CHESTER COUNTY Q3 MONTHLY CLIMATOLOGICAL SUMMARY - 1894 to Present                            
                                                     
    YEAR HIGH LOW AVG + OR - PRECIP SNOW     YEAR HIGH LOW AVG + OR - PRECIP SNOW     YEAR HIGH LOW AVG + OR - PRECIP SNOW
1 JULY 1894 87.0 63.5 75.3 1.3 4.61 0.0 1 AUGUST 1894 81.1 60.1 70.6 (1.6) 2.89 0.0 1 SEP 1894 77.8 58.1 68.0 3.0 8.42 0.0
2 JULY 1895 82.1 59.5 70.8 (3.2) 2.20 0.0 2 AUGUST 1895 87.7 62.1 74.9 2.7 2.65 0.0 2 SEP 1895 82.6 56.9 69.8 4.8 1.42 0.0
3 JULY 1896 85.7 65.1 75.4 1.4 3.04 0.0 3 AUGUST 1896 86.4 61.4 73.9 1.7 0.63 0.0 3 SEP 1896 76.9 54.1 65.5 1.0 8.31 0.0
4 JULY 1897 86.4 65.0 75.7 1.7 6.47 0.0 4 AUGUST 1897 85.2 59.6 72.4 0.2 3.00 0.0 4 SEP 1897 82.2 52.3 67.3 2.2 1.63 0.0
5 JULY 1898 89.8 64.8 77.3 3.3 3.21 0.0 5 AUGUST 1898 86.6 64.6 75.6 3.4 7.03 0.0 5 SEP 1898 82.8 55.7 69.3 4.2 2.73 0.0
6 JULY 1899 88.7 62.9 75.8 1.8 3.46 0.0 6 AUGUST 1899 85.8 62.5 74.2 2.0 4.52 0.0 6 SEP 1899 78.5 51.8 65.2 0.1 5.70 0.0
7 JULY 1900 91.4 65.1 78.3 4.3 5.31 0.0 7 AUGUST 1900 90.9 66.0 78.5 6.3 5.60 0.0 7 SEP 1900 83.0 59.8 71.4 6.4 2.62 0.0
8 JULY 1901 89.8 68.6 79.2 5.2 5.51 0.0 8 AUGUST 1901 84.9 65.7 75.3 3.1 8.49 0.0 8 SEP 1901 80.0 55.1 67.6 2.5 5.00 0.0
9 JULY 1902 86.3 64.5 75.4 1.4 3.19 0.0 9 AUGUST 1902 84.1 58.6 71.4 (0.8) 2.78 0.0 9 SEP 1902 76.8 53.8 65.3 0.3 8.31 0.0
10 JULY 1903 86.7 62.6 74.7 0.7 5.55 0.0 10 AUGUST 1903 79.8 60.5 70.2 (2.0) 4.94 0.0 10 SEP 1903 78.8 53.8 66.3 1.3 1.90 0.0
11 JULY 1904 84.5 62.3 73.4 (0.6) 3.91 0.0 11 AUGUST 1904 82.6 59.5 71.1 (1.1) 4.86 0.0 11 SEP 1904 77.4 53.8 65.6 0.6 5.67 0.0
12 JULY 1905 85.1 65.5 75.3 1.3 4.24 0.0 12 AUGUST 1905 82.3 62.2 72.3 0.1 6.83 0.0 12 SEP 1905 76.2 60.9 68.6 3.5 3.59 0.0
13 JULY 1906 84.9 63.9 74.4 0.4 5.49 0.0 13 AUGUST 1906 84.0 67.6 75.8 3.6 8.49 0.0 13 SEP 1906 81.2 58.7 70.0 4.9 0.71 0.0
14 JULY 1907 86.3 64.2 75.3 1.3 3.42 0.0 14 AUGUST 1907 82.3 60.7 71.5 (0.7) 2.64 0.0 14 SEP 1907 77.6 57.9 67.8 2.7 8.24 0.0
15 JULY 1908 88.4 65.8 77.1 3.1 4.32 0.0 15 AUGUST 1908 82.8 61.0 71.9 (0.3) 5.52 0.0 15 SEP 1908 78.9 54.0 66.5 1.4 1.95 0.0
