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
JULY
1894
2698.5
87.0
1970
63.5
75.3
0.9
4.61
0.0
1
AUGUST
1894
2515
81.1
1862
60.1
70.6
(1.9)
2.89
0.0
1
SEP
1894
2334
77.8
1743
58.1
68.0
2.3
8.42
0.0
2
JULY
1895
2546
82.1
1845
59.5
70.8
(3.6)
2.20
0.0
2
AUGUST
1895
2719
87.7
1924
62.1
74.9
2.4
2.65
0.0
2
SEP
1895
2478.5
82.6
1708
56.9
69.8
4.2
1.42
0.0
3
JULY
1896
2656
85.7
2018
65.1
75.4
1.0
3.04
0.0
3
AUGUST
1896
2679
86.4
1902
61.4
73.9
1.4
0.63
0.0
3
SEP
1896
2307
76.9
1622
54.1
65.5
(0.1)
8.31
0.0
4
JULY
1897
2677
86.4
2016
65.0
75.7
1.3
6.47
0.0
4
AUGUST
1897
2642
85.2
1847
59.6
72.4
(0.1)
3.00
0.0
4
SEP
1897
2465
82.2
1568
52.3
67.2
1.6
1.63
0.0
5
JULY
1898
2785
89.8
2009
64.8
77.3
2.9
3.21
0.0
5
AUGUST
1898
2685
86.6
2002
64.6
75.6
3.1
7.03
0.0
5
SEP
1898
2483
82.8
1671
55.7
69.2
3.6
2.73
0.0
6
JULY
1899
2750
88.7
1951
62.9
75.8
1.4
3.46
0.0
6
AUGUST
1899
2659
85.8
1936
62.5
74.1
1.6
4.52
0.0
6
SEP
1899
2356
78.5
1553
51.8
65.2
(0.5)
5.70
0.0
7
JULY
1900
2832
91.4
2019
65.1
78.2
3.8
5.31
0.0
7
AUGUST
1900
2817
90.9
2047
66.0
78.5
6.0
5.60
0.0
7
SEP
1900
2489
83.0
1793
59.8
71.4
5.8
2.62
0.0
8
JULY
1901
2783.5
89.8
2126
68.6
79.2
4.8
5.51
0.0
8
AUGUST
1901
2633
84.9
2037
65.7
75.3
2.8
8.49
0.0
8
SEP
1901
2399
80.0
1653
55.1
67.5
1.9
5.00
0.0
9
JULY
1902
2675
86.3
1998
64.5
75.4
0.9
3.19
0.0
9
AUGUST
1902
2607
84.1
1817
58.6
71.4
(1.1)
2.78
0.0
9
SEP
1902
2303
76.8
1613
53.8
65.3
(0.3)
8.31
0.0
10
JULY
1903
2687
86.7
1940
62.6
74.6
0.2
5.55
0.0
10
AUGUST
1903
2474
79.8
1874
60.5
70.1
(2.4)
4.94
0.0
10
SEP
1903
2364
78.8
1613
53.8
66.3
0.7
1.90
0.0
11
JULY
1904
2621
84.5
1932
62.3
73.4
(1.0)
3.91
0.0
11
AUGUST
1904
2562
82.6
1846
59.5
71.1
(1.4)
4.86
0.0
11
SEP
1904
2321
77.4
1614
53.8
65.6
(0.0)
5.67
0.0
12
JULY
1905
2638
85.1
2032
65.5
75.3
0.9
4.24
0.0
12
AUGUST
1905
2550
82.3
1927
62.2
72.2
(0.3)
6.83
0.0
12
SEP
1905
2286
76.2
1826
60.9
68.5
2.9
3.59
0.0
13
JULY
1906
2631
84.9
1982
63.9
74.4
(0.0)
5.49
0.0
13
AUGUST
1906
2604
84.0
2095
67.6
75.8
3.3
8.49
0.0
13
SEP
1906
2437
81.2
1762
58.7
70.0
4.4
0.71
0.0
14
JULY
1907
2674
86.3
1990
64.2
75.2
0.8
3.42
0.0
14
AUGUST
1907
2552
82.3
1883
60.7
71.5
(1.0)
2.64
0.0
14
SEP
1907
2328
77.6
1738
57.9
67.8
2.2
8.24
0.0
15
JULY
1908
2739
88.4
2041
65.8
77.1
2.7
4.32
0.0
15
AUGUST
1908
2567
82.8
1890
61.0
71.9
(0.6)
5.52
