WILLOW CREEK 1 NW, CALIFORNIA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(049694)

File last updated on Jul 24, 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
1968 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 43.00 z ----- z ----- z 27.00 27.00
1969 28.00 27.00 28.00 35.00 35.00 44.00 46.00 42.00 42.00 31.00 29.00 28.00 27.00
1970 23.00 29.00 30.00 29.00 35.00 39.00 41.00 40.00 36.00 32.00 c 33.00 l 28.00 i 23.00
1971 22.00 k 25.00 i 25.00 h 31.00 32.00 39.00 42.00 46.00 39.00 a 22.00 a 29.00 c 29.00 22.00
1972 20.00 22.00 c 30.00 26.00 c 37.00 42.00 44.00 43.00 35.00 32.00 35.00 h 5.00 m 5.00
1973 27.00 a 30.00 31.00 32.00 35.00 40.00 a 43.00 40.00 41.00 38.00 b 35.00 37.00 a 27.00
1974 24.00 31.00 28.00 36.00 33.00 40.00 43.00 40.00 36.00 27.00 27.00 j 23.00 j 23.00
1975 20.00 i 24.00 i 22.00 d 27.00 30.00 39.00 39.00 40.00 37.00 31.00 b 23.00 b 24.00 20.00
1976 18.00 a 13.00 25.00 24.00 29.00 29.00 35.00 44.00 41.00 35.00 b 24.00 e 22.00 13.00
1977 19.00 24.00 b 28.00 30.00 b 37.00 40.00 42.00 49.00 45.00 37.00 j 26.00 e 32.00 i 19.00
1978 33.00 j 30.00 i 33.00 f 35.00 j 35.00 f 43.00 46.00 46.00 37.00 b 28.00 g 19.00 j 21.00 j 19.00
1979 17.00 i 22.00 i 32.00 i 32.00 i 34.00 i 37.00 a 41.00 a 42.00 a 41.00 40.00 f 28.00 l 26.00 l 17.00
1980 19.00 32.00 31.00 29.00 ----- z ----- z 42.00 ----- z ----- z 36.00 31.00 b 27.00 b 19.00
1981 32.00 a 30.00 a 31.00 32.00 a 30.00 40.00 42.00 39.00 32.00 30.00 a 34.00 b 34.00 c 30.00
1982 23.00 23.00 30.00 31.00 33.00 35.00 39.00 42.00 39.00 36.00 26.00 29.00 23.00
1983 27.00 30.00 37.00 31.00 35.00 44.00 46.00 49.00 40.00 38.00 36.00 27.00 27.00
1984 27.00 j 30.00 i 33.00 i 31.00 33.00 40.00 45.00 44.00 34.00 35.00 30.00 27.00 27.00
1985 26.00 i 27.00 i 25.00 j 32.00 31.00 43.00 46.00 42.00 42.00 28.00 28.00 f 24.00 24.00
1986 32.00 k 28.00 i 35.00 k 35.00 i 36.00 46.00 47.00 47.00 39.00 38.00 32.00 30.00 28.00
1987 22.00 k 27.00 29.00 j 35.00 i 39.00 39.00 45.00 47.00 40.00 a 35.00 30.00 25.00 a 22.00
1988 30.00 l 26.00 i 28.00 31.00 i 33.00 39.00 43.00 46.00 37.00 40.00 31.00 23.00 23.00
1989 30.00 k 15.00 i 32.00 38.00 34.00 42.00 45.00 45.00 43.00 33.00 29.00 25.00 k 15.00
1990 25.00 j 21.00 i 32.00 35.00 i 36.00 44.00 47.00 50.00 45.00 34.00 32.00 14.00 14.00
1991 18.00 j 32.00 j 31.00 j 30.00 37.00 39.00 49.00 46.00 43.00 32.00 26.00 k 26.00 18.00
1992 30.00 j 32.00 k 38.00 i 33.00 39.00 42.00 45.00 45.00 39.00 37.00 30.00 j 31.00 30.00
1993 27.00 l 31.00 i 29.00 36.00 37.00 41.00 44.00 43.00 38.00 36.00 j 24.00 24.00 l 24.00
1994 31.00 l 25.00 i 29.00 i 33.00 j 35.00 41.00 49.00 46.00 42.00 32.00 29.00 30.00 25.00
1995 35.00 k 30.00 i 33.00 32.00 j 40.00 38.00 50.00 42.00 46.00 31.00 29.00 37.00 l 29.00
1996 32.00 30.00 30.00 36.00 33.00 40.00 47.00 46.00 40.00 35.00 32.00 31.00 30.00
1997 20.00 29.00 28.00 28.00 39.00 43.00 46.00 47.00 42.00 31.00 37.00 21.00 20.00
1998 32.00 j 33.00 i 29.00 29.00 35.00 a 44.00 49.00 48.00 44.00 33.00 35.00 17.00 17.00
1999 28.00 d 28.00 b 30.00 29.00 34.00 d 37.00 a 42.00 a 45.00 39.00 e 32.00 a 34.00 g 29.00 g 28.00
2000 28.00 k 31.00 i 30.00 h 33.00 j 36.00 i 39.00 h 44.00 j 39.00 d 39.00 e 30.00 f 23.00 f 25.00 h 23.00
2001 19.00 j 19.00 i 24.00 i 26.00 i 31.00 i 34.00 h 40.00 e 42.00 d 40.00 e 32.00 e 32.00 i 25.00 j 19.00
2002 25.00 j 30.00 k 29.00 l 33.00 j 33.00 j 39.00 l 45.00 k 43.00 n 37.00 m 26.00 l 24.00 k 35.00 r 24.00
2003 31.00 k 26.00 j 32.00 k 35.00 o 35.00 r ----- z 46.00 i 48.00 i 41.00 n 32.00 i 33.00 p 32.00 l 26.00
2004 31.00 k 30.00 k 36.00 h 31.00 i 41.00 j 42.00 g 47.00 k ----- z ----- z ----- z 28.00 j 27.00 l 27.00
2005 28.00 m 32.00 k 32.00 g 35.00 k 36.00 o 42.00 n 47.00 k 42.00 l 39.00 l 34.00 q 31.00 i 30.00 h 28.00
2006 30.00 n 25.00 m 29.00 l 37.00 m 39.00 p 46.00 p 48.00 u ----- z ----- z ----- z ----- z ----- z 25.00
Period of Record Statistics
MEAN 24.29 27.00 29.62 31.09 34.71 40.30 44.06 44.12 39.78 33.07 30.14 26.50 25.67
S.D. 4.78 4.87 2.97 3.46 2.87 3.28 3.36 3.09 3.27 3.79 3.92 5.22 3.56
SKEW 0.26 -1.69 -0.17 0.15 -0.09 -1.22 -0.42 -0.01 -0.22 -0.66 -0.11 -0.43 -0.55
MAX 32.00 32.00 37.00 38.00 40.00 46.00 50.00 50.00 46.00 40.00 37.00 37.00 30.00
MIN 18.00 13.00 22.00 24.00 29.00 29.00 35.00 39.00 32.00 22.00 23.00 14.00 20.00
NO YRS 14 15 21 23 28 30 32 32 32 28 22 22 6