YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
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 | ----- | z | 9999.00 | |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
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 | ----- | z | ----- | z | ----- | z | 9999.00 | |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
1950 | ----- | z | ----- | z | 84.00 | w | 92.00 | 90.00 | 99.00 | 96.00 | 95.00 | 89.00 | 87.00 | 79.00 | 69.00 | 99.00 | ||||||||||
1951 | 70.00 | 77.00 | 77.00 | a | 88.00 | 92.00 | 102.00 | 102.00 | 100.00 | a | 100.00 | 89.00 | 72.00 | a | 70.00 | 102.00 | ||||||||||
1952 | 72.00 | 68.00 | 74.00 | 85.00 | 95.00 | 102.00 | 98.00 | 99.00 | 92.00 | 85.00 | 78.00 | 66.00 | 102.00 | |||||||||||||
1953 | 72.00 | 72.00 | 80.00 | 88.00 | 97.00 | 104.00 | 102.00 | 99.00 | 95.00 | 90.00 | 73.00 | 63.00 | j | 104.00 | ||||||||||||
1954 | 67.00 | 75.00 | 80.00 | c | 88.00 | 90.00 | 99.00 | 100.00 | 98.00 | 95.00 | 91.00 | 76.00 | 72.00 | 100.00 | ||||||||||||
1955 | 64.00 | 69.00 | 79.00 | 85.00 | 90.00 | c | 98.00 | 98.00 | 95.00 | 94.00 | 85.00 | 76.00 | 74.00 | 98.00 | ||||||||||||
1956 | 70.00 | 75.00 | 82.00 | 88.00 | 97.00 | 99.00 | 100.00 | 99.00 | 98.00 | 89.00 | 78.00 | a | 75.00 | a | 100.00 | |||||||||||
1957 | 70.00 | 78.00 | 71.00 | 83.00 | 85.00 | 106.00 | k | 105.00 | 96.00 | d | 92.00 | 87.00 | 69.00 | 68.00 | b | 106.00 | ||||||||||
1958 | 66.00 | 70.00 | 73.00 | 83.00 | 90.00 | 98.00 | 105.00 | g | 99.00 | g | 97.00 | 86.00 | 77.00 | 75.00 | 105.00 | |||||||||||
1959 | 68.00 | 72.00 | 76.00 | 88.00 | 93.00 | 95.00 | f | 95.00 | 100.00 | 97.00 | 91.00 | 73.00 | a | 66.00 | 100.00 | |||||||||||
1960 | 61.00 | 57.00 | 80.00 | 87.00 | 95.00 | 100.00 | 95.00 | c | 94.00 | 92.00 | 85.00 | 78.00 | 62.00 | 100.00 | ||||||||||||
1961 | 64.00 | 77.00 | 79.00 | 86.00 | 92.00 | 96.00 | 94.00 | 95.00 | 89.00 | 85.00 | 71.00 | 69.00 | 96.00 | |||||||||||||
1962 | 67.00 | 80.00 | 80.00 | 89.00 | 95.00 | 98.00 | 100.00 | 99.00 | 95.00 | 89.00 | 77.00 | b | 71.00 | 100.00 | ||||||||||||
1963 | 71.00 | 77.00 | 87.00 | 85.00 | 94.00 | 94.00 | a | 100.00 | d | 94.00 | 91.00 | 90.00 | 78.00 | 72.00 | 100.00 | |||||||||||
1964 | 69.00 | 60.00 | 80.00 | 85.00 | a | 96.00 | 99.00 | 103.00 | 102.00 | e | 95.00 | 88.00 | 78.00 | 74.00 | 103.00 | |||||||||||
1965 | 71.00 | 74.00 | 75.00 | 95.00 | 89.00 | 94.00 | 98.00 | 96.00 | 92.00 | 92.00 | 79.00 | 73.00 | 98.00 | |||||||||||||
