YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1942 | 65.00 | i | 60.00 | 71.68 | 81.60 | 86.81 | 99.47 | 107.65 | 103.10 | 98.63 | 85.94 | 72.00 | 65.10 | 84.72 | a | |||||||||||
1943 | 61.16 | 68.93 | 72.58 | 83.30 | 91.87 | 96.23 | 105.65 | 103.55 | 101.21 | a | 85.03 | 72.43 | 58.19 | 83.34 | ||||||||||||
1944 | 57.77 | 61.24 | 70.81 | 76.72 | a | 89.20 | a | 94.70 | 104.55 | 106.03 | 100.77 | 92.94 | 65.68 | e | 62.94 | 81.95 | ||||||||||
1945 | 61.45 | 64.21 | 67.73 | a | 79.76 | a | 91.00 | 97.97 | 106.87 | 103.26 | 100.30 | 86.23 | 70.20 | 58.13 | 82.26 | |||||||||||
1946 | 60.65 | 64.57 | 75.69 | b | 86.80 | 91.58 | 102.17 | 104.81 | 104.77 | a | 98.57 | 76.97 | 63.38 | a | 60.71 | 82.55 | ||||||||||
1947 | 55.58 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.58 | k | |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | 84.56 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.45 | 72.50 | 67.45 | 76.47 | i | |||
1959 | 63.63 | a | 64.14 | 76.81 | 87.87 | 91.29 | 105.90 | 109.94 | 103.61 | 95.93 | 90.23 | 72.03 | 62.71 | 85.34 | ||||||||||||
1960 | 56.55 | 60.86 | h | 77.87 | 86.00 | 96.26 | 110.13 | 111.23 | i | 105.96 | g | 101.93 | 85.65 | 72.07 | 60.81 | 83.03 | c | |||||||||
1961 | 64.23 | 67.93 | 74.87 | 88.00 | 91.71 | 105.70 | 108.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.91 | e | |||||||
1962 | ----- | z | ----- | z | 75.38 | r | 88.19 | d | 88.62 | e | 99.25 | b | 103.67 | a | 105.50 | c | 98.82 | b | 87.48 | 74.77 | 64.29 | 90.07 | c | |||
1963 | 59.13 | a | 70.81 | a | 72.45 | 77.27 | d | 92.81 | d | 95.45 | a | 105.37 | a | 102.17 | g | 98.84 | e | 87.88 | f | ----- | z | ----- | z | 84.02 | d | |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | 75.25 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | 63.16 | 61.29 | 73.19 | 77.57 | 87.42 | 96.93 | 109.13 | 109.55 | 97.17 | 82.65 | 69.90 | 63.13 | 82.59 | |||||||||||||
1999 | 65.94 | 67.71 | 78.68 | 75.90 | 91.16 | 102.45 | a | 103.48 | 106.58 | 99.90 | 91.61 | 77.37 | 65.42 | 85.52 | ||||||||||||
2000 | 64.48 | b | 69.03 | 73.84 | 88.93 | 98.61 | 106.00 | 109.48 | 107.29 | 100.00 | 84.03 | 65.53 | 65.61 | 86.07 | ||||||||||||
2001 | 61.71 | 65.29 | 75.10 | 81.33 | 99.87 | 104.87 | 107.84 | 108.94 | 103.60 | 90.26 | 75.76 | a | 57.97 | 86.04 | ||||||||||||
2002 | 61.45 | 70.14 | 73.19 | 88.10 | 93.29 | 107.10 | 112.19 | 108.23 | 99.83 | 82.94 | 72.90 | a | 61.55 | 85.91 | ||||||||||||
2003 | 70.23 | 66.29 | 73.07 | a | 79.40 | 94.77 | 105.00 | 113.45 | 107.13 | 102.63 | 94.03 | 66.77 | 61.55 | 86.19 | ||||||||||||
2004 | 63.16 | 61.66 | 84.03 | 83.87 | 94.77 | 105.40 | 109.81 | 106.68 | 99.33 | 82.16 | 66.67 | 61.19 | 84.89 | |||||||||||||
2005 | 62.03 | 65.93 | 74.10 | 80.70 | 94.55 | 100.80 | 113.89 | m | 108.23 | r | 98.50 | 85.87 | 72.33 | 62.71 | 79.75 | b | ||||||||||
2006 | 65.35 | 70.75 | 68.35 | 82.87 | 98.19 | 107.17 | 109.32 | 106.19 | 96.83 | 82.16 | 71.86 | p | ----- | z | 88.72 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 62.09 | 65.88 | 74.11 | 82.85 | 92.83 | 102.25 | 107.77 | 106.03 | 99.60 | 86.42 | 70.72 | 62.32 | 84.39 | |||||||||||||
S.D. | 3.52 | 3.50 | 3.78 | 4.39 | 3.67 | 4.59 | 2.90 | 2.06 | 1.98 | 4.39 | 3.90 | 2.75 | 1.70 | |||||||||||||
SKEW | 0.14 | -0.15 | 0.71 | -0.06 | 0.27 | -0.18 | 0.18 | 0.04 | 0.17 | -0.08 | -0.30 | -0.02 | -0.31 | |||||||||||||
MAX | 70.23 | 70.81 | 84.03 | 88.93 | 99.87 | 110.13 | 113.45 | 109.55 | 103.60 | 94.03 | 77.37 | 67.45 | 86.19 | |||||||||||||
MIN | 55.58 | 60.00 | 67.73 | 75.90 | 86.81 | 94.70 | 103.48 | 103.10 | 95.93 | 76.97 | 63.38 | 57.97 | 81.95 | |||||||||||||
YRS | 18 | 17 | 18 | 19 | 19 | 19 | 17 | 15 | 18 | 18 | 17 | 17 | 12 |