YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1955 | ----- | z | 35.94 | j | 45.00 | n | 49.89 | l | 61.86 | i | 72.72 | e | 81.29 | c | 88.58 | e | 75.93 | 65.58 | 46.38 | d | 37.97 | a | 66.92 | e | ||
1956 | 39.13 | 34.50 | c | 44.75 | g | 58.40 | e | 66.19 | e | 75.47 | 85.76 | b | 83.19 | o | 78.48 | c | 64.06 | n | 46.18 | h | 43.48 | b | 60.18 | d | ||
1957 | 33.29 | 44.72 | c | 45.83 | b | 53.50 | h | 61.21 | g | 75.07 | c | 84.84 | 84.68 | 78.04 | d | 57.46 | g | 42.08 | f | 42.28 | f | 63.78 | e | |||
1958 | 39.39 | 44.93 | a | 40.73 | a | 51.70 | 74.97 | a | 73.34 | a | 82.62 | b | 87.48 | 77.97 | 61.27 | a | 51.83 | 46.32 | 61.05 | |||||||
1959 | 41.29 | 39.36 | 49.20 | a | 63.07 | 61.86 | c | 78.24 | a | 87.80 | a | 85.46 | c | 70.07 | a | 57.21 | b | 53.50 | 42.90 | a | 60.83 | |||||
1960 | 35.39 | 36.22 | b | 48.42 | 58.76 | a | 65.37 | a | 81.03 | 90.35 | 83.83 | a | 75.91 | h | 63.10 | a | 48.48 | a | 42.94 | 59.44 | a | |||||
1961 | 46.36 | f | 44.00 | 46.55 | 57.27 | 67.87 | a | 80.21 | b | 89.53 | a | 87.71 | ----- | z | 63.77 | 45.25 | f | 38.19 | 63.90 | c | ||||||
1962 | 36.77 | a | 41.00 | 42.87 | 63.86 | a | 62.33 | d | 75.13 | 83.90 | ----- | z | 75.86 | h | 68.23 | r | 50.46 | q | 49.52 | 56.92 | d | |||||
1963 | 39.54 | c | 50.00 | b | 45.07 | d | 48.38 | i | 65.70 | h | 66.46 | f | 83.42 | l | 86.50 | c | 78.65 | j | 67.46 | g | 48.44 | l | 42.60 | k | 55.28 | h |
1964 | 36.07 | b | 37.21 | a | 40.69 | b | 57.19 | n | 65.76 | b | 68.43 | 87.10 | 83.93 | a | 74.11 | b | 70.55 | b | 47.20 | e | 37.55 | 58.96 | a | |||
1965 | 38.68 | 43.00 | a | 45.38 | b | 55.15 | c | 61.00 | 71.33 | 83.82 | c | 79.22 | d | 68.71 | m | 71.23 | a | 52.93 | c | 39.26 | 58.27 | a | ||||
1966 | 36.48 | 36.62 | b | 48.19 | 58.83 | 73.73 | a | 75.57 | 87.65 | 85.42 | 77.87 | 64.06 | 49.20 | 35.17 | a | 60.73 | ||||||||||
1967 | 38.52 | 43.39 | 47.29 | 47.37 | 65.70 | a | 69.03 | 87.55 | 88.71 | 79.72 | e | 67.71 | 51.70 | 34.00 | b | 60.06 | ||||||||||
1968 | ----- | z | 47.67 | b | 50.63 | d | 52.57 | 64.77 | a | 75.71 | f | ----- | z | 74.37 | a | 73.93 | a | 64.00 | e | 43.89 | k | 35.07 | a | 57.87 | d | |
1969 | 38.16 | 37.30 | e | 42.83 | a | 58.88 | d | 72.21 | c | 72.14 | h | 85.34 | b | 89.59 | b | 78.67 | 54.35 | 49.92 | e | 39.34 | b | 58.78 | a | |||
1970 | 36.84 | 47.07 | a | 45.60 | a | 47.72 | a | 65.33 | a | 74.23 | 83.66 | b | 88.27 | a | 70.85 | d | 59.43 | a | 45.74 | c | 35.26 | 58.33 | ||||
1971 | 39.04 | c | 42.04 | a | 44.00 | b | 53.50 | b | 62.74 | d | 71.86 | b | 85.00 | a | 88.43 | a | 72.55 | a | 57.10 | 46.77 | h | 31.57 | a | 58.89 | a | |
1972 | 34.60 | a | 42.17 | 53.39 | 54.14 | b | 68.79 | b | 76.36 | b | 86.32 | c | 85.97 | b | 69.75 | b | 59.17 | a | 41.60 | 33.06 | 58.78 | |||||
