YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 101.19 | 97.61 | 94.27 | 82.52 | 77.50 | 67.06 | 86.69 | f | ||||||
1942 | 68.26 | 66.11 | 72.16 | 80.10 | 92.00 | 101.97 | 105.39 | 99.77 | 97.63 | 85.19 | 80.63 | 70.81 | 85.00 | |||||||||||||
1943 | 68.03 | 75.18 | 77.03 | 88.27 | 94.32 | 98.93 | 103.94 | 97.68 | 97.50 | 86.39 | 78.03 | 66.03 | 85.94 | |||||||||||||
1944 | 65.10 | 64.38 | 70.48 | 78.00 | 89.52 | 97.67 | 102.06 | 100.45 | 93.93 | 88.39 | 70.24 | a | 67.26 | 82.29 | ||||||||||||
1945 | 65.45 | 69.50 | 69.48 | 80.90 | 91.03 | 98.03 | 102.26 | 99.35 | 97.90 | 87.32 | 78.72 | a | 68.29 | 84.02 | ||||||||||||
1946 | 62.26 | 71.89 | 78.84 | 89.73 | 93.53 | a | 104.37 | 101.58 | 98.74 | 95.07 | a | 82.90 | 72.34 | a | 71.77 | 85.25 | ||||||||||
1947 | 63.87 | 75.67 | a | 76.48 | 82.13 | 93.77 | 99.17 | 105.06 | 98.19 | 99.07 | 87.61 | 69.33 | 63.45 | 84.48 | ||||||||||||
1948 | 70.61 | 66.66 | 68.94 | 85.87 | 93.71 | 101.38 | a | 103.00 | 100.65 | 97.97 | 85.42 | 72.87 | 66.74 | 84.48 | ||||||||||||
1949 | 55.42 | 66.96 | 76.13 | 84.17 | 92.00 | 100.40 | 99.52 | 100.45 | 98.24 | a | 83.32 | 83.23 | 67.35 | 83.93 | ||||||||||||
1950 | 68.55 | b | 74.68 | 78.35 | 87.47 | 91.00 | 100.47 | 96.71 | 101.08 | g | 95.39 | b | 95.42 | 82.23 | 76.23 | 86.05 | a | |||||||||
1951 | 66.55 | 70.50 | 74.77 | 81.33 | 91.94 | 99.43 | 104.45 | 99.61 | 101.07 | 88.23 | 73.13 | 65.42 | 84.70 | |||||||||||||
1952 | 66.65 | 67.79 | 67.13 | 81.53 | 94.48 | 101.40 | 102.52 | 100.26 | 100.07 | 95.03 | 71.20 | 65.45 | 84.46 | |||||||||||||
1953 | 71.68 | 69.86 | 76.26 | 82.40 | 86.35 | 102.70 | 100.68 | 102.39 | 101.57 | 88.45 | 78.77 | 66.32 | 85.62 | |||||||||||||
1954 | 70.35 | 77.25 | 74.13 | 88.83 | 93.26 | 100.57 | 101.00 | 97.16 | 98.60 | 90.81 | 80.12 | e | 71.74 | 86.99 | ||||||||||||
1955 | 61.55 | 66.32 | 76.77 | 83.03 | 89.81 | 100.43 | 99.42 | 95.77 | 98.73 | 91.23 | 76.53 | 73.10 | 84.39 | |||||||||||||
1956 | 72.23 | 65.03 | 80.10 | 81.93 | 95.19 | 103.63 | 100.71 | 99.42 | 101.67 | 88.32 | 75.37 | 68.31 | b | 85.99 | ||||||||||||
1957 | 65.52 | 75.71 | 73.94 | 81.23 | 87.03 | 102.73 | 103.39 | 98.84 | 98.13 | 81.87 | 69.47 | 70.42 | 84.02 | |||||||||||||
1958 | 67.06 | 70.21 | 67.19 | 80.27 | 96.97 | 103.07 | 102.77 | 99.23 | a | 95.90 | 85.03 | 74.87 | 74.87 | 84.79 | ||||||||||||
1959 | 72.19 | 68.46 | 77.87 | 87.30 | 91.06 | 103.30 | 102.97 | 95.81 | 95.87 | 87.29 | 73.70 | 66.06 | 85.16 | |||||||||||||
1960 | 61.97 | 63.62 | 79.84 | 85.43 | 92.42 | 104.47 | 103.19 | 100.77 | 99.40 | 84.61 | 77.90 | 66.61 | 85.02 | |||||||||||||
1961 | 68.39 | 71.21 | 75.87 | 85.17 | 93.26 | 103.73 | 102.68 | 98.58 | 94.13 | 86.10 | 70.77 | 64.10 | 84.50 | |||||||||||||
1962 | 64.74 | 70.54 | 70.52 | 89.17 | 91.03 | 100.07 | 100.97 | 104.16 | 97.57 | 88.29 | 78.67 | 68.81 | 85.38 | |||||||||||||
1963 | 64.97 | 74.04 | 75.61 | 82.23 | 95.10 | 98.57 | 103.61 | 96.58 | 98.23 | 90.16 | 75.00 | 70.52 | 85.38 | |||||||||||||
1964 | 65.00 | 65.69 | 70.58 | 79.87 | 92.03 | 99.57 | 101.94 | 97.10 | 91.07 | 88.74 | 70.93 | 67.29 | 82.48 | |||||||||||||
