CHESTER COUNTY MONTHLY CLIMATOLOGICAL SUMMARY
   
  YEAR HIGH HIGH LOW LOW AVG + OR - PRECIP SNOW   YEAR HIGH HIGH LOW LOW AVG + OR - PRECIP SNOW   YEAR HIGH HIGH LOW LOW AVG + OR - PRECIP SNOW
1 OCTOBER 1894 2052 66.2 1388 44.8 55.5 1.5 5.57 0.0 1 NOV 1894 1488 49.6 874 29.1 39.4 (3.8) 2.73 0.0 1 DEC 1894 1327 42.8 753 24.3 33.5 0.6 4.70 5.0
2 OCTOBER 1895 1961 63.3 1042 33.6 48.4 (5.6) 3.34 0.0 2 NOV 1895 1670 55.7 1016 33.9 44.8 1.6 2.39 0.0 2 DEC 1895 1442 46.5 805 26.0 36.2 3.3 2.98 0.7
3 OCTOBER 1896 1835 59.2 1261 40.7 49.9 (4.1) 2.96 0.0 3 NOV 1896 1780 59.3 1083 36.1 47.7 4.5 4.25 4.9 3 DEC 1896 1318 42.5 669.5 21.6 32.1 (0.9) 0.59 4.5
4 OCTOBER 1897 2130 68.7 1346 43.4 56.1 2.1 2.60 0.0 4 NOV 1897 1622 54.1 1009 33.6 43.9 0.6 5.83 1.5 4 DEC 1897 1372 44.3 823 26.5 35.4 2.5 4.96 6.5
5 OCTOBER 1898 2107 68.0 1358 43.8 55.9 1.9 4.76 0.0 5 NOV 1898 1591 53.0 949 31.6 42.3 (0.9) 6.59 11.4 5 DEC 1898 1321 42.6 717 23.1 32.9 (0.1) 4.45 2.0
6 OCTOBER 1899 2149 69.3 1381 44.5 56.9 2.9 1.74 0.0 6 NOV 1899 1703 56.8 978 32.6 44.7 1.5 2.38 0.0 6 DEC 1899 1439 46.4 732 23.6 35.0 2.1 2.16 0.5
7 OCTOBER 1900 2237 72.2 1560 50.3 61.2 7.2 1.45 0.0 7 NOV 1900 1701 56.7 1113 37.1 46.9 3.7 2.02 0.0 7 DEC 1900 1373 44.3 752 24.3 34.3 1.3 2.47 0.4
8 OCTOBER 1901 2138 69.0 1260 40.6 54.8 0.8 1.73 0.0 8 NOV 1901 1460 48.7 881 29.4 39.0 (4.2) 2.82 2.1 8 DEC 1901 1328 42.8 703 22.7 32.8 (0.2) 9.24 1.3
9 OCTOBER 1902 2097 67.6 1367 44.1 55.9 1.9 6.78 0.0 9 NOV 1902 1795 59.8 1167 38.9 49.4 6.2 2.28 0.0 9 DEC 1902 1223 39.5 680 21.9 30.7 (2.2) 7.73 10.1
10 OCTOBER 1903 2089 67.4 1397 45.1 56.2 2.2 6.22 0.0 10 NOV 1903 1580 52.7 856 28.5 40.6 (2.6) 1.26 0.3 10 DEC 1903 1180 38.1 612 19.7 28.9 (4.0) 4.16 10.9
11 OCTOBER 1904 2043 65.9 1182 38.1 52.0 (2.0) 6.18 0.0 11 NOV 1904 1734 57.8 1068 35.6 46.7 3.5 1.97 2.7 11 DEC 1904 1055 34.0 546 17.6 25.8 (7.1) 3.08 20.8
12 OCTOBER 1905 2109 68.0 1325 42.7 55.4 1.4 5.13 0.0 12 NOV 1905 1601 53.4 891 29.7 41.5 (1.7) 2.16 0.0 12 DEC 1905 1410 45.5 832 26.8 36.2 3.2 3.79 2.5
13 OCTOBER 1906 1961 63.3 1387 44.7 54.0 (0.0) 6.37 0.0 13 NOV 1906 1625 54.2 1036 34.5 44.4 1.1 1.50 9.5 13 DEC 1906 1289 41.6 767 24.7 33.2 0.2 5.34 0.5
14 OCTOBER 1907 1975 63.7 1168 37.7 50.7 (3.3) 3.04 0.0 14 NOV 1907 1548 51.6 1011 33.7 42.7 (0.6) 7.52 4.2 14 DEC 1907 1366 44.1 844 27.2 35.6 2.7 5.51 9.7
