YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 86.19 | i | 94.62 | j | 88.19 | 81.86 | i | 68.50 | i | 60.73 | d | 49.76 | b | 66.23 | i | |
1942 | 50.00 | d | 48.62 | b | 60.10 | a | 69.71 | w | 84.10 | u | 90.44 | c | 97.85 | e | 93.14 | q | 88.40 | j | 74.20 | a | 63.53 | k | 55.69 | e | 68.13 | e |
1943 | 51.48 | b | 57.58 | b | 61.47 | a | 70.81 | d | 76.00 | u | 86.85 | c | 95.73 | e | 90.52 | h | 88.15 | c | 77.11 | m | 64.81 | c | 50.78 | m | 72.11 | d |
1944 | 49.37 | a | 47.58 | c | 57.50 | e | ----- | z | 80.71 | j | 82.96 | g | 95.36 | c | 96.63 | a | 90.04 | b | 78.43 | a | 56.39 | b | 53.89 | c | 69.47 | c |
1945 | 53.37 | a | 55.15 | b | 55.50 | c | 66.59 | h | 77.67 | m | 88.15 | c | 94.90 | a | 89.46 | c | 86.83 | 75.56 | m | 62.00 | 47.50 | o | 73.17 | d | ||
1946 | 50.85 | e | 55.88 | b | 62.52 | b | 75.22 | c | 78.32 | 91.80 | 93.71 | 90.74 | 87.86 | b | 66.77 | 55.45 | a | 53.87 | 71.92 | |||||||
1947 | ----- | z | 61.35 | h | 65.11 | c | 70.92 | e | 83.73 | e | 85.78 | c | 95.20 | a | 90.16 | f | 91.57 | b | ----- | z | 53.47 | 46.15 | d | 73.99 | d | |
1948 | 53.87 | a | 43.75 | u | ----- | z | ----- | z | 81.48 | d | 87.79 | b | 94.52 | d | 91.83 | b | 82.50 | r | 75.67 | d | 57.62 | v | ----- | z | 80.86 | f |
1949 | 34.62 | r | 45.18 | 58.25 | c | 75.95 | k | 75.48 | f | 85.90 | a | 93.46 | c | 91.14 | c | 87.61 | b | 75.36 | t | 69.83 | f | 45.96 | e | 72.50 | e | |
1950 | 52.58 | s | 57.48 | c | 60.94 | m | 73.86 | a | 78.60 | f | 92.00 | l | 90.88 | f | 92.63 | a | 83.93 | 81.78 | d | 72.67 | x | 61.16 | f | 77.94 | g | |
1951 | 50.87 | 53.48 | a | 58.80 | k | 68.81 | c | 76.36 | c | 92.19 | n | 95.72 | f | 88.61 | c | 87.58 | d | 71.00 | c | 60.17 | l | 45.46 | c | 67.77 | d | |
1952 | 45.30 | a | 52.07 | a | 50.68 | 66.54 | d | 80.07 | c | 85.89 | c | 93.71 | c | 94.16 | f | 87.58 | f | 81.97 | a | 54.75 | b | 48.41 | d | 65.94 | b | |
1953 | 57.13 | 55.71 | 62.39 | c | 67.73 | d | 72.00 | b | 89.62 | d | 91.16 | f | 90.18 | c | 89.44 | u | 75.82 | i | 64.17 | g | 49.77 | a | 68.07 | d | ||
1954 | 51.35 | 62.93 | 57.97 | 75.50 | d | 82.68 | f | 87.57 | b | 94.07 | d | 89.20 | f | 84.56 | l | 77.72 | b | 64.12 | n | 50.22 | m | 72.45 | e | |||
1955 | 42.97 | b | 46.96 | b | 62.04 | h | 67.93 | b | 78.56 | f | 88.71 | b | 92.72 | f | 90.06 | 87.85 | c | 78.52 | 60.60 | 54.55 | 68.68 | c | ||||
1956 | 54.87 | 50.69 | 65.14 | c | 68.52 | a | 80.48 | 91.48 | a | 92.55 | b | 90.07 | a | 90.90 | a | 74.63 | a | 62.32 | b | 52.68 | f | 74.70 | a | |||
