YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | 52.78 | a | 65.32 | b | 71.12 | a | 65.57 | a | 62.08 | f | 50.18 | a | 40.27 | 32.92 | 54.02 | e | ||
1960 | 26.36 | b | 28.19 | 43.55 | 48.40 | a | 54.44 | 67.45 | b | 71.44 | 68.27 | a | 63.13 | 47.89 | 41.11 | b | 29.23 | 49.12 | ||||||||
1961 | 31.03 | b | 35.93 | 39.19 | 47.33 | 53.98 | 67.52 | 70.37 | 65.66 | 57.13 | 48.53 | 36.27 | 29.92 | 48.57 | ||||||||||||
1962 | 28.80 | a | 34.73 | 33.29 | 50.88 | 52.15 | 61.75 | 68.53 | 68.35 | 61.27 | 50.47 | 44.64 | l | 33.89 | 49.46 | a | ||||||||||
1963 | 28.02 | 39.98 | 38.52 | 45.18 | 56.77 | 62.50 | a | 71.87 | 65.02 | 61.38 | b | 55.42 | m | 35.83 | r | 32.16 | 50.14 | b | ||||||||
1964 | 28.10 | 29.43 | 33.95 | 43.32 | 54.06 | 60.68 | 67.55 | b | 62.94 | 58.14 | b | 54.76 | 34.40 | a | 34.02 | a | 46.78 | |||||||||
1965 | 33.87 | 31.46 | 36.37 | 43.60 | 51.06 | 57.98 | 67.26 | 66.40 | 57.88 | 53.11 | 43.83 | 33.97 | 48.07 | |||||||||||||
1966 | 28.23 | 28.88 | 40.90 | 48.82 | 58.44 | 64.70 | 70.45 | 68.02 | 61.08 | 50.55 | 43.27 | 31.94 | 49.60 | |||||||||||||
1967 | 32.08 | 36.98 | 43.40 | 43.43 | 52.76 | 60.67 | 69.82 | a | 66.16 | 61.32 | 54.63 | 44.12 | 26.56 | 49.33 | ||||||||||||
1968 | 28.56 | 37.50 | 38.94 | 43.02 | 53.44 | 65.35 | 68.23 | 60.94 | d | 61.00 | 51.71 | 39.38 | m | 31.78 | f | 50.87 | b | |||||||||
1969 | 35.88 | j | 32.58 | c | 34.74 | 47.40 | 55.64 | b | 62.42 | 70.02 | a | 69.94 | f | 62.46 | e | 47.91 | d | 37.94 | m | 32.74 | n | 51.65 | d | |||
1970 | 30.59 | i | 39.14 | j | 37.12 | c | 41.11 | b | 56.17 | a | 63.97 | 70.06 | 68.47 | 58.81 | d | 45.80 | d | 42.40 | 33.95 | a | 51.79 | b | ||||
1971 | 33.59 | c | 34.98 | 40.74 | b | 44.76 | e | 49.16 | 62.95 | 71.21 | 66.45 | 59.64 | h | 44.65 | 39.75 | l | 29.69 | m | 49.83 | c | ||||||
1972 | 35.68 | f | 37.93 | a | ----- | z | 47.15 | c | 54.95 | b | 62.78 | 72.35 | 71.02 | d | 60.98 | a | 49.79 | g | 35.08 | q | 28.37 | 54.44 | d | |||
1973 | 27.88 | a | 33.20 | a | 33.08 | a | 41.46 | e | 55.10 | a | 64.10 | a | 69.92 | ----- | z | ----- | z | 51.36 | b | 40.52 | b | 33.84 | f | 46.29 | c | |
1974 | 27.10 | f | 34.27 | d | 47.52 | k | 48.40 | ----- | z | 69.07 | 68.20 | a | 68.21 | 60.47 | a | ----- | z | ----- | z | 32.78 | m | 58.10 | f | |||
1975 | 33.37 | d | 34.00 | a | 37.37 | e | 41.52 | d | 50.94 | f | 61.07 | h | 67.67 | d | 66.53 | a | 59.23 | d | ----- | z | ----- | z | ----- | z | 48.53 | e |