16 JULY 1909 85.4 60.1 72.8 (1.2) 1.16 0.0 16 AUGUST 1909 84.5 58.9 71.7 (0.5) 0.46 0.0 16 SEP 1909 77.7 53.4 65.6 0.5 2.59 0.0
17 JULY 1910 87.1 64.3 75.7 1.7 2.96 0.0 17 AUGUST 1910 81.6 61.5 71.6 (0.6) 5.13 0.0 17 SEP 1910 79.8 57.6 68.7 3.7 1.77 0.0
18 JULY 1911 88.9 66.5 77.7 3.7 4.17 0.0 18 AUGUST 1911 83.8 63.6 73.7 1.5 9.05 0.0 18 SEP 1911 78.1 57.5 67.8 2.8 3.29 0.0
19 JULY 1912 85.1 63.5 74.3 0.3 5.24 0.0 19 AUGUST 1912 81.3 60.2 70.8 (1.4) 4.85 0.0 19 SEP 1912 77.3 58.7 68.0 3.0 5.12 0.0
20 JULY 1913 87.9 63.4 75.7 1.7 2.19 0.0 20 AUGUST 1913 84.4 61.7 73.1 0.9 4.39 0.0 20 SEP 1913 75.9 54.3 65.1 0.1 2.76 0.0
21 JULY 1914 83.0 63.8 73.4 (0.6) 10.29 0.0 21 AUGUST 1914 85.1 64.0 74.6 2.4 2.67 0.0 21 SEP 1914 78.0 50.2 64.1 (0.9) 0.26 0.0
22 JULY 1915 84.6 63.0 73.8 (0.2) 4.24 0.0 22 AUGUST 1915 80.9 61.8 71.4 (0.8) 9.84 0.0 22 SEP 1915 81.4 58.1 69.8 4.7 1.85 0.0
23 JULY 1916 85.1 66.9 76.0 2.0 10.62 0.0 23 AUGUST 1916 86.0 64.1 75.1 2.9 1.26 0.0 23 SEP 1916 78.8 53.2 66.0 1.0 2.46 0.0
24 JULY 1917 84.5 66.3 75.4 1.4 3.29 0.0 24 AUGUST 1917 86.2 64.5 75.4 3.2 1.58 0.0 24 SEP 1917 74.0 51.9 63.0 (2.1) 3.86 0.0
25 JULY 1918 86.3 62.5 74.4 0.4 1.73 0.0 25 AUGUST 1918 88.5 65.0 76.8 4.6 2.16 0.0 25 SEP 1918 74.6 52.5 63.6 (1.5) 3.51 0.0
26 JULY 1919 85.3 65.7 75.5 1.5 9.48 0.0 26 AUGUST 1919 81.9 61.5 71.7 (0.5) 4.78 0.0 26 SEP 1919 79.3 55.7 67.5 2.5 1.85 0.0
27 JULY 1920 84.0 62.7 73.4 (0.6) 4.64 0.0 27 AUGUST 1920 82.5 65.0 73.8 1.6 5.93 0.0 27 SEP 1920 79.5 57.1 68.3 3.3 3.56 0.0
28 JULY 1921 90.2 67.3 78.8 4.8 2.09 0.0 28 AUGUST 1921 83.5 58.7 71.1 (1.1) 2.96 0.0 28 SEP 1921 83.3 59.1 71.2 6.2 2.52 0.0
29 JULY 1922 85.6 64.2 74.9 0.9 5.85 0.0 29 AUGUST 1922 82.3 61.8 72.1 (0.1) 3.27 0.0 29 SEP 1922 78.3 55.1 66.7 1.7 0.75 0.0
30 JULY 1923 84.6 61.9 73.3 (0.7) 1.58 0.0 30 AUGUST 1923 82.3 60.4 71.4 (0.8) 6.11 0.0 30 SEP 1923 77.0 56.6 66.8 1.8 3.98 0.0
31 JULY 1924 83.0 61.9 72.5 (1.5) 2.89 0.0 31 AUGUST 1924 82.8 60.9 71.9 (0.3) 3.18 0.0 31 SEP 1924 71.9 50.2 61.1 (4.0) 6.72 0.0
