CLEARLAKE 4 SE, CALIFORNIA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(041806)

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
1954 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 26.00 y 22.00 17.00 17.00
1955 18.00 18.00 22.00 27.00 33.00 38.00 45.00 40.00 33.00 28.00 25.00 23.00 18.00
1956 19.00 18.00 25.00 27.00 34.00 40.00 47.00 44.00 36.00 27.00 19.00 13.00 13.00
1957 15.00 16.00 26.00 28.00 35.00 42.00 45.00 40.00 38.00 33.00 ----- z ----- z 15.00
1958 ----- z ----- z 21.00 30.00 39.00 43.00 51.00 52.00 a 39.00 a 35.00 k 22.00 e 26.00 21.00
1959 23.00 u 27.00 j 33.00 36.00 41.00 44.00 49.00 43.00 38.00 38.00 b 24.00 b 20.00 i 20.00
1960 15.00 f 25.00 e 31.00 g 30.00 r 35.00 q 50.00 s ----- z 45.00 p 40.00 32.00 27.00 o 22.00 15.00
1961 17.00 26.00 28.00 30.00 33.00 43.00 42.00 42.00 a 33.00 25.00 22.00 b 18.00 b 17.00
1962 17.00 n 20.00 23.00 32.00 37.00 42.00 47.00 g 47.00 a 40.00 o 36.00 a 25.00 17.00 17.00
1963 15.00 b ----- z 26.00 a 28.00 k ----- z 42.00 g 40.00 42.00 38.00 28.00 25.00 19.00 15.00
1964 18.00 20.00 20.00 23.00 28.00 38.00 41.00 40.00 34.00 30.00 20.00 a 18.00 18.00
1965 19.00 22.00 25.00 a 25.00 29.00 39.00 39.00 47.00 30.00 30.00 22.00 c 14.00 b 14.00
1966 16.00 17.00 17.00 27.00 32.00 34.00 39.00 40.00 33.00 25.00 24.00 21.00 16.00
1967 18.00 20.00 23.00 25.00 30.00 42.00 47.00 41.00 42.00 c 31.00 25.00 19.00 18.00
1968 15.00 e 26.00 25.00 24.00 b 28.00 39.00 41.00 40.00 ----- z ----- z 26.00 15.00 15.00
1969 20.00 23.00 23.00 29.00 36.00 43.00 44.00 44.00 41.00 29.00 c 20.00 19.00 19.00
1970 16.00 25.00 25.00 25.00 30.00 a 43.00 45.00 41.00 34.00 25.00 29.00 20.00 16.00
1971 19.00 17.00 20.00 28.00 33.00 36.00 47.00 42.00 34.00 24.00 22.00 20.00 17.00
1972 18.00 19.00 20.00 29.00 36.00 34.00 45.00 44.00 38.00 29.00 26.00 9.00 9.00
1973 14.00 26.00 26.00 34.00 35.00 45.00 48.00 44.00 40.00 32.00 27.00 27.00 14.00
1974 8.00 22.00 25.00 28.00 28.00 42.00 46.00 44.00 39.00 35.00 26.00 21.00 8.00
1975 13.00 23.00 29.00 26.00 33.00 40.00 40.00 43.00 42.00 31.00 27.00 21.00 13.00
1976 16.00 20.00 20.00 24.00 38.00 39.00 45.00 46.00 42.00 31.00 24.00 18.00 16.00
1977 19.00 25.00 23.00 33.00 30.00 42.00 45.00 46.00 f 41.00 35.00 22.00 23.00 19.00
1978 25.00 29.00 32.00 30.00 35.00 42.00 46.00 43.00 35.00 33.00 20.00 15.00 15.00
1979 15.00 21.00 30.00 30.00 36.00 41.00 45.00 44.00 41.00 32.00 22.00 19.00 15.00
1980 15.00 24.00 27.00 28.00 35.00 37.00 a 45.00 47.00 39.00 29.00 22.00 19.00 15.00
1981 23.00 24.00 28.00 30.00 33.00 41.00 45.00 46.00 41.00 32.00 27.00 27.00 23.00
