PORTLAND WSFO, OREGON

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(356751)

File last updated on Apr 4, 2013
*** Note *** Provisional Data *** After Year/Month 201303
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
1941 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 66.00 60.00 66.00
1942 54.00 55.00 74.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 59.00 57.00 74.00
1943 52.00 63.00 63.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 62.00 57.00 63.00
1944 55.00 57.00 68.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 60.00 58.00 68.00
1945 62.00 60.00 61.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 59.00 64.00 64.00
1946 55.00 58.00 69.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 58.00 57.00 69.00
1947 58.00 62.00 80.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 63.00 55.00 80.00
1948 52.00 65.00 72.00 ----- z ----- z ----- z ----- z ----- z 94.00 73.00 a 55.00 52.00 94.00
1949 44.00 62.00 61.00 75.00 86.00 87.00 93.00 93.00 91.00 68.00 68.00 56.00 93.00
1950 48.00 61.00 62.00 77.00 85.00 88.00 90.00 95.00 91.00 72.00 60.00 64.00 95.00
1951 58.00 62.00 63.00 81.00 85.00 97.00 93.00 94.00 91.00 79.00 64.00 51.00 97.00
1952 57.00 59.00 65.00 76.00 87.00 83.00 98.00 99.00 96.00 89.00 62.00 56.00 99.00
1953 60.00 58.00 72.00 70.00 86.00 80.00 91.00 95.00 88.00 77.00 62.00 59.00 95.00
1954 58.00 60.00 63.00 73.00 86.00 82.00 82.00 82.00 83.00 72.00 69.00 54.00 86.00
1955 52.00 55.00 60.00 73.00 77.00 95.00 86.00 90.00 98.00 75.00 61.00 61.00 98.00
1956 57.00 50.00 70.00 84.00 89.00 81.00 102.00 93.00 85.00 81.00 59.00 58.00 102.00
1957 54.00 a 63.00 62.00 87.00 83.00 79.00 87.00 86.00 92.00 72.00 60.00 58.00 92.00
1958 62.00 66.00 67.00 77.00 89.00 95.00 102.00 95.00 97.00 84.00 63.00 62.00 102.00
1959 57.00 61.00 65.00 77.00 83.00 86.00 98.00 88.00 89.00 73.00 63.00 59.00 98.00
1960 58.00 57.00 73.00 77.00 79.00 86.00 97.00 100.00 89.00 78.00 61.00 54.00 100.00
1961 59.00 60.00 b 65.00 71.00 91.00 94.00 104.00 98.00 83.00 80.00 61.00 59.00 104.00
1962 59.00 61.00 69.00 80.00 70.00 85.00 92.00 87.00 93.00 75.00 67.00 58.00 93.00
1963 55.00 65.00 67.00 70.00 91.00 90.00 83.00 93.00 89.00 74.00 59.00 52.00 93.00
1964 53.00 60.00 74.00 67.00 84.00 83.00 89.00 94.00 81.00 80.00 56.00 59.00 94.00
1965 55.00 61.00 72.00 80.00 78.00 93.00 107.00 91.00 88.00 82.00 63.00 60.00 107.00
1966 55.00 60.00 74.00 75.00 87.00 95.00 89.00 93.00 91.00 81.00 66.00 58.00 95.00
1967 58.00 62.00 61.00 66.00 87.00 91.00 99.00 102.00 94.00 73.00 63.00 58.00 102.00
1968 56.00 70.00 67.00 81.00 79.00 93.00 99.00 92.00 92.00 72.00 62.00 52.00 99.00
1969 53.00 57.00 73.00 72.00 88.00 97.00 91.00 88.00 92.00 74.00 70.00 56.00 97.00
1970 61.00 64.00 65.00 66.00 86.00 98.00 102.00 97.00 88.00 90.00 69.00 59.00 102.00
1971 60.00 62.00 65.00 76.00 91.00 90.00 97.00 101.00 82.00 82.00 60.00 55.00 101.00
1972 58.00 62.00 72.00 78.00 92.00 88.00 97.00 104.00 97.00 78.00 63.00 61.00 104.00
1973 59.00 63.00 68.00 74.00 92.00 93.00 99.00 94.00 97.00 70.00 58.00 56.00 99.00
1974 62.00 56.00 70.00 75.00 78.00 90.00 94.00 95.00 96.00 81.00 66.00 60.00 96.00
1975 59.00 64.00 63.00 72.00 88.00 90.00 95.00 87.00 92.00 86.00 73.00 60.00 95.00
1976 58.00 60.00 66.00 82.00 84.00 89.00 92.00 86.00 87.00 82.00 68.00 54.00 92.00
1977 56.00 68.00 64.00 79.00 76.00 88.00 93.00 105.00 88.00 72.00 63.00 61.00 105.00
1978 55.00 64.00 71.00 74.00 84.00 91.00 98.00 101.00 80.00 78.00 61.00 54.00 101.00
