CHESTER COUNTY MONTHLY CLIMATOLOGICAL SUMMARY
   
 
    YEAR HIGH HIGH HIGH LOW AVG + OR - PRECIP SNOW     YEAR HIGH HIGH LOW LOW AVG + OR - PRECIP SNOW   YEAR HIGH HIGH LOW LOW AVG + OR - PRECIP SNOW
1 APRIL 1894 1826 60.9 1142 38.1 49.5 (1.2) 4.20 29.2 1 MAY 1894 2272 73.3 1583 51.1 62.2 1.2 11.72 0.0 1 JUNE 1894 2476 82.5 1757 58.6 70.6 0.7 2.29 0.0
2 APRIL 1895 1836 61.2 1156 38.5 49.9 (0.8) 4.63 0.0 2 MAY 1895 2273 73.3 1533 49.5 61.4 0.4 3.65 0.0 2 JUNE 1895 2504.5 83.5 1838 61.3 72.4 2.6 4.76 0.0
3 APRIL 1896 1963 65.4 1272 42.4 53.9 3.2 1.38 0.0 3 MAY 1896 2412 77.8 1697 54.7 66.3 5.3 2.62 0.0 3 JUNE 1896 2368 78.9 1712 57.1 68.0 (1.8) 2.85 0.0
4 APRIL 1897 1958 65.3 1117 37.2 51.3 0.6 3.39 0.0 4 MAY 1897 2296 74.1 1515 48.9 61.5 0.5 7.28 0.0 4 JUNE 1897 2394 79.8 1657 55.2 67.5 (2.3) 2.92 0.0
5 APRIL 1898 1805 60.2 1133 37.8 49.0 (1.7) 3.70 3.0 5 MAY 1898 2240 72.3 1570 50.6 61.5 0.5 4.89 0.0 5 JUNE 1898 2550 85.0 1753 58.4 71.7 1.9 1.46 0.0
6 APRIL 1899 1983 66.1 1122 37.4 51.8 1.1 1.89 0.0 6 MAY 1899 2346 75.7 1530 49.4 62.5 1.5 2.77 0.0 6 JUNE 1899 2579 86.0 1827 60.9 73.4 3.6 2.20 0.0
7 APRIL 1900 1959 65.3 1164 38.8 52.1 1.4 2.19 0.0 7 MAY 1900 2370 76.5 1496 48.3 62.4 1.4 4.73 0.0 7 JUNE 1900 2530 84.3 1826 60.9 72.6 2.8 2.88 0.0
8 APRIL 1901 1774 59.1 1194 39.8 49.5 (1.2) 5.88 0.0 8 MAY 1901 2171 70.0 1551 50.0 60.0 (1.0) 5.30 0.0 8 JUNE 1901 2505 83.5 1739 58.0 70.7 0.9 2.55 0.0
9 APRIL 1902 1874 62.5 1185 39.5 51.0 0.3 4.71 0.0 9 MAY 1902 2302 74.3 1527 49.3 61.8 0.8 1.75 0.0 9 JUNE 1902 2452 81.7 1707 56.9 69.3 (0.5) 6.40 0.0
10 APRIL 1903 1886 62.9 1198 39.9 51.4 0.7 4.38 0.0 10 MAY 1903 2400 77.4 1556 50.2 63.8 2.8 2.18 0.0 10 JUNE 1903 2234 74.5 1692 56.4 65.4 (4.4) 5.80 0.0
11 APRIL 1904 1767 58.9 1087 36.2 47.6 (3.1) 2.22 0.6 11 MAY 1904 2383 76.9 1570 50.6 63.8 2.8 3.08 0.0 11 JUNE 1904 2415 80.5 1743 58.1 69.3 (0.5) 4.66 0.0
12 APRIL 1905 1891 63.0 1160 38.7 50.9 0.2 3.38 0.0 12 MAY 1905 2309 74.5 1585 51.1 62.8 1.8 1.19 0.0 12 JUNE 1905 2438 81.3 1762 58.7 70.0 0.2 3.57 0.0
13 APRIL 1906 1981 66.0 1179 39.3 52.7 2.0 3.99 0.0 13 MAY 1906 2343 75.6 1545 49.8 62.7 1.7 4.55 0.0 13 JUNE 1906 2493 83.1 1838 61.3 72.2 2.4 7.18 0.0
14 APRIL 1907 1698 56.6 1051 35.0 45.8 (4.9) 2.93 3.2 14 MAY 1907 2100 67.7 1414 45.6 56.7 (4.3) 2.77 0.0 14 JUNE 1907 2276 75.9 1636 54.5 65.2 (4.6) 6.92 0.0
