Station:(451400) CHIEF JOSEPH DAM | ||||||||||||||
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From Year=1949 To Year=2006 | ||||||||||||||
Precipitation | Total Snowfall | |||||||||||||
Mean | High | Year | Low | Year | 1 Day Max. | >= 0.01 in. |
>= 0.10 in. |
>= 0.50 in. |
>= 1.00 in. |
Mean | High | Year | ||
in. | in. | - | in. | - | in. | dd/yyyy or yyyymmdd |
# Days | # Days | # Days | # Days | in. | in. | - | |
January | 1.33 | 4.26 | 1995 | 0.02 | 1977 | 0.99 | 15/1968 | 9 | 4 | 0 | 0 | 7.4 | 22.5 | 1950 |
February | 1.03 | 4.23 | 1961 | 0.00 | 2005 | 1.00 | 03/1961 | 6 | 3 | 0 | 0 | 3.4 | 17.5 | 1989 |
March | 0.83 | 2.77 | 1995 | 0.05 | 1965 | 0.76 | 10/1995 | 6 | 3 | 0 | 0 | 1.2 | 9.5 | 1962 |
April | 0.63 | 1.67 | 1993 | 0.00 | 1954 | 0.79 | 14/1957 | 5 | 2 | 0 | 0 | 0.0 | 2.0 | 1955 |
May | 0.82 | 2.60 | 1990 | 0.01 | 1992 | 1.23 | 11/1967 | 6 | 3 | 0 | 0 | 0.0 | 0.0 | 1950 |
June | 0.84 | 2.45 | 1984 | 0.00 | 1960 | 1.24 | 21/1984 | 5 | 2 | 0 | 0 | 0.0 | 0.0 | 1950 |
July | 0.40 | 3.08 | 1993 | 0.00 | 1953 | 1.74 | 23/1992 | 3 | 1 | 0 | 0 | 0.0 | 0.0 | 1950 |
August | 0.40 | 2.24 | 1976 | 0.00 | 1950 | 1.14 | 29/1951 | 3 | 1 | 0 | 0 | 0.0 | 0.0 | 1950 |
September | 0.37 | 2.65 | 1986 | 0.00 | 1953 | 0.90 | 23/1973 | 3 | 1 | 0 | 0 | 0.0 | 0.0 | 1950 |
October | 0.60 | 2.04 | 1956 | 0.00 | 1952 | 1.01 | 27/1956 | 5 | 2 | 0 | 0 | 0.1 | 1.8 | 1971 |
November | 1.34 | 5.57 | 1983 | 0.05 | 1976 | 1.16 | 11/1983 | 9 | 4 | 0 | 0 | 2.2 | 13.8 | 1955 |
December | 1.64 | 5.18 | 1996 | 0.20 | 1989 | 1.10 | 29/1996 | 10 | 6 | 1 | 0 | 10.1 | 37.5 | 1996 |
Annual | 10.24 | 21.57 | 1983 | 5.61 | 1985 | 1.74 | 19920723 | 70 | 33 | 4 | 0 | 24.4 | 71.4 | 1996 |
Winter | 4.00 | 8.44 | 1983 | 1.36 | 1955 | 1.10 | 19961229 | 25 | 13 | 1 | 0 | 20.9 | 49.2 | 1997 |
Spring | 2.28 | 4.73 | 1983 | 0.52 | 1973 | 1.23 | 19670511 | 17 | 8 | 1 | 0 | 1.2 | 9.5 | 1962 |
Summer | 1.65 | 5.09 | 1993 | 0.20 | 1960 | 1.74 | 19920723 | 11 | 5 | 1 | 0 | 0.0 | 0.0 | 1950 |
Fall | 2.31 | 6.99 | 1983 | 0.31 | 1976 | 1.16 | 19831111 | 17 | 7 | 1 | 0 | 2.3 | 13.8 | 1955 |
Winter = Dec., Jan., and Feb. | Spring = Mar., Apr., and May | |
Summer = Jun., Jul., and Aug. | Fall = Sep., Oct., and Nov. |