1982 19.00 20.00 26.00 26.00 34.00 37.00 48.00 45.00 42.00 32.00 24.00 20.00 19.00
1983 20.00 25.00 29.00 29.00 31.00 45.00 44.00 49.00 40.00 21.00 29.00 28.00 20.00
1984 23.00 26.00 31.00 30.00 34.00 42.00 46.00 48.00 39.00 32.00 28.00 22.00 22.00
1985 23.00 22.00 27.00 36.00 33.00 38.00 48.00 42.00 39.00 ----- z ----- z ----- z 22.00
1986 ----- z ----- z 36.00 r 32.00 35.00 47.00 48.00 50.00 37.00 37.00 25.00 23.00 23.00
1987 22.00 25.00 26.00 35.00 39.00 43.00 44.00 45.00 42.00 37.00 22.00 24.00 22.00
1988 25.00 22.00 26.00 35.00 33.00 35.00 49.00 47.00 42.00 34.00 29.00 20.00 20.00
1989 22.00 16.00 26.00 33.00 37.00 45.00 46.00 47.00 43.00 29.00 25.00 22.00 16.00
1990 21.00 18.00 24.00 33.00 38.00 38.00 47.00 49.00 45.00 35.00 22.00 6.00 6.00
1991 15.00 26.00 27.00 30.00 34.00 42.00 49.00 44.00 45.00 33.00 26.00 23.00 15.00
1992 21.00 27.00 ----- z 33.00 41.00 42.00 49.00 47.00 44.00 42.00 23.00 21.00 21.00
1993 21.00 26.00 27.00 33.00 35.00 42.00 50.00 46.00 40.00 37.00 20.00 22.00 20.00
1994 26.00 22.00 27.00 33.00 39.00 43.00 50.00 47.00 43.00 31.00 22.00 20.00 20.00
1995 30.00 25.00 29.00 30.00 39.00 41.00 52.00 49.00 46.00 34.00 30.00 29.00 25.00
1996 20.00 26.00 30.00 33.00 37.00 43.00 48.00 45.00 36.00 32.00 29.00 c 25.00 20.00
1997 21.00 28.00 25.00 29.00 35.00 46.00 47.00 50.00 45.00 30.00 33.00 22.00 21.00
1998 26.00 30.00 27.00 30.00 34.00 42.00 52.00 47.00 45.00 32.00 28.00 13.00 13.00
1999 12.00 23.00 27.00 25.00 a 35.00 a 39.00 44.00 44.00 43.00 33.00 27.00 22.00 12.00
2000 25.00 b 28.00 a 31.00 34.00 a 33.00 a 42.00 48.00 a 49.00 41.00 32.00 23.00 b 23.00 23.00
2001 23.00 d 25.00 26.00 c 29.00 40.00 a 44.00 49.00 50.00 46.00 36.00 ----- z 27.00 a 23.00
2002 19.00 20.00 24.00 29.00 37.00 47.00 47.00 48.00 43.00 25.00 26.00 28.00 19.00
2003 31.00 20.00 29.00 30.00 34.00 46.00 45.00 45.00 45.00 37.00 26.00 22.00 20.00
2004 24.00 25.00 33.00 33.00 40.00 43.00 49.00 50.00 39.00 34.00 23.00 24.00 23.00
2005 25.00 28.00 30.00 29.00 39.00 39.00 a 50.00 a 45.00 43.00 35.00 28.00 22.00 22.00
2006 28.00 21.00 24.00 31.00 a 41.00 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 21.00
Period of Record Statistics
MEAN 19.85 22.92 25.98 29.76 34.88 41.22 46.14 45.18 39.88 31.67 24.65 20.57 17.16
S.D. 4.76 3.60 3.54 3.30 3.49 3.16 3.20 3.15 3.90 4.14 3.08 4.68 4.29
SKEW 0.13 -0.17 -0.19 -0.05 -0.13 -0.42 -0.46 0.04 -0.50 -0.25 0.33 -0.75 -0.61
MAX 31.00 30.00 33.00 36.00 41.00 47.00 52.00 52.00 46.00 42.00 33.00 29.00 25.00
MIN 8.00 16.00 17.00 23.00 28.00 34.00 39.00 40.00 30.00 21.00 19.00 6.00 6.00
NO YRS 47 48 49 50 50 49 49 49 49 48 48 49 37