SEATTLE NAS, :

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(457468)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197005
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
1929 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 60.00 57.00 60.00
1930 49.00 64.00 70.00 a ----- z 74.00 88.00 ----- z 87.00 81.00 67.00 66.00 55.00 88.00
1931 68.00 65.00 64.00 76.00 83.00 ----- z ----- z ----- z 78.00 ----- z ----- z ----- z 83.00
1932 52.00 ----- z 65.00 c 71.00 75.00 86.00 80.00 85.00 83.00 a 83.00 a 62.00 c 56.00 86.00
1933 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 90.00 ----- z 78.00 59.00 ----- z 90.00
1934 56.00 ----- z ----- z 86.00 a ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 86.00
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 80.00 ----- z 58.00 80.00
1937 ----- z ----- z 71.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 71.00
1938 ----- z ----- z 65.00 78.00 ----- z 86.00 a ----- z ----- z ----- z ----- z 60.00 59.00 86.00
1939 55.00 ----- z ----- z ----- z 83.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 83.00
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 59.00 ----- z 59.00
1943 54.00 ----- z ----- z ----- z 76.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 76.00
1944 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1945 ----- z ----- z 59.00 69.00 89.00 84.00 88.00 86.00 83.00 78.00 58.00 57.00 89.00
1946 56.00 60.00 68.00 69.00 83.00 82.00 90.00 87.00 88.00 65.00 62.00 57.00 90.00
1947 55.00 68.00 72.00 85.00 86.00 80.00 83.00 82.00 84.00 70.00 56.00 57.00 86.00
1948 53.00 58.00 72.00 71.00 82.00 87.00 86.00 80.00 82.00 76.00 52.00 48.00 87.00
1949 49.00 a 66.00 65.00 74.00 79.00 81.00 86.00 91.00 84.00 68.00 66.00 68.00 91.00
1950 50.00 58.00 58.00 78.00 81.00 84.00 83.00 88.00 88.00 72.00 65.00 58.00 88.00
1951 55.00 58.00 65.00 80.00 83.00 92.00 91.00 86.00 87.00 83.00 59.00 49.00 92.00
1952 56.00 63.00 62.00 72.00 82.00 76.00 90.00 93.00 89.00 81.00 66.00 65.00 93.00
1953 57.00 55.00 66.00 66.00 93.00 75.00 88.00 88.00 84.00 80.00 63.00 54.00 93.00
1954 55.00 61.00 62.00 75.00 75.00 77.00 83.00 80.00 76.00 80.00 63.00 56.00 83.00
1955 52.00 52.00 66.00 74.00 71.00 95.00 83.00 86.00 87.00 70.00 60.00 55.00 95.00
1956 57.00 49.00 65.00 73.00 86.00 78.00 93.00 86.00 89.00 72.00 59.00 56.00 93.00
1957 49.00 58.00 60.00 78.00 81.00 80.00 84.00 86.00 87.00 73.00 60.00 63.00 87.00
1958 57.00 63.00 61.00 77.00 85.00 93.00 95.00 88.00 85.00 76.00 60.00 59.00 95.00
1959 53.00 56.00 64.00 74.00 83.00 84.00 92.00 82.00 78.00 66.00 60.00 54.00 92.00
1960 61.00 56.00 69.00 71.00 79.00 79.00 91.00 98.00 82.00 71.00 65.00 56.00 98.00
1961 60.00 56.00 63.00 66.00 85.00 85.00 94.00 90.00 84.00 80.00 60.00 54.00 94.00
1962 57.00 64.00 68.00 76.00 67.00 82.00 89.00 85.00 83.00 71.00 62.00 57.00 89.00
1963 53.00 70.00 63.00 66.00 95.00 85.00 76.00 84.00 87.00 76.00 60.00 58.00 95.00
1964 54.00 55.00 71.00 64.00 88.00 79.00 84.00 87.00 76.00 73.00 56.00 54.00 88.00
1965 54.00 58.00 68.00 77.00 77.00 83.00 93.00 90.00 76.00 71.00 66.00 58.00 93.00
1966 55.00 64.00 71.00 76.00 79.00 84.00 85.00 90.00 82.00 79.00 61.00 55.00 90.00
1967 56.00 59.00 56.00 63.00 82.00 88.00 87.00 95.00 94.00 70.00 61.00 54.00 95.00
1968 57.00 68.00 70.00 75.00 78.00 84.00 88.00 92.00 82.00 71.00 58.00 53.00 92.00
1969 54.00 58.00 68.00 68.00 92.00 92.00 84.00 84.00 82.00 72.00 62.00 55.00 92.00
1970 60.00 66.00 65.00 68.00 80.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 80.00
Period of Record Statistics
MEAN 55.13 60.30 65.55 73.20 81.68 83.89 87.15 87.36 83.61 74.21 60.84 56.50 91.29
S.D. 3.85 5.18 4.23 5.66 6.18 5.13 4.62 4.20 4.35 5.18 3.25 3.95 3.52
SKEW 0.99 -0.04 -0.31 0.22 0.00 0.35 -0.28 0.43 0.02 0.09 -0.27 0.73 -0.43
MAX 68.00 70.00 72.00 86.00 95.00 95.00 95.00 98.00 94.00 83.00 66.00 68.00 98.00
MIN 49.00 49.00 56.00 63.00 67.00 75.00 76.00 80.00 76.00 65.00 52.00 48.00 83.00
NO YRS 31 27 31 30 31 28 26 28 28 29 31 30 24