1973 | 35.00 | 42.59 | a | 42.81 | 53.61 | b | ----- | z | ----- | z | 84.93 | a | ----- | z | 73.69 | a | 63.56 | f | 44.88 | f | ----- | z | 55.44 | f | ||
1974 | 36.14 | c | 40.54 | b | 47.67 | a | 55.70 | 66.97 | 82.80 | 86.00 | 83.55 | 80.23 | 63.90 | a | 50.00 | b | 37.88 | e | 60.95 | |||||||
1975 | 36.71 | g | 38.54 | 40.93 | b | 44.04 | d | 60.21 | g | 71.93 | 85.27 | a | 80.77 | 77.07 | 61.55 | b | 44.48 | c | 44.00 | b | 58.86 | b | ||||
1976 | 41.63 | a | 43.79 | 44.00 | c | 54.53 | 70.52 | 73.63 | 86.17 | a | ----- | z | 73.97 | 61.61 | ----- | z | 47.19 | 59.70 | b | |||||||
1977 | 39.48 | 47.67 | a | 42.52 | 62.33 | 56.93 | c | 79.59 | a | 84.73 | a | 82.65 | 74.73 | 68.23 | 49.50 | b | 43.89 | d | 61.02 | |||||||
1978 | 40.40 | f | 42.30 | e | 54.69 | e | 55.38 | n | 60.52 | h | 76.61 | g | 84.77 | 84.19 | e | 71.20 | 67.90 | a | 46.21 | a | 33.67 | a | 60.62 | d | ||
1979 | 31.93 | a | 38.79 | 48.10 | 55.10 | 64.33 | a | 77.83 | 85.19 | 82.27 | a | 82.00 | 65.35 | 43.63 | 44.67 | a | 59.93 | |||||||||
1980 | 37.80 | a | 46.07 | a | 43.59 | d | 57.00 | i | 61.00 | 71.03 | a | 85.30 | a | 81.43 | c | 74.57 | 65.37 | a | 51.04 | b | 47.48 | b | 60.43 | a | ||
1981 | 47.45 | 46.21 | 48.58 | 57.93 | a | 60.61 | 75.30 | 84.23 | a | 86.58 | 76.93 | 57.38 | g | 51.17 | 42.48 | f | 63.50 | b | ||||||||
1982 | 32.46 | c | 35.61 | j | 43.08 | f | 49.08 | f | 62.11 | d | 71.92 | d | 80.07 | d | 84.82 | c | 67.04 | c | 55.84 | f | 42.45 | a | 36.73 | a | 59.70 | d |
1983 | 41.68 | 40.70 | a | 45.11 | c | 48.07 | a | 60.21 | b | 69.92 | e | 80.15 | d | 82.07 | a | 74.58 | f | 63.04 | d | 44.46 | b | 33.23 | a | 55.33 | a | |
1984 | 34.80 | a | 39.52 | b | 44.04 | c | 46.96 | d | 62.04 | e | 69.38 | d | 82.31 | e | 83.00 | a | 74.84 | e | 52.70 | a | 45.54 | d | 34.61 | h | 57.74 | a |
1985 | 33.58 | e | 37.00 | a | 42.34 | b | 62.52 | e | 66.13 | h | 77.58 | d | 85.97 | a | 80.32 | f | 63.85 | d | 60.81 | d | 39.85 | c | 35.61 | 53.91 | b | |
1986 | 42.94 | 44.56 | a | 53.82 | c | 54.88 | f | 66.22 | d | 79.37 | c | 81.19 | d | 87.27 | e | 65.71 | f | 62.80 | f | 50.76 | e | 44.40 | a | 61.17 | c | |
1987 | 38.04 | d | 41.89 | a | 46.79 | b | 67.32 | e | 66.07 | b | 75.83 | a | 80.72 | f | 82.82 | c | 79.28 | e | 70.03 | b | 46.41 | a | 36.41 | d | 59.17 | a |
1988 | 37.90 | k | 44.12 | c | 46.78 | d | 59.91 | h | 66.27 | e | 77.80 | e | 86.26 | 85.62 | e | 75.12 | f | 74.04 | d | 40.92 | d | 35.79 | b | 61.95 | c | |
1989 | 34.12 | e | 37.24 | c | 47.52 | b | 60.32 | e | 63.38 | e | 75.56 | e | 87.72 | b | 81.27 | e | 73.19 | c | 59.54 | e | 49.61 | b | 42.47 | a | 59.33 | |
1990 | 39.58 | g | 38.04 | b | 50.15 | e | 63.80 | e | 61.35 | e | 73.60 | e | 84.67 | g | 83.93 | d | 79.43 | b | 67.09 | i | 48.92 | e | 33.74 | h | 62.40 | d |
