SEATTLE UNIV OF WASH,

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(457478)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 198307
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
1909 53.00 c 53.00 59.00 67.00 a 76.00 c 86.00 78.00 83.00 85.00 73.00 58.00 51.00 86.00
1910 52.00 50.00 a 70.00 83.00 a 77.00 85.00 88.00 81.00 74.00 f 66.00 55.00 54.00 88.00
1911 48.00 49.00 c 60.00 72.00 77.00 77.00 94.00 80.00 77.00 64.00 n 56.00 50.00 94.00
1912 58.00 54.00 66.00 63.00 90.00 84.00 89.00 79.00 83.00 66.00 58.00 49.00 90.00
1913 46.00 53.00 53.00 67.00 69.00 76.00 86.00 89.00 78.00 63.00 57.00 49.00 f 89.00
1914 62.00 49.00 57.00 c 66.00 a 79.00 84.00 d ----- z 83.00 a 73.00 69.00 60.00 a ----- z 84.00
1915 55.00 d 62.00 73.00 74.00 88.00 86.00 92.00 90.00 78.00 70.00 52.00 59.00 92.00
1916 54.00 59.00 66.00 68.00 75.00 84.00 82.00 91.00 78.00 70.00 57.00 52.00 91.00
1917 53.00 54.00 61.00 65.00 70.00 90.00 85.00 86.00 77.00 75.00 69.00 59.00 90.00
1918 62.00 53.00 66.00 74.00 ----- z 83.00 86.00 88.00 84.00 68.00 60.00 57.00 88.00
1919 55.00 52.00 74.00 75.00 78.00 ----- z ----- z ----- z 83.00 a 70.00 d 60.00 57.00 83.00
1920 54.00 50.00 58.00 66.00 79.00 81.00 g 91.00 84.00 79.00 ----- z 59.00 55.00 91.00
1921 54.00 g 65.00 61.00 74.00 76.00 78.00 79.00 82.00 74.00 74.00 64.00 57.00 82.00
1922 50.00 56.00 59.00 72.00 92.00 92.00 91.00 84.00 83.00 74.00 58.00 58.00 92.00
1923 59.00 d 56.00 73.00 81.00 78.00 86.00 90.00 89.00 a 82.00 82.00 a 62.00 54.00 90.00
1924 57.00 a 58.00 58.00 79.00 85.00 b 88.00 86.00 83.00 92.00 68.00 58.00 58.00 92.00
1925 55.00 56.00 63.00 76.00 84.00 99.00 85.00 84.00 85.00 69.00 63.00 58.00 99.00
1926 55.00 58.00 70.00 84.00 85.00 89.00 93.00 82.00 80.00 72.00 63.00 59.00 93.00
1927 56.00 56.00 59.00 75.00 74.00 85.00 90.00 89.00 81.00 71.00 59.00 56.00 90.00
1928 58.00 58.00 77.00 72.00 83.00 81.00 91.00 81.00 82.00 70.00 61.00 54.00 91.00
1929 46.00 50.00 61.00 67.00 78.00 81.00 84.00 c 85.00 88.00 76.00 d 59.00 57.00 a 88.00
1930 51.00 62.00 68.00 74.00 72.00 89.00 90.00 86.00 82.00 66.00 65.00 a 54.00 90.00
1931 68.00 63.00 66.00 ----- z ----- z 88.00 92.00 96.00 79.00 72.00 62.00 54.00 a 96.00
1932 51.00 a 64.00 65.00 72.00 78.00 90.00 81.00 90.00 86.00 88.00 65.00 55.00 90.00
1933 54.00 54.00 63.00 74.00 74.00 82.00 87.00 92.00 78.00 a 77.00 58.00 57.00 92.00
