YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1955 | ----- | z | 45.30 | r | 58.74 | 63.57 | 72.65 | 86.42 | f | 89.32 | c | 86.45 | 84.17 | 75.10 | 58.38 | a | 54.10 | 71.39 | c | |||||||
1956 | 54.71 | 50.61 | a | 61.90 | 65.45 | a | 77.23 | 88.70 | 89.74 | 88.84 | 87.73 | 69.00 | 57.57 | 52.32 | 70.32 | |||||||||||
1957 | 44.84 | 58.39 | 60.33 | a | 66.09 | h | 70.61 | 88.77 | 92.81 | 87.74 | 85.57 | 64.45 | b | 51.50 | 53.19 | 68.93 | a | |||||||||
1958 | 51.32 | 55.64 | 50.47 | a | 65.20 | 80.10 | 85.69 | a | 91.39 | 92.06 | m | 82.70 | 73.94 | 57.28 | a | 57.74 | 68.31 | a | ||||||||
1959 | 53.48 | 48.71 | 61.95 | l | 72.47 | 74.35 | 90.23 | 93.87 | 88.55 | 80.70 | 74.30 | a | 59.43 | 50.17 | a | 71.48 | a | |||||||||
1960 | 43.23 | 48.69 | 63.47 | a | 70.00 | 76.87 | ----- | z | ----- | z | ----- | z | ----- | z | 69.22 | m | 58.32 | b | 49.39 | m | 60.10 | f | ||||
1961 | 52.64 | f | 57.42 | i | 62.06 | m | 68.95 | k | 77.05 | i | 80.38 | v | ----- | z | 87.67 | m | 80.69 | a | 70.52 | b | 58.29 | b | 47.22 | d | 64.18 | h |
1962 | 50.77 | 51.92 | c | 56.21 | b | 74.50 | d | 74.00 | d | 87.89 | c | 92.15 | k | 94.28 | m | ----- | z | ----- | z | 60.00 | q | 55.63 | a | 64.42 | e | |
1963 | 50.32 | 62.14 | 59.32 | 63.40 | 79.90 | 81.67 | c | 92.39 | 89.83 | a | 86.50 | 75.39 | 66.09 | h | 54.00 | 72.26 | a | |||||||||
1964 | 49.13 | 53.32 | j | 59.70 | u | 65.57 | 74.77 | 85.03 | 93.65 | 90.87 | a | 83.93 | 79.55 | 55.29 | b | 53.06 | 73.08 | b | ||||||||
1965 | 54.07 | a | 57.21 | 57.29 | 65.89 | b | 74.07 | b | 86.23 | 91.90 | 91.26 | 83.17 | ----- | z | ----- | z | ----- | z | 73.45 | c | ||||||
1966 | ----- | z | ----- | z | 65.70 | d | 70.37 | 80.27 | a | 83.83 | ----- | z | ----- | z | ----- | z | 70.65 | 61.66 | a | 50.47 | a | 68.99 | e | |||
1967 | 52.90 | 59.52 | a | 63.65 | 61.83 | a | 81.86 | c | 85.11 | c | 102.06 | 100.10 | 89.87 | 83.94 | 69.19 | c | 44.81 | d | 74.57 | |||||||
1968 | 47.38 | b | 49.57 | a | 54.43 | a | 65.41 | c | 72.73 | a | 97.30 | 99.94 | 86.40 | a | 85.70 | 70.27 | a | 66.70 | 49.45 | 70.44 | ||||||
1969 | 53.27 | a | 49.07 | a | 58.03 | 68.52 | a | 79.32 | 87.20 | 94.32 | 92.61 | 85.38 | a | 67.97 | 58.73 | 54.26 | 70.72 | |||||||||
1970 | 52.77 | 58.21 | 58.87 | 61.93 | 77.39 | 87.17 | a | 92.35 | 90.68 | 82.60 | 69.58 | 62.83 | 48.81 | 70.27 | ||||||||||||
1971 | 53.10 | 55.25 | 62.65 | 66.83 | 71.06 | 84.57 | 93.13 | 89.48 | 83.13 | 65.81 | 56.93 | 43.35 | 68.77 | |||||||||||||
1972 | 50.45 | 58.69 | 69.00 | 66.72 | e | 76.20 | k | 84.12 | m | 92.95 | l | 90.71 | n | 77.92 | q | 66.86 | j | 45.91 | h | 40.71 | 57.11 | g | ||||
1973 | ----- | z | ----- | z | 46.13 | 62.57 | 77.83 | a | 84.77 | 92.23 | 89.19 | 81.20 | 70.90 | 53.70 | 50.97 | 70.95 | b | |||||||||
1974 | 41.26 | 49.50 | 58.35 | 62.33 | 76.81 | 90.97 | 90.26 | 90.39 | 87.23 | 72.23 | 56.07 | b | 46.19 | 68.47 | ||||||||||||