1991 | 37.78 | d | 49.96 | c | 43.12 | g | 52.23 | h | 60.50 | g | 72.61 | b | 86.07 | a | 85.52 | d | 76.00 | e | 65.14 | b | 45.56 | e | 43.32 | c | 62.44 | c |
1992 | 44.07 | c | 48.41 | g | 56.68 | f | 64.23 | 74.23 | e | 73.40 | e | 81.74 | d | 87.48 | f | 75.76 | a | 65.17 | h | 43.00 | c | 34.82 | i | 65.20 | e | |
1993 | 32.82 | c | 36.88 | c | 53.72 | b | 53.38 | i | 67.21 | c | 67.71 | b | 73.19 | 76.68 | 73.26 | g | 65.17 | g | 43.04 | d | 37.73 | a | 54.33 | c | ||
1994 | 42.39 | 39.27 | b | 54.18 | c | 59.54 | b | 66.41 | b | 76.33 | 87.89 | c | 87.53 | a | 81.83 | g | 65.40 | f | 45.20 | e | 41.15 | d | 59.99 | b | ||
1995 | 43.31 | b | 54.50 | b | 51.21 | c | 58.67 | c | 63.23 | e | 71.72 | e | 83.88 | e | 85.14 | b | 75.09 | g | 66.08 | g | 55.29 | m | 44.70 | k | 63.96 | d |
1996 | 40.00 | d | 46.33 | e | 50.50 | e | 58.44 | c | 61.73 | e | 77.66 | a | 86.82 | c | 86.74 | h | 72.70 | j | 63.95 | j | 50.65 | g | 40.06 | m | 60.21 | e |
1997 | 37.89 | l | 40.07 | m | 52.45 | k | 57.95 | k | 70.92 | s | 74.07 | o | 83.60 | k | 86.10 | j | 79.15 | j | 64.85 | k | 53.40 | o | 40.63 | l | ----- | z |
1998 | 43.85 | r | ----- | z | 46.00 | i | 53.60 | j | 57.44 | m | 65.86 | i | 86.95 | j | 87.65 | n | 76.10 | i | 59.26 | l | 45.65 | m | 40.86 | i | ----- | z |
1999 | 41.50 | m | 39.15 | o | 47.91 | i | 50.95 | k | 61.28 | m | 72.11 | l | 85.71 | g | 84.75 | o | 74.29 | p | 71.00 | u | 64.00 | w | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | 60.00 | y | 62.83 | y | 75.50 | v | 87.33 | y | 90.40 | u | 74.33 | x | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | 39.20 | r | 55.82 | t | 55.67 | r | 73.36 | q | 68.60 | y | 81.00 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.20 | t | 87.68 | c | 81.81 | e | 75.40 | e | 61.59 | i | 56.00 | y | ----- | z | 81.63 | i |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 78.13 | o | 89.83 | h | 84.40 | k | 75.50 | j | 72.50 | i | 43.75 | v | 36.67 | y | ----- | z |
2004 | 36.91 | t | 38.58 | q | 52.38 | w | 61.36 | s | 69.00 | v | ----- | z | ----- | z | ----- | z | ----- | z | 60.30 | u | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.02 | 42.25 | 46.91 | 56.59 | 65.28 | 74.61 | 84.87 | 84.36 | 75.07 | 63.49 | 47.10 | 39.61 | 60.10 | |||||||||||||
S.D. | 3.64 | 4.48 | 3.98 | 5.77 | 4.23 | 3.66 | 3.06 | 3.36 | 4.02 | 5.05 | 3.72 | 4.84 | 0.99 | |||||||||||||
SKEW | 0.39 | 0.49 | 0.36 | -0.35 | 0.63 | 0.14 | -1.43 | -0.89 | -0.76 | -0.06 | -0.12 | 0.25 | -0.65 | |||||||||||||
MAX | 47.45 | 54.50 | 54.69 | 67.32 | 74.97 | 82.80 | 90.35 | 89.59 | 82.00 | 74.04 | 53.50 | 49.52 | 61.05 | |||||||||||||
MIN | 31.93 | 34.50 | 40.69 | 44.04 | 56.93 | 67.71 | 73.19 | 74.37 | 63.85 | 52.70 | 39.85 | 31.57 | 58.33 | |||||||||||||
YRS | 35 | 39 | 37 | 31 | 34 | 37 | 39 | 36 | 31 | 28 | 31 | 33 | 10 |