CHESTER, CALIFORNIA

Monthly Extreme Maximum Temperature (Degrees Fahrenheit)

(041700)

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
1948 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
1949 ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z ----- z 9999.00
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 88.00 u 96.00 65.00 60.00 58.00 96.00
1958 50.00 57.00 54.00 70.00 89.00 88.00 93.00 92.00 91.00 85.00 70.00 62.00 93.00
1959 57.00 60.00 65.00 75.00 b 85.00 93.00 97.00 97.00 a 89.00 a 86.00 a 72.00 c 62.00 97.00
1960 49.00 c 50.00 c 77.00 a 75.00 c 84.00 a 92.00 k 101.00 c 98.00 b 91.00 a 85.00 f 72.00 62.00 a 101.00
1961 55.00 b 65.00 a 66.00 80.00 77.00 d 96.00 c 95.00 a 100.00 a 85.00 a 85.00 a 65.00 51.00 100.00
1962 62.00 a 55.00 62.00 75.00 a 85.00 88.00 93.00 a 94.00 a 92.00 a 88.00 b 72.00 b 60.00 b 94.00
1963 57.00 c 65.00 d 62.00 b 67.00 c 87.00 86.00 c 89.00 g 93.00 a 89.00 85.00 61.00 d 57.00 d 93.00
1964 47.00 a 57.00 k 67.00 a 76.00 c 77.00 88.00 a 95.00 a 94.00 g 88.00 g 86.00 c 64.00 a 56.00 a 95.00
1965 56.00 a 59.00 67.00 73.00 c 79.00 85.00 91.00 b 90.00 a 82.00 a 85.00 b 70.00 a 54.00 e 91.00
1966 54.00 a 52.00 a 73.00 a 75.00 d 83.00 a 90.00 b 95.00 a 94.00 a 92.00 c 82.00 76.00 52.00 95.00
1967 48.00 58.00 58.00 a 54.00 86.00 91.00 92.00 96.00 90.00 77.00 74.00 a 56.00 96.00
1968 54.00 61.00 69.00 75.00 79.00 a 93.00 95.00 93.00 88.00 a 82.00 67.00 51.00 95.00
1969 51.00 45.00 64.00 70.00 a 83.00 89.00 93.00 a 93.00 a 91.00 78.00 70.00 58.00 93.00
1970 50.00 61.00 69.00 69.00 83.00 92.00 93.00 95.00 88.00 86.00 67.00 49.00 95.00
1971 55.00 62.00 66.00 68.00 74.00 83.00 a 93.00 100.00 95.00 84.00 66.00 44.00 100.00
1972 51.00 56.00 73.00 71.00 86.00 93.00 100.00 103.00 d 90.00 82.00 59.00 56.00 103.00
1973 48.00 55.00 59.00 b 76.00 88.00 93.00 b 97.00 d 93.00 p 94.00 78.00 61.00 51.00 97.00
1974 54.00 54.00 b 62.00 a 73.00 86.00 93.00 94.00 93.00 91.00 86.00 64.00 53.00 94.00
1975 57.00 56.00 62.00 62.00 87.00 89.00 95.00 c 90.00 c 93.00 85.00 66.00 61.00 95.00
1976 59.00 61.00 66.00 78.00 83.00 a 88.00 a 93.00 92.00 93.00 81.00 75.00 59.00 93.00
1977 54.00 66.00 67.00 76.00 84.00 94.00 97.00 a 96.00 90.00 84.00 67.00 61.00 97.00
1978 52.00 62.00 71.00 73.00 74.00 g 88.00 a 93.00 96.00 83.00 81.00 68.00 53.00 96.00
1979 52.00 53.00 68.00 69.00 84.00 90.00 a 95.00 92.00 91.00 86.00 62.00 62.00 95.00
1980 55.00 55.00 66.00 75.00 84.00 85.00 98.00 90.00 a 89.00 89.00 71.00 54.00 98.00
1981 53.00 61.00 65.00 a 84.00 83.00 90.00 92.00 100.00 92.00 75.00 a 63.00 55.00 100.00
