BALCH POWER HOUSE, CALIFORNIA

Monthly Extreme Minimum Temperature (Degrees Fahrenheit)

(040449)

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
1950 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1951 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1952 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1953 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1954 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1955 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1956 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1957 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1958 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1959 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1960 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1961 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1962 ----- z ----- z ----- z ----- z ----- z ----- z ----- z 60.00 49.00 45.00 33.00 28.00 28.00
1963 25.00 38.00 a 32.00 33.00 42.00 49.00 53.00 58.00 54.00 46.00 37.00 31.00 25.00
1964 30.00 32.00 30.00 36.00 34.00 48.00 a 59.00 55.00 51.00 47.00 29.00 30.00 29.00
1965 26.00 31.00 34.00 32.00 39.00 45.00 60.00 61.00 43.00 40.00 34.00 28.00 26.00
1966 28.00 31.00 29.00 39.00 50.00 51.00 60.00 56.00 54.00 45.00 35.00 30.00 28.00
1967 29.00 34.00 32.00 32.00 39.00 43.00 61.00 67.00 55.00 50.00 38.00 20.00 20.00
1968 25.00 35.00 36.00 37.00 41.00 47.00 65.00 53.00 50.00 45.00 35.00 24.00 24.00
1969 25.00 a 30.00 32.00 35.00 43.00 51.00 58.00 63.00 54.00 41.00 39.00 28.00 25.00
1970 29.00 36.00 36.00 34.00 41.00 52.00 63.00 64.00 53.00 42.00 36.00 31.00 29.00
1971 26.00 29.00 30.00 35.00 42.00 43.00 61.00 61.00 48.00 32.00 34.00 ----- z 26.00
1972 28.00 30.00 35.00 35.00 a 43.00 52.00 60.00 57.00 53.00 36.00 34.00 18.00 18.00
1973 26.00 34.00 31.00 34.00 e 43.00 49.00 60.00 55.00 51.00 40.00 34.00 33.00 26.00
1974 27.00 33.00 33.00 35.00 a 39.00 53.00 57.00 60.00 57.00 41.00 36.00 26.00 26.00
1975 28.00 28.00 33.00 33.00 36.00 48.00 57.00 51.00 31.00 38.00 30.00 29.00 28.00
1976 27.00 31.00 27.00 28.00 40.00 35.00 39.00 55.00 52.00 40.00 32.00 30.00 27.00
1977 26.00 30.00 30.00 39.00 37.00 42.00 57.00 54.00 39.00 44.00 32.00 34.00 26.00
1978 33.00 33.00 37.00 35.00 42.00 b 51.00 a 51.00 55.00 47.00 42.00 32.00 24.00 24.00
1979 25.00 29.00 ----- z ----- z ----- z ----- z 54.00 57.00 a 54.00 40.00 32.00 32.00 25.00
1980 33.00 33.00 34.00 b 35.00 b 38.00 b 47.00 53.00 58.00 a 50.00 41.00 a 36.00 32.00 b 32.00
1981 29.00 a 33.00 32.00 a 39.00 a 43.00 a 50.00 a 63.00 a 62.00 a 55.00 39.00 35.00 33.00 29.00
1982 27.00 33.00 33.00 30.00 41.00 46.00 49.00 53.00 49.00 41.00 34.00 30.00 27.00