0.0
15
SEP
1908
2367
78.9
1620
54.0
66.5
0.8
1.95
0.0
16
JULY
1909
2647
85.4
1863
60.1
72.7
(1.7)
1.16
0.0
16
AUGUST
1909
2621
84.5
1826
58.9
71.7
(0.8)
0.46
0.0
16
SEP
1909
2332
77.7
1603
53.4
65.6
(0.0)
2.59
0.0
17
JULY
1910
2701
87.1
1992
64.3
75.7
1.3
2.96
0.0
17
AUGUST
1910
2530
81.6
1907
61.5
71.6
(0.9)
5.13
0.0
17
SEP
1910
2395
79.8
1729
57.6
68.7
3.1
1.77
0.0
18
JULY
1911
2756
88.9
2061
66.5
77.7
3.3
4.17
0.0
18
AUGUST
1911
2599
83.8
1972
63.6
73.7
1.2
9.05
0.0
18
SEP
1911
2343
78.1
1725
57.5
67.8
2.2
3.29
0.0
19
JULY
1912
2638
85.1
1968
63.5
74.3
(0.1)
5.24
0.0
19
AUGUST
1912
2520
81.3
1867
60.2
70.8
(1.7)
4.85
0.0
19
SEP
1912
2318
77.3
1761
58.7
68.0
2.4
5.12
0.0
20
JULY
1913
2726
87.9
1966
63.4
75.7
1.3
2.19
0.0
20
AUGUST
1913
2616
84.4
1912
61.7
73.0
0.5
4.39
0.0
20
SEP
1913
2276
75.9
1630
54.3
65.1
(0.5)
2.76
0.0
21
JULY
1914
2572
83.0
1977
63.8
73.4
(1.1)
10.29
0.0
21
AUGUST
1914
2639
85.1
1984
64.0
74.6
2.1
2.67
0.0
21
SEP
1914
2341
78.0
1505
50.2
64.1
(1.5)
0.26
0.0
22
JULY
1915
2623
84.6
1953
63.0
73.8
(0.6)
4.24
0.0
22
AUGUST
1915
2507
80.9
1916
61.8
71.3
(1.2)
9.84
0.0
22
SEP
1915
2441
81.4
1743
58.1
69.7
4.1
1.85
0.0
23
JULY
1916
2637
85.1
2075
66.9
76.0
1.6
10.62
0.0
23
AUGUST
1916
2665
86.0
1987
64.1
75.0
2.5
1.26
0.0
23
SEP
1916
2364
78.8
1595
53.2
66.0
0.4
2.46
0.0
24
JULY
1917
2620
84.5
2054
66.3
75.4
1.0
3.29
0.0
24
AUGUST
1917
2672
86.2
2000
64.5
75.4
2.9
1.58
0.0
24
SEP
1917
2220
74.0
1556
51.9
62.9
(2.7)
3.86
0.0
25
JULY
1918
2675
86.3
1936
62.5
74.4
(0.1)
1.73
0.0
25
AUGUST
1918
2743
88.5
2014
65.0
76.7
4.2
2.16
0.0
25
SEP
1918
2237
74.6
1574
52.5
63.5
(2.1)
3.51
0.0
26
JULY
1919
2644
85.3
2036
65.7
75.5
1.1
9.48
0.0
26
AUGUST
1919
2540
81.9
1906
61.5
71.7
(0.8)
4.78
0.0
26
SEP
1919
2379
79.3
1670
55.7
67.5
1.9
1.85
0.0
27
JULY
1920
2605
84.0
1945
62.7
73.4
(1.0)
4.64
0.0
27
AUGUST
1920
2559
82.5
2016
65.0
73.8
1.3
5.93
0.0
27
SEP
1920
2384
79.5
1712
57.1
68.3
2.7
3.56
0.0
28
JULY
1921
2796
90.2
2085
67.3
78.7
4.3
2.09
0.0
28
AUGUST
1921
2589
83.5
1819
58.7
71.1
(1.4)
2.96
0.0
28
SEP
1921
2499
83.3
1773
59.1
71.2
5.6
2.52
0.0
29
JULY
1922
2653
85.6
1989
64.2
74.9
0.4
5.85
0.0
29
AUGUST
1922
2552
82.3
1917
61.8
72.1
(0.4)
3.27
0.0
29
SEP
1922
2349
78.3
1653
55.1
66.7
1.1
0.75
0.0
30
JULY
1923
2622
84.6
1919
61.9
73.2
(1.2)
1.58
0.0
30
AUGUST
1923
2552
