GRAYS RIVER HATCHERY, WASHINGTON

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(453333)

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
1962 ----- z ----- z 29.00 p 29.00 31.00 36.00 35.00 44.00 42.00 35.00 31.00 21.00 21.00
1963 12.00 31.00 28.00 30.00 34.00 34.00 34.00 44.00 42.00 32.00 27.00 24.00 12.00
1964 31.00 26.00 27.00 28.00 31.00 39.00 42.00 42.00 40.00 30.00 27.00 12.00 12.00
1965 27.00 29.00 a 24.00 29.00 30.00 37.00 41.00 a 39.00 34.00 35.00 27.00 22.00 22.00
1966 25.00 28.00 27.00 29.00 31.00 35.00 41.00 40.00 32.00 31.00 a 29.00 b 30.00 25.00
1967 28.00 28.00 26.00 29.00 32.00 41.00 42.00 42.00 36.00 a 33.00 28.00 19.00 19.00
1968 21.00 22.00 27.00 27.00 32.00 37.00 41.00 41.00 36.00 30.00 29.00 14.00 14.00
1969 14.00 20.00 19.00 23.00 31.00 42.00 38.00 38.00 35.00 28.00 27.00 29.00 14.00
1970 24.00 26.00 25.00 32.00 33.00 40.00 44.00 37.00 31.00 25.00 28.00 24.00 24.00
1971 18.00 18.00 21.00 29.00 34.00 37.00 37.00 42.00 33.00 23.00 25.00 22.00 18.00
1972 14.00 17.00 27.00 29.00 a 33.00 a 37.00 35.00 40.00 29.00 26.00 30.00 2.00 2.00
1973 13.00 23.00 28.00 29.00 30.00 33.00 39.00 34.00 33.00 29.00 26.00 29.00 13.00
1974 10.00 27.00 24.00 30.00 31.00 34.00 41.00 a 42.00 36.00 31.00 30.00 24.00 10.00
1975 22.00 22.00 19.00 b 22.00 31.00 35.00 a 39.00 38.00 35.00 31.00 20.00 23.00 19.00
1976 22.00 17.00 23.00 24.00 31.00 32.00 38.00 39.00 39.00 26.00 21.00 24.00 17.00
1977 17.00 24.00 27.00 28.00 30.00 36.00 38.00 42.00 36.00 a 30.00 18.00 25.00 17.00
1978 14.00 25.00 26.00 29.00 30.00 41.00 46.00 43.00 35.00 29.00 15.00 8.00 8.00
1979 4.00 a 12.00 a 30.00 33.00 35.00 36.00 41.00 41.00 39.00 33.00 b 26.00 29.00 4.00
1980 6.00 27.00 31.00 29.00 33.00 35.00 42.00 a 38.00 39.00 30.00 28.00 20.00 6.00
1981 27.00 25.00 28.00 28.00 34.00 a 39.00 41.00 41.00 38.00 31.00 26.00 27.00 25.00
1982 12.00 20.00 28.00 28.00 31.00 35.00 39.00 39.00 35.00 30.00 25.00 21.00 12.00
1983 26.00 28.00 29.00 29.00 35.00 37.00 45.00 41.00 29.00 29.00 24.00 6.00 6.00
1984 18.00 28.00 28.00 28.00 32.00 33.00 35.00 36.00 32.00 29.00 27.00 18.00 18.00
1985 23.00 15.00 25.00 29.00 29.00 35.00 42.00 39.00 32.00 27.00 9.00 15.00 9.00
1986 30.00 25.00 30.00 28.00 29.00 40.00 40.00 38.00 36.00 33.00 28.00 26.00 25.00
1987 24.00 25.00 28.00 29.00 34.00 35.00 40.00 39.00 37.00 31.00 27.00 23.00 23.00
1988 21.00 24.00 27.00 30.00 32.00 35.00 42.00 40.00 35.00 31.00 30.00 25.00 21.00
1989 25.00 3.00 21.00 30.00 32.00 39.00 40.00 41.00 34.00 29.00 28.00 26.00 3.00
1990 26.00 19.00 27.00 30.00 31.00 40.00 42.00 41.00 43.00 31.00 30.00 5.00 5.00
1991 21.00 29.00 27.00 29.00 33.00 32.00 40.00 38.00 37.00 26.00 28.00 27.00 21.00
1992 26.00 29.00 29.00 29.00 32.00 37.00 44.00 40.00 35.00 28.00 27.00 25.00 25.00
1993 12.00 18.00 22.00 29.00 36.00 s 46.00 x 44.00 40.00 33.00 36.00 17.00 24.00 12.00
1994 26.00 19.00 28.00 32.00 34.00 38.00 40.00 41.00 40.00 30.00 24.00 21.00 19.00
1995 29.00 20.00 25.00 30.00 34.00 41.00 42.00 41.00 39.00 28.00 26.00 25.00 20.00
1996 17.00 15.00 25.00 32.00 29.00 35.00 38.00 41.00 37.00 30.00 26.00 28.00 15.00
1997 21.00 27.00 29.00 28.00 33.00 39.00 43.00 45.00 43.00 31.00 30.00 27.00 21.00
1998 26.00 27.00 27.00 30.00 32.00 41.00 48.00 43.00 38.00 30.00 31.00 13.00 13.00
1999 27.00 a 28.00 a 26.00 29.00 30.00 33.00 42.00 a 40.00 31.00 a 30.00 30.00 c 28.00 a 26.00
2000 24.00 27.00 28.00 29.00 33.00 36.00 a 40.00 38.00 a 32.00 a 33.00 b 23.00 28.00 a 23.00
2001 24.00 24.00 27.00 b 28.00 31.00 a 34.00 39.00 44.00 d ----- z ----- z 30.00 28.00 a 24.00
2002 25.00 26.00 26.00 28.00 31.00 37.00 40.00 41.00 37.00 22.00 23.00 29.00 22.00
2003 29.00 22.00 30.00 29.00 29.00 40.00 39.00 41.00 39.00 24.00 24.00 23.00 22.00
2004 21.00 28.00 28.00 31.00 37.00 41.00 43.00 48.00 41.00 34.00 26.00 29.00 21.00
2005 21.00 24.00 29.00 31.00 38.00 37.00 42.00 42.00 33.00 32.00 26.00 21.00 21.00
2006 31.00 16.00 26.00 30.00 29.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 16.00
Period of Record Statistics
MEAN 21.23 23.02 26.41 28.91 31.98 36.88 40.55 40.55 36.00 29.81 25.84 22.02 15.97
S.D. 6.68 5.56 2.78 2.03 2.07 2.75 2.90 2.49 3.61 3.09 4.47 6.97 6.84
SKEW -0.72 -1.28 -1.04 -1.33 0.73 0.12 -0.07 0.21 0.10 -0.46 -1.77 -1.31 -0.50
MAX 31.00 31.00 31.00 33.00 38.00 42.00 48.00 48.00 43.00 36.00 31.00 30.00 25.00
MIN 4.00 3.00 19.00 22.00 29.00 32.00 34.00 34.00 29.00 22.00 9.00 2.00 2.00
NO YRS 44 44 44 45 44 43 44 44 43 43 44 44 39