YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1906 | 77.00 | g | 79.00 | 80.00 | 86.00 | 100.00 | 103.00 | j | 101.00 | 98.00 | 95.00 | 91.00 | 86.00 | 75.00 | 103.00 | |||||||||||
1907 | 77.00 | 79.00 | 95.00 | 95.00 | 91.00 | 106.00 | 103.00 | 100.00 | 93.00 | 90.00 | 74.00 | 72.00 | 106.00 | |||||||||||||
1908 | 71.00 | 80.00 | 90.00 | 90.00 | 96.00 | 102.00 | 98.00 | 95.00 | 94.00 | 88.00 | 82.00 | 78.00 | 102.00 | |||||||||||||
1909 | 82.00 | 77.00 | 90.00 | 91.00 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 91.00 | ||||
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.00 | z | 69.00 | z | ----- | z | ----- | z | 78.00 | |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1918 | ----- | z | ----- | z | ----- | z | 89.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.00 | ||
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1920 | ----- | z | ----- | z | ----- | z | 92.00 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.00 | b | 92.00 | |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 93.00 | z | ----- | z | ----- | z | ----- | z | 93.00 | |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1925 | ----- | z | 80.00 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.00 | 80.00 | ||
1926 | ----- | z | ----- | z | 76.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.00 | ||
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 104.00 | ----- | z | 93.00 | a | 92.00 | ----- | z | 61.00 | 104.00 | ||||
1929 | 68.00 | a | 70.00 | 78.00 | a | 90.00 | 97.00 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 97.00 | |||
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 100.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 100.00 | |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.00 | z | 27.00 | |
1933 | ----- | z | ----- | z | ----- | z | 91.00 | k | 93.00 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 93.00 | |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 101.00 | 100.00 | 98.00 | m | 87.00 | i | 84.00 | 72.00 | 101.00 | |||||
1935 | 72.00 | 80.00 | h | 84.00 | b | ----- | z | 93.00 | 95.00 | p | ----- | z | ----- | z | 87.00 | m | ----- | z | ----- | z | ----- | z | 95.00 | |||
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 88.00 | z | ----- | z | ----- | z | ----- | z | 88.00 | |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 102.00 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 102.00 | |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 108.00 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 108.00 | |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.00 | |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 90.00 | b | ----- | z | ----- | z | 90.00 | |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1948 | 77.00 | 79.00 | 85.00 | 95.00 | 100.00 | 104.00 | e | 101.00 | d | 104.00 | 104.00 | a | 89.00 | d | 81.00 | 77.00 | 104.00 | |||||||||
1949 | 63.00 | a | 75.00 | 81.00 | 92.00 | b | 91.00 | j | 100.00 | e | 101.00 | b | 99.00 | 91.00 | a | 87.00 | 82.00 | 72.00 | 101.00 | |||||||
1950 | 81.00 | 79.00 | 85.00 | 91.00 | 93.00 | 101.00 | c | 98.00 | 101.00 | 96.00 | a | 90.00 | c | 85.00 | 77.00 | b | 101.00 | |||||||||
1951 | 74.00 | 82.00 | a | 81.00 | 93.00 | 101.00 | 105.00 | j | 104.00 | 104.00 | 102.00 | a | 94.00 | c | 82.00 | 79.00 | 105.00 | |||||||||