15 OCTOBER 1908 2167 69.9 1405 45.3 57.6 3.6 1.86 0.0 15 NOV 1908 1619 54.0 955 31.8 42.9 (0.3) 1.22 6.3 15 DEC 1908 1333 43.0 769 24.8 33.9 1.0 3.36 10.2
16 OCTOBER 1909 1965 63.4 1212 39.1 51.2 (2.8) 1.77 0.0 16 NOV 1909 1734 57.8 1068 35.6 46.7 3.5 1.97 2.7 16 DEC 1909 1184 38.2 666 21.5 29.8 (3.1) 8.50 39.3
17 OCTOBER 1910 2152 69.4 1411 45.5 57.5 3.5 3.09 0.0 17 NOV 1910 1438 47.9 941 31.4 39.7 (3.6) 3.17 9.3 17 DEC 1910 1089 35.1 560 18.1 26.6 (6.3) 2.85 16.5
18 OCTOBER 1911 2016 65.0 1394 45.0 55.0 1.0 4.37 0.0 18 NOV 1911 1508 50.3 946 31.5 40.9 (2.3) 4.36 0.3 18 DEC 1911 1447 46.7 927 29.9 38.3 5.4 3.95 3.1
19 OCTOBER 1912 2171 70.0 1393 44.9 57.5 3.5 3.36 0.0 19 NOV 1912 1663 55.4 1051 35.0 45.2 2.0 1.82 0.1 19 DEC 1912 1426 46.0 806 26.0 36.0 3.1 4.79 10.3
20 OCTOBER 1913 2054 66.3 1514 48.8 57.5 3.5 5.20 0.0 20 NOV 1913 1687 56.2 1102 36.7 46.5 3.3 2.41 0.0 20 DEC 1913 1456 47.0 897 28.9 38.0 5.0 3.03 1.3
21 OCTOBER 1914 2159 69.6 1482 47.8 58.7 4.7 1.57 0.0 21 NOV 1914 1661 55.4 916 30.5 43.0 (0.3) 2.34 0.0 21 DEC 1914 1160 37.4 702 22.6 30.0 (2.9) 5.98 3.2
22 OCTOBER 1915 2101 67.8 1409 45.5 56.6 2.6 1.85 0.0 22 NOV 1915 1663 55.4 917 30.6 43.0 (0.2) 1.96 0.2 22 DEC 1915 1256 40.5 686 22.1 31.3 (1.6) 4.70 11.5
23 OCTOBER 1916 2116 68.3 1276 41.2 54.7 0.7 2.16 0.0 23 NOV 1916 1639 54.6 973 32.4 43.5 0.3 1.72 0.0 23 DEC 1916 1250 40.3 710 22.9 31.6 (1.3) 5.53 14.9
24 OCTOBER 1917 1936 62.5 1188 38.3 50.4 (3.6) 6.27 0.0 24 NOV 1917 1574 52.5 935 31.2 41.8 (1.4) 1.01 2.4 24 DEC 1917 1032 33.3 521 16.8 25.0 (7.9) 2.69 21.3
25 OCTOBER 1918 2177 70.2 1441 46.5 58.4 4.4 1.07 0.0 25 NOV 1918 1648 54.9 980 32.7 43.8 0.6 2.06 0.0 25 DEC 1918 1474 47.5 901 29.1 38.3 5.4 4.70 1.0
26 OCTOBER 1919 2165 69.8 1576 50.8 60.3 6.3 2.85 0.0 26 NOV 1919 1619 54.0 994 33.1 43.6 0.3 3.98 0.0 26 DEC 1919 1165 37.6 560 18.1 27.8 (5.1) 3.14 7.9
27 OCTOBER 1920 2259 72.9 1468 47.4 60.1 6.1 0.98 0.0 27 NOV 1920 1495 49.8 1011 33.7 41.8 (1.4) 3.42 0.4 27 DEC 1920 1313 42.4 845 27.3 34.8 1.9 4.39 0.8
28 OCTOBER 1921 2101 67.8 1229 39.6 53.7 (0.3) 1.05 0.0 28 NOV 1921 1537 51.2 1047 34.9 43.1 (0.1) 5.27 0.0 28 DEC 1921 1234 39.8 690 22.3 31.0 (1.9) 2.59 6.7