15 APRIL 1908 1965 65.5 1209 40.3 52.9 2.2 2.35 0.2 15 MAY 1908 2283 73.6 1643 53.0 63.3 2.3 6.18 0.0 15 JUNE 1908 2508 83.6 1750 58.3 71.0 1.1 3.68 0.0
16 APRIL 1909 1881 62.7 1180 39.3 51.0 0.3 3.43 0.0 16 MAY 1909 2267 73.1 1543 49.8 61.5 0.5 3.10 0.0 16 JUNE 1909 2440 81.3 1830 61.0 71.2 1.3 3.52 0.0
17 APRIL 1910 2039 68.0 1282 42.7 55.4 4.7 5.92 0.0 17 MAY 1910 2219 71.6 1543 49.8 60.7 (0.3) 2.66 0.0 17 JUNE 1910 2330 77.7 1742 58.1 67.9 (2.0) 5.78 0.0
18 APRIL 1911 1771 59.0 1112 37.1 48.1 (2.6) 3.83 4.9 18 MAY 1911 2513 81.1 1652 53.3 67.2 6.2 1.23 0.0 18 JUNE 1911 2435 81.2 1817 60.6 70.9 1.0 5.70 0.0
19 APRIL 1912 1876 62.5 1225 40.8 51.7 1.0 3.32 0.0 19 MAY 1912 2315 74.7 1591 51.3 63.0 2.0 4.39 0.0 19 JUNE 1912 2394 79.8 1753 58.4 69.1 (0.7) 4.61 0.0
20 APRIL 1913 1905 63.5 1278 42.6 53.1 2.4 7.52 0.0 20 MAY 1913 2294 74.0 1524 49.2 61.6 0.6 5.01 0.0 20 JUNE 1913 2507 83.6 1760 58.7 71.1 1.3 2.12 0.0
21 APRIL 1914 1833 61.1 1162 38.7 49.9 (0.8) 3.77 0.0 21 MAY 1914 2399 77.4 1581 51.0 64.2 3.2 1.40 0.0 21 JUNE 1914 2492 83.1 1763 58.8 70.9 1.1 2.98 0.0
22 APRIL 1915 2088 69.6 1272 42.4 56.0 5.3 2.74 11.7 22 MAY 1915 2146 69.2 1481 47.8 58.5 (2.5) 5.49 0.0 22 JUNE 1915 2358 78.6 1723 57.4 68.0 (1.8) 5.85 0.0
23 APRIL 1916 1817 60.6 1220 40.7 50.6 (0.1) 3.19 15.4 23 MAY 1916 2285 73.7 1646 53.1 63.4 2.4 3.53 0.0 23 JUNE 1916 2290 76.3 1723 57.4 66.9 (2.9) 5.65 0.0
24 APRIL 1917 1907 63.6 1217 40.6 52.1 1.4 2.10 5.5 24 MAY 1917 2064 66.6 1389 44.8 55.7 (5.3) 2.72 0.0 24 JUNE 1917 2436 81.2 1802 60.1 70.6 0.8 5.59 0.0
25 APRIL 1918 1866 62.2 1210 40.3 51.3 0.6 3.72 0.0 25 MAY 1918 2437 78.6 1705 55.0 66.8 5.8 2.81 0.0 25 JUNE 1918 2396 79.9 1763 58.8 69.3 (0.5) 2.60 0.0
26 APRIL 1919 1871 62.4 1182 39.4 50.9 0.2 2.89 0.8 26 MAY 1919 2298 74.1 1623 52.4 63.2 2.3 3.68 0.0 26 JUNE 1919 2478 82.6 1829 61.0 71.8 2.0 3.89 0.0
27 APRIL 1920 1813 60.4 1167 38.9 49.7 (1.0) 4.71 0.0 27 MAY 1920 2196 70.8 1457 47.0 58.9 (2.1) 3.53 0.0 27 JUNE 1920 2453 81.8 1779 59.3 70.5 0.7 4.42 0.0
28 APRIL 1921 2124 70.8 1325 44.2 57.5 6.8 2.98 2.0 28 MAY 1921 2268 73.2 1550 50.0 61.6 0.6 4.14 0.0 28 JUNE 1921 2605 86.8 1779 59.3 73.1 3.2 3.62 0.0
29 APRIL 1922 1909 63.6 1183 39.4 51.5 0.8 2.20 0.0 29 MAY 1922 2402 77.5 1597 51.5 64.5 3.5 4.34 0.0 29 JUNE 1922 2476 82.5 1878 62.6 72.6 2.7 4.16 0.0