1952 | 75.00 | 75.00 | a | 77.00 | 88.00 | 97.00 | 102.00 | e | 99.00 | a | 103.00 | 96.00 | 91.00 | a | 85.00 | a | 69.00 | 103.00 | ||||||||
1953 | 88.00 | 77.00 | 85.00 | 88.00 | b | 101.00 | a | 100.00 | i | 100.00 | h | 100.00 | 101.00 | 88.00 | a | 75.00 | 69.00 | 101.00 | ||||||||
1954 | 75.00 | a | 79.00 | 85.00 | 90.00 | 93.00 | 98.00 | 104.00 | 99.00 | a | 97.00 | 94.00 | 80.00 | 80.00 | 104.00 | |||||||||||
1955 | 71.00 | 73.00 | 83.00 | 90.00 | 94.00 | a | 103.00 | 97.00 | 98.00 | 94.00 | 87.00 | a | 81.00 | 79.00 | 103.00 | |||||||||||
1956 | 76.00 | 80.00 | 85.00 | 92.00 | 98.00 | 102.00 | m | 101.00 | 97.00 | a | 103.00 | a | 95.00 | 82.00 | a | 70.00 | 103.00 | |||||||||
1957 | 75.00 | a | 84.00 | 80.00 | 87.00 | 89.00 | 106.00 | 97.00 | o | 99.00 | 94.00 | 89.00 | 72.00 | 71.00 | 106.00 | |||||||||||
1958 | 73.00 | 76.00 | 76.00 | a | 89.00 | 98.00 | a | 102.00 | a | 109.00 | 99.00 | o | 95.00 | b | 86.00 | 76.00 | 80.00 | 109.00 | ||||||||
1959 | 70.00 | 78.00 | 80.00 | 95.00 | 93.00 | 101.00 | 98.00 | 103.00 | 100.00 | 89.00 | 78.00 | 59.00 | 103.00 | |||||||||||||
1960 | 69.00 | 73.00 | 84.00 | 92.00 | 98.00 | 106.00 | 101.00 | 98.00 | 96.00 | 90.00 | r | 79.00 | i | 65.00 | 106.00 | |||||||||||
1961 | 70.00 | 79.00 | 81.00 | e | 91.00 | 98.00 | 100.00 | 97.00 | h | 95.00 | 95.00 | 90.00 | b | 78.00 | 74.00 | 100.00 | ||||||||||
1962 | 70.00 | 85.00 | 84.00 | 92.00 | 100.00 | 96.00 | b | 100.00 | 98.00 | e | 96.00 | 88.00 | 79.00 | b | 74.00 | d | 100.00 | |||||||||
1963 | 76.00 | 82.00 | 90.00 | b | 92.00 | 93.00 | j | 98.00 | 102.00 | 98.00 | 95.00 | 88.00 | 80.00 | 70.00 | 102.00 | |||||||||||
1964 | 78.00 | 70.00 | 80.00 | a | 90.00 | 99.00 | 99.00 | 105.00 | 101.00 | c | 96.00 | 88.00 | k | 81.00 | 76.00 | 105.00 | ||||||||||
1965 | 76.00 | 75.00 | 79.00 | 98.00 | 97.00 | 99.00 | 102.00 | 96.00 | 97.00 | 94.00 | j | 81.00 | 72.00 | 102.00 | ||||||||||||
1966 | 68.00 | 69.00 | 84.00 | 85.00 | 97.00 | 98.00 | 100.00 | 104.00 | 90.00 | 86.00 | g | 82.00 | b | 76.00 | 104.00 | |||||||||||
1967 | 77.00 | 80.00 | 91.00 | 88.00 | 97.00 | 97.00 | 99.00 | b | 100.00 | c | 94.00 | 88.00 | g | 82.00 | b | 70.00 | 100.00 | |||||||||
1968 | 74.00 | 72.00 | 82.00 | 81.00 | 96.00 | 104.00 | 95.00 | 95.00 | e | 94.00 | d | 90.00 | b | 81.00 | b | 70.00 | 104.00 | |||||||||
1969 | 76.00 | 74.00 | 77.00 | 87.00 | 100.00 | 103.00 | 102.00 | 104.00 | e | 93.00 | 91.00 | h | 76.00 | b | 75.00 | 104.00 | ||||||||||
1970 | 80.00 | 80.00 | 78.00 | 85.00 | 98.00 | 101.00 | 102.00 | 99.00 | 100.00 | 85.00 | h | 80.00 | 78.00 | 102.00 | ||||||||||||
1971 | 77.00 | 76.00 | 94.00 | 89.00 | 94.00 | 94.00 | 102.00 | 90.00 | 95.00 | 82.00 | e | 78.00 | b | 76.00 | 102.00 | |||||||||||
1972 | 80.00 | 82.00 | 86.00 | 94.00 | 93.00 | 101.00 | 102.00 | 97.00 | 88.00 | 92.00 | g | 74.00 | 70.00 | 102.00 | ||||||||||||
1973 | 67.00 | 73.00 | 73.00 | 86.00 | 97.00 | 93.00 | ----- | z | 97.00 | 94.00 | 91.00 | h | 83.00 | 74.00 | 97.00 | |||||||||||
1974 | 81.00 | b | 79.00 | 88.00 | 89.00 | 100.00 | 100.00 | 100.00 | 95.00 | 92.00 | 82.00 | 75.00 | e | 70.00 | 100.00 | |||||||||||
1975 | 80.00 | 73.00 | 81.00 | 88.00 | 88.00 | 101.00 | 93.00 | 96.00 | 91.00 | 88.00 | z | 83.00 | 76.00 | 101.00 | ||||||||||||
1976 | 69.00 | 80.00 | 83.00 | 89.00 | 94.00 | 103.00 | 95.00 | 98.00 | 90.00 | 82.00 | f | 78.00 | 69.00 | 103.00 | ||||||||||||