1934 56.00 64.00 75.00 88.00 87.00 88.00 83.00 88.00 88.00 82.00 62.00 55.00 88.00
1935 68.00 63.00 62.00 73.00 79.00 90.00 93.00 89.00 87.00 78.00 55.00 57.00 93.00
1936 55.00 51.00 63.00 75.00 88.00 80.00 83.00 94.00 83.00 83.00 67.00 58.00 94.00
1937 44.00 64.00 69.00 67.00 80.00 88.00 87.00 88.00 91.00 80.00 67.00 55.00 91.00
1938 57.00 71.00 67.00 74.00 81.00 84.00 91.00 80.00 89.00 74.00 58.00 58.00 91.00
1939 55.00 53.00 73.00 78.00 85.00 79.00 c 94.00 92.00 80.00 72.00 65.00 65.00 94.00
1940 64.00 a 64.00 66.00 81.00 79.00 91.00 82.00 85.00 a 85.00 78.00 60.00 62.00 a 91.00
1941 58.00 a 64.00 71.00 82.00 80.00 89.00 98.00 88.00 74.00 70.00 65.00 59.00 98.00
1942 63.00 56.00 72.00 b 74.00 78.00 83.00 97.00 94.00 81.00 80.00 a 62.00 57.00 a 97.00
1943 55.00 66.00 59.00 77.00 a 75.00 84.00 88.00 a 88.00 c 88.00 79.00 60.00 57.00 88.00
1944 60.00 59.00 63.00 79.00 88.00 87.00 a 96.00 95.00 a 96.00 75.00 60.00 59.00 96.00
1945 62.00 59.00 60.00 a 69.00 88.00 88.00 90.00 88.00 84.00 78.00 59.00 59.00 90.00
1946 57.00 62.00 65.00 71.00 83.00 a 81.00 92.00 85.00 d 87.00 65.00 b 58.00 g 58.00 h 92.00
1947 50.00 ----- z 70.00 88.00 c 86.00 81.00 83.00 87.00 f ----- z ----- z 59.00 59.00 88.00
1948 53.00 58.00 71.00 70.00 82.00 89.00 88.00 81.00 84.00 76.00 54.00 49.00 89.00
1949 50.00 65.00 65.00 77.00 82.00 87.00 91.00 a 93.00 87.00 65.00 67.00 57.00 93.00
1950 50.00 59.00 56.00 75.00 81.00 85.00 87.00 91.00 87.00 67.00 67.00 60.00 91.00
1951 57.00 58.00 64.00 79.00 82.00 95.00 98.00 89.00 89.00 83.00 59.00 55.00 98.00
1952 60.00 62.00 60.00 73.00 82.00 79.00 g 91.00 a 93.00 90.00 80.00 64.00 58.00 93.00
1953 56.00 55.00 67.00 a 67.00 90.00 77.00 93.00 89.00 86.00 78.00 65.00 54.00 93.00
1954 55.00 60.00 62.00 71.00 78.00 e 77.00 79.00 82.00 75.00 78.00 66.00 57.00 82.00
1955 54.00 55.00 64.00 73.00 73.00 98.00 87.00 88.00 87.00 72.00 c 59.00 54.00 98.00
1956 55.00 50.00 64.00 74.00 88.00 80.00 96.00 89.00 89.00 73.00 d 64.00 58.00 96.00
1957 52.00 59.00 67.00 75.00 83.00 80.00 f ----- z ----- z 87.00 h 78.00 g 61.00 61.00 a 87.00
1958 52.00 z 63.00 62.00 a 74.00 85.00 a 92.00 c 96.00 a 86.00 c 83.00 f 76.00 d 62.00 h ----- z 96.00
1959 54.00 a 57.00 c 62.00 a 75.00 83.00 86.00 91.00 f 90.00 a 75.00 a 65.00 59.00 54.00 91.00
1960 63.00 62.00 68.00 70.00 78.00 80.00 92.00 96.00 a 79.00 67.00 e 64.00 a 54.00 q 96.00
1961 59.00 f 54.00 59.00 d ----- z 86.00 q 85.00 h 95.00 n 90.00 i 88.00 k 73.00 e 61.00 e 53.00 p 95.00