1976 | ----- | z | ----- | z | ----- | z | 44.02 | a | 53.90 | 61.90 | 66.23 | 64.82 | 58.65 | 47.92 | 40.52 | a | 32.56 | g | 54.74 | d | ||||||
1977 | 28.77 | 35.89 | 35.73 | c | 45.69 | c | 51.26 | f | 64.72 | 68.38 | b | 66.83 | k | 61.69 | a | 51.55 | 42.37 | g | 40.98 | i | 49.05 | d | ||||
1978 | 33.98 | a | 32.88 | d | 42.52 | d | 45.31 | d | 51.90 | a | 64.15 | 69.95 | 66.16 | b | 59.41 | c | 52.70 | a | 39.09 | a | 27.79 | c | 48.82 | |||
1979 | 26.97 | b | 32.22 | j | 36.39 | h | 45.61 | c | 51.63 | 61.20 | 68.45 | 65.66 | 63.30 | 52.39 | 33.88 | d | 33.87 | 50.30 | b | |||||||
1980 | 33.39 | c | 36.41 | 36.18 | 44.52 | e | 49.03 | a | 64.52 | 69.68 | a | 67.10 | 61.28 | 49.60 | 42.58 | d | 38.76 | f | 50.39 | a | ||||||
1981 | 35.32 | f | 38.64 | 39.03 | b | 50.77 | b | 53.69 | 68.16 | a | 69.31 | b | 67.71 | b | 59.98 | 49.43 | c | 42.83 | d | 36.59 | d | 52.38 | a | |||
1982 | 30.34 | b | 34.61 | 38.98 | 46.02 | 51.82 | 59.90 | a | 66.89 | 66.58 | 60.93 | 47.15 | a | 38.28 | a | 30.25 | c | 47.65 | ||||||||
1983 | 31.80 | a | 34.15 | e | 38.26 | b | 40.02 | a | 52.24 | 60.29 | d | 68.85 | 65.69 | 64.03 | 50.03 | a | 38.13 | g | 33.82 | i | 50.54 | b | ||||
1984 | 30.12 | g | 32.34 | g | 40.35 | a | 44.36 | b | 61.53 | 62.57 | 67.88 | c | 64.83 | e | 61.23 | b | 45.54 | f | ----- | z | ----- | z | 57.53 | e | ||
1985 | 29.73 | e | 31.18 | f | 38.29 | e | 48.19 | c | 55.23 | 66.04 | c | 68.95 | 67.57 | a | 55.70 | c | 49.91 | b | 37.46 | f | 30.74 | f | 53.29 | c | ||
1986 | 36.98 | c | 34.02 | h | 42.50 | d | 47.57 | a | 54.88 | b | 64.05 | 66.63 | 69.31 | r | 54.30 | j | 46.58 | e | 39.17 | a | 31.02 | a | 47.71 | c | ||
1987 | 27.65 | 31.48 | a | 33.38 | b | 47.70 | 51.27 | 63.65 | 66.26 | 64.08 | a | 58.23 | s | 52.63 | d | 38.07 | h | 27.61 | h | 48.68 | c | |||||
1988 | 27.48 | e | 34.93 | a | 38.77 | 44.80 | c | 52.40 | 63.62 | d | 69.81 | 65.77 | g | 55.82 | h | 53.73 | 39.15 | 27.67 | b | 45.24 | b | |||||
1989 | 24.93 | b | 34.22 | a | 44.50 | a | 53.35 | 57.45 | b | 63.68 | 69.91 | b | 64.98 | d | 60.19 | c | 49.12 | b | 38.29 | f | 31.08 | l | 52.23 | b | ||
1990 | 30.68 | k | 29.85 | h | 40.55 | k | 47.04 | e | 53.23 | 66.97 | 68.31 | d | 65.21 | b | 61.63 | d | 49.67 | d | 37.97 | a | 25.34 | b | 52.82 | c | ||
1991 | 28.22 | a | 36.98 | e | 33.02 | h | 43.95 | 51.77 | 59.20 | 68.52 | 65.73 | 60.82 | b | 54.00 | f | 38.48 | j | 30.57 | i | 51.90 | d | |||||
