Return to City Information homepage.

Return to LCD homepage.


West Chester Local Climatological Data

Period of Record:
1948-1994 for means;
 1888-1902, 1941-1994 for extremes;
 1849-1930, 1941-1994 for precipitation extremes;
 other notable extremes included.
MONTH TEMPERATURES DAYS WITH MAXIMA DAYS WITH MINIMA DEGREE DAYS PRECIPITATION SNOWFALL DAYS WITH PRECIPITATION
  Daily Maximum Daily Minimum Monthly Record Highest Year Day Record Lowest Year Day 90 and Above 32 and Below 32 and Below 0 and Below Heating Base 65 Cooloing Base 65 Mean Greatest Monthly Year Greatest Daily Year Day Mean Maximum Monthly Year 0.10 or more 0.50 or more 1.00 or more
JAN 39.0 21.3 30.2 73 1967 25 -16 1984 22 0.0 7.7 27.1 1.9 1101 0 3.37 9.96 1979 2.94     7.0 22.5 1966 6.4 2.5 0.7
FEB 41.6 23.1 32.4 78 1930 25 -15 1934 9 0.0 5.2 23.1 0.3 916 0 3.10 7.29 1884 3.88     7.2 22.0 1964 6.2 2.1 0.8
MAR 50.8 30.4 40.6 87 1945   -3 1984 10 0.0 0.9 19.0 0.0 738 0 3.74 8.33 1891 2.95     4.0 36.0 1958 6.9 2.5 0.9
APR 62.5 40.3 51.4 94 1990 26 10     0.3 0.0 5.2 0.0 411 0 3.74 8.67 1874 4.20     0.4 5.0   7.1 2.7 0.8
MAY 72.9 49.9 61.4 98 1962 20 27 1978 1 1.0 0.0 0.4 0.0 150 41 4.26 13.82 1894 5.56     0.0 0.T 1977 7.5 3.1 1.1
JUN 81.5 58.9 70.2 101 1963 28 35 1972 11 4.2 0.0 0.0 0.0 22 184 3.90 13.14 1928 6.08 1884   0.0 0.0   6.6 2.5 1.0
JUL 86.0 64.0 75.0 105 1966 4 45 1984 9 8.5 0.0 0.0 0.0 0 308 4.56 14.58 1919 4.49     0.0 0.0   6.9 2.8 1.4
AUG 84.2 62.1 73.2 104     38 1982 29 5.6 0.0 0.0 0.0 5 260 4.19 15.58 1955 5.25 1971 28 0.0 0.0   6.3 2.7 1.1
SEP 77.4 54.4 65.9 101 1953 3 31 1983 26 2.2 0.0 0.1 0.0 71 110 4.10 14.81 1971 7.11 1971 14 0.0 0.0   5.2 2.5 1.3
OCT 66.6 43.3 55.0 97 1941   19 1983 31 0.1 0.0 3.4 0.0 332 10 3.13 8.66 1849 5.80     0.T 0.5 1962 5.0 2.3 0.9
NOV 55.0 34.8 44.9 84 1950 1 11 1976 30 0.0 0.2 12.5 0.0 582 0 3.97 9.91 1889 5.94 1950 25 0.8 11.0 1953 6.0 2.5 1.2
DEC 42.7 25.1 33.9 72 1984 30 -12     0.0 4.2 24.0 0.1 955 0 3.62 9.05 1983 3.76     4.8 37.0 1966 6.2 2.8 1.2
                                                       
YEAR 64.0 42.7 53.4 105 1966 7/4 -16 1984 1/22 21.8 18.2 114.8 2.3 5283 913 45.55 73.00 1889 7.11 1971 9/14 25.3 72.8 1966 76.3 31.0 12.4