CUSHMAN POWERHOUSE 2, WASHINGTON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(451939)

File last updated on Jul 25, 2006
*** Note *** Provisional Data *** After Year/Month 200603
a = 1 day missing, b = 2 days missing, c = 3 days, ..etc..,
z = 26 or more days missing, A = Accumulations present
Long-term means based on columns; thus, the monthly row may not
sum (or average) to the long-term annual value.
MAXIMUM ALLOWABLE NUMBER OF MISSING DAYS : 5
Individual Months not used for annual or monthly statistics if more than 5 days are missing.
Individual Years not used for annual statistics if any month in that year has more than 5 days missing.
YEAR(S) JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV DEC ANN
1973 ----- z ----- z ----- z ----- z ----- z ----- z 44.00 39.00 40.00 34.00 28.00 30.00 28.00
1974 15.00 30.00 25.00 31.00 35.00 38.00 41.00 47.00 41.00 34.00 d 32.00 27.00 15.00
1975 25.00 26.00 27.00 28.00 33.00 39.00 45.00 45.00 40.00 33.00 24.00 26.00 24.00
1976 26.00 22.00 25.00 30.00 35.00 34.00 43.00 46.00 41.00 32.00 24.00 29.00 22.00
1977 23.00 29.00 29.00 30.00 36.00 38.00 43.00 45.00 40.00 34.00 23.00 27.00 23.00
1978 25.00 29.00 30.00 32.00 33.00 44.00 48.00 47.00 38.00 33.00 24.00 a 14.00 14.00
1979 15.00 15.00 a 30.00 31.00 39.00 a 40.00 41.00 a 47.00 a 43.00 33.00 29.00 28.00 15.00
1980 11.00 28.00 28.00 29.00 36.00 a 37.00 44.00 42.00 42.00 34.00 32.00 28.00 11.00
1981 31.00 25.00 29.00 30.00 37.00 40.00 43.00 39.00 41.00 33.00 28.00 28.00 25.00
1982 13.00 21.00 29.00 31.00 32.00 40.00 44.00 43.00 39.00 33.00 25.00 26.00 13.00
1983 25.00 28.00 32.00 30.00 37.00 42.00 44.00 48.00 34.00 34.00 30.00 11.00 11.00
1984 19.00 30.00 32.00 31.00 34.00 40.00 45.00 44.00 38.00 29.00 29.00 20.00 19.00
1985 24.00 18.00 25.00 29.00 31.00 41.00 45.00 43.00 35.00 31.00 13.00 19.00 13.00
1986 30.00 24.00 33.00 30.00 36.00 46.00 44.00 48.00 42.00 38.00 29.00 29.00 24.00
1987 24.00 26.00 30.00 31.00 36.00 40.00 46.00 46.00 42.00 37.00 31.00 25.00 24.00
1988 28.00 26.00 29.00 32.00 32.00 42.00 45.00 47.00 39.00 34.00 31.00 28.00 26.00
1989 29.00 14.00 21.00 34.00 35.00 41.00 46.00 47.00 41.00 34.00 32.00 29.00 14.00
1990 29.00 21.00 29.00 34.00 36.00 43.00 49.00 46.00 47.00 34.00 31.00 12.00 12.00
1991 23.00 32.00 29.00 32.00 34.00 38.00 49.00 46.00 43.00 28.00 29.00 29.00 23.00
1992 28.00 30.00 33.00 31.00 36.00 43.00 52.00 45.00 39.00 35.00 30.00 24.00 24.00
1993 19.00 24.00 30.00 35.00 42.00 43.00 47.00 44.00 40.00 39.00 20.00 24.00 19.00
1994 28.00 22.00 29.00 34.00 39.00 42.00 46.00 48.00 44.00 34.00 28.00 24.00 22.00
1995 26.00 21.00 26.00 33.00 37.00 40.00 47.00 47.00 46.00 29.00 29.00 28.00 21.00
1996 18.00 18.00 28.00 34.00 33.00 43.00 47.00 49.00 40.00 31.00 28.00 22.00 18.00
1997 23.00 27.00 29.00 30.00 35.00 45.00 51.00 52.00 45.00 38.00 35.00 31.00 23.00
1998 26.00 29.00 29.00 33.00 40.00 44.00 52.00 50.00 46.00 36.00 35.00 18.00 a 18.00
1999 30.00 30.00 28.00 g ----- z 43.00 z 41.00 44.00 46.00 38.00 36.00 31.00 31.00 28.00
2000 24.00 27.00 a 31.00 32.00 36.00 42.00 46.00 46.00 40.00 37.00 29.00 28.00 a 24.00
2001 28.00 a 26.00 30.00 a 28.00 37.00 a 42.00 ----- z 48.00 41.00 36.00 32.00 26.00 26.00
2002 29.00 29.00 26.00 30.00 ----- z 40.00 46.00 46.00 40.00 29.00 27.00 31.00 26.00
2003 31.00 23.00 29.00 31.00 33.00 45.00 47.00 47.00 42.00 29.00 26.00 26.00 23.00
2004 12.00 30.00 31.00 32.00 40.00 44.00 50.00 53.00 42.00 35.00 ----- z 31.00 12.00
2005 25.00 28.00 32.00 32.00 40.00 43.00 49.00 50.00 39.00 36.00 30.00 27.00 25.00
2006 30.00 23.00 29.00 34.00 36.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 23.00
Period of Record Statistics
MEAN 24.00 25.18 28.88 31.38 35.84 41.25 46.03 46.24 40.85 33.70 28.25 25.33 19.46
S.D. 5.72 4.58 2.59 1.83 2.65 2.60 2.86 3.01 2.84 2.81 4.36 5.32 4.94
SKEW -0.88 -0.77 -0.87 0.14 0.34 -0.52 0.43 -0.33 0.02 -0.30 -1.42 -1.36 -0.43
MAX 31.00 32.00 33.00 35.00 42.00 46.00 52.00 53.00 47.00 39.00 35.00 31.00 26.00
MIN 11.00 14.00 21.00 28.00 31.00 34.00 41.00 39.00 34.00 28.00 13.00 11.00 11.00
NO YRS 33 33 32 32 31 32 32 33 33 33 32 33 28