WATERLOO, OREGON

NCDC 1961-1990 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Mean Max. Temperature (F)
Highest Mean Max. Temperature (F)
Year Highest Occurred
Lowest Mean Max. Temperature (F)
Year Lowest Occurred
Mean Temperature (F)
Highest Mean Temperature (F)
Year Highest Occurred
Lowest Mean Temperature (F)
Year Lowest Occurred
Mean Min. Temperature (F)
Highest Mean Min. Temperature (F)
Year Highest Occurred
Lowest Mean Min. Temperature (F)
Year Lowest Occurred
Mean Precipitation (in.) 6.32 5.05 4.93 3.11 2.52 1.83 0.60 1.20 1.70 3.46 7.01 6.96 44.69
Highest Precipitation (in.) 11.77 11.92 8.82 6.57 4.84 5.07 2.84 5.52 4.57 7.38 16.35 15.48 55.82
Year Highest Occurred 1964 1961 1974 1972 1963 1984 1983 1968 1986 1979 1973 1964 1971
Lowest Precipitation (in.) 0.59 1.35 0.75 1.02 0.53 0.41 0.00 0.00 0.00 0.15 2.22 1.77 33.33
Year Lowest Occurred 1985 1988 1965 1966 1985 1965 1973 1988 1975 1987 1976 1976 1985
Heating Degree Days (F)
Cooling Degree Days (F)

Western Regional Climate Center, wrcc@dri.edu