1957 | 45.15 | e | 59.42 | b | 60.76 | b | 65.60 | 70.96 | d | 91.44 | c | 93.52 | b | 89.30 | a | 87.82 | b | 69.10 | a | 52.20 | 54.81 | e | 70.01 | |||
1958 | 52.96 | c | 57.15 | b | 51.47 | a | 64.54 | d | 82.87 | a | 90.21 | a | 94.39 | 94.28 | b | 83.50 | b | 81.78 | m | 60.43 | b | 62.82 | i | 73.18 | b | |
1959 | 53.17 | b | 51.43 | 63.55 | b | 73.38 | d | 79.15 | e | 92.75 | b | 97.19 | 89.31 | b | 82.86 | a | 75.13 | a | 62.11 | b | 50.88 | f | 74.55 | a | ||
1960 | 43.69 | b | 49.85 | c | 65.34 | b | 70.42 | f | 80.19 | 93.83 | 97.55 | 94.42 | 87.17 | 71.35 | 61.86 | p | 51.23 | r | 75.93 | c | ||||||
1961 | 53.31 | r | 57.61 | 59.63 | a | 70.17 | a | 79.32 | 94.66 | a | 96.48 | 90.17 | a | 81.17 | a | 73.23 | 56.27 | 50.50 | q | 75.87 | b | |||||
1962 | 48.81 | 52.96 | 55.52 | 76.30 | 77.30 | a | 88.70 | 95.33 | s | 94.44 | d | 88.86 | a | 75.13 | 66.24 | e | 55.29 | 70.87 | a | |||||||
1963 | 47.58 | e | 61.86 | 59.81 | 63.70 | c | 84.31 | b | 84.69 | d | 96.16 | 90.17 | a | 87.04 | b | 78.37 | a | 62.67 | i | 54.03 | b | 73.43 | a | |||
1964 | 48.58 | 52.14 | a | 54.90 | a | 64.64 | b | 76.74 | 87.67 | 96.41 | b | 91.16 | 85.36 | b | 81.58 | 57.09 | h | 51.65 | e | 71.89 | a | |||||
1965 | 54.22 | d | 56.64 | c | 57.58 | e | 63.21 | a | 74.28 | b | 83.88 | e | 93.13 | 92.07 | a | 84.04 | e | 80.81 | d | 66.69 | n | 44.63 | l | 73.99 | b | |
1966 | 48.39 | 47.71 | 64.94 | 74.11 | b | 83.41 | b | 88.67 | i | 93.13 | 94.26 | d | 86.40 | 73.39 | 62.23 | 51.37 | a | 70.85 | a | |||||||
1967 | 54.73 | p | 59.07 | 63.74 | 60.57 | b | 78.64 | c | 85.15 | c | 93.65 | 92.00 | 82.40 | 75.16 | 64.23 | 43.32 | 72.54 | a | ||||||||
1968 | 51.19 | j | 58.72 | 62.15 | d | ----- | z | 78.06 | 89.32 | b | 91.81 | 85.03 | 86.53 | 74.81 | 60.63 | 50.95 | l | 76.34 | c | |||||||
1969 | 50.85 | d | 48.79 | 57.21 | b | 70.40 | 81.94 | 85.18 | h | 92.90 | a | 94.83 | a | 84.50 | b | 67.74 | 60.22 | c | ----- | z | 70.94 | b | ||||
1970 | 52.24 | b | 58.67 | a | 58.39 | c | 61.25 | j | 81.38 | b | 90.07 | b | 93.97 | 92.26 | d | 82.70 | 69.63 | a | 62.33 | ----- | z | 74.16 | b | |||
1971 | 51.77 | 55.07 | 62.74 | d | 70.10 | 73.48 | 90.64 | b | 98.06 | 91.00 | b | 84.33 | 68.65 | 58.77 | 43.88 | n | 73.15 | a | ||||||||
1972 | 52.29 | 60.55 | 71.32 | f | 71.70 | 79.26 | h | 88.17 | a | 97.80 | a | 92.87 | 83.10 | 66.37 | a | 54.10 | ----- | z | 74.11 | c | ||||||
1973 | 44.10 | 50.67 | a | 51.16 | 65.25 | b | 79.62 | b | 89.00 | 95.60 | a | 93.60 | a | 86.23 | 76.79 | b | ----- | z | 49.20 | u | 73.20 | b | ||||
1974 | 45.40 | a | 54.68 | 63.77 | 69.15 | d | 83.72 | b | 96.59 | a | 93.03 | b | 93.35 | 87.80 | 75.57 | a | 59.80 | ----- | z | 74.81 | a | |||||