32 JULY 1925 84.0 61.5 72.8 (1.2) 5.35 0.0 32 AUGUST 1925 82.4 58.3 70.4 (1.8) 2.04 0.0 32 SEP 1925 79.1 56.4 67.8 2.7 1.92 0.0
33 JULY 1926 83.7 62.8 73.3 (0.7) 6.29 0.0 33 AUGUST 1926 81.7 63.4 72.6 0.4 4.62 0.0 33 SEP 1926 73.5 54.7 64.1 (0.9) 4.50 0.0
34 JULY 1927 84.4 63.7 74.1 0.1 3.98 0.0 34 AUGUST 1927 77.1 56.5 66.8 (5.4) 4.48 0.0 34 SEP 1927 77.5 53.2 65.4 0.3 3.00 0.0
35 JULY 1928 85.8 65.1 75.5 1.5 7.24 0.0 35 AUGUST 1928 84.7 66.5 75.6 3.4 8.59 0.0 35 SEP 1928 71.3 53.0 62.2 (2.9) 4.80 0.0
36 JULY 1929 85.1 61.6 73.4 (0.6) 3.21 0.0 36 AUGUST 1929 81.6 57.9 69.8 (2.4) 4.67 0.0 36 SEP 1929 79.7 54.6 67.2 2.1 3.39 0.0
37 JULY 1930 87.3 63.3 75.3 1.3 3.17 0.0 37 AUGUST 1930 84.7 59.2 72.0 (0.2) 1.87 0.0 37 SEP 1930 81.2 59.2 70.2 5.2 4.84 0.0
38 JULY 1931 87.5 67.0 77.3 3.3 7.80 0.0 38 AUGUST 1931 82.6 63.7 73.2 1.0 5.20 0.0 38 SEP 1931 81.7 61.1 71.4 6.4 2.03 0.0
39 JULY 1932 85.9 63.6 74.8 0.8 2.56 0.0 39 AUGUST 1932 86.2 61.8 74.0 1.8 4.66 0.0 39 SEP 1932 79.2 55.0 67.1 2.1 1.09 0.0
40 JULY 1933 85.5 62.1 73.8 (0.2) 6.23 0.0 40 AUGUST 1933 82.6 63.5 73.1 0.9 13.29 0.0 40 SEP 1933 78.0 58.9 68.5 3.4 4.21 0.0
41 JULY 1934 88.4 65.0 76.7 2.7 4.34 0.0 41 AUGUST 1934 81.4 59.8 70.6 (1.6) 3.87 0.0 41 SEP 1934 76.9 58.1 67.5 2.5 6.96 0.0
42 JULY 1935 88.4 66.2 77.3 3.3 6.70 0.0 42 AUGUST 1935 84.0 62.7 73.4 1.2 1.57 0.0 42 SEP 1935 74.4 52.4 63.4 (1.6) 5.56 0.0
43 JULY 1936 86.0 63.3 74.7 0.7 2.45 0.0 43 AUGUST 1936 82.2 63.8 73.0 0.8 4.53 0.0 43 SEP 1936 76.4 56.5 66.5 1.4 1.19 0.0
44 JULY 1937 85.9 64.0 75.0 1.0 2.62 0.0 44 AUGUST 1937 85.1 64.7 74.9 2.7 6.46 0.0 44 SEP 1937 74.7 51.5 63.1 (1.9) 1.02 0.0
45 JULY 1938 85.6 64.4 75.0 1.0 8.23 0.0 45 AUGUST 1938 88.0 63.9 76.0 3.8 3.93 0.0 45 SEP 1938 73.9 53.0 63.5 (1.6) 6.39 0.0
46 JULY 1939 85.3 60.3 72.8 (1.2) 3.05 0.0 46 AUGUST 1939 85.3 63.6 74.5 2.3 8.37 0.0 46 SEP 1939 77.4 53.9 65.7 0.6 2.16 0.0
47 JULY 1940 87.3 61.6 74.5 0.5 1.52 0.0 47 AUGUST 1940 79.4 59.0 69.2 (3.0) 4.28 0.0 47 SEP 1940 69.8 50.8 60.3 (4.7) 3.98 0.0
48 JULY 1941 85.8 65.3 75.6 1.6 3.29 0.0 48 AUGUST 1941 85.0 63.8 74.4 2.2 3.21 0.0 48 SEP 1941 81.4 57.3 69.4 4.3 0.37 0.0
