YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.43 | a | 74.43 | k |
1940 | 60.48 | 67.52 | d | 76.53 | l | 84.13 | 88.79 | b | 92.50 | d | 96.74 | 93.63 | a | 91.07 | b | 78.78 | h | 66.52 | a | 64.24 | b | 80.56 | b | |||
1941 | 59.81 | 63.76 | c | 68.97 | b | 77.22 | c | 83.89 | c | 88.31 | d | 94.52 | d | 94.88 | e | 85.52 | a | 77.67 | d | 66.35 | d | 63.48 | d | 77.03 | ||
1942 | 61.04 | d | 65.79 | d | 74.26 | d | 80.58 | d | 91.73 | e | 100.59 | c | 98.15 | d | 94.35 | e | 87.64 | e | 79.63 | d | 77.96 | d | 66.46 | e | 81.51 | |
1943 | 63.41 | b | 70.20 | c | 75.23 | e | 86.60 | e | 89.88 | e | 96.73 | d | 95.44 | d | 102.08 | e | 89.19 | d | 80.08 | g | 69.52 | c | ----- | z | 83.83 | b |
1944 | 61.24 | f | 64.40 | d | 76.24 | f | 82.53 | 91.10 | 98.80 | 99.58 | 95.61 | 85.03 | 79.81 | 68.23 | 57.45 | 82.25 | b | |||||||||
1945 | 63.00 | ----- | z | 75.61 | 82.66 | a | 93.65 | 99.17 | a | 93.48 | 97.13 | 92.77 | 76.77 | 75.27 | 64.29 | 83.07 | a | |||||||||
1946 | 57.97 | 69.75 | 76.10 | 86.24 | a | 88.84 | 96.93 | 98.68 | c | 98.38 | b | ----- | z | ----- | z | ----- | z | 65.00 | d | 81.99 | c | |||||
1947 | 56.14 | c | 62.31 | b | 72.07 | a | 82.12 | d | 90.50 | c | 100.75 | b | 99.68 | i | 98.21 | l | 97.19 | c | 91.00 | b | 72.27 | d | 67.04 | f | 80.48 | c |
1948 | 72.67 | y | ----- | 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 | 88.97 | b | 77.74 | g | 71.20 | k | 88.97 | k |
1951 | 66.23 | ----- | z | 72.74 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.48 | j | ||
1952 | 68.87 | 67.97 | 70.61 | 79.13 | 90.03 | 99.93 | 96.32 | 101.45 | 92.48 | i | 83.48 | 66.23 | h | 61.65 | 81.95 | b | ||||||||||
1953 | 71.06 | 66.29 | 77.39 | 82.47 | 90.34 | b | 102.52 | c | 99.81 | 97.13 | 94.60 | 80.61 | 70.38 | f | 57.06 | 83.57 | a | |||||||||
1954 | 65.52 | 72.54 | 73.35 | 86.86 | a | 88.17 | a | 97.47 | 100.26 | 96.65 | 94.90 | 86.73 | i | 72.86 | a | 64.74 | 83.03 | a | ||||||||
1955 | 57.06 | 63.93 | 75.80 | a | 84.43 | 90.07 | a | 97.07 | 96.23 | a | 96.03 | 92.27 | d | 81.03 | 69.50 | 66.58 | 80.83 | |||||||||
1956 | 63.68 | 62.79 | 77.68 | 79.67 | 94.47 | a | 100.10 | 99.45 | 97.39 | 94.70 | 85.45 | 68.70 | 63.19 | 82.27 | ||||||||||||
1957 | 63.00 | 69.07 | 72.32 | 79.50 | 86.13 | 97.43 | 100.35 | 97.81 | 91.20 | 74.29 | 60.13 | 65.55 | 79.73 | |||||||||||||
1958 | 55.94 | 61.04 | 63.65 | 78.17 | 89.61 | 98.80 | 100.03 | 96.87 | 86.40 | 71.45 | 68.23 | 63.14 | c | 77.78 | ||||||||||||
1959 | 62.61 | 63.43 | 73.39 | 79.33 | 90.00 | 96.43 | 94.26 | 97.23 | 93.60 | 79.33 | a | 67.15 | c | 59.89 | d | 79.72 | ||||||||||
1960 | 57.77 | 62.37 | b | 70.48 | f | 84.63 | 90.48 | 100.17 | a | 93.06 | 93.10 | 90.48 | a | 80.77 | a | 69.40 | 51.61 | 79.44 | a | |||||||
1961 | 55.77 | 66.32 | 72.83 | a | 83.00 | 91.84 | 94.07 | b | 94.84 | 94.87 | 89.17 | 83.50 | a | 62.17 | 61.46 | c | 79.15 | |||||||||
1962 | 57.00 | 71.96 | 69.16 | 82.33 | 95.03 | 96.23 | 96.77 | a | 99.77 | 88.83 | 81.23 | 69.40 | 60.19 | d | 80.66 | |||||||||||