82.3
1873
60.4
71.4
(1.1)
6.11
0.0
30
SEP
1923
2310
77.0
1698
56.6
66.8
1.2
3.98
0.0
31
JULY
1924
2572
83.0
1920
61.9
72.5
(2.0)
2.89
0.0
31
AUGUST
1924
2567
82.8
1888
60.9
71.9
(0.6)
3.18
0.0
31
SEP
1924
2157
71.9
1505
50.2
61.0
(4.6)
6.72
0.0
32
JULY
1925
2604
84.0
1908
61.5
72.8
(1.7)
5.35
0.0
32
AUGUST
1925
2555
82.4
1806
58.3
70.3
(2.2)
2.04
0.0
32
SEP
1925
2372
79.1
1692
56.4
67.7
2.1
1.92
0.0
33
JULY
1926
2594
83.7
1948
62.8
73.3
(1.2)
6.29
0.0
33
AUGUST
1926
2532
81.7
1966
63.4
72.5
0.1
4.62
0.0
33
SEP
1926
2205
73.5
1640
54.7
64.1
(1.5)
4.50
0.0
34
JULY
1927
2617
84.4
1976
63.7
74.1
(0.3)
3.98
0.0
34
AUGUST
1927
2390
77.1
1752
56.5
66.8
(5.7)
4.48
0.0
34
SEP
1927
2324
77.5
1596
53.2
65.3
(0.3)
3.00
0.0
35
JULY
1928
2659
85.8
2017
65.1
75.4
1.0
7.24
0.0
35
AUGUST
1928
2627
84.7
2063
66.5
75.6
3.1
8.59
0.0
35
SEP
1928
2140
71.3
1590
53.0
62.2
(3.4)
4.80
0.0
36
JULY
1929
2637
85.1
1910
61.6
73.3
(1.1)
3.21
0.0
36
AUGUST
1929
2529
81.6
1794
57.9
69.7
(2.8)
4.67
0.0
36
SEP
1929
2391
79.7
1639
54.6
67.2
1.6
3.39
0.0
37
JULY
1930
2707
87.3
1962
63.3
75.3
0.9
3.17
0.0
37
AUGUST
1930
2626
84.7
1836
59.2
72.0
(0.5)
1.87
0.0
37
SEP
1930
2436
81.2
1776
59.2
70.2
4.6
4.84
0.0
38
JULY
1931
2714
87.5
2078
67.0
77.3
2.9
7.80
0.0
38
AUGUST
1931
2560
82.6
1976
63.7
73.2
0.7
5.20
0.0
38
SEP
1931
2451
81.7
1834
61.1
71.4
5.8
2.03
0.0
39
JULY
1932
2664
85.9
1971
63.6
74.8
0.3
2.56
0.0
39
AUGUST
1932
2672
86.2
1917
61.8
74.0
1.5
4.66
0.0
39
SEP
1932
2376
79.2
1651
55.0
67.1
1.5
1.09
0.0
40
JULY
1933
2650
85.5
1925
62.1
73.8
(0.6)
6.23
0.0
40
AUGUST
1933
2562
82.6
1967
63.5
73.0
0.6
13.29
0.0
40
SEP
1933
2341
78.0
1766
58.9
68.5
2.8
4.21
0.0
41
JULY
1934
2740
88.4
2014
65.0
76.7
2.3
4.34
0.0
41
AUGUST
1934
2522
81.4
1854
59.8
70.6
(1.9)
3.87
0.0
41
SEP
1934
2306
76.9
1742
58.1
67.5
1.9
6.96
0.0
42
JULY
1935
2739
88.4
2053
66.2
77.3
2.9
6.70
0.0
42
AUGUST
1935
2603
84.0
1945
62.7
73.4
0.9
1.57
0.0
42
SEP
1935
2231
74.4
1571
52.4
63.4
(2.2)
5.56
0.0
43
JULY
1936
2667
86.0
1962
63.3
74.7
0.2
2.45
0.0
43
AUGUST
1936
2547
82.2
1978
63.8
73.0
0.5
4.53
0.0
43
SEP
1936
2293
76.4
1694
56.5
66.5
0.8
1.19
0.0
44
JULY
1937
2663
85.9
1984
64.0
75.0
0.5
2.62
0.0
44
AUGUST
1937
2637
85.1
2006
64.7
74.9
2.4
6.46
0.0
44
SEP
1937
2240
74.7
1546
51.5
63.1
(2.5)
1.02
0.0
45
JULY
1938
2654
85.6
1995
64.4
75.0
0.6
