PORTLAND WSO CITY, OREGON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(356761)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 197306
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
1928 59.00 60.00 76.00 74.00 93.00 86.00 99.00 88.00 90.00 74.00 61.00 59.00 99.00
1929 51.00 52.00 66.00 75.00 82.00 89.00 93.00 95.00 87.00 80.00 67.00 59.00 95.00
1930 54.00 63.00 83.00 77.00 78.00 94.00 92.00 96.00 97.00 69.00 69.00 55.00 97.00
1931 64.00 58.00 65.00 86.00 93.00 91.00 101.00 96.00 89.00 79.00 67.00 59.00 101.00
1932 54.00 68.00 67.00 75.00 81.00 91.00 86.00 95.00 91.00 86.00 67.00 57.00 95.00
1933 58.00 58.00 63.00 76.00 80.00 91.00 94.00 102.00 82.00 81.00 62.00 60.00 102.00
1934 59.00 62.00 76.00 90.00 90.00 88.00 88.00 95.00 95.00 85.00 68.00 57.00 95.00
1935 65.00 58.00 62.00 75.00 83.00 96.00 105.00 100.00 93.00 81.00 55.00 55.00 105.00
1936 55.00 56.00 67.00 85.00 89.00 85.00 88.00 97.00 88.00 88.00 64.00 58.00 97.00
1937 44.00 60.00 66.00 67.00 84.00 92.00 89.00 92.00 97.00 79.00 63.00 60.00 97.00
1938 56.00 57.00 69.00 75.00 89.00 92.00 101.00 86.00 95.00 78.00 57.00 61.00 101.00
1939 58.00 53.00 76.00 84.00 96.00 86.00 98.00 100.00 88.00 80.00 66.00 62.00 100.00
1940 60.00 59.00 72.00 82.00 89.00 97.00 94.00 99.00 88.00 80.00 61.00 63.00 99.00
1941 58.00 61.00 76.00 82.00 89.00 98.00 103.00 96.00 78.00 72.00 68.00 62.00 103.00
1942 56.00 56.00 77.00 79.00 81.00 102.00 107.00 97.00 91.00 80.00 60.00 57.00 107.00
1943 54.00 64.00 63.00 85.00 84.00 88.00 91.00 88.00 92.00 83.00 62.00 57.00 92.00
1944 55.00 58.00 69.00 81.00 88.00 89.00 102.00 94.00 102.00 78.00 59.00 59.00 102.00
1945 61.00 59.00 64.00 74.00 89.00 90.00 94.00 98.00 92.00 85.00 60.00 65.00 98.00
1946 56.00 62.00 68.00 79.00 85.00 88.00 103.00 93.00 84.00 70.00 59.00 59.00 103.00
1947 58.00 62.00 78.00 86.00 93.00 85.00 91.00 87.00 92.00 76.00 62.00 59.00 93.00
1948 54.00 65.00 72.00 69.00 85.00 93.00 92.00 85.00 94.00 75.00 58.00 a 54.00 94.00
1949 46.00 a 63.00 64.00 76.00 a 88.00 89.00 94.00 a 95.00 91.00 69.00 a 71.00 56.00 95.00
1950 54.00 62.00 62.00 78.00 85.00 91.00 91.00 97.00 91.00 75.00 62.00 64.00 97.00
1951 58.00 63.00 64.00 83.00 87.00 97.00 94.00 96.00 92.00 81.00 62.00 53.00 97.00
1952 56.00 61.00 66.00 79.00 88.00 85.00 101.00 101.00 96.00 90.00 60.00 60.00 101.00
1953 59.00 58.00 71.00 72.00 89.00 82.00 92.00 96.00 92.00 79.00 65.00 58.00 96.00
1954 59.00 63.00 63.00 76.00 86.00 85.00 81.00 83.00 84.00 72.00 69.00 54.00 86.00
1955 52.00 55.00 62.00 74.00 79.00 97.00 87.00 92.00 96.00 75.00 64.00 61.00 97.00
1956 57.00 a 51.00 69.00 85.00 94.00 82.00 106.00 a 96.00 86.00 79.00 61.00 59.00 a 106.00
1957 54.00 63.00 64.00 91.00 85.00 83.00 87.00 87.00 a 94.00 75.00 61.00 58.00 94.00
1958 62.00 67.00 65.00 78.00 90.00 97.00 104.00 96.00 99.00 85.00 63.00 63.00 104.00
1959 57.00 62.00 68.00 79.00 84.00 88.00 98.00 89.00 88.00 74.00 66.00 60.00 98.00
1960 59.00 a 58.00 f 76.00 80.00 80.00 86.00 99.00 99.00 89.00 78.00 63.00 57.00 99.00
1961 59.00 61.00 66.00 74.00 89.00 97.00 105.00 100.00 83.00 82.00 60.00 59.00 105.00
1962 60.00 62.00 71.00 81.00 68.00 86.00 93.00 a 89.00 91.00 77.00 67.00 60.00 93.00
1963 55.00 68.00 70.00 75.00 94.00 93.00 84.00 92.00 91.00 76.00 60.00 59.00 94.00
1964 59.00 63.00 77.00 71.00 88.00 86.00 ----- z 93.00 84.00 82.00 59.00 61.00 93.00
1965 55.00 62.00 72.00 82.00 82.00 92.00 103.00 92.00 87.00 83.00 64.00 59.00 103.00
1966 55.00 61.00 75.00 83.00 86.00 95.00 87.00 95.00 90.00 83.00 69.00 60.00 95.00
1967 58.00 65.00 62.00 69.00 89.00 92.00 95.00 105.00 96.00 75.00 63.00 58.00 105.00
1968 61.00 75.00 69.00 85.00 83.00 96.00 98.00 92.00 93.00 75.00 64.00 53.00 98.00
1969 56.00 56.00 77.00 74.00 92.00 96.00 91.00 89.00 89.00 74.00 70.00 57.00 96.00
1970 60.00 65.00 66.00 67.00 87.00 100.00 102.00 95.00 86.00 89.00 68.00 58.00 102.00
1971 60.00 62.00 66.00 78.00 93.00 91.00 97.00 99.00 84.00 86.00 59.00 53.00 99.00
1972 55.00 61.00 75.00 79.00 98.00 85.00 96.00 102.00 94.00 78.00 62.00 60.00 102.00
1973 60.00 62.00 70.00 74.00 94.00 94.00 ----- z ----- z ----- z ----- z ----- z ----- z 94.00
Period of Record Statistics
MEAN 56.85 60.93 69.24 78.24 86.93 90.78 95.36 94.42 90.47 78.91 63.27 58.60 98.56
S.D. 3.89 4.39 5.42 5.65 5.53 5.01 6.52 4.96 4.85 5.15 3.81 2.82 4.43
SKEW -0.94 0.28 0.49 0.10 -0.70 0.16 -0.06 -0.29 -0.16 0.12 0.17 -0.13 -0.20
MAX 65.00 75.00 83.00 91.00 98.00 102.00 107.00 105.00 102.00 90.00 71.00 65.00 107.00
MIN 44.00 51.00 62.00 67.00 68.00 82.00 81.00 83.00 78.00 69.00 55.00 53.00 86.00
NO YRS 46 45 46 46 46 46 44 45 45 45 45 45 43