30 APRIL 1923 1853 61.8 1145 38.2 50.0 (0.7) 5.89 2.5 30 MAY 1923 2252 72.6 1459 47.1 59.9 (1.1) 3.35 0.0 30 JUNE 1923 2561 85.4 1837 61.2 73.3 3.5 1.59 0.0
31 APRIL 1924 1739 58.0 1093 36.4 47.2 (3.5) 6.30 15.0 31 MAY 1924 2062 66.5 1441 46.5 56.5 (4.5) 5.05 0.0 31 JUNE 1924 2321 77.4 1722 57.4 67.4 (2.4) 6.32 0.0
32 APRIL 1925 1910 63.7 1196 39.9 51.8 1.1 4.87 0.0 32 MAY 1925 2179 70.3 1361 43.9 57.1 (3.9) 2.42 0.0 32 JUNE 1925 2599 86.6 1856 61.9 74.3 4.4 1.78 0.0
33 APRIL 1926 1756 58.5 1042 34.7 46.6 (4.1) 1.89 0.0 33 MAY 1926 2267 73.1 1413 45.6 59.4 (1.6) 2.63 0.0 33 JUNE 1926 2300 76.7 1614 53.8 65.2 (4.6) 4.30 0.0
34 APRIL 1927 1829 61.0 1140 38.0 49.5 (1.2) 3.46 0.0 34 MAY 1927 2160 69.7 1504 48.5 59.1 (1.9) 3.06 0.0 34 JUNE 1927 2312 77.1 1649 55.0 66.0 (3.8) 3.34 0.0
35 APRIL 1928 1770 59.0 1057 35.2 47.1 (3.6) 5.43 0.0 35 MAY 1928 2224 71.7 1457 47.0 59.4 (1.6) 2.37 0.0 35 JUNE 1928 2322 77.4 1750 58.3 67.9 (2.0) 10.57 0.0
36 APRIL 1929 1894 63.1 1236 41.2 52.2 1.5 6.72 0.0 36 MAY 1929 2233 72.0 1471 47.5 59.7 (1.2) 4.55 0.0 36 JUNE 1929 2447 81.6 1745 58.2 69.9 0.0 2.52 0.0
37 APRIL 1930 1782 59.4 1083 36.1 47.8 (2.9) 2.70 0.0 37 MAY 1930 2336 75.4 1551 50.0 62.7 1.7 4.33 0.0 37 JUNE 1930 2521 84.0 1807 60.2 72.1 2.3 3.39 0.0
38 APRIL 1931 1830 61.0 1191 39.7 50.4 (0.3) 2.73 0.0 38 MAY 1931 2249 72.5 1571 50.7 61.6 0.6 7.04 0.0 38 JUNE 1931 2443 81.4 1775 59.2 70.3 0.5 2.99 0.0
39 APRIL 1932 1799 60.0 1113 37.1 48.5 (2.2) 1.72 0.0 39 MAY 1932 2247 72.5 1525 49.2 60.8 (0.1) 4.08 0.0 39 JUNE 1932 2457 81.9 1787 59.6 70.7 0.9 2.47 0.0
40 APRIL 1933 1858 61.9 1236 41.2 51.6 0.9 5.37 0.0 40 MAY 1933 2319 74.8 1656 53.4 64.1 3.1 5.81 0.0 40 JUNE 1933 2542 84.7 1826 60.9 72.8 3.0 3.66 0.0
41 APRIL 1934 1879 62.6 1152 38.4 50.5 (0.2) 3.54 0.0 41 MAY 1934 2341 75.5 1613 52.0 63.8 2.8 4.73 0.0 41 JUNE 1934 2586 86.2 1863 62.1 74.2 4.3 6.15 0.0
42 APRIL 1935 1779 59.3 1186 39.5 49.4 (1.3) 4.57 0.0 42 MAY 1935 2199 70.9 1445 46.6 58.8 (2.2) 1.86 0.0 42 JUNE 1935 2469 82.3 1732 57.7 70.0 0.2 5.47 0.0
43 APRIL 1936 1797 59.9 1117 37.2 48.6 (2.1) 3.21 0.0 43 MAY 1936 2392 77.2 1574 50.8 64.0 3.0 1.91 0.0 43 JUNE 1936 2438 81.3 1757 58.6 69.9 0.1 4.80 0.0
44 APRIL 1937 1671 55.7 1175 39.2 47.4 (3.3) 5.61 0.0 44 MAY 1937 2051 66.2 1542 49.7 58.0 (3.0) 3.91 0.0 44 JUNE 1937 2465 82.2 1819 60.6 71.4 1.6 3.31 0.0
