| Weather Source |
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| Year | Lowest Temperature (F) | Highest Temperature (F) | Warmest Minimum Temperature (F) | Coldest Maximum Temperature (F) | Average Minimum Temperature (F) | Average Maximum Temperature (F) | Mean Temperature (F) | Total Precipitation (In) | Total Snowfall (In) | Max 24hr Precipitation (In) | Max 24hr Snowfall (In) |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012 | 60 | 97 | 71 | 78 | 66.6 | 85.6 | 76.1 | 4.40 | 1.46 | ||
| 2011 | 62 | 101 | 73 | 83 | 67.1 | 90.7 | 78.9 | 6.06 | 1.75 | ||
| 2010 | 64 | 94 | 74 | 81 | 70.1 | 88.6 | 79.3 | 8.25 | 0.00 | 3.42 | 0.00 |
| 2009 | 64 | 98 | 73 | 74 | 68.2 | 89.6 | 78.9 | 1.39 | 0.00 | 0.47 | 0.00 |
| 2008 | 59 | 101 | 71 | 72 | 66.1 | 88.5 | 77.3 | 12.20 | 0.00 | 7.13 | 0.00 |
| 2007 | 65 | 105 | 76 | 88 | 70.4 | 97.0 | 83.7 | 0.43 | 0.00 | 0.20 | 0.00 |
| 2006 | 61 | 100 | 74 | 71 | 68.7 | 90.1 | 79.4 | 4.40 | 0.00 | 1.87 | 0.00 |
| 2005 | 61 | 95 | 72 | 78 | 68.2 | 88.4 | 78.3 | 6.32 | 0.00 | 1.83 | 0.00 |
| 2004 | 51 | 92 | 73 | 74 | 64.1 | 85.7 | 74.9 | 3.41 | 0.00 | 1.48 | 0.00 |
| 2003 | 64 | 94 | 70 | 82 | 67.8 | 88.6 | 78.2 | 4.14 | 0.00 | 0.83 | 0.00 |
| 2002 | 54 | 101 | 71 | 71 | 66.0 | 92.6 | 79.3 | 4.27 | 0.00 | 1.81 | 0.00 |
| 2001 | 57 | 97 | 73 | 79 | 66.8 | 91.6 | 79.2 | 0.94 | 0.00 | 0.45 | 0.00 |
| 2000 | 56 | 102 | 72 | 82 | 65.1 | 88.7 | 76.9 | 5.33 | 0.00 | 1.52 | 0.00 |
| 1999 | 50 | 102 | 73 | 81 | 67.5 | 93.8 | 80.7 | 0.53 | 0.00 | 0.48 | 0.00 |
| 1998 | 55 | 97 | 72 | 83 | 65.3 | 89.6 | 77.5 | 5.17 | 0.00 | 2.04 | 0.00 |
| 1997 | 54 | 96 | 72 | 79 | 62.6 | 88.4 | 75.5 | 0.74 | 0.00 | 0.42 | 0.00 |
| 1996 | 60 | 93 | 72 | 83 | 65.8 | 87.3 | 76.5 | 2.79 | 0.00 | 0.72 | 0.00 |
| 1995 | 63 | 101 | 73 | 76 | 69.0 | 90.5 | 79.8 | 6.35 | 0.00 | 3.28 | 0.00 |
| 1994 | 58 | 91 | 72 | 78 | 64.3 | 86.2 | 75.2 | 4.94 | 0.00 | 1.75 | 0.00 |
| 1993 | 58 | 96 | 72 | 78 | 66.0 | 89.5 | 77.8 | 3.87 | 0.00 | 1.69 | 0.00 |
| 1992 | 53 | 96 | 70 | 71 | 64.9 | 84.7 | 74.8 | 9.65 | 0.00 | 2.75 | 0.00 |
| 1991 | 56 | 94 | 72 | 72 | 67.2 | 85.5 | 76.3 | 8.19 | 0.00 | 2.02 | 0.00 |
| 1990 | 60 | 97 | 72 | 83 | 67.1 | 90.5 | 78.8 | 4.19 | 0.00 | 1.19 | 0.00 |
| 1989 | 59 | 94 | 73 | 72 | 67.4 | 86.1 | 76.8 | 4.32 | 0.00 | 1.20 | 0.00 |
| 1988 | 58 | 103 | 73 | 82 | 67.6 | 92.1 | 79.9 | 2.65 | 0.00 | 1.35 | 0.00 |
| 1987 | 63 | 100 | 74 | 82 | 69.0 | 92.8 | 80.9 | 1.94 | 0.00 | 1.00 | 0.00 |