1963 | 58.13 | 66.96 | 75.48 | 85.57 | 91.58 | 95.77 | 99.26 | 94.68 | 89.10 | 84.23 | 69.87 | 55.16 | 80.48 | |||||||||||||
1964 | 59.58 | 60.62 | 72.39 | 83.00 | a | 90.39 | c | 96.13 | 99.68 | 98.68 | 87.47 | 82.52 | 69.57 | 64.30 | a | 80.36 | ||||||||||
1965 | 64.61 | 62.50 | 66.77 | 84.67 | 88.74 | 94.73 | 98.29 | 93.39 | 89.90 | 81.90 | 74.20 | 62.45 | 80.18 | |||||||||||||
1966 | 53.97 | 60.29 | 74.81 | 79.87 | 88.03 | 93.67 | 100.06 | 92.03 | 87.73 | 77.68 | 73.07 | 59.77 | 78.41 | |||||||||||||
1967 | 63.63 | a | 67.33 | a | 79.13 | 86.53 | 89.68 | 95.47 | 97.03 | 92.90 | 86.53 | 83.10 | 69.37 | 56.52 | 80.60 | |||||||||||
1968 | 57.07 | a | 61.55 | 68.35 | 78.10 | 89.10 | 97.41 | a | 93.97 | 93.81 | 87.73 | 83.10 | 65.00 | 61.81 | 78.08 | |||||||||||
1969 | 66.52 | 65.07 | 63.94 | 83.10 | 89.84 | 95.13 | 99.58 | 99.00 | 88.87 | 75.48 | 66.23 | 61.42 | 79.51 | |||||||||||||
1970 | 60.84 | 64.43 | 68.80 | a | 80.10 | 89.65 | 92.87 | 95.94 | 96.61 | 87.90 | 74.29 | 70.47 | 66.81 | 79.06 | ||||||||||||
1971 | 64.90 | 66.46 | 77.45 | 81.00 | 89.13 | 96.53 | 96.77 | 87.97 | 87.55 | a | 77.35 | 70.90 | 61.23 | 79.77 | ||||||||||||
1972 | 63.68 | 70.21 | 79.23 | 88.33 | 87.71 | ----- | z | ----- | z | 91.57 | a | ----- | z | ----- | z | 65.37 | ----- | z | 78.01 | e | ||||||
1973 | 58.29 | 61.50 | 71.65 | 79.67 | 90.06 | 96.40 | 93.19 | 95.84 | 90.27 | 85.52 | 74.77 | 68.32 | 80.46 | |||||||||||||
1974 | 63.48 | 68.46 | 81.61 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.19 | i | |||
1975 | ----- | z | 70.22 | e | 75.29 | 81.77 | 88.87 | 99.10 | 93.97 | 95.23 | 86.77 | 84.61 | 75.17 | f | 65.50 | a | 84.13 | b | ||||||||
1976 | 64.00 | 74.59 | 76.23 | 84.27 | 86.13 | 97.73 | 91.77 | 95.77 | 85.67 | 76.32 | 61.57 | 61.13 | 79.60 | |||||||||||||
1977 | 57.03 | 69.32 | 73.81 | 81.30 | 92.03 | 99.33 | 99.68 | 101.48 | 96.87 | 82.19 | 74.28 | a | 70.03 | a | 83.11 | |||||||||||
1978 | 57.45 | 62.04 | 77.13 | 88.83 | 92.45 | 99.70 | 99.74 | 95.48 | 85.10 | 80.48 | 66.24 | a | 61.30 | a | 80.50 | |||||||||||
1979 | 52.48 | 64.15 | b | 72.16 | 82.50 | 89.32 | 94.03 | 98.00 | 93.45 | 90.07 | 89.71 | 68.83 | 63.76 | f | 81.34 | a | ||||||||||
1980 | 62.61 | 68.28 | 76.87 | 82.93 | 90.90 | 104.73 | 104.00 | 98.61 | 89.87 | 80.00 | a | 65.66 | a | 67.06 | n | 84.04 | a | |||||||||
1981 | 59.23 | 67.86 | 70.94 | 82.20 | 89.65 | 100.78 | c | 97.55 | 92.55 | 89.00 | 81.16 | 78.50 | 68.82 | i | 82.67 | a | ||||||||||
1982 | 67.26 | 66.56 | a | 80.03 | 84.40 | 89.94 | 99.97 | a | 100.65 | 99.94 | 94.47 | 83.67 | a | 68.70 | 59.11 | d | 82.89 | |||||||||
1983 | 58.29 | 67.19 | a | 75.42 | 78.37 | ----- | z | ----- | z | ----- | z | 99.80 | a | 96.24 | a | 81.90 | a | 76.90 | i | 63.81 | e | 77.63 | d | |||
1984 | ----- | z | ----- | z | 78.13 | 85.79 | a | 93.23 | 93.77 | 96.45 | 93.87 | 88.67 | 76.50 | a | 68.17 | a | 63.79 | c | 83.84 | b | ||||||