49 JULY 1942 87.4 66.2 76.8 2.8 4.26 0.0 49 AUGUST 1942 82.2 62.6 72.4 0.2 11.56 0.0 49 SEP 1942 76.7 55.8 66.3 1.2 3.26 0.0
50 JULY 1943 87.8 67.7 77.8 3.8 2.41 0.0 50 AUGUST 1943 87.6 65.4 76.5 4.3 1.25 0.0 50 SEP 1943 78.2 54.2 66.2 1.2 0.98 0.0
51 JULY 1944 90.5 66.9 78.7 4.7 0.74 0.0 51 AUGUST 1944 87.1 64.4 75.8 3.6 2.31 0.0 51 SEP 1944 77.7 58.0 67.9 2.8 4.18 0.0
52 JULY 1945 84.6 66.0 75.3 1.3 6.37 0.0 52 AUGUST 1945 83.5 61.2 72.4 0.2 2.99 0.0 52 SEP 1945 78.5 60.1 69.3 4.3 6.71 0.0
53 JULY 1946 85.3 61.5 73.4 (0.6) 6.04 0.0 53 AUGUST 1946 79.0 56.3 67.7 (4.5) 6.88 0.0 53 SEP 1946 79.2 53.7 66.5 1.4 3.01 0.0
54 JULY 1947 84.0 60.9 72.5 (1.5) 4.76 0.0 54 AUGUST 1947 85.0 63.5 74.3 2.1 3.23 0.0 54 SEP 1947 76.3 54.2 65.3 0.2 2.88 0.0
55 JULY 1948 84.4 62.7 73.6 (0.4) 5.21 0.0 55 AUGUST 1948 82.4 60.4 71.4 (0.8) 3.61 0.0 55 SEPT. 1948 77.4 51.1 64.3 (0.8) 4.34 0.0
56 JULY 1949 87.9 66.4 77.2 3.2 7.51 0.0 56 AUGUST 1949 84.9 60.5 72.7 0.5 2.45 0.0 56 SEPT. 1949 74.1 49.5 61.8 (3.2) 2.31 0.0
57 JULY 1950 83.0 60.0 71.5 (2.5) 4.12 0.0 57 AUGUST 1950 82.8 59.5 71.2 (1.0) 6.04 0.0 57 SEPT. 1950 71.0 52.5 61.8 (3.3) 4.32 0.0
58 JULY 1951 84.0 61.5 72.8 (1.2) 3.06 0.0 58 AUGUST 1951 83.8 59.2 71.5 (0.7) 3.53 0.0 58 SEPT. 1951 77.9 50.3 64.1 (0.9) 1.48 0.0
59 JULY 1952 88.5 63.9 76.2 2.2 6.87 0.0 59 AUGUST 1952 82.9 61.5 72.2 0.0 5.27 0.0 59 SEPT. 1952 78.5 50.6 64.6 (0.5) 3.91 0.0
60 JULY 1953 88.0 60.0 74.0 0.0 4.08 0.0 60 AUGUST 1953 86.5 58.5 72.5 0.3 0.80 0.0 60 SEPT. 1953 79.7 51.6 65.7 0.6 1.62 0.0
61 JULY 1954 88.3 59.9 74.1 0.1 1.01 0.0 61 AUGUST 1954 81.7 58.6 70.2 (2.0) 5.96 0.0 61 SEPT. 1954 77.6 55.2 66.4 1.4 2.11 0.0
62 JULY 1955 90.8 66.9 78.9 4.9 0.29 0.0 62 AUGUST 1955 86.3 65.0 75.7 3.5 17.81 0.0 62 SEPT. 1955 76.0 52.7 64.4 (0.7) 2.08 0.0
63 JULY 1956 81.6 61.2 71.4 (2.6) 5.71 0.0 63 AUGUST 1956 82.5 59.5 71.0 (1.2) 3.27 0.0 63 SEPT. 1956 73.3 49.5 61.4 (3.6) 4.06 0.0
64 JULY 1957 87.2 60.3 73.8 (0.2) 1.31 0.0 64 AUGUST 1957 84.4 56.0 70.2 (2.0) 2.68 0.0 64 SEPT. 1957 77.4 54.5 66.0 0.9 5.65 0.0
65 JULY 1958 85.7 64.8 75.3 1.3 8.08 0.0 65 AUGUST 1958 82.0 60.0 71.0 (1.2) 5.34 0.0 65 SEPT. 1958 76.5 50.5 63.5 (1.5) 3.13 0.0