| 1986 | 56 | 96 | 71 | 65 | 67.0 | 86.1 | 76.5 | 14.98 | 0.00 | 3.45 | 0.00 |
| 1985 | 60 | 91 | 73 | 77 | 67.4 | 85.1 | 76.3 | 10.21 | 0.00 | 1.84 | 0.00 |
| 1984 | 63 | 92 | 72 | 79 | 68.6 | 86.8 | 77.7 | 2.53 | 0.00 | 0.83 | 0.00 |
| 1983 | 59 | 106 | 78 | 81 | 69.8 | 93.1 | 81.5 | 2.18 | 0.00 | 1.33 | 0.00 |
| 1982 | 61 | 92 | 75 | 79 | 68.0 | 85.9 | 76.9 | 5.38 | 0.00 | 1.95 | 0.00 |
| 1981 | 63 | 93 | 74 | 73 | 67.3 | 85.1 | 76.2 | 4.02 | 0.00 | 1.48 | 0.00 |
| 1980 | 63 | 102 | 75 | 83 | 69.8 | 93.6 | 81.7 | 2.31 | 0.00 | 0.68 | 0.00 |
| 1979 | 56 | 97 | 75 | 83 | 68.6 | 90.3 | 79.5 | 0.85 | 0.00 | 0.67 | 0.00 |
| 1978 | 60 | 96 | 73 | 82 | 69.1 | 90.0 | 79.6 | 2.44 | 0.00 | 1.05 | 0.00 |
| 1977 | 61 | 96 | 73 | 72 | 69.0 | 89.5 | 79.3 | 8.69 | 0.00 | 3.10 | 0.00 |
| 1976 | 55 | 96 | 73 | 74 | 66.2 | 88.6 | 77.4 | 3.23 | 0.00 | 2.10 | 0.00 |
| 1975 | 65 | 98 | 74 | 78 | 69.8 | 90.6 | 80.2 | 2.51 | 0.00 | 1.12 | 0.00 |
| 1974 | 64 | 92 | 74 | 75 | 68.5 | 86.1 | 77.3 | 6.46 | 0.00 | 1.53 | 0.00 |
| 1973 | 60 | 96 | 73 | 79 | 68.6 | 88.0 | 78.3 | 3.33 | 0.00 | 1.62 | 0.00 |
| 1972 | 62 | 94 | 73 | 80 | 67.4 | 88.3 | 77.8 | 3.18 | 0.00 | 1.10 | 0.00 |
| 1971 | 62 | 93 | 72 | 72 | 68.3 | 86.1 | 77.2 | 5.17 | 0.00 | 1.51 | 0.00 |
| 1970 | 64 | 99 | 74 | 74 | 69.7 | 88.3 | 79.0 | 5.71 | 0.00 | 1.42 | 0.00 |
| 1969 | 57 | 93 | 75 | 75 | 66.5 | 85.5 | 76.0 | 8.02 | 0.00 | 2.20 | 0.00 |
| 1968 | 52 | 105 | 75 | 74 | 69.7 | 93.1 | 81.4 | 0.90 | 0.00 | 0.90 | 0.00 |
| 1967 | 58 | 91 | 71 | 75 | 65.9 | 85.4 | 75.6 | 15.23 | 0.00 | 8.40 | 0.00 |
| 1966 | 56 | 94 | 72 | 79 | 65.9 | 89.3 | 77.6 | 7.40 | 0.00 | 2.06 | 0.00 |
| 1965 | 47 | 97 | 72 | 79 | 65.0 | 91.0 | 78.0 | 2.38 | 0.00 | 1.05 | 0.00 |
| 1964 | 55 | 96 | 72 | 67 | 64.8 | 87.2 | 76.0 | 7.27 | 0.00 | 2.98 | 0.00 |
| 1963 | 54 | 99 | 69 | 77 | 62.4 | 92.3 | 77.3 | 2.27 | 0.00 | 1.00 | 0.00 |
| 1962 | 59 | 96 | 71 | 82 | 64.3 | 91.0 | 77.6 | 3.07 | 0.00 | 1.72 | 0.00 |
| 1961 | 53 | 97 | 71 | 75 | 64.6 | 89.1 | 76.8 | 3.37 | 0.00 | 0.72 | 0.00 |
| 1960 | 56 | 97 | 71 | 78 | 66.2 | 90.7 | 78.4 | 2.90 | 0.00 | 0.98 | 0.00 |
| 1959 | 60 | 101 | 71 | 83 | 65.9 | 91.5 | 78.7 | 3.67 | 0.00 | 1.96 | 0.00 |
| 1958 | 57 | 96 | 71 | 77 | 65.3 | 90.6 | 78.0 | 3.76 | 0.00 | 1.30 | 0.00 |
| 1957 | 50 | 100 | 73 | 74 | 61.7 | 90.6 | 76.1 | 2.07 | 0.00 | 1.00 | 0.00 |
| 1956 | 53 | 103 | 70 | 77 | 64.1 | 93.1 | 78.6 | 2.76 | 0.00 | 0.95 | 0.00 |
