 80.00 95.00 a 88.00 84.00 79.00 74.00 70.00 51.00 95.00
1971 56.00 60.00 58.00 78.00 88.00 78.00 92.00 93.00 78.00 70.00 55.00 50.00 93.00
1972 51.00 57.00 65.00 78.00 87.00 81.00 87.00 92.00 87.00 71.00 59.00 55.00 92.00
1973 56.00 62.00 64.00 67.00 92.00 83.00 84.00 82.00 90.00 70.00 58.00 55.00 92.00
1974 56.00 54.00 61.00 75.00 68.00 84.00 87.00 88.00 94.00 72.00 60.00 57.00 94.00
1975 58.00 56.00 62.00 66.00 82.00 86.00 88.00 84.00 87.00 85.00 66.00 57.00 88.00
1976 59.00 61.00 60.00 84.00 84.00 84.00 83.00 78.00 84.00 75.00 64.00 57.00 84.00
1977 56.00 67.00 58.00 75.00 70.00 82.00 83.00 92.00 75.00 70.00 59.00 57.00 92.00
1978 57.00 59.00 63.00 ----- z ----- z 90.00 b 96.00 97.00 76.00 75.00 64.00 55.00 97.00
1979 57.00 57.00 71.00 76.00 83.00 88.00 96.00 90.00 96.00 85.00 62.00 60.00 a 96.00
1980 59.00 61.00 65.00 81.00 82.00 78.00 85.00 88.00 82.00 91.00 73.00 63.00 91.00
1981 66.00 60.00 70.00 78.00 79.00 82.00 88.00 99.00 98.00 67.00 71.00 54.00 99.00
1982 54.00 61.00 66.00 79.00 83.00 94.00 89.00 91.00 90.00 75.00 60.00 57.00 94.00
1983 58.00 65.00 66.00 75.00 91.00 82.00 86.00 85.00 82.00 68.00 63.00 51.00 91.00
1984 60.00 62.00 68.00 83.00 80.00 85.00 93.00 88.00 87.00 74.00 57.00 51.00 93.00
1985 52.00 54.00 66.00 68.00 79.00 86.00 a 91.00 a 88.00 b 73.00 67.00 a 57.00 52.00 a 91.00
1986 60.00 68.00 70.00 70.00 84.00 81.00 u ----- z ----- z ----- z ----- z ----- z ----- z 84.00
Period of Record Statistics
MEAN 56.48 61.12 65.24 73.88 82.24 84.83 87.64 88.08 83.72 74.00 62.25 55.08 91.83
S.D. 3.20 4.94 4.41 6.06 6.69 4.36 4.54 4.97 6.91 5.99 4.52 3.08 3.55
SKEW 0.69 0.59 -0.42 -0.35 -0.37 0.64 -0.01 0.20 0.26 1.31 0.78 0.46 -0.28
MAX 66.00 73.00 72.00 84.00 93.00 95.00 96.00 99.00 98.00 91.00 73.00 63.00 99.00
MIN 51.00 54.00 56.00 64.00 68.00 78.00 77.00 78.00 72.00 67.00 55.00 50.00 84.00
NO YRS 25 25 25 25 25 24 25 25 25 25 24 25 18