1979 49.00 57.00 73.00 83.00 88.00 92.00 104.00 88.00 92.00 86.00 64.00 62.00 104.00
1980 55.00 59.00 64.00 81.00 79.00 80.00 101.00 95.00 93.00 90.00 69.00 64.00 101.00
1981 60.00 64.00 67.00 79.00 82.00 87.00 95.00 107.00 99.00 72.00 67.00 57.00 107.00
1982 55.00 65.00 73.00 79.00 85.00 100.00 91.00 99.00 91.00 76.00 62.00 60.00 100.00
1983 58.00 63.00 67.00 78.00 100.00 88.00 93.00 91.00 80.00 72.00 62.00 55.00 100.00
1984 62.00 58.00 68.00 79.00 86.00 87.00 100.00 95.00 85.00 82.00 61.00 51.00 100.00
1985 53.00 61.00 66.00 79.00 88.00 96.00 101.00 93.00 82.00 78.00 65.00 48.00 101.00
1986 63.00 68.00 70.00 78.00 92.00 96.00 88.00 100.00 91.00 77.00 64.00 53.00 100.00
1987 55.00 61.00 71.00 86.00 93.00 95.00 93.00 102.00 94.00 92.00 68.00 60.00 102.00
1988 58.00 71.00 71.00 80.00 88.00 89.00 100.00 101.00 105.00 91.00 63.00 60.00 105.00
1989 60.00 54.00 64.00 81.00 80.00 93.00 87.00 87.00 92.00 78.00 65.00 61.00 93.00
1990 61.00 64.00 71.00 82.00 86.00 93.00 99.00 101.00 93.00 72.00 63.00 55.00 101.00
1991 62.00 67.00 71.00 78.00 75.00 83.00 100.00 92.00 94.00 86.00 63.00 54.00 100.00
1992 60.00 64.00 71.00 80.00 93.00 100.00 101.00 101.00 86.00 75.00 59.00 52.00 101.00
1993 59.00 58.00 67.00 70.00 87.00 86.00 85.00 97.00 93.00 84.00 62.00 65.00 97.00
1994 57.00 55.00 77.00 76.00 85.00 84.00 103.00 93.00 93.00 78.00 56.00 59.00 103.00
1995 62.00 67.00 72.00 79.00 87.00 97.00 99.00 92.00 92.00 75.00 67.00 63.00 99.00
1996 58.00 63.00 69.00 79.00 79.00 93.00 100.00 98.00 85.00 83.00 63.00 58.00 100.00
1997 57.00 62.00 72.00 73.00 89.00 82.00 94.00 93.00 92.00 72.00 65.00 54.00 94.00
1998 56.00 59.00 70.00 90.00 85.00 87.00 101.00 98.00 93.00 77.00 62.00 57.00 101.00
1999 57.00 55.00 72.00 79.00 89.00 87.00 92.00 91.00 93.00 77.00 71.00 58.00 93.00
2000 51.00 57.00 70.00 76.00 80.00 98.00 a 92.00 89.00 89.00 76.00 61.00 57.00 98.00
2001 57.00 59.00 69.00 82.00 89.00 b 87.00 90.00 98.00 86.00 80.00 67.00 57.00 98.00
2002 60.00 64.00 62.00 76.00 83.00 97.00 98.00 102.00 88.00 80.00 63.00 60.00 102.00
2003 62.00 60.00 72.00 a 69.00 87.00 98.00 100.00 94.00 95.00 81.00 61.00 54.00 100.00
2004 57.00 57.00 75.00 86.00 82.00 91.00 103.00 99.00 80.00 81.00 59.00 61.00 103.00
2005 66.00 65.00 75.00 75.00 95.00 83.00 93.00 96.00 85.00 73.00 60.00 62.00 96.00
2006 58.00 57.00 66.00 81.00 93.00 102.00 104.00 94.00 95.00 78.00 68.00 60.00 104.00
2007 58.00 61.00 71.00 78.00 90.00 88.00 102.00 94.00 93.00 75.00 63.00 62.00 102.00
2008 55.00 63.00 65.00 78.00 95.00 100.00 93.00 102.00 91.00 73.00 64.00 57.00 102.00
2009 56.00 59.00 61.00 83.00 88.00 90.00 106.00 97.00 94.00 71.00 64.00 53.00 106.00
2010 58.00 60.00 70.00 73.00 76.00 83.00 97.00 98.00 88.00 80.00 69.00 61.00 98.00
2011 59.00 57.00 63.00 71.00 74.00 86.00 87.00 96.00 93.00 74.00 60.00 57.00 96.00
2012 56.00 57.00 66.00 82.00 88.00 85.00 88.00 102.00 95.00 82.00 66.00 57.00 102.00
2013 55.00 61.00 77.00 64.00 z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 77.00
Period of Record Statistics
MEAN 57.07 60.90 68.39 77.25 85.58 90.00 95.61 95.20 90.52 78.15 63.17 57.61 99.14
S.D. 3.67 3.90 4.50 5.01 5.70 5.75 5.95 5.26 5.03 5.55 3.70 3.55 4.18
SKEW -0.69 0.09 0.08 -0.13 -0.33 0.09 -0.26 -0.12 -0.20 0.61 0.30 -0.23 -0.51
MAX 66.00 71.00 80.00 90.00 100.00 102.00 107.00 107.00 105.00 92.00 73.00 65.00 107.00
MIN 44.00 50.00 60.00 66.00 70.00 79.00 82.00 82.00 80.00 68.00 55.00 48.00 86.00
NO YRS 72 72 72 64 64 64 64 64 65 65 72 72 64