29 OCTOBER 1922 2107 68.0 1323 42.7 55.3 1.3 1.03 0.0 29 NOV 1922 1548 51.6 972 32.4 42.0 (1.2) 0.52 0.0 29 DEC 1922 1214 39.2 696 22.5 30.8 (2.1) 3.41 2.0
30 OCTOBER 1923 1994 64.3 1235 39.8 52.1 (1.9) 4.11 0.0 30 NOV 1923 1503 50.1 908 30.3 40.2 (3.0) 2.45 0.0 30 DEC 1923 1482 47.8 921 29.7 38.8 5.8 5.01 3.2
31 OCTOBER 1924 2067 66.7 1201 38.7 52.7 (1.3) 0.05 0.0 31 NOV 1924 1518 50.6 875 29.2 39.9 (3.3) 2.07 1.1 31 DEC 1924 1260 40.6 686 22.1 31.4 (1.5) 2.71 0.2
32 OCTOBER 1925 1757 56.7 1166 37.6 47.1 (6.9) 5.57 3.5 32 NOV 1925 1482 49.4 871 29.0 39.2 (4.0) 2.87 0.3 32 DEC 1925 1220 39.4 742 23.9 31.6 (1.3) 1.22 0.2
33 OCTOBER 1926 1930 62.3 1242 40.1 51.2 (2.8) 4.59 0.0 33 NOV 1926 1522 50.7 866 28.9 39.8 (3.4) 5.47 0.0 33 DEC 1926 1062 34.3 576 18.6 26.4 (6.5) 2.75 3.8
34 OCTOBER 1927 2066 66.6 1343 43.3 55.0 1.0 6.40 0.0 34 NOV 1927 1684 56.1 1089 36.3 46.2 3.0 4.90 0.8 34 DEC 1927 1308 42.2 754 24.3 33.3 0.3 4.42 4.4
35 OCTOBER 1928 2099 67.7 1301 42.0 54.8 0.8 0.65 0.0 35 NOV 1928 1622 54.1 1026 34.2 44.1 0.9 2.22 0.4 35 DEC 1928 1360 43.9 758 24.5 34.2 1.2 1.51 1.3
36 OCTOBER 1929 1973 63.6 1178 38.0 50.8 (3.2) 6.11 0.0 36 NOV 1929 1562 52.1 1037 34.6 43.3 0.1 3.22 0.0 36 DEC 1929 1314 42.4 749 24.2 33.3 0.3 2.57 8.8
37 OCTOBER 1930 1958 63.2 1301 42.0 52.6 (1.4) 0.83 0.0 37 NOV 1930 1549 51.6 1051 35.0 43.3 0.1 1.63 0.0 37 DEC 1930 1189 38.4 799 25.8 32.1 (0.9) 2.69 1.5
38 OCTOBER 1931 2155 69.5 1438 46.4 58.0 3.9 1.58 0.0 38 NOV 1931 1779 59.3 1228 40.9 50.1 6.9 0.74 2.0 38 DEC 1931 1464 47.2 988 31.9 39.5 6.6 2.30 0.0
39 OCTOBER 1932 2025 65.3 1403 45.3 55.3 1.3 5.88 0.0 39 NOV 1932 1537 51.2 940 31.3 41.3 (1.9) 7.42 0.0 39 DEC 1932 1369 44.2 833 26.9 35.5 2.6 3.09 10.5
40 OCTOBER 1933 2029 65.5 1284 41.4 53.4 (0.6) 1.91 0.0 40 NOV 1933 1481 49.4 931 31.0 40.2 (3.0) 0.98 0.0 40 DEC 1933 1258 40.6 735 23.7 32.1 (0.8) 2.31 7.8
41 OCTOBER 1934 1941 62.6 1271 41.0 51.8 (2.2) 1.24 0.0 41 NOV 1934 1668 55.6 1126 37.5 46.6 3.4 4.73 0.0 41 DEC 1934 1244 40.1 747 24.1 32.1 (0.8) 3.05 0.3
42 OCTOBER 1935 2068 66.7 1310 42.3 54.5 0.5 2.99 0.0 42 NOV 1935 1642 54.7 1172 39.1 46.9 3.7 6.39 0.5 42 DEC 1935 1072 34.6 669 21.6 28.1 (4.9) 2.31 10.3
43 OCTOBER 1936 1972 63.6 1381 44.5 54.1 0.1 3.24 0.0 43 NOV 1936 1333 44.4 929 31.0 37.7 (5.5) 1.15 1.0 43 DEC 1936 1358 43.8 856 27.6 35.7 2.8 7.10 3.5