66 JULY 1959 86.4 63.6 75.0 1.0 5.03 0.0 66 AUGUST 1959 85.6 63.8 74.7 2.5 5.31 0.0 66 SEPT. 1959 80.7 55.6 68.2 3.1 3.49 0.0
67 JULY 1960 84.5 60.1 72.3 (1.7) 4.50 0.0 67 AUGUST 1960 85.8 63.8 74.8 2.6 3.90 0.0 67 SEPT. 1960 77.1 54.4 65.8 0.7 8.75 0.0
68 JULY 1961 86.2 63.5 74.9 0.9 3.71 0.0 68 AUGUST 1961 83.5 62.2 72.9 0.7 2.07 0.0 68 SEPT. 1961 82.7 59.7 71.2 6.2 1.12 0.0
69 JULY 1962 84.0 59.9 72.0 (2.0) 1.23 0.0 69 AUGUST 1962 83.4 59.2 71.3 (0.9) 2.95 0.0 69 SEPT. 1962 73.4 48.5 61.0 (4.1) 3.15 0.0
70 JULY 1963 87.5 61.6 74.6 0.6 3.47 0.0 70 AUGUST 1963 81.8 57.0 69.4 (2.8) 2.37 0.0 70 SEPT. 1963 73.1 48.9 61.0 (4.0) 5.84 0.0
71 JULY 1964 84.7 62.5 73.6 (0.4) 4.11 0.0 71 AUGUST 1964 81.7 57.4 69.6 (2.6) 1.85 0.0 71 SEPT. 1964 78.4 51.5 65.0 (0.1) 3.20 0.0
72 JULY 1965 84.7 61.0 72.9 (1.1) 7.58 0.0 72 AUGUST 1965 83.5 60.2 71.9 (0.3) 4.07 0.0 72 SEPT. 1965 79.1 56.6 67.9 2.8 3.39 0.0
73 JULY 1966 89.3 62.0 75.7 1.7 3.64 0.0 73 AUGUST 1966 85.1 61.0 73.1 0.9 1.02 0.0 73 SEPT. 1966 73.4 52.1 62.8 (2.3) 6.82 0.0
74 JULY 1967 84.5 63.3 73.9 (0.1) 8.03 0.0 74 AUGUST 1967 81.8 61.3 71.6 (0.6) 7.10 0.0 74 SEPT. 1967 75.3 50.3 62.8 (2.2) 2.73 0.0
75 JULY 1968 86.3 62.5 74.4 0.4 2.17 0.0 75 AUGUST 1968 86.0 61.4 73.7 1.5 1.27 0.0 75 SEPT. 1968 80.3 53.5 66.9 1.9 3.13 0.0
76 JULY 1969 82.5 63.4 73.0 (1.0) 6.78 0.0 76 AUGUST 1969 84.4 60.5 72.5 0.3 3.23 0.0 76 SEPT. 1969 77.0 52.4 64.7 (0.3) 3.34 0.0
77 JULY 1970 83.9 63.3 73.6 (0.4) 6.91 0.0 77 AUGUST 1970 84.9 60.0 72.5 0.3 3.59 0.0 77 SEPT. 1970 80.1 54.4 67.3 2.2 0.81 0.0
78 JULY 1971 83.5 59.6 71.6 (2.4) 4.64 0.0 78 AUGUST 1971 81.6 57.9 69.8 (2.4) 9.87 0.0 78 SEPT. 1971 76.7 58.0 67.4 2.3 6.99 0.0
79 JULY 1972 84.2 63.4 73.8 (0.2) 2.68 0.0 79 AUGUST 1972 83.9 58.2 71.1 (1.1) 0.59 0.0 79 SEPT. 1972 77.6 52.4 65.0 (0.0) 1.25 0.0
80 JULY 1973 84.8 61.8 73.3 (0.7) 2.09 0.0 80 AUGUST 1973 85.5 61.7 73.6 1.4 1.88 0.0 80 SEPT. 1973 78.6 51.3 65.0 (0.1) 3.29 0.0
81 JULY 1974 85.9 59.1 72.5 (1.5) 2.15 0.0 81 AUGUST 1974 81.2 59.9 70.6 (1.6) 4.42 0.0 81 SEPT. 1974 73.8 50.6 62.2 (2.8) 6.83 0.0