45 APRIL 1938 1927 64.2 1235 41.2 52.7 2.0 1.81 0.0 45 MAY 1938 2147 69.3 1546 49.9 59.6 (1.4) 2.97 0.0 45 JUNE 1938 2402 80.1 1738 57.9 69.0 (0.8) 12.18 0.0
46 APRIL 1939 1740 58.0 1120 37.3 47.7 (3.0) 4.88 0.0 46 MAY 1939 2275 73.4 1582 51.0 62.2 1.2 1.11 0.0 46 JUNE 1939 2501 83.4 1774 59.1 71.3 1.4 7.27 0.0
47 APRIL 1940 1660 55.3 1021 34.0 44.7 (6.0) 5.79 1.0 47 MAY 1940 2201 71.0 1499 48.4 59.7 (1.3) 3.87 0.0 47 JUNE 1940 2431 81.0 1686 56.2 68.6 (1.2) 3.03 0.0
48 APRIL 1941 2097 69.9 1267 42.2 56.1 5.4 2.31 0.0 48 MAY 1941 2375 76.6 1570 50.6 63.6 2.6 1.70 0.0 48 JUNE 1941 2448 81.6 1777 59.2 70.4 0.6 3.81 0.0
49 APRIL 1942 2033 67.8 1299 43.3 55.5 4.8 1.39 0.0 49 MAY 1942 2407 77.6 1711 55.2 66.4 5.4 4.96 0.0 49 JUNE 1942 2469 82.3 1867 62.2 72.3 2.4 2.43 0.0
50 APRIL 1943 1718 57.3 1083 36.1 46.7 (4.0) 3.44 0.0 50 MAY 1943 2289 73.8 1648 53.2 63.5 2.5 5.30 0.0 50 JUNE 1943 2639 88.0 2040 68.0 78.0 8.2 4.12 0.0
51 APRIL 1944 1796 59.9 1161 38.7 49.3 (1.4) 4.79 0.0 51 MAY 1944 2496 80.5 1752 56.5 68.5 7.5 3.19 0.0 51 JUNE 1944 2506 83.5 1897 63.2 73.4 3.6 3.09 0.0
52 APRIL 1945 1994 66.5 1332 44.4 55.4 4.7 2.91 0.0 52 MAY 1945 2196 70.8 1525 49.2 60.0 (1.0) 4.45 0.0 52 JUNE 1945 2512 83.7 1832 61.1 72.4 2.6 4.42 0.0
53 APRIL 1946 1860 62.0 1111 37.0 49.5 (1.2) 1.35 0.0 53 MAY 1946 2252 72.6 1511 48.7 60.7 (0.3) 5.57 0.0 53 JUNE 1946 2357 78.6 1680 56.0 67.3 (2.5) 8.53 0.0
54 APRIL 1947 1864 62.1 1131 37.7 49.9 (0.8) 2.65 0.0 54 MAY 1947 2220 71.6 1486 47.9 59.8 (1.2) 5.78 0.0 54 JUNE 1947 2359 78.6 1638 54.6 66.6 (3.2) 4.58 0.0
55 APRIL 1948 1845 61.5 1182 39.4 50.5 (0.2) 2.90 0.0 55 MAY 1948 2206 71.2 1541 49.7 60.4 (0.6) 9.14 0.0 55 JUNE 1948 2412 80.4 1718 57.3 68.8 (1.0) 6.58 0.0
56 APRIL 1949 1855 61.8 1130 37.7 49.8 (0.9) 3.09 0.0 56 MAY 1949 2280 73.5 1491 48.1 60.8 (0.2) 4.45 0.0 56 JUNE 1949 2502 83.4 1763 58.8 71.1 1.3 0.63 0.0
57 APRIL 1950 1724 57.5 1086 36.2 46.8 (3.9) 1.77 0.0 57 MAY 1950 2140 69.0 1509 48.7 58.9 (2.1) 5.89 0.0 57 JUNE 1950 2382 79.4 1659 55.3 67.4 (2.5) 2.36 0.0
58 APRIL 1951 1901 63.4 1149 38.3 50.8 0.1 3.38 0.0 58 MAY 1951 2287 73.8 1516 48.9 61.3 0.4 3.58 0.0 58 JUNE 1951 2412 80.4 1744 58.1 69.3 (0.6) 6.60 0.0
59 APRIL 1952 1890 63.0 1257 41.9 52.5 1.8 7.03 0.0 59 MAY 1952 2189 70.6 1479 47.7