1975 | 50.29 | 53.14 | 54.90 | 61.14 | b | 76.96 | e | 88.70 | 94.13 | 93.00 | 86.97 | a | 75.13 | a | 60.03 | 54.00 | d | 70.70 | ||||||||
1976 | 58.43 | h | 56.70 | b | 59.13 | a | 67.73 | 80.83 | a | 89.26 | c | 92.93 | a | 91.65 | 82.79 | a | 72.40 | a | 64.83 | ----- | z | 75.83 | b | |||
1977 | 49.65 | 61.48 | c | 57.52 | b | 73.96 | c | 72.71 | 92.21 | a | 94.80 | a | 92.97 | 85.77 | 78.43 | c | 63.07 | ----- | z | 74.78 | a | |||||
1978 | 50.39 | 52.85 | a | 62.24 | b | 65.45 | a | 77.56 | d | 90.93 | a | 96.26 | 93.48 | 84.43 | b | 78.90 | b | 56.43 | 44.50 | a | 71.12 | |||||
1979 | 41.87 | a | ----- | z | 58.00 | b | 69.81 | c | 78.75 | c | 89.47 | 95.94 | 90.13 | 90.83 | 77.29 | c | 57.04 | b | 55.23 | 73.12 | a | |||||
1980 | 49.28 | b | 56.48 | 55.29 | c | 69.93 | c | 72.84 | 89.30 | 94.16 | ----- | z | ----- | z | ----- | z | ----- | z | 59.68 | l | 69.61 | e | ||||
1981 | 58.20 | k | 59.50 | h | 58.33 | j | 75.90 | i | 77.39 | h | 92.97 | 94.84 | 92.32 | 84.23 | 67.81 | 61.57 | 53.60 | k | 82.29 | f | ||||||
1982 | 47.57 | a | 52.29 | 56.73 | t | 66.38 | a | 76.23 | 87.03 | 91.97 | a | 89.80 | a | 81.90 | a | 68.74 | 54.23 | 50.07 | c | 69.65 | a | |||||
1983 | 52.23 | ----- | z | 56.76 | b | 60.41 | a | 78.16 | 88.14 | a | 92.28 | b | 88.48 | 86.64 | b | 73.48 | f | 55.12 | d | 51.72 | b | 70.99 | b | |||
1984 | 51.77 | 56.19 | b | 63.43 | c | 68.31 | d | 86.13 | 86.96 | d | 89.90 | 88.68 | 86.97 | 66.40 | a | ----- | z | 49.79 | q | 74.47 | b | |||||
1985 | 49.59 | i | 58.58 | i | 57.92 | e | 77.33 | f | 79.97 | a | 92.10 | 96.38 | b | 94.32 | 80.81 | d | 73.48 | d | 64.33 | u | ----- | z | 82.14 | e | ||
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 |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 100.11 | v | ----- | z | ----- | z | 69.67 | y | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 49.82 | 54.51 | 59.31 | 68.58 | 78.76 | 89.33 | 94.60 | 91.51 | 85.93 | 74.22 | 59.41 | 50.93 | 70.94 | |||||||||||||
S.D. | 3.60 | 4.46 | 4.02 | 4.28 | 3.74 | 2.81 | 1.87 | 2.33 | 2.73 | 4.59 | 3.83 | 3.95 | 0.80 | |||||||||||||
SKEW | -0.45 | -0.16 | -0.34 | -0.10 | -0.25 | 0.34 | -0.03 | -0.24 | 0.07 | -0.14 | -0.18 | -0.53 | 0.10 | |||||||||||||
MAX | 57.13 | 62.93 | 65.34 | 76.30 | 86.13 | 96.59 | 98.06 | 96.63 | 91.57 | 81.97 | 66.24 | 55.69 | 71.92 | |||||||||||||
MIN | 41.87 | 45.18 | 50.68 | 60.41 | 70.96 | 83.88 | 89.90 | 85.03 | 80.81 | 66.37 | 52.20 | 43.32 | 70.01 | |||||||||||||
YRS | 35 | 38 | 37 | 34 | 34 | 39 | 39 | 39 | 38 | 36 | 30 | 21 | 4 |