Cushman Dam, Washington
Monthly Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
January 35° 45° 11° (1980) 63° (2005) 14.79" 1.1"
February 35° 48° 14° (1989) 71° (1986) 10.36" 1.7"
March 37° 53° 21° (1989) 77° (1979) 9.39" 0.3"
April 40° 58° 28° (2001) 83° (1998) 5.8" 0"
May 45° 65° 31° (1985) 92° (1983) 3.23" 0"
June 49° 70° 34° (1976) 94° (1982) 2.08" 0"
July 53° 75° 41° (1979) 96° (2004) 1.1" 0"
August 53° 76° 39° (1981) 97° (1981) 1.3" 0"
September 49° 70° 34° (1983) 91° (1988) 2.36" 0"
October 43° 59° 26° (2006) 82° (1980) 8.23" 0"
November 38° 49° 13° (1985) 68° (1980) 16.05" 0.1"
December 34° 43° 11° (1983) 66° (1980) 15.49" 1.8"
Daily Averages & Records -  °F | °C
Date Average
Low
Average
High
Record
Low
Record
High
Average
Precipitation
Average
Snow
May 1 42° 61° 32° (1988) 83° (1998) 0.13" 0"
May 2 42° 62° 33° (1996) 79° (1980) 0.12" 0"
May 3 42° 62° 33° (1996) 75° (1992) 0.12" 0"
May 4 42° 62° 32° (1982) 87° (1992) 0.13" 0"
May 5 43° 62° 33° (1978) 81° (1992) 0.12" 0"
May 6 43° 63° 34° (1984) 79° (1989) 0.13" 0"
May 7 43° 63° 31° (1985) 81° (1987) 0.12" 0"
May 8 43° 63° 36° (1985) 83° (1987) 0.12" 0"
May 9 44° 63° 34° (1991) 84° (1987) 0.11" 0"
May 10 44° 64° 36° (1974) 83° (1987) 0.11" 0"
May 11 44° 64° 33° (1985) 82° (1987) 0.1" 0"
May 12 44° 64° 34° (1985) 81° (1997) 0.11" 0"
May 13 44° 64° 35° (1974) 78° (1993) 0.1" 0"
May 14 45° 65° 36° (1990) 78° (1995) 0.1" 0"
May 15 45° 65° 35° (1974) 78° (1995) 0.1" 0"
May 16 45° 65° 33° (2003) 85° (1985) 0.1" 0"
May 17 45° 65° 35° (2003) 85° (1985) 0.1" 0"
May 18 45° 65° 38° (1976) 87° (2008) 0.09" 0"
May 19 46° 66° 33° (1975) 81° (1978) 0.1" 0"
May 20 46° 66° 33° (1975) 84° (1978) 0.09" 0"
May 21 46° 66° 36° (1984) 84° (1978) 0.09" 0"
May 22 46° 66° 38° (1978) 83° (2001) 0.09" 0"
May 23 46° 66° 36° (1978) 83° (2001) 0.09" 0"
May 24 46° 67° 34° (1975) 87° (1983) 0.09" 0"
May 25 47° 67° 36° (1975) 86° (1983) 0.1" 0"
May 26 47° 67° 41° (1977) 85° (2005) 0.09" 0"
May 27 47° 67° 39° (1977) 87° (2005) 0.1" 0"
May 28 47° 67° 35° (1976) 91° (1983) 0.1" 0"
May 29 47° 67° 38° (1977) 92° (1983) 0.09" 0"
May 30 47° 67° 37° (1976) 83° (1995) 0.1" 0"
May 31 47° 67° 38° (1984) 83° (1986) 0.09" 0"
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