1975 | 47.50 | c | 48.54 | 51.74 | 51.70 | 68.96 | h | 82.40 | e | 89.34 | b | 86.67 | d | 82.25 | r | 71.24 | j | 51.53 | o | 56.18 | c | 64.26 | d | |||
1976 | 56.32 | 56.21 | 57.42 | 64.63 | 79.81 | 85.95 | k | 90.94 | 86.44 | d | 80.50 | d | 70.30 | d | 64.68 | b | 55.23 | 69.32 | a | |||||||
1977 | 48.74 | 60.29 | 53.76 | f | 70.14 | a | 65.74 | 88.43 | 91.90 | 89.87 | 81.47 | 76.45 | 64.17 | 56.68 | 72.17 | a | ||||||||||
1978 | 48.58 | 53.18 | 60.23 | 61.70 | 74.41 | d | 87.17 | a | 92.38 | e | 90.77 | 81.77 | 79.03 | 56.00 | 45.48 | j | 71.38 | a | ||||||||
1979 | 44.17 | b | 50.71 | 57.68 | 67.50 | b | 77.00 | 86.83 | 92.13 | 86.19 | 89.83 | 76.10 | b | 57.17 | a | ----- | z | 71.39 | a | |||||||
1980 | 50.68 | 56.21 | a | 55.17 | a | 66.20 | 68.61 | 84.27 | 93.31 | e | 89.84 | 85.83 | a | 75.55 | 64.07 | 58.40 | a | 70.68 | ||||||||
1981 | 55.68 | 56.72 | c | 55.97 | 71.00 | 76.15 | e | ----- | z | ----- | z | ----- | z | ----- | z | 68.74 | 63.63 | 57.39 | 63.16 | d | ||||||
1982 | 48.16 | 53.18 | 55.13 | 63.60 | e | ----- | z | ----- | z | ----- | z | 88.33 | g | ----- | z | 68.74 | 54.40 | 47.84 | 55.86 | e | ||||||
1983 | 53.17 | a | 52.59 | a | 56.81 | 58.97 | 76.65 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.26 | k | 52.45 | 58.44 | f | ||||
1984 | 53.77 | 56.31 | 63.65 | 66.14 | b | 83.48 | 85.10 | 89.83 | b | 89.65 | 86.65 | g | 66.81 | 56.60 | 45.13 | 68.77 | a | |||||||||
1985 | 47.33 | d | 52.88 | d | 55.16 | 71.59 | c | 80.10 | 92.88 | d | 94.65 | e | 93.13 | 78.53 | 73.83 | s | 50.44 | l | 53.45 | i | 74.03 | c | ||||
1986 | 58.77 | i | 58.33 | j | 65.32 | c | 67.84 | e | 78.26 | h | 90.62 | i | 87.26 | l | 93.95 | l | 79.71 | f | 71.30 | h | 64.76 | m | 52.78 | h | 66.58 | j |
1987 | 49.70 | k | 53.75 | h | 57.52 | h | 75.95 | j | 75.22 | h | 90.27 | o | 91.31 | o | 91.27 | i | 86.90 | j | 79.05 | k | 57.59 | m | 47.36 | i | ----- | z |
1988 | 51.56 | m | 57.95 | j | 62.35 | h | 67.73 | h | 78.75 | k | 89.50 | h | 95.41 | n | 91.39 | m | 82.84 | k | 83.65 | k | 63.37 | k | 51.86 | j | ----- | z |
1989 | 48.95 | k | 52.50 | j | 68.17 | h | 81.10 | j | 76.91 | i | 86.91 | h | 99.84 | l | 92.45 | i | 89.20 | j | 79.35 | k | 64.53 | k | 56.74 | l | ----- | z |
1990 | 50.89 | m | 49.60 | h | 63.00 | i | 70.95 | j | 75.27 | i | 88.39 | g | 91.50 | i | 91.33 | j | 85.26 | k | 78.43 | h | 60.68 | k | 48.50 | k | ----- | z |
1991 | 50.65 | h | 64.06 | k | 50.74 | h | 66.87 | g | 73.55 | k | 84.28 | l | 92.71 | g | 90.38 | j | 87.32 | k | 74.86 | i | 64.63 | k | 53.00 | j | ----- | z |
1992 | 51.36 | f | 54.88 | m | 57.38 | g | 73.86 | h | 82.29 | n | 85.25 | j | 89.00 | l | 92.00 | k | 89.42 | k | 76.81 | j | 58.45 | j | 46.33 | j | ----- | z |
1993 | 48.91 | i | 49.15 | h | 65.57 | h | 70.00 | j | 80.05 | l | 85.79 | k | 90.91 | i | 92.71 | j | 87.42 | k | 74.37 | l | 61.32 | k | 52.77 | i | ----- | z |
