ASTORIA RGNL AP, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F) 47.8 51.0 53.2 56.0 60.1 64.1 67.5 68.8 67.8 61.1 53.5 48.2 58.3
Highest Mean Max. Temperature (F) 55.2 56.1 58.3 61.2 63.2 68.2 71.0 73.3 72.4 66.1 56.9 53.2 60.3
Year Highest Occurred 1981 1983 1965 1989 1983 1961 1972 1972 1989 1987 1980 1979 1981
Lowest Mean Max. Temperature (F) 39.7 44.3 49.5 52.8 53.7 60.0 62.8 64.6 64.2 56.5 45.2 42.6 56.2
Year Lowest Occurred 1969 1989 1971 1964 1962 1964 1963 1980 1986 1975 1985 1990 1964
Mean Temperature (F) 41.9 44.2 45.7 48.2 52.5 56.9 60.0 60.7 58.4 52.6 46.9 42.4 50.9
Highest Mean Temperature (F) 48.2 50.2 50.9 51.5 55.7 59.8 62.4 63.2 61.4 55.5 50.1 47.5 52.7
Year Highest Occurred 1981 1983 1983 1989 1983 1983 1979 1972 1979 1988 1980 1980 1981
Lowest Mean Temperature (F) 34.3 37.1 42.4 44.4 49.1 54.4 57.3 57.3 55.7 50.3 39.2 36.9 48.8
Year Lowest Occurred 1969 1989 1971 1967 1962 1971 1963 1973 1986 1984 1985 1990 1985
Mean Min. Temperature (F) 35.9 37.3 38.1 40.3 44.8 49.5 52.4 52.6 49.0 44.0 40.2 36.6 43.4
Highest Mean Min. Temperature (F) 41.5 44.3 43.6 42.9 48.2 53.4 54.5 55.6 52.4 48.3 43.3 42.0 45.1
Year Highest Occurred 1983 1983 1983 1990 1983 1969 1990 1974 1976 1988 1989 1980 1981
Lowest Mean Min. Temperature (F) 28.7 29.8 34.7 35.6 42.1 46.8 50.2 48.9 46.2 40.4 33.1 30.8 40.8
Year Lowest Occurred 1979 1989 1985 1967 1966 1988 1977 1969 1970 1983 1985 1985 1985
Mean Precipitation (in.) 10.00 7.59 7.07 4.60 3.02 2.40 1.15 1.33 2.91 5.73 10.05 10.55 66.40
Highest Precipitation (in.) 18.50 21.89 10.73 7.74 6.00 5.47 4.39 5.22 6.93 12.56 16.75 15.93 87.39
Year Highest Occurred 1964 1961 1974 1970 1977 1981 1983 1968 1978 1975 1983 1970 1968
Lowest Precipitation (in.) 0.69 2.60 0.93 1.65 0.37 0.65 0.05 0.08 0.04 0.52 1.45 2.67 41.58
Year Lowest Occurred 1985 1973 1965 1977 1982 1987 1984 1970 1975 1987 1976 1985 1985
Heating Degree Days (F) 716. 582. 598. 504. 388. 243. 157. 141. 201. 384. 543. 701. 5158.
Cooling Degree Days (F) 0. 0. 0. 0. 0. 0. 0. 8. 0. 0. 0. 0. 8.
Western Regional Climate Center, wrcc@dri.edu