82 JULY 1975 82.5 61.5 72.0 (2.0) 6.90 0.0 82 AUGUST 1975 83.1 59.4 71.3 (0.9) 2.81 0.0 82 SEPT. 1975 72.8 48.4 60.6 (4.4) 8.35 0.0
83 JULY 1976 81.8 59.2 70.5 (3.5) 7.70 0.0 83 AUGUST 1976 81.9 58.2 70.1 (2.1) 3.32 0.0 83 SEPT. 1976 75.1 49.5 62.3 (2.7) 4.02 0.0
84 JULY 1977 85.5 61.3 73.4 (0.6) 1.23 0.0 84 AUGUST 1977 83.0 60.3 71.7 (0.5) 8.09 0.0 84 SEPT. 1977 76.6 55.3 66.0 0.9 2.88 0.0
85 JULY 1978 81.4 60.3 70.9 (3.1) 6.11 0.0 85 AUGUST 1978 83.5 64.0 73.8 1.6 6.46 0.0 85 SEPT. 1978 76.1 50.4 63.3 (1.8) 1.65 0.0
86 JULY 1979 83.0 62.3 72.7 (1.3) 9.54 0.0 86 AUGUST 1979 82.0 60.8 71.4 (0.8) 6.38 0.0 86 SEPT. 1979 75.8 53.3 64.6 (0.5) 8.73 0.0
87 JULY 1980 87.1 62.6 74.9 0.9 3.83 0.0 87 AUGUST 1980 87.5 63.4 75.5 3.3 1.94 0.0 87 SEPT. 1980 81.6 52.8 67.2 2.2 1.62 0.0
88 JULY 1981 85.1 62.9 74.0 0.0 7.74 0.0 88 AUGUST 1981 82.0 58.4 70.2 (2.0) 3.87 0.0 88 SEPT. 1981 74.8 51.0 62.9 (2.1) 3.58 0.0
89 JULY 1982 85.2 61.6 73.4 (0.6) 2.14 0.0 89 AUGUST 1982 81.9 56.3 69.1 (3.1) 2.61 0.0 89 SEPT. 1982 76.4 51.9 64.2 (0.9) 3.50 0.0
90 JULY 1983 87.5 61.0 74.3 0.3 0.78 0.0 90 AUGUST 1983 86.3 61.6 74.0 1.8 1.65 0.0 90 SEPT. 1983 79.1 52.0 65.6 0.5 2.49 0.0
91 JULY 1984 80.9 60.7 70.8 (3.2) 10.26 0.0 91 AUGUST 1984 82.4 62.2 72.3 0.1 2.02 0.0 91 SEPT. 1984 72.6 48.2 60.4 (4.6) 1.95 0.0
92 JULY 1985 83.0 60.6 71.8 (2.2) 5.70 0.0 92 AUGUST 1985 80.7 61.5 71.1 (1.1) 3.12 0.0 92 SEPT. 1985 76.6 54.0 65.3 0.3 6.21 0.0
93 JULY 1986 84.4 62.4 73.4 (0.6) 4.20 0.0 93 AUGUST 1986 79.7 58.9 69.3 (2.9) 3.97 0.0 93 SEPT. 1986 74.2 53.7 64.0 (1.1) 1.89 0.0
94 JULY 1987 87.0 64.3 75.7 1.7 4.82 0.0 94 AUGUST 1987 82.2 59.0 70.6 (1.6) 3.76 0.0 94 SEPT. 1987 74.8 54.8 64.8 (0.2) 9.33 0.0
95 JULY 1988 88.6 65.2 76.9 2.9 6.29 0.0 95 AUGUST 1988 84.9 64.6 74.8 2.6 3.16 0.0 95 SEPT. 1988 73.5 51.7 62.6 (2.4) 2.48 0.0
96 JULY 1989 81.9 62.9 72.4 (1.6) 8.53 0.0 96 AUGUST 1989 80.2 61.8 71.0 (1.2) 2.96 0.0 96 SEPT. 1989 75.5 55.2 65.4 0.3 5.42 0.0
97 JULY 1990 83.7 64.4 74.1 0.1 4.94 0.0 97 AUGUST 1990 80.9 62.0 71.5 (0.7) 7.52 0.0 97 SEPT. 1990 74.2 52.3 63.3 (1.8) 2.06 0.0