1977 | 64.00 | 80.00 | 81.00 | 85.00 | 98.00 | 105.00 | 100.00 | 102.00 | 99.00 | b | 85.00 | 82.00 | 78.00 | 105.00 | ||||||||||||
1978 | 69.00 | ----- | z | ----- | z | 90.00 | 99.00 | 105.00 | 103.00 | 103.00 | 95.00 | 85.00 | q | 78.00 | 74.00 | 105.00 | ||||||||||
1979 | 70.00 | 82.00 | 79.00 | a | 90.00 | ----- | z | 98.00 | ----- | z | ----- | z | 99.00 | 96.00 | 75.00 | 73.00 | b | 99.00 | ||||||||
1980 | 76.00 | 80.00 | 79.00 | 87.00 | 95.00 | 105.00 | 104.00 | 102.00 | 97.00 | 88.00 | 83.00 | 79.00 | 105.00 | |||||||||||||
1981 | 71.00 | 79.00 | 82.00 | 89.00 | 97.00 | 104.00 | 101.00 | b | 98.00 | 92.00 | 88.00 | 85.00 | 78.00 | 104.00 | ||||||||||||
1982 | 75.00 | 83.00 | 85.00 | 91.00 | 93.00 | 102.00 | 100.00 | 101.00 | 98.00 | 90.00 | 79.00 | 72.00 | 102.00 | |||||||||||||
1983 | 68.00 | 73.00 | 84.00 | 88.00 | 92.00 | 103.00 | 104.00 | 100.00 | 103.00 | 89.00 | 78.00 | 73.00 | 104.00 | |||||||||||||
1984 | 72.00 | 77.00 | 83.00 | 91.00 | 98.00 | 94.00 | n | 97.00 | 96.00 | 98.00 | 81.00 | 80.00 | 75.00 | 98.00 | ||||||||||||
1985 | 75.00 | 74.00 | 82.00 | 89.00 | n | 97.00 | 96.00 | 99.00 | 102.00 | 99.00 | 90.00 | 78.00 | 72.00 | 102.00 | ||||||||||||
1986 | 77.00 | 84.00 | 87.00 | 91.00 | 98.00 | 100.00 | 99.00 | 104.00 | 88.00 | 86.00 | 75.00 | c | 68.00 | 104.00 | ||||||||||||
1987 | 77.00 | 78.00 | 77.00 | 94.00 | 89.00 | 102.00 | 102.00 | 100.00 | 94.00 | 91.00 | 82.00 | 79.00 | 102.00 | |||||||||||||
1988 | 72.00 | 77.00 | 87.00 | 86.00 | 99.00 | 102.00 | 97.00 | 95.00 | 91.00 | k | 90.00 | 85.00 | 70.00 | 102.00 | ||||||||||||
1989 | 74.00 | 82.00 | 91.00 | 98.00 | 103.00 | 104.00 | 108.00 | 99.00 | 93.00 | 93.00 | 80.00 | 73.00 | j | 108.00 | ||||||||||||
1990 | 73.00 | 78.00 | 84.00 | 92.00 | 101.00 | 108.00 | 96.00 | 96.00 | 94.00 | 84.00 | 80.00 | 74.00 | i | 108.00 | ||||||||||||
1991 | 66.00 | 69.00 | u | 84.00 | 90.00 | 99.00 | 102.00 | 97.00 | 94.00 | 91.00 | 90.00 | 76.00 | 71.00 | 102.00 | ||||||||||||
1992 | 66.00 | 74.00 | 80.00 | i | 95.00 | 94.00 | 95.00 | 100.00 | 99.00 | 100.00 | 88.00 | j | 77.00 | ----- | z | 100.00 | ||||||||||
1993 | ----- | z | 75.00 | 83.00 | 90.00 | 93.00 | 99.00 | o | 102.00 | 99.00 | 96.00 | 93.00 | 78.00 | p | 73.00 | 102.00 | ||||||||||
1994 | 73.00 | 77.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 104.00 | 96.00 | ----- | z | 83.00 | 71.00 | 104.00 | |||||||
1995 | 73.00 | 77.00 | 88.00 | 92.00 | 97.00 | 98.00 | 107.00 | 97.00 | 100.00 | 87.00 | 78.00 | 76.00 | 107.00 | |||||||||||||
1996 | 73.00 | 83.00 | 80.00 | 97.00 | ----- | z | ----- | z | 99.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 99.00 | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 73.58 | 77.63 | 83.15 | 90.23 | 96.37 | 101.20 | 100.71 | 99.04 | 95.61 | 89.00 | 79.80 | 73.19 | 103.92 | |||||||||||||
S.D. | 4.88 | 3.83 | 4.67 | 3.44 | 3.41 | 3.50 | 3.26 | 3.16 | 3.74 | 3.39 | 3.35 | 4.42 | 1.55 | |||||||||||||
SKEW | 0.22 | -0.24 | 0.40 | 0.11 | -0.54 | -0.25 | 0.18 | -0.21 | 0.22 | -0.33 | -0.24 | -0.86 | 0.60 | |||||||||||||
MAX | 88.00 | 85.00 | 95.00 | 98.00 | 103.00 | 108.00 | 109.00 | 104.00 | 104.00 | 96.00 | 86.00 | 80.00 | 107.00 | |||||||||||||
MIN | 63.00 | 69.00 | 73.00 | 81.00 | 88.00 | 93.00 | 93.00 | 90.00 | 88.00 | 81.00 | 72.00 | 59.00 | 102.00 | |||||||||||||
NO YRS | 53 | 52 | 53 | 52 | 49 | 46 | 48 | 50 | 51 | 39 | 50 | 52 | 13 |