PENDLETON E OR RGNL AP, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 40.1 46.5 54.8 62.2 70.2 78.7 87.7 86.6 77.1 63.8 48.5 40.0 63.0
Highest Mean Max. Temperature (F) 49.0 53.6 59.6 70.3 78.1 85.3 93.7 91.5 84.0 72.0 54.5 46.4 93.7
Year Highest Occurred 1994 1991 1994 1977 1992 1974 1985 1986 1990 1988 1995 1980 1985
Lowest Mean Max. Temperature (F) 20.9 33.5 49.2 56.6 64.8 71.9 77.9 78.3 69.1 59.6 34.1 23.9 20.9
Year Lowest Occurred 1979 1989 1971 1975 1991 1991 1993 1976 1985 2000 1985 1985 1979
Mean Temperature (F) 33.8 38.7 45.1 51.0 58.1 65.4 72.6 72.0 63.4 52.3 41.2 33.9 52.3
Highest Mean Temperature (F) 41.2 45.1 49.2 55.8 62.9 70.9 77.9 76.4 68.8 58.8 46.4 40.8 77.9
Year Highest Occurred 1994 1991 1986 1977 1992 1992 1985 1986 1990 1988 1995 1973 1985
Lowest Mean Temperature (F) 15.5 25.4 40.1 47.0 54.1 60.1 65.9 67.0 57.6 49.6 26.8 19.7 15.5
Year Lowest Occurred 1979 1989 1971 1975 1999 1991 1993 1976 1985 1984 1985 1985 1979
Mean Min. Temperature (F) 27.4 30.9 35.4 39.7 45.9 52.0 57.5 57.3 49.7 40.7 33.8 27.7 41.5
Highest Mean Min. Temperature (F) 34.3 36.5 39.7 43.4 49.9 56.8 63.7 61.3 54.0 45.6 38.8 35.2 63.7
Year Highest Occurred 1999 1991 1986 1990 1993 1992 1975 1971 1998 1988 1983 1973 1975
Lowest Mean Min. Temperature (F) 10.1 17.3 31.1 34.7 41.5 48.3 53.5 52.2 46.0 37.0 19.4 15.5 10.1
Year Lowest Occurred 1979 1989 1971 1999 1999 1991 1999 1995 1985 1999 1985 1985 1979
Mean Precipitation (in.) 1.45 1.22 1.26 1.13 1.22 0.78 0.41 0.56 0.63 0.99 1.63 1.48 12.76
Highest Precipitation (in.) 3.53 2.98 2.82 2.78 3.18 2.31 1.45 2.58 2.10 2.67 3.76 4.68 4.68
Year Highest Occurred 1975 2000 1983 1978 1991 1995 1993 1977 1985 1982 1973 1973 1973
Lowest Precipitation (in.) 0.41 0.12 0.26 0.18 0.07 0.03 0.00 0.00 0.00 0.00 0.19 0.21 0.00
Year Lowest Occurred 1992 1988 1992 1977 1992 1986 1999 2000 1993 1987 1976 1989 1999
Heating Degree Days (F) 971. 747. 623. 433. 247. 83. 14. 15. 115. 400. 711. 962. 5321.
Cooling Degree Days (F) 0. 0. 0. 2. 23. 86. 243. 224. 63. 3. 0. 0. 644.

Western Regional Climate Center, wrcc@dri.edu