98 JULY 1991 85.0 64.7 74.9 0.9 4.05 0.0 98 AUGUST 1991 85.7 62.8 74.3 2.1 4.03 0.0 98 SEPT. 1991 75.8 52.3 64.1 (1.0) 3.78 0.0
99 JULY 1992 81.7 62.8 72.3 (1.7) 5.45 0.0 99 AUGUST 1992 78.9 57.6 68.3 (3.9) 3.02 0.0 99 SEPT. 1992 73.1 53.7 63.4 (1.6) 4.60 0.0
100 JULY 1993 85.9 64.7 75.3 1.3 3.42 0.0 100 AUGUST 1993 84.8 62.5 73.7 1.5 4.45 0.0 100 SEPT. 1993 73.8 54.4 64.1 (0.9) 6.24 0.0
101 JULY 1994 86.5 66.4 76.5 2.5 4.79 0.0 101 AUGUST 1994 80.0 59.0 69.5 (2.7) 5.81 0.0 101 SEPT. 1994 74.4 51.9 63.2 (1.9) 2.83 0.0
102 JULY 1995 86.1 65.4 75.8 1.8 4.49 0.0 102 AUGUST 1995 86.2 62.2 74.2 2.0 1.52 0.0 102 SEPT. 1995 76.3 53.1 64.7 (0.3) 5.40 0.0
103 JULY 1996 81.2 62.4 71.8 (2.2) 7.49 0.0 103 AUGUST 1996 82.3 61.3 71.8 (0.4) 5.03 0.0 103 SEPT. 1996 74.4 55.8 65.1 0.1 7.61 0.0
104 JULY 1997 84.5 61.1 72.8 (1.2) 4.02 0.0 104 AUGUST 1997 81.8 59.2 70.5 (1.7) 3.85 0.0 104 SEPT. 1997 74.7 52.2 63.5 (1.6) 2.89 0.0
105 JULY 1998 84.0 62.5 73.3 (0.7) 2.91 0.0 105 AUGUST 1998 84.5 62.4 73.5 1.3 3.82 0.0 105 SEPT. 1998 79.3 56.3 67.8 2.8 1.25 0.0
106 JULY 1999 90.4 65.0 77.7 3.7 0.48 0.0 106 AUGUST 1999 85.1 62.4 73.8 1.6 5.54 0.0 106 SEPT. 1999 75.8 56.2 66.0 1.0 14.48 0.0
107 JULY 2000 80.4 61.2 70.8 (3.2) 4.40 0.0 107 AUGUST 2000 79.7 61.5 70.6 (1.6) 2.88 0.0 107 SEPT 2000 73.7 52.3 63.0 (2.0) 5.80 0.0
108 JULY 2001 82.3 59.6 70.9 (3.1) 1.59 0.0 108 AUGUST 2001 85.6 64.5 75.1 2.9 4.29 0.0 108 SEPT 2001 75.2 51.8 63.5 (1.5) 5.54 0.0
109 JULY 2002 87.7 64.7 76.2 2.2 0.67 0.0 109 AUGUST 2002 88.2 64.3 76.2 4.1 2.60 0.0 109 SEPT 2002 77.8 56.9 67.3 2.3 4.33 0.0
110 JULY 2003 84.0 63.5 73.8 (0.2) 2.46 0.0 110 AUGUST 2003 84.0 65.9 75.0 2.8 9.43 0.0 110 SEPT 2003 75.1 57.1 66.1 1.1 10.58 0.0
111 JULY 2004 78.5 64.4 71.5 (2.5) 7.58 0.0 111 AUGUST 2004 78.0 63.9 71.0 (1.2) 5.56 0.0 111 SEPT 2004 73.5 58.5 66.0 1.0 6.24 0.0
112 JULY 2005 82.9 67.0 75.0 1.0 3.80 0.0 112 AUGUST 2005 82.3 67.2 74.8 2.6 1.24 0.0 112 SEPT 2005 81.0 59.8 70.4 5.4 1.09 0.0
113 JULY 2006 84.1 67.0 75.6 1.6 4.05 0.0 113 AUGUST 2006 81.8 64.4 73.1 0.9 3.26 0.0 113 SEPT 2006 69.3 55.3 62.3 (2.7) 4.55 0.0