1994 | 55.86 | j | 52.47 | i | 66.59 | i | 70.57 | i | 77.00 | i | 93.32 | h | 94.95 | i | 94.48 | f | 86.50 | j | 70.95 | k | 54.22 | l | 51.40 | k | ----- | z |
1995 | 49.14 | j | 61.83 | j | 58.50 | i | 66.71 | i | 73.15 | k | 83.07 | c | 94.57 | j | 93.43 | h | 89.05 | k | 79.50 | m | 69.28 | l | 56.80 | k | 83.07 | k |
1996 | 56.22 | h | 57.67 | h | 64.26 | l | 73.36 | h | 80.05 | k | 91.52 | i | 96.73 | i | 96.52 | j | 84.52 | i | 73.25 | k | 63.77 | q | 54.42 | l | ----- | z |
1997 | 50.84 | l | 56.60 | m | 71.95 | l | 70.58 | k | 87.71 | n | 86.20 | j | 93.40 | k | ----- | z | 82.45 | h | 74.17 | m | 66.86 | p | 52.14 | i | ----- | z |
1998 | 54.11 | m | 48.31 | l | 69.14 | i | 63.62 | i | 67.33 | j | 82.78 | l | 95.32 | i | 95.90 | j | 83.33 | l | 70.00 | k | 61.06 | n | 52.00 | m | ----- | z |
1999 | 55.88 | n | 57.44 | l | 62.22 | h | 58.30 | j | 74.53 | l | 84.89 | l | 85.94 | m | 88.22 | m | 83.28 | l | 78.72 | m | 68.62 | n | 53.68 | l | ----- | z |
2000 | 54.31 | o | 54.26 | j | 59.23 | i | 73.50 | l | 80.37 | l | 89.36 | s | 93.44 | m | 89.62 | j | 85.05 | j | 68.84 | l | 54.41 | m | 55.33 | p | ----- | z |
2001 | 48.00 | k | 47.94 | k | 63.55 | k | 66.71 | m | 83.71 | j | 89.78 | l | 89.88 | o | 91.71 | n | 88.65 | m | 78.15 | k | 60.14 | p | 51.29 | q | ----- | z |
2002 | 51.65 | k | 57.47 | m | 60.89 | l | 74.15 | q | 76.58 | l | 91.10 | j | 94.40 | p | 91.50 | k | 84.35 | j | 69.14 | j | 59.94 | m | 50.79 | l | ----- | z |
2003 | 59.58 | l | 51.12 | k | 59.89 | l | 60.59 | a | 77.29 | 87.70 | 94.32 | 90.03 | 86.30 | 80.50 | a | 52.47 | 49.45 | 75.41 | c | |||||||
2004 | 49.16 | 48.41 | 66.58 | 66.67 | 76.26 | 86.70 | 90.55 | 88.16 | 80.30 | 68.23 | 52.83 | 49.52 | 68.61 | |||||||||||||
2005 | 49.06 | 48.93 | a | 55.93 | b | 62.73 | 76.13 | 82.66 | a | 94.26 | 87.58 | 82.03 | a | 70.65 | 58.70 | 51.04 | d | 68.31 | ||||||||
2006 | 51.13 | a | 54.96 | 53.40 | a | 64.23 | 80.13 | ----- | z | ----- | z | ----- | z | ----- | z | 71.60 | k | 66.28 | l | 55.00 | g | 60.77 | g | |||
2007 | 53.54 | g | 57.47 | m | 67.85 | k | 73.33 | l | 75.71 | x | 89.62 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 50.22 | 53.87 | 58.54 | 65.52 | 76.24 | 86.75 | 92.81 | 89.63 | 83.87 | 72.39 | 58.76 | 51.23 | 70.12 | |||||||||||||
S.D. | 3.71 | 4.10 | 5.01 | 4.35 | 3.91 | 3.40 | 2.91 | 2.90 | 3.03 | 4.80 | 4.50 | 4.54 | 1.85 | |||||||||||||
SKEW | -0.54 | 0.18 | -0.08 | -0.56 | -0.64 | 1.13 | 1.65 | 1.82 | 0.34 | 0.57 | 0.51 | -0.39 | 1.35 | |||||||||||||
MAX | 56.32 | 62.14 | 69.00 | 74.50 | 83.48 | 97.30 | 102.06 | 100.10 | 89.87 | 83.94 | 69.19 | 58.40 | 74.57 | |||||||||||||
MIN | 41.26 | 48.41 | 46.13 | 51.70 | 65.74 | 81.67 | 89.32 | 86.19 | 78.53 | 64.45 | 51.50 | 40.71 | 68.31 | |||||||||||||
YRS | 30 | 29 | 31 | 34 | 31 | 27 | 26 | 25 | 25 | 27 | 27 | 29 | 10 |