| 1955 | 66 | 96 | 74 | 85 | 69.9 | 91.2 | 80.5 | 3.62 | 0.00 | 1.90 | 0.00 |
| 1954 | 55 | 104 | 72 | 88 | 64.2 | 95.7 | 79.9 | 1.30 | 0.00 | 0.45 | 0.00 |
| 1953 | 58 | 102 | 74 | 81 | 66.5 | 91.4 | 79.0 | 4.94 | 0.00 | 3.05 | 0.00 |
| 1952 | 55 | 98 | 72 | 72 | 67.2 | 88.7 | 77.9 | 9.61 | 0.00 | 2.42 | 0.00 |
| 1951 | 59 | 100 | 73 | 85 | 68.3 | 92.6 | 80.5 | 1.62 | 0.00 | 0.47 | 0.00 |
| 1950 | 57 | 100 | 71 | 83 | 65.5 | 90.1 | 77.8 | 3.56 | 0.00 | 1.22 | 0.00 |
| 1949 | 58 | 93 | 72 | 64 | 67.4 | 86.4 | 76.9 | 10.82 | 0.00 | 3.03 | 0.00 |
| 1948 | 55 | 99 | 71 | 76 | 65.2 | 88.4 | 76.7 | 7.28 | 0.00 | 2.14 | 0.00 |
| 1947 | 63 | 98 | 72 | 81 | 68.1 | 90.8 | 79.4 | 2.92 | 0.00 | 1.43 | 0.00 |
| 1946 | 52 | 96 | 71 | 77 | 65.3 | 86.9 | 76.1 | 6.61 | 0.00 | 2.24 | 0.00 |
| 1945 | 54 | 94 | 73 | 77 | 66.2 | 86.9 | 76.6 | 5.07 | 0.00 | 1.60 | 0.00 |
| 1944 | 56 | 96 | 72 | 60 | 65.7 | 87.2 | 76.5 | 1.46 | 0.61 | ||
| 1943 | 55 | 100 | 75 | 79 | 68.0 | 91.5 | 79.7 | 3.16 | 2.54 | ||
| 1942 | 53 | 98 | 73 | 78 | 67.2 | 88.7 | 77.9 | 6.52 | 2.17 | ||
| 1941 | 59 | 97 | 75 | 75 | 69.4 | 90.8 | 80.2 | 2.50 | 0.00 | 1.48 | 0.00 |
| 1940 | 56 | 96 | 72 | 80 | 67.4 | 88.5 | 77.9 | 5.28 | 0.00 | 1.06 | 0.00 |
| 1939 | 57 | 96 | 70 | 81 | 66.0 | 89.0 | 77.5 | 4.37 | 0.00 | 0.94 | 0.00 |
| 1938 | 59 | 99 | 72 | 86 | 66.9 | 92.4 | 79.7 | 1.87 | 0.00 | 0.71 | 0.00 |
| 1937 | |||||||||||
| 1936 | 49 | 97 | 76 | 70 | 66.7 | 90.4 | 78.5 | 3.73 | 0.00 | 1.87 | 0.00 |
| 1935 | 51 | 101 | 72 | 81 | 66.3 | 92.3 | 79.9 | 5.36 | 0.00 | 1.97 | 0.00 |
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| 1929 | |||||||||||
| 1928 | 65 | 95 | 82 | 80 | 69.9 | 87.4 | 78.6 | 14.28 | 0.00 | 5.38 | 0.00 |
| 1927 | 54 | 95 | 71 | 80 | 62.9 | 87.5 | 75.0 | 9.52 | 2.65 | ||
| 1926 | 65 | 97 | 76 | 87 | 70.1 | 94.2 | 82.1 | 3.61 | 0.00 | 2.01 | 0.00 |
| 1925 | 56 | 104 | 75 | 82 | 63.5 | 95.3 | 78.1 | 2.05 | 0.00 | 1.60 | 0.00 |
| 1924 | 56 | 99 | 73 | 84 | 68.8 | 92.1 | 80.5 | 1.31 | 0.78 | ||
| 1923 | 59 | 97 | 78 | 71 | 68.5 | 86.5 | 77.5 | 8.10 | 2.10 | ||
| 1922 |
| Station Details for: "Chester 1 Nw" (Chester County) View Map | |
|---|---|
| Weather Source ID | 19478 |
| National Weather Service ID (NWS) | CSTS1 |
| NWS Cooperative Observer ID (COOP) | 381633 |
| International Civil Aviation Organization ID (ICAO) | |
| World Meteorological Organization ID (WMO) | |
| Latitude: 34.7208 Longitude: -81.2261 Elevation: 158.496m (519.998ft) | |
| Zip Code: 29706 | |