1992 | 23.77 | e | 33.85 | f | 39.26 | d | 49.79 | b | 53.85 | d | 60.93 | a | 66.45 | 64.85 | 60.34 | a | 52.48 | a | 33.21 | a | 27.44 | g | 50.49 | b | ||
1993 | 33.09 | c | 33.95 | 40.41 | c | 46.21 | a | 55.08 | a | 62.57 | a | 67.57 | a | 65.60 | 59.50 | b | 48.44 | 36.32 | h | 29.98 | i | 51.24 | b | |||
1994 | 31.56 | e | 29.74 | c | 40.02 | 45.95 | 52.68 | a | 66.95 | a | 69.74 | b | 69.27 | a | 60.85 | c | 47.34 | c | 35.79 | d | 33.57 | b | 48.62 | |||
1995 | 30.71 | 38.66 | 40.84 | 43.37 | 50.32 | 60.78 | 69.28 | a | 68.65 | a | 62.08 | 51.25 | c | 44.23 | 33.45 | c | 49.47 | |||||||||
1996 | 35.06 | 38.39 | a | 39.05 | c | 47.65 | c | 59.53 | b | 66.71 | a | 70.73 | a | 67.71 | 57.28 | a | 48.47 | 40.14 | p | 35.97 | p | 53.06 | b | |||
1997 | 26.75 | q | 31.71 | k | 41.62 | n | 44.86 | i | 57.68 | i | 61.46 | c | 68.38 | c | 66.25 | i | 62.33 | l | 47.85 | h | ----- | z | 30.53 | n | 64.92 | j |
1998 | ----- | z | 29.67 | s | 41.14 | t | 41.17 | r | 51.89 | m | 60.83 | g | 69.85 | k | 67.67 | h | 61.98 | i | 45.86 | q | 41.17 | r | 30.74 | l | ----- | z |
1999 | 35.86 | m | 36.85 | r | 44.92 | s | 43.67 | l | 53.28 | h | 62.47 | a | 67.43 | h | 64.50 | k | 59.25 | p | 51.53 | l | 44.60 | o | 30.00 | p | 62.47 | k |
2000 | 32.88 | w | 38.44 | t | 35.33 | y | 50.04 | g | 59.12 | e | 66.97 | 70.50 | 67.45 | i | 62.27 | 49.11 | m | 32.38 | n | 35.21 | s | 64.71 | h | |||
2001 | 27.82 | n | 30.12 | k | 40.38 | k | 45.38 | i | 58.93 | d | 65.38 | a | 68.38 | f | 65.85 | k | 63.89 | k | 54.12 | r | 38.04 | q | ----- | z | 62.15 | j |
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 | 35.06 | t | 50.81 | w | 46.17 | o | 56.95 | l | ----- | z | 67.98 | 64.11 | 58.05 | 46.90 | ----- | z | ----- | z | 59.26 | h | ||||
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.15 | 34.52 | 38.69 | 45.88 | 54.12 | 63.61 | 69.04 | 66.30 | 60.40 | 49.96 | 39.66 | 31.32 | 48.60 | |||||||||||||
S.D. | 3.18 | 3.09 | 3.07 | 2.92 | 2.90 | 2.62 | 1.56 | 1.95 | 1.88 | 2.55 | 3.44 | 3.04 | 0.89 | |||||||||||||
SKEW | 0.13 | -0.33 | -0.16 | 0.26 | 0.60 | 0.09 | 0.03 | -0.17 | -0.46 | 0.02 | -0.41 | -0.37 | -0.82 | |||||||||||||
MAX | 36.98 | 39.98 | 44.50 | 53.35 | 61.53 | 69.07 | 72.35 | 71.02 | 64.03 | 54.76 | 44.23 | 36.59 | 49.60 | |||||||||||||
MIN | 23.77 | 28.19 | 33.08 | 40.02 | 49.03 | 57.98 | 66.23 | 60.94 | 55.70 | 44.65 | 33.21 | 25.34 | 46.78 | |||||||||||||
YRS | 29 | 29 | 31 | 37 | 37 | 41 | 41 | 34 | 34 | 33 | 21 | 20 | 10 |