44 OCTOBER 1937 1927 62.2 1288 41.5 51.9 (2.1) 7.21 0.0 44 NOV 1937 1526 50.9 987 32.9 41.9 (1.3) 3.66 1.0 44 DEC 1937 1173 37.8 761 24.5 31.2 (1.7) 1.36 2.0
45 OCTOBER 1938 2060 66.5 1336 43.1 54.8 0.8 2.35 0.0 45 NOV 1938 1649 55.0 995 33.2 44.1 0.9 2.48 10.0 45 DEC 1938 1281 41.3 805 26.0 33.6 0.7 3.71 1.0
46 OCTOBER 1939 1971 63.6 1295 41.8 52.7 (1.3) 5.29 0.0 46 NOV 1939 1470 49.0 925 30.8 39.9 (3.3) 0.65 0.0 46 DEC 1939 1281 41.3 820 26.5 33.9 1.0 2.28 3.9
47 OCTOBER 1940 1883 60.7 1209 39.0 49.9 (4.1) 2.71 1.0 47 NOV 1940 1537 51.2 1020 34.0 42.6 (0.6) 4.98 0.3 47 DEC 1940 1408 45.4 843 27.2 36.3 3.4 3.59 3.5
48 OCTOBER 1941 2178 70.3 1543 49.8 60.0 6.0 1.54 0.0 48 NOV 1941 1723 57.4 1070 35.7 46.6 3.3 2.41 0.0 48 DEC 1941 1374 44.3 930 30.0 37.2 4.2 3.74 0.0
49 OCTOBER 1942 2022 65.2 1428 46.1 55.6 1.6 4.69 0.0 49 NOV 1942 1620 54.0 1048 34.9 44.5 1.3 3.96 0.0 49 DEC 1942 1136 36.6 708 22.8 29.7 (3.2) 4.75 7.3
50 OCTOBER 1943 1935 62.4 1353 43.6 53.0 (1.0) 7.62 0.0 50 NOV 1943 1560 52.0 1003 33.4 42.7 (0.5) 3.32 0.0 50 DEC 1943 1265 40.8 697 22.5 31.6 (1.3) 1.40 0.0
51 OCTOBER 1944 1981 63.9 1348 43.5 53.7 (0.3) 2.38 0.0 51 NOV 1944 1546 51.5 1114 37.1 44.3 1.1 4.33 0.0 51 DEC 1944 1152 37.2 719 23.2 30.2 (2.8) 4.00 4.0
52 OCTOBER 1945 2016 65.0 1367 44.1 54.6 0.6 1.93 0.0 52 NOV 1945 1638 54.6 1088 36.3 45.4 2.2 5.13 0.0 52 DEC 1945 1094 35.3 684 22.1 28.7 (4.3) 5.07 14.0
53 OCTOBER 1946 2184 70.5 1446 46.6 58.5 4.5 2.20 0.0 53 NOV 1946 1708 56.9 1096 36.5 46.7 3.5 1.07 0.0 53 DEC 1946 1421 45.8 803 25.9 35.9 2.9 2.48 1.0
54 OCTOBER 1947 2265 73.1 1394 45.0 59.0 5.0 0.93 0.0 54 NOV 1947 1490 49.7 913 30.4 40.1 (3.2) 6.14 0.0 54 DEC 1947 1278 41.2 612 19.7 30.5 (2.5) 1.58 5.1
55 OCTOBER 1948 1962 63.3 1225 39.5 51.4 (2.6) 1.37 0.0 55 NOV 1948 1764 58.8 1061 35.4 47.1 3.9 4.41 0.0 55 DEC 1948 1354 43.7 738 23.8 33.7 0.8 4.91 5.7
56 OCTOBER 1949 2182 70.4 1433 46.2 58.3 4.3 3.08 0.0 56 NOV 1949 1576 52.5 868 28.9 40.7 (2.5) 1.12 0.0 56 DEC 1949 1413 45.6 753 24.3 34.9 2.0 3.50 1.0
57 OCTOBER 1950 2117 68.3 1374 44.3 56.3 2.3 3.10 0.0 57 NOV 1950 1618 53.9 937 31.2 42.6 (0.6) 4.88 2.0 57 DEC 1950 1202 38.8 666 21.5 30.1 (2.8) 3.12 1.2
58 OCTOBER 1951 2121 68.4 1390 44.8 56.6 2.6 4.90 0.0 58 NOV 1951 1468 48.9 833 27.8 38.4 (4.9) 5.40 0.0 58 DEC 1951 1372 44.3 732 23.6