1985 | 59.52 | d | 63.37 | a | 75.66 | b | 86.72 | a | 94.43 | c | 97.41 | m | 98.32 | 100.87 | 91.43 | 79.33 | a | 74.00 | 63.32 | 80.63 | a | |||||
1986 | 68.25 | g | 70.93 | 79.32 | 89.70 | 92.13 | 93.23 | 96.81 | 95.65 | 88.70 | 77.62 | b | 68.43 | b | 58.07 | a | 82.78 | a | ||||||||
1987 | 61.52 | 64.46 | 67.33 | p | 79.63 | 85.71 | 93.27 | 98.52 | 96.94 | 88.60 | 85.15 | d | 70.90 | 63.94 | 80.78 | a | ||||||||||
1988 | 59.13 | a | 68.86 | 77.26 | 84.27 | 89.84 | 96.57 | 97.23 | 96.26 | 91.90 | i | 84.63 | a | 77.20 | 63.22 | d | 81.31 | a | ||||||||
1989 | 66.00 | 66.11 | 81.42 | 90.07 | 96.36 | i | 98.93 | 100.00 | 96.94 | 89.97 | 86.16 | 73.87 | 60.00 | p | 84.95 | b | ||||||||||
1990 | 67.35 | 71.68 | 75.52 | 84.30 | 92.37 | d | 107.10 | a | 93.79 | b | 93.65 | 89.70 | ----- | z | ----- | z | ----- | z | 86.16 | c | ||||||
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 98.03 | 96.29 | 94.03 | 84.61 | 67.03 | 60.03 | 83.34 | f | ||||||
1993 | 61.32 | c | 65.37 | a | 75.77 | 87.00 | 91.55 | 100.73 | 100.93 | a | 99.81 | 92.23 | 83.34 | b | 69.79 | a | 65.14 | b | 82.75 | |||||||
1994 | 62.59 | d | 69.56 | a | 76.54 | c | 86.52 | a | 91.29 | 103.97 | 102.83 | b | 99.61 | 91.80 | 83.20 | a | 73.35 | g | 65.32 | 84.84 | a | |||||
1995 | 62.84 | 73.54 | 74.42 | 84.70 | 92.83 | a | 98.10 | 101.45 | 99.71 | 86.34 | a | 82.77 | 71.47 | 61.19 | 82.45 | |||||||||||
1996 | 64.23 | 67.41 | 71.13 | a | 81.17 | 99.84 | 100.43 | 98.26 | 93.87 | 88.61 | b | 84.55 | 75.32 | b | 68.94 | 82.81 | ||||||||||
1997 | 59.94 | 62.07 | 78.39 | 79.43 | 90.84 | 98.40 | 101.94 | 100.00 | 94.97 | 83.42 | 70.37 | 59.55 | 81.61 | |||||||||||||
1998 | 67.77 | 68.43 | 75.16 | 83.13 | 97.97 | 105.77 | 103.90 | 97.45 | 97.07 | 85.60 | a | 73.80 | 61.97 | 84.84 | ||||||||||||
1999 | 69.90 | a | 77.54 | 77.48 | 87.50 | 91.68 | 96.80 | 98.55 | 100.52 | 93.30 | 85.26 | 77.90 | a | 62.67 | a | 84.92 | ||||||||||
2000 | 68.55 | 75.29 | a | 78.94 | 87.87 | 98.74 | 95.59 | a | 102.03 | a | 99.19 | 96.63 | 78.74 | 61.31 | a | 59.29 | c | 83.51 | ||||||||
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 |
2003 | 63.48 | b | 64.57 | g | 72.93 | p | 87.53 | o | 97.22 | v | 53.40 | y | ----- | z | ----- | z | ----- | z | 85.00 | r | 75.00 | p | ----- | z | 63.48 | k |
2004 | 64.12 | o | 67.80 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 61.77 | 66.82 | 74.50 | 83.26 | 90.77 | 97.77 | 98.00 | 96.55 | 90.46 | 81.62 | 69.91 | 62.61 | 80.82 | |||||||||||||
S.D. | 4.24 | 4.00 | 4.00 | 3.23 | 2.96 | 3.54 | 2.86 | 2.93 | 3.41 | 4.02 | 4.37 | 3.96 | 1.98 | |||||||||||||
SKEW | 0.08 | 0.48 | -0.72 | 0.15 | 0.83 | 0.26 | -0.10 | -0.27 | 0.42 | -0.17 | -0.07 | 0.08 | 0.28 | |||||||||||||
MAX | 71.06 | 77.54 | 81.61 | 90.07 | 99.84 | 107.10 | 104.00 | 102.08 | 97.19 | 91.00 | 78.50 | 74.43 | 84.92 | |||||||||||||
MIN | 52.48 | 60.29 | 63.65 | 77.22 | 83.89 | 88.31 | 91.77 | 87.97 | 85.03 | 71.45 | 60.13 | 51.61 | 77.03 | |||||||||||||
YRS | 53 | 53 | 52 | 54 | 52 | 51 | 52 | 54 | 51 | 50 | 48 | 48 | 30 |