RESTON, OREGON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
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.) 8.00 6.66 5.63 3.68 2.08 0.92 0.22 0.60 1.37 3.25 8.66 8.82 49.89
Highest Precipitation (in.) 15.63 15.08 11.11 7.62 5.46 2.76 0.94 2.47 5.70 7.40 22.65 21.02 22.65
Year Highest Occurred 1995 1986 1983 1982 1998 1995 1995 1983 1986 1975 1973 1981 1973
Lowest Precipitation (in.) 0.47 1.73 1.83 0.82 0.01 0.00 0.00 0.00 0.00 0.09 1.14 1.08 0.00
Year Lowest Occurred 1985 1988 1992 1977 1992 1999 1999 2000 1999 1988 1976 1976 1999
Heating Degree Days (F)
Cooling Degree Days (F)

Western Regional Climate Center, wrcc@dri.edu