1966 | 61.00 | 66.00 | 83.00 | 85.00 | 94.00 | 97.00 | 101.00 | b | 93.00 | 90.00 | 84.00 | 79.00 | 72.00 | 101.00 | ||||||||||||
1967 | 74.00 | 71.00 | 83.00 | 85.00 | 94.00 | 93.00 | 97.00 | 94.00 | 91.00 | 90.00 | 80.00 | 64.00 | 97.00 | |||||||||||||
1968 | 69.00 | 70.00 | a | 78.00 | 80.00 | l | 95.00 | 106.00 | 97.00 | 95.00 | 91.00 | 88.00 | 75.00 | 71.00 | a | 106.00 | ||||||||||
1969 | 71.00 | a | 69.00 | b | 74.00 | 85.00 | 91.00 | 100.00 | 101.00 | 103.00 | 89.00 | 86.00 | 72.00 | 67.00 | 103.00 | |||||||||||
1970 | 74.00 | 77.00 | a | 75.00 | 80.00 | 93.00 | 101.00 | 96.00 | 98.00 | 94.00 | 82.00 | 75.00 | 73.00 | 101.00 | ||||||||||||
1971 | 74.00 | b | 73.00 | 86.00 | 87.00 | 92.00 | 95.00 | 100.00 | a | 93.00 | b | 93.00 | 83.00 | 78.00 | 72.00 | 100.00 | ||||||||||
1972 | 74.00 | a | 78.00 | d | 82.00 | 90.00 | c | 90.00 | 97.00 | 95.00 | 92.00 | 86.00 | 86.00 | 68.00 | 68.00 | 97.00 | ||||||||||
1973 | 62.00 | 65.00 | 72.00 | j | 80.00 | 88.00 | 99.00 | 101.00 | 98.00 | b | 91.00 | 88.00 | 82.00 | c | 71.00 | 101.00 | ||||||||||
1974 | 77.00 | b | 72.00 | 83.00 | 88.00 | 96.00 | 100.00 | 100.00 | 97.00 | a | 95.00 | 81.00 | 70.00 | 64.00 | 100.00 | |||||||||||
1975 | 73.00 | 69.00 | 76.00 | 84.00 | 82.00 | l | 99.00 | k | 92.00 | f | 96.00 | 90.00 | 87.00 | 80.00 | 74.00 | 99.00 | ||||||||||
1976 | 69.00 | 75.00 | 80.00 | 85.00 | 90.00 | 100.00 | 93.00 | 95.00 | 91.00 | a | 83.00 | 73.00 | 69.00 | 100.00 | ||||||||||||
1977 | 56.00 | 73.00 | 75.00 | 84.00 | 93.00 | 102.00 | 98.00 | 100.00 | a | 92.00 | 82.00 | 78.00 | 73.00 | 102.00 | ||||||||||||
1978 | 61.00 | 64.00 | 83.00 | 87.00 | 91.00 | 102.00 | 103.00 | 99.00 | 94.00 | 86.00 | 78.00 | 65.00 | 103.00 | |||||||||||||
1979 | 58.00 | 78.00 | 75.00 | 84.00 | m | 89.00 | e | 96.00 | 99.00 | 94.00 | 93.00 | 92.00 | 67.00 | 68.00 | 99.00 | |||||||||||
1980 | 70.00 | 74.00 | b | 73.00 | 84.00 | 89.00 | 104.00 | 101.00 | 99.00 | 90.00 | 84.00 | 84.00 | 74.00 | a | 104.00 | |||||||||||
1981 | 71.00 | 77.00 | 78.00 | 87.00 | ----- | z | 105.00 | t | 101.00 | 97.00 | 88.00 | 78.00 | 78.00 | 70.00 | f | 105.00 | ||||||||||
1982 | 67.00 | 77.00 | 81.00 | 85.00 | 90.00 | 96.00 | 98.00 | 96.00 | 90.00 | 83.00 | 72.00 | 65.00 | 98.00 | |||||||||||||
1983 | 66.00 | 65.00 | 78.00 | 81.00 | 87.00 | 98.00 | 98.00 | 94.00 | 98.00 | 85.00 | 73.00 | 65.00 | 98.00 | |||||||||||||
1984 | 69.00 | 70.00 | 74.00 | 82.00 | 97.00 | a | 93.00 | 94.00 | 93.00 | 95.00 | 82.00 | 74.00 | 72.00 | 97.00 | ||||||||||||