1965 | 69.13 | 67.64 | 72.23 | 82.07 | 89.45 | 96.33 | 102.13 | 101.71 | 94.20 | 90.71 | 77.13 | 65.39 | 84.01 | |||||||||||||
1966 | 63.23 | 62.89 | 77.97 | 84.43 | 94.29 | 101.30 | 102.58 | 98.65 | 93.43 | 87.03 | 79.17 | 68.61 | 84.47 | |||||||||||||
1967 | 69.35 | 73.29 | 79.94 | 80.70 | 89.94 | 97.40 | 99.74 | 98.94 | 95.30 | 88.61 | 78.73 | 62.29 | 84.52 | |||||||||||||
1968 | 67.29 | 72.97 | 72.45 | 79.40 | 90.97 | 102.10 | 99.90 | 95.81 | 96.80 | 89.65 | 72.87 | 66.97 | 83.93 | |||||||||||||
1969 | 69.23 | 67.71 | 71.61 | 84.83 | 93.84 | 99.30 | 101.29 | 102.19 | 97.90 | 84.45 | 72.90 | 68.61 | 84.49 | |||||||||||||
1970 | 67.26 | 73.32 | 70.77 | 78.63 | 93.74 | 101.60 | 103.81 | 100.29 | 92.10 | 82.74 | 78.10 | 68.61 | 84.25 | |||||||||||||
1971 | 69.26 | 69.57 | 78.87 | 82.33 | 88.32 | 99.97 | 103.81 | 96.00 | 94.87 | 79.29 | 73.63 | 61.45 | 83.11 | |||||||||||||
1972 | 69.10 | 74.72 | 84.65 | 85.70 | 91.87 | 99.50 | 103.39 | 98.42 | 95.40 | 81.19 | 69.03 | 64.58 | 84.80 | |||||||||||||
1973 | 63.03 | 66.96 | 65.16 | 77.47 | 92.13 | 99.73 | 100.94 | 102.06 | 98.37 | 89.68 | 76.67 | 70.48 | 83.56 | |||||||||||||
1974 | 66.29 | 70.18 | 76.55 | 83.77 | 93.61 | 105.83 | 98.65 | 99.42 | 93.47 | 83.84 | 73.77 | 63.19 | 84.05 | |||||||||||||
1975 | 67.16 | 68.21 | 72.35 | 76.40 | 88.77 | 99.67 | 98.87 | 102.32 | 94.80 | 86.94 | 76.43 | 69.06 | 83.42 | |||||||||||||
1976 | 69.10 | 72.34 | 74.06 | 81.17 | 90.97 | 101.30 | 98.13 | a | 101.68 | 92.37 | 82.45 | 75.20 | 68.16 | 83.91 | ||||||||||||
1977 | 63.84 | 73.71 | 71.77 | 83.80 | 88.10 | 102.53 | 102.03 | 101.71 | 96.77 | 87.35 | 78.37 | 71.29 | 85.11 | |||||||||||||
1978 | 65.42 | 66.36 | 75.16 | 82.33 | 91.19 | 104.67 | 104.10 | 99.90 | 95.83 | 89.32 | 71.00 | 62.52 | 83.98 | |||||||||||||
1979 | 59.06 | 68.11 | 70.48 | 84.00 | 88.81 | 100.53 | 103.74 | 99.26 | 100.40 | 90.81 | 72.47 | 71.10 | 84.06 | |||||||||||||
1980 | 66.61 | 70.72 | 71.06 | 82.43 | 88.68 | 105.37 | 104.45 | 99.90 | 98.33 | 85.68 | 77.00 | 75.65 | 85.49 | |||||||||||||
1981 | 69.23 | 74.43 | 72.42 | 86.73 | 90.03 | 103.83 | 100.81 | 101.87 | 98.03 | 85.13 | 80.40 | 72.94 | 86.32 | |||||||||||||
1982 | 66.61 | 71.54 | 74.84 | 84.53 | 90.58 | 100.23 | 101.26 | 100.10 | 95.77 | ----- | z | ----- | z | ----- | z | 87.27 | c | |||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 66.50 | 70.05 | 74.17 | 83.10 | 91.61 | 101.15 | 101.92 | 99.48 | 96.74 | 86.92 | 75.47 | 68.17 | 84.56 | |||||||||||||
S.D. | 3.47 | 3.69 | 4.10 | 3.23 | 2.38 | 2.27 | 1.96 | 2.03 | 2.57 | 3.49 | 3.72 | 3.59 | 0.96 | |||||||||||||
SKEW | -0.85 | 0.02 | 0.08 | 0.17 | -0.11 | 0.14 | -0.51 | -0.06 | -0.10 | 0.19 | 0.02 | 0.30 | 0.05 | |||||||||||||
MAX | 72.23 | 77.25 | 84.65 | 89.73 | 96.97 | 105.83 | 105.39 | 104.16 | 101.67 | 95.42 | 83.23 | 76.23 | 86.99 | |||||||||||||
MIN | 55.42 | 62.89 | 65.16 | 76.40 | 86.35 | 96.33 | 96.71 | 95.77 | 91.07 | 79.29 | 69.03 | 61.45 | 82.29 | |||||||||||||
YRS | 41 | 41 | 41 | 41 | 41 | 41 | 42 | 41 | 42 | 41 | 41 | 41 | 39 |