1983 31.00 32.00 34.00 35.00 39.00 49.00 54.00 58.00 52.00 49.00 32.00 33.00 31.00
1984 34.00 31.00 37.00 34.00 43.00 43.00 61.00 64.00 54.00 40.00 35.00 28.00 28.00
1985 29.00 28.00 29.00 41.00 44.00 50.00 59.00 59.00 48.00 41.00 30.00 27.00 27.00
1986 38.00 32.00 34.00 37.00 22.00 41.00 59.00 50.00 43.00 45.00 23.00 32.00 22.00
1987 24.00 29.00 34.00 40.00 45.00 56.00 53.00 56.00 54.00 49.00 34.00 24.00 24.00
1988 27.00 30.00 31.00 38.00 36.00 46.00 61.00 61.00 52.00 48.00 33.00 26.00 26.00
1989 27.00 22.00 35.00 40.00 45.00 51.00 59.00 57.00 50.00 37.00 35.00 32.00 22.00
1990 31.00 25.00 32.00 43.00 44.00 45.00 61.00 55.00 53.00 48.00 33.00 24.00 24.00
1991 32.00 36.00 31.00 37.00 40.00 52.00 63.00 57.00 55.00 42.00 30.00 30.00 30.00
1992 29.00 34.00 38.00 45.00 52.00 48.00 54.00 58.00 56.00 50.00 37.00 28.00 28.00
1993 27.00 32.00 38.00 37.00 41.00 44.00 56.00 ----- z 48.00 40.00 33.00 e 28.00 27.00
1994 31.00 30.00 a 32.00 37.00 43.00 50.00 63.00 62.00 48.00 j 42.00 b 30.00 i 32.00 30.00
1995 30.00 34.00 32.00 32.00 41.00 42.00 53.00 58.00 51.00 50.00 l 40.00 32.00 30.00
1996 29.00 28.00 34.00 39.00 45.00 46.00 63.00 55.00 53.00 37.00 33.00 26.00 26.00
1997 28.00 28.00 33.00 36.00 i 48.00 53.00 i 54.00 60.00 47.00 42.00 37.00 27.00 27.00
1998 27.00 30.00 29.00 31.00 34.00 45.00 55.00 58.00 51.00 42.00 37.00 20.00 20.00
1999 30.00 d 27.00 c 34.00 a 30.00 c 40.00 b 42.00 c 59.00 b 57.00 d 57.00 b 47.00 34.00 b 32.00 c 27.00
2000 30.00 g 39.00 s 32.00 c 40.00 h 41.00 b 46.00 d 58.00 k 62.00 e 54.00 c 40.00 i 31.00 c 26.00 h 26.00
2001 28.00 f 28.00 c 33.00 d 23.00 b 46.00 e 57.00 f 61.00 62.00 e 57.00 c 46.00 e 32.00 b 31.00 c 23.00
2002 23.00 30.00 30.00 36.00 39.00 54.00 66.00 b 62.00 52.00 45.00 39.00 a 29.00 23.00
2003 33.00 28.00 34.00 33.00 36.00 57.00 63.00 62.00 59.00 43.00 31.00 28.00 28.00
2004 28.00 c 32.00 37.00 ----- z 47.00 53.00 63.00 63.00 44.00 38.00 31.00 30.00 f 28.00
2005 31.00 34.00 36.00 37.00 39.00 46.00 60.00 64.00 47.00 f 46.00 32.00 f 31.00 31.00
2006 30.00 29.00 28.00 f 35.00 f 43.00 a 51.00 g 64.00 n ----- z ----- z ----- z ----- z ----- z 28.00
Period of Record Statistics
MEAN 28.60 30.98 32.98 35.41 41.07 47.70 58.10 58.49 50.93 42.67 33.74 28.56 25.57
S.D. 3.00 3.07 2.62 4.11 4.87 4.51 5.03 3.81 5.22 4.08 3.13 3.79 3.06
SKEW 0.72 -0.29 0.03 -0.37 -1.09 -0.28 -1.37 -0.06 -1.62 -0.12 -0.64 -0.97 -0.60
MAX 38.00 38.00 38.00 45.00 52.00 57.00 66.00 67.00 59.00 50.00 40.00 34.00 31.00
MIN 23.00 22.00 27.00 23.00 22.00 35.00 39.00 50.00 31.00 32.00 23.00 18.00 18.00
NO YRS 42 43 42 39 43 40 42 43 42 42 42 41 30