1962 55.00 b 62.00 68.00 k 77.00 69.00 79.00 h 87.00 e 87.00 i 82.00 h 72.00 61.00 b 56.00 87.00
1963 51.00 68.00 65.00 c 68.00 93.00 87.00 b 77.00 c 80.00 a 84.00 d 73.00 d 58.00 54.00 c 93.00
1964 ----- z ----- z 69.00 a 67.00 89.00 84.00 a ----- z ----- z 76.00 71.00 54.00 i 55.00 89.00
1965 54.00 58.00 71.00 78.00 76.00 83.00 95.00 95.00 81.00 72.00 65.00 60.00 95.00
1966 56.00 63.00 68.00 a 75.00 81.00 87.00 87.00 90.00 82.00 79.00 61.00 55.00 90.00
1967 57.00 60.00 59.00 66.00 83.00 91.00 90.00 97.00 92.00 72.00 61.00 55.00 97.00
1968 58.00 71.00 69.00 76.00 80.00 83.00 92.00 92.00 83.00 73.00 60.00 55.00 92.00
1969 54.00 56.00 70.00 70.00 87.00 96.00 87.00 84.00 83.00 74.00 68.00 56.00 96.00
1970 57.00 67.00 63.00 67.00 82.00 96.00 91.00 87.00 82.00 b 77.00 74.00 52.00 96.00
1971 57.00 56.00 60.00 76.00 90.00 83.00 97.00 97.00 82.00 75.00 58.00 51.00 97.00
1972 52.00 60.00 67.00 78.00 93.00 80.00 96.00 98.00 89.00 76.00 60.00 56.00 98.00
1973 58.00 67.00 65.00 69.00 92.00 86.00 90.00 86.00 91.00 70.00 60.00 57.00 92.00
1974 57.00 55.00 60.00 74.00 71.00 85.00 89.00 92.00 91.00 73.00 61.00 58.00 92.00
1975 57.00 58.00 60.00 66.00 82.00 89.00 89.00 85.00 87.00 82.00 69.00 59.00 89.00
1976 60.00 60.00 61.00 77.00 86.00 85.00 85.00 82.00 87.00 76.00 65.00 60.00 87.00
1977 57.00 68.00 60.00 78.00 72.00 87.00 87.00 96.00 78.00 71.00 59.00 58.00 96.00
1978 57.00 61.00 67.00 71.00 86.00 92.00 f 95.00 a 96.00 75.00 74.00 60.00 51.00 a 96.00
1979 53.00 58.00 73.00 79.00 d 82.00 92.00 ----- z 83.00 m 98.00 83.00 62.00 56.00 98.00
1980 54.00 a 59.00 63.00 82.00 82.00 78.00 c 88.00 87.00 83.00 87.00 73.00 65.00 88.00
1981 63.00 a 64.00 68.00 77.00 b 80.00 83.00 90.00 103.00 98.00 68.00 72.00 54.00 103.00
1982 55.00 61.00 65.00 82.00 84.00 96.00 89.00 91.00 90.00 73.00 60.00 58.00 96.00
1983 58.00 64.00 64.00 76.00 96.00 83.00 89.00 ----- z ----- z ----- z ----- z ----- z 96.00
Period of Record Statistics
MEAN 55.70 58.95 64.85 73.95 81.62 85.82 89.04 88.30 83.82 73.81 61.61 56.35 92.80
S.D. 4.55 5.28 5.04 5.42 6.09 5.24 4.90 5.26 5.70 5.45 4.30 3.18 3.82
SKEW 0.21 0.08 0.21 0.28 0.03 0.39 -0.34 0.32 0.27 0.36 0.68 0.04 0.09
MAX 68.00 71.00 77.00 88.00 96.00 99.00 98.00 103.00 98.00 88.00 74.00 65.00 103.00
MIN 44.00 49.00 53.00 63.00 69.00 76.00 77.00 79.00 73.00 63.00 52.00 49.00 82.00
NO YRS 71 73 74 73 72 68 68 67 68 70 71 68 49