1982 54.00 62.00 59.00 70.00 85.00 87.00 91.00 94.00 88.00 71.00 59.00 49.00 e 94.00
1983 59.00 54.00 60.00 65.00 89.00 82.00 90.00 94.00 88.00 75.00 61.00 58.00 94.00
1984 60.00 62.00 65.00 75.00 90.00 87.00 96.00 95.00 90.00 77.00 57.00 51.00 96.00
1985 58.00 62.00 66.00 80.00 79.00 96.00 94.00 94.00 84.00 84.00 69.00 56.00 96.00
1986 56.00 70.00 74.00 79.00 93.00 93.00 92.00 91.00 j 92.00 77.00 71.00 56.00 93.00
1987 50.00 61.00 69.00 82.00 85.00 94.00 98.00 95.00 92.00 88.00 67.00 53.00 98.00
1988 55.00 65.00 72.00 76.00 83.00 96.00 99.00 a 95.00 98.00 84.00 66.00 59.00 99.00
1989 59.00 60.00 61.00 79.00 80.00 86.00 92.00 88.00 85.00 79.00 68.00 56.00 92.00
1990 55.00 61.00 68.00 76.00 82.00 88.00 93.00 97.00 90.00 80.00 64.00 51.00 97.00
1991 54.00 62.00 59.00 67.00 77.00 88.00 96.00 89.00 91.00 85.00 69.00 57.00 96.00
1992 52.00 61.00 68.00 76.00 87.00 94.00 94.00 98.00 88.00 85.00 62.00 46.00 98.00
1993 44.00 47.00 59.00 71.00 76.00 88.00 89.00 95.00 90.00 84.00 63.00 54.00 95.00
1994 54.00 56.00 68.00 77.00 83.00 89.00 96.00 91.00 88.00 79.00 46.00 42.00 96.00
1995 44.00 61.00 58.00 69.00 78.00 88.00 90.00 92.00 89.00 77.00 66.00 55.00 92.00
1996 56.00 60.00 70.00 78.00 83.00 89.00 93.00 94.00 85.00 86.00 62.00 48.00 94.00
1997 52.00 57.00 68.00 74.00 82.00 85.00 91.00 d 96.00 83.00 71.00 64.00 47.00 96.00
1998 44.00 41.00 60.00 71.00 70.00 75.00 90.00 91.00 90.00 66.00 53.00 51.00 91.00
1999 49.00 46.00 56.00 68.00 79.00 86.00 92.00 90.00 85.00 80.00 66.00 54.00 92.00
2000 51.00 50.00 64.00 75.00 85.00 92.00 94.00 93.00 88.00 80.00 58.00 51.00 94.00
2001 48.00 56.00 68.00 76.00 89.00 91.00 94.00 95.00 87.00 88.00 67.00 46.00 95.00
2002 54.00 59.00 75.00 79.00 84.00 95.00 104.00 97.00 92.00 81.00 64.00 i 53.00 104.00
2003 52.00 o 58.00 h 71.00 71.00 f 87.00 93.00 m 100.00 l 94.00 92.00 81.00 58.00 52.00 100.00
2004 51.00 52.00 72.00 80.00 81.00 86.00 94.00 94.00 88.00 81.00 63.00 53.00 94.00
2005 44.00 54.00 71.00 67.00 84.00 ----- z 97.00 93.00 86.00 77.00 64.00 g 56.00 97.00
2006 51.00 61.00 48.00 a 77.00 a 88.00 a 97.00 a 96.00 m ----- z ----- z ----- z ----- z ----- z 97.00
Period of Record Statistics
MEAN 52.79 57.64 65.45 73.46 83.23 89.50 94.33 94.24 89.46 81.19 65.13 54.10 95.48
S.D. 4.33 5.86 5.83 5.49 4.45 4.26 3.06 3.13 3.38 5.42 5.76 4.83 2.65
SKEW -0.28 -0.70 -0.51 -0.97 -0.57 -0.66 0.85 0.46 -0.09 -1.11 -0.70 -0.30 0.74
MAX 62.00 70.00 77.00 84.00 93.00 97.00 104.00 103.00 98.00 89.00 76.00 62.00 103.00
MIN 44.00 41.00 48.00 54.00 70.00 75.00 89.00 88.00 82.00 65.00 46.00 42.00 91.00
NO YRS 48 47 49 48 48 46 46 45 48 48 47 49 33