114 JULY 2007 80.8 63.3 72.1 (1.9) 3.58 0.0 114 AUGUST 2007 80.5 64.1 72.3 0.1 4.25 0.0 114 SEPT 2007 75.8 57.3 66.6 1.5 0.58 0.0
115 JULY 2008 83.1 65.1 74.1 0.1 6.95 0.0 115 AUGUST 2008 78.4 60.2 69.3 (2.9) 1.62 0.0 115 SEPT 2008 73.0 57.7 65.4 0.3 6.38 0.0
116 JULY 2009 78.5 61.4 70.0 (4.0) 8.72 0.0 116 AUGUST 2009 79.8 65.5 72.7 0.5 8.61 0.0 116 SEPT 2009 69.4 55.5 62.5 (2.6) 4.55 0.0
117 JULY 2010 84.4 66.6 75.5 1.5 3.15 0.0 117 AUGUST 2010 80.8 64.5 72.7 0.5 2.78 0.0 117 SEPT 2010 75.9 57.4 66.7 1.6 4.66 0.0
118 JULY 2011 86.9 67.1 77.0 3.0 1.17 0.0 118 AUGUST 2011 78.5 63.3 70.9 (1.3) 12.73 0.0 118 SEPT 2011 72.0 59.8 65.9 0.9 8.53 0.0
119 JULY 2012 83.8 66.6 75.2 1.2 3.08 0.0 119 AUGUST 2012 80.6 64.0 72.3 0.1 2.71 0.0 119 SEPT 2012 72.1 56.3 64.2 (0.8) 5.76 0.0
120 JULY 2013 81.1 68.2 74.7 0.7 6.40 0.0 120 AUGUST 2013 75.7 62.3 69.0 (3.2) 5.42 0.0 120 SEPT 2013 70.6 52.6 61.6 (3.4) 1.29 0.0
121 JULY 2014 79.7 63.3 71.5 (2.5) 6.81 0.0 121 AUGUST  2014 76.5 60.3 68.4 (3.8) 2.77 0.0 121 SEPT 2014 72.3 56.5 64.4 (0.6) 1.80 0.0
122 JULY 2015 80.3 65.1 72.7 (1.3) 4.70 0.0 122 AUGUST 2015 79.8 62.6 71.2 (1.0) 2.91 0.0 122 SEPT 2015 76.3 59.4 67.9 2.8 4.18 0.0
123 JULY 2016 83.3 66.9 75.1 1.1 5.61 0.0 123 AUGUST 2016 82.6 66.7 74.7 2.5 3.17 0.0 123 SEPT 2016 76.3 59.5 67.9 2.9 5.55 0.0
124 JULY 2017 81.7 66.9 74.3 0.3 6.02 0.0 124 AUGUST 2017 77.0 62.0 69.5 (2.7) 4.56 0.0 124 SEPT 2017 73.2 58.4 65.8 0.8 2.67 0.0
125 JULY 2018 81.9 65.4 73.7 (0.3) 9.54 0.0 125 AUGUST 2018 80.7 67.5 74.1 1.9 13.00 0.0 125 SEPT 2018 73.6 62.7 68.2 3.1 8.71 0.0
126 JULY 2019 84.4 67.5 76.0 2.0 7.59 0.0 126 AUGUST 2019 79.8 65.0 72.4 0.2 2.71 0.0 126 SEPT 2019 75.5 59.1 67.3 2.3 1.84 0.0
127 JULY 2020 85.2 68.8 77.0 3.0 5.52 0.0 127 AUGUST 2020 80.5 66.4 73.5 1.3 8.36 0.0 127 SEPT 2020 72.1 56.7 64.4 (0.6) 2.22 0.0
1983-Present JULY AVG   83.6 64.4 74.0 0.0 4.90 0.0   AUGUST AVG 81.5 62.8 72.2   4.48 0.0   SEPT AVG   74.5 55.5 65.0 0.0 4.68 0.0
1894-1982 JULY AVG   85.8 63.2 74.5 0.5 4.50 0.0   AUGUST AVG 83.7 61.3 72.5 0.3 4.50 0.0   SEPT AVG   77.5 54.2 65.8 0.8 3.65 0.0