VANCOUVER 4 NNE, WASHINGTON

NCDC 1971-2000 Monthly Normals

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Monthly
Mean Max. Temperature (F) 45.6 49.9 55.0 59.8 66.0 71.3 77.3 78.1 73.6 63.4 51.8 45.5 61.4
Highest Mean Max. Temperature (F) 51.7 57.0 62.7 64.5 73.4 77.7 84.7 83.7 78.7 71.3 57.0 49.5 84.7
Year Highest Occurred 1981 1991 1992 1989 1992 1992 1985 1986 1974 1987 1997 1999 1985
Lowest Mean Max. Temperature (F) 36.6 42.6 49.2 53.7 60.7 66.1 71.4 70.6 67.2 57.9 43.3 39.0 36.6
Year Lowest Occurred 1979 1989 1971 1975 1977 1980 1993 1976 1978 1984 1985 1983 1979
Mean Temperature (F) 39.0 42.0 46.2 50.1 55.8 60.7 65.4 65.5 60.8 52.4 44.7 39.4 51.8
Highest Mean Temperature (F) 43.3 47.3 50.2 53.8 59.8 64.3 69.0 69.2 64.9 56.7 49.3 43.9 69.2
Year Highest Occurred 1994 1991 1986 1989 1997 1992 1996 1986 1995 1988 1995 1973 1986
Lowest Mean Temperature (F) 29.0 34.9 42.4 44.9 52.3 57.0 62.1 60.9 57.0 50.3 36.7 32.7 29.0
Year Lowest Occurred 1979 1989 1971 1975 1977 1976 1993 1975 1985 1984 1985 1985 1979
Mean Min. Temperature (F) 32.4 34.1 37.3 40.3 45.5 50.0 53.5 52.8 47.9 41.4 37.6 33.3 42.2
Highest Mean Min. Temperature (F) 37.3 39.0 41.6 43.2 48.9 52.6 57.9 55.8 53.4 46.9 42.3 39.1 57.9
Year Highest Occurred 1994 1983 1983 1990 1993 1990 1998 1990 1995 1988 1999 1973 1998
Lowest Mean Min. Temperature (F) 21.4 27.2 34.3 36.0 43.1 46.5 51.1 49.5 43.8 38.1 29.5 23.9 21.4
Year Lowest Occurred 1979 1989 1985 1975 1982 1976 1976 1985 1999 1994 1978 1985 1979
Mean Precipitation (in.) 5.81 4.86 4.21 3.07 2.64 1.73 0.80 1.07 1.78 3.28 6.29 6.38 41.92
Highest Precipitation (in.) 9.27 10.58 7.16 7.72 6.18 4.02 3.75 3.66 4.44 7.37 12.92 13.26 13.26
Year Highest Occurred 1997 1996 1989 1993 1998 1984 1983 1976 1986 1997 1973 1996 1996
Lowest Precipitation (in.) 0.29 0.81 1.83 0.97 0.17 0.46 0.00 0.00 0.00 0.25 1.13 1.64 0.00
Year Lowest Occurred 1985 1993 1978 1977 1992 1987 1994 1998 1993 1988 1976 1976 1994
Heating Degree Days (F) 805. 643. 585. 449. 289. 148. 62. 65. 151. 391. 608. 794. 4990.
Cooling Degree Days (F) 0. 0. 0. 0. 3. 17. 75. 78. 24. 0. 0. 0. 197.

Western Regional Climate Center, wrcc@dri.edu