8.23
0.0
45
AUGUST
1938
2728
88.0
1980
63.9
75.9
3.4
3.93
0.0
45
SEP
1938
2216
73.9
1589
53.0
63.4
(2.2)
6.39
0.0
46
JULY
1939
2645
85.3
1869
60.3
72.8
(1.6)
3.05
0.0
46
AUGUST
1939
2644
85.3
1972
63.6
74.5
2.0
8.37
0.0
46
SEP
1939
2322
77.4
1616
53.9
65.6
0.0
2.16
0.0
47
JULY
1940
2705
87.3
1910
61.6
74.4
0.0
1.52
0.0
47
AUGUST
1940
2460
79.4
1829
59.0
69.2
(3.3)
4.28
0.0
47
SEP
1940
2094
69.8
1525
50.8
60.3
(5.3)
3.98
0.0
48
JULY
1941
2660
85.8
2023
65.3
75.5
1.1
3.29
0.0
48
AUGUST
1941
2636
85.0
1978
63.8
74.4
1.9
3.21
0.0
48
SEP
1941
2442
81.4
1720
57.3
69.4
3.8
0.37
0.0
49
JULY
1942
2708
87.4
2051
66.2
76.8
2.3
4.26
0.0
49
AUGUST
1942
2547
82.2
1942
62.6
72.4
(0.1)
11.56
0.0
49
SEP
1942
2300
76.7
1674
55.8
66.2
0.6
3.26
0.0
50
JULY
1943
2721
87.8
2099
67.7
77.7
3.3
2.41
0.0
50
AUGUST
1943
2716
87.6
2028
65.4
76.5
4.0
1.25
0.0
50
SEP
1943
2347
78.2
1627
54.2
66.2
0.6
0.98
0.0
51
JULY
1944
2806
90.5
2073
66.9
78.7
4.3
0.74
0.0
51
AUGUST
1944
2699
87.1
1996
64.4
75.7
3.2
2.31
0.0
51
SEP
1944
2331
77.7
1740
58.0
67.9
2.2
4.18
0.0
52
JULY
1945
2624
84.6
2045
66.0
75.3
0.9
6.37
0.0
52
AUGUST
1945
2589
83.5
1897
61.2
72.4
(0.1)
2.99
0.0
52
SEP
1945
2355
78.5
1803
60.1
69.3
3.7
6.71
0.0
53
JULY
1946
2645
85.3
1907
61.5
73.4
(1.0)
6.04
0.0
53
AUGUST
1946
2450
79.0
1746
56.3
67.7
(4.8)
6.88
0.0
53
SEP
1946
2375
79.2
1611
53.7
66.4
0.8
3.01
0.0
54
JULY
1947
2603
84.0
1888
60.9
72.4
(2.0)
4.76
0.0
54
AUGUST
1947
2635
85.0
1970
63.5
74.3
1.8
3.23
0.0
54
SEP
1947
2289
76.3
1627
54.2
65.3
(0.3)
2.88
0.0
55
JULY
1948
2615
84.4
1943
62.7
73.5
(0.9)
5.21
0.0
55
AUGUST
1948
2553
82.4
1873
60.4
71.4
(1.1)
3.61
0.0
55
SEPT.
1948
2322
77.4
1533
51.1
64.3
(1.4)
4.34
0.0
56
JULY
1949
2724
87.9
2057
66.4
77.1
2.7
7.51
0.0
56
AUGUST
1949
2631
84.9
1877
60.5
72.7
0.2
2.45
0.0
56
SEPT.
1949
2223
74.1
1486
49.5
61.8
(3.8)
2.31
0.0
57
JULY
1950
2574
83.0
1859
60.0
71.5
(2.9)
4.12
0.0
57
AUGUST
1950
2567
82.8
1844
59.5
71.1
(1.4)
6.04
0.0
57
SEPT.
1950
2129
71.0
1574
52.5
61.7
(3.9)
4.32
0.0
58
JULY
1951
2604
84.0
1906
61.5
72.7
(1.7)
3.06
0.0
58
AUGUST
1951
2597
83.8
1836
59.2
71.5
(1.0)
3.53
0.0
58
SEPT.
1951
2338
77.9
1508
50.3
64.1
(1.5)
1.48
0.0
59
JULY
1952
2742
88.5
1980
63.9
76.2
1.7
6.87
0.0
59
AUGUST
1952
2570
82.9
1907
61.5
72.2
(0.3)
5.27
0.0
59
SEPT.
1952
2354
78.5
1519
50.6
64.6
(1.1)
3.91