1985 | 60.00 | 66.00 | 74.00 | 80.00 | 89.00 | 97.00 | 98.00 | 96.00 | 92.00 | 83.00 | 79.00 | 65.00 | 98.00 | |||||||||||||
1986 | 74.00 | 76.00 | 81.00 | 86.00 | 91.00 | 93.00 | 99.00 | 99.00 | 87.00 | 82.00 | 72.00 | 56.00 | 99.00 | |||||||||||||
1987 | 64.00 | 70.00 | 72.00 | 87.00 | 84.00 | 96.00 | 97.00 | 95.00 | 85.00 | 87.00 | 74.00 | 73.00 | 97.00 | |||||||||||||
1988 | 65.00 | 70.00 | 79.00 | 81.00 | a | 92.00 | 92.00 | 93.00 | 94.00 | 88.00 | 86.00 | 78.00 | 63.00 | 94.00 | ||||||||||||
1989 | 69.00 | 79.00 | 88.00 | 93.00 | 96.00 | 95.00 | 99.00 | 96.00 | 88.00 | i | 87.00 | 75.00 | 69.00 | 99.00 | ||||||||||||
1990 | 68.00 | 72.00 | 77.00 | 84.00 | 92.00 | 106.00 | 94.00 | 98.00 | 91.00 | 82.00 | 76.00 | l | 69.00 | 106.00 | ||||||||||||
1991 | 60.00 | 68.00 | 77.00 | 84.00 | 92.00 | 99.00 | 96.00 | 89.00 | 87.00 | 86.00 | 72.00 | 64.00 | 99.00 | |||||||||||||
1992 | 66.00 | 71.00 | 75.00 | 87.00 | 89.00 | 97.00 | 103.00 | 95.00 | 91.00 | 87.00 | 72.00 | 66.00 | 103.00 | |||||||||||||
1993 | 64.00 | 67.00 | 75.00 | 86.00 | 88.00 | 98.00 | 102.00 | 92.00 | 90.00 | 86.00 | 70.00 | 69.00 | 102.00 | |||||||||||||
1994 | 69.00 | 72.00 | 79.00 | 86.00 | 91.00 | 104.00 | 99.00 | 99.00 | 93.00 | 84.00 | 80.00 | 67.00 | 104.00 | |||||||||||||
1995 | 67.00 | 75.00 | 84.00 | 84.00 | 92.00 | 100.00 | 104.00 | 96.00 | 99.00 | 84.00 | 77.00 | 70.00 | 104.00 | |||||||||||||
1996 | 69.00 | 77.00 | 78.00 | 92.00 | 98.00 | 102.00 | 97.00 | 96.00 | 87.00 | 86.00 | 79.00 | 71.00 | 102.00 | |||||||||||||
1997 | 72.00 | 70.00 | 82.00 | 81.00 | 88.00 | 98.00 | 100.00 | 95.00 | j | 96.00 | 89.00 | 74.00 | 66.00 | 100.00 | ||||||||||||
1998 | 67.00 | 74.00 | 82.00 | 85.00 | 102.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 102.00 | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 67.75 | 71.90 | 78.57 | 85.74 | 91.98 | 98.59 | 98.70 | 96.35 | 92.13 | 86.00 | 75.53 | 68.93 | 100.06 | |||||||||||||
S.D. | 4.69 | 5.00 | 4.01 | 3.31 | 3.53 | 3.47 | 3.00 | 2.81 | 3.51 | 3.09 | 3.80 | 4.05 | 2.49 | |||||||||||||
SKEW | -0.47 | -0.72 | 0.27 | 0.51 | 0.29 | 0.19 | -0.07 | 0.03 | 0.19 | -0.06 | -0.23 | -0.68 | -0.25 | |||||||||||||
MAX | 77.00 | 80.00 | 88.00 | 95.00 | 102.00 | 106.00 | 105.00 | 103.00 | 100.00 | 92.00 | 84.00 | 75.00 | 104.00 | |||||||||||||
MIN | 56.00 | 57.00 | 71.00 | 80.00 | 84.00 | 92.00 | 93.00 | 89.00 | 85.00 | 78.00 | 67.00 | 56.00 | 94.00 | |||||||||||||
NO YRS | 48 | 48 | 47 | 47 | 47 | 44 | 46 | 46 | 47 | 48 | 47 | 46 | 33 |