YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.18 | p | 27.86 | c | 27.86 | k |
1956 | 24.43 | a | 21.17 | c | 34.85 | h | 47.62 | e | 57.90 | j | 58.40 | d | 71.90 | e | 68.40 | j | 61.52 | g | 44.26 | h | 34.40 | a | 28.33 | j | 42.99 | f |
1957 | 14.82 | 26.93 | ----- | z | 44.58 | 53.68 | a | 60.73 | 68.32 | 68.09 | c | 65.97 | n | 47.15 | k | 32.67 | l | 29.43 | q | 48.17 | e | |||||
1958 | 24.41 | c | 33.73 | b | 34.11 | 42.43 | 61.28 | b | ----- | z | ----- | z | ----- | z | 58.69 | a | 52.61 | 34.96 | e | 32.97 | 41.69 | c | ||||
1959 | 28.32 | a | 32.66 | c | 38.02 | h | 47.46 | f | 49.58 | g | 64.96 | f | 72.28 | d | 67.98 | d | 56.44 | c | 46.84 | f | 33.14 | e | 26.34 | f | 48.47 | f |
1960 | 17.64 | j | 23.50 | m | 36.13 | d | 42.92 | f | 50.46 | c | 63.64 | i | 75.97 | b | 66.78 | d | 63.37 | g | 51.84 | o | 34.09 | m | 26.71 | l | 57.33 | h |
1961 | 26.93 | i | 35.59 | k | 36.06 | n | 44.07 | g | 52.57 | p | 68.78 | e | 74.45 | i | 75.94 | e | 54.79 | a | 46.38 | b | 34.30 | g | 24.46 | q | 61.47 | h |
1962 | 15.50 | m | 26.15 | k | 34.00 | p | 50.84 | k | 50.92 | s | 61.23 | d | 67.72 | b | 67.12 | c | 62.27 | f | 48.23 | c | 38.43 | h | 30.12 | n | 61.08 | h |
1963 | 21.65 | h | 40.35 | b | 38.52 | i | 40.54 | d | 55.77 | i | 60.50 | m | 66.16 | f | 70.11 | 64.86 | i | 50.87 | h | 35.96 | g | 23.52 | j | 50.33 | i | |
1964 | 22.35 | k | 25.04 | o | 31.67 | v | 43.04 | r | 54.05 | t | ----- | z | 69.40 | a | 64.30 | d | 56.56 | e | 50.21 | n | 32.43 | p | 28.91 | t | 63.42 | i |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.08 | k | 68.14 | m | 61.44 | n | 53.00 | d | 51.56 | g | 39.45 | h | 26.31 | j | 53.00 | k |
1966 | 28.85 | e | 28.62 | l | 39.02 | g | 46.06 | f | 55.86 | i | 59.19 | c | 69.15 | e | 68.98 | g | 64.22 | a | 47.48 | j | 38.59 | n | 27.37 | h | 55.35 | h |
1967 | 28.52 | k | 34.35 | h | 37.44 | m | 40.95 | t | 56.63 | p | 60.58 | e | 73.35 | e | 75.36 | b | 66.65 | f | 45.74 | b | 37.09 | a | 24.00 | 52.69 | f | |
1968 | 22.61 | c | 34.81 | 40.59 | b | 42.10 | f | 52.88 | k | 61.70 | b | 72.45 | 64.44 | d | 58.29 | a | 44.83 | b | ----- | z | ----- | z | 49.96 | d | ||
1969 | 21.31 | m | 23.61 | n | 33.42 | l | 44.91 | m | 56.82 | c | 60.15 | d | 68.57 | b | 68.46 | h | 59.06 | e | 42.81 | b | 35.65 | c | 30.57 | j | 53.84 | f |
1970 | 25.83 | j | 36.75 | f | 36.55 | b | 39.15 | m | 52.29 | g | 62.74 | c | 70.44 | f | 72.32 | a | 53.36 | h | 43.87 | d | 36.33 | g | 23.52 | f | 53.87 | h |
1971 | 27.75 | e | 32.23 | d | 32.00 | i | 44.27 | h | 54.40 | 56.82 | 70.25 | c | 75.67 | e | 53.48 | b | 45.25 | g | 34.67 | g | 21.82 | f | 52.94 | e | ||
1972 | 21.18 | i | 26.69 | c | 40.28 | d | 40.86 | b | 54.48 | d | 61.55 | b | 68.98 | c | 72.17 | d | 55.48 | g | 48.50 | l | ----- | z | ----- | z | 52.14 | e |
1973 | 22.13 | p | 31.68 | q | 38.44 | g | 45.50 | e | 54.83 | k | 61.84 | e | 72.48 | d | 70.48 | d | 58.88 | j | 47.67 | g | 33.38 | i | 29.53 | o | 62.58 | h |
1974 | 15.03 | l | 30.94 | j | 36.44 | m | 43.90 | f | 50.48 | d | 66.82 | 68.79 | 69.22 | d | 63.44 | f | 50.07 | d | 35.42 | j | 25.59 | d | 55.16 | f | ||
1975 | 23.00 | e | 26.74 | e | 32.09 | b | 37.63 | c | 49.68 | c | 58.07 | b | 71.88 | c | 64.47 | a | 59.98 | e | 46.54 | f | 33.60 | f | 29.19 | j | 47.06 | c |
1976 | 26.62 | k | 26.50 | j | 31.10 | k | ----- | z | 54.68 | i | 57.80 | b | 70.53 | b | 64.91 | o | 60.65 | m | 47.70 | i | 37.33 | o | 27.53 | m | 64.17 | j |
1977 | 18.71 | g | 33.29 | i | 35.38 | e | 50.38 | f | 46.96 | f | 65.86 | a | 68.59 | b | 70.56 | 57.02 | b | 48.56 | 34.59 | g | 31.64 | f | 57.66 | f | ||
1978 | 26.83 | e | 32.05 | f | 42.50 | e | 43.92 | d | 47.55 | c | 60.32 | e | 68.97 | b | 66.11 | 55.63 | c | 49.69 | b | 31.35 | d | 19.80 | a | 46.61 | a | |
1979 | 12.22 | h | 26.32 | n | 38.29 | c | 43.67 | c | 54.11 | c | 61.74 | g | 70.98 | 69.02 | d | 63.28 | 52.87 | d | 33.05 | b | 29.06 | e | 50.48 | c | ||
1980 | 23.90 | g | 31.98 | d | 37.34 | c | 47.72 | 53.23 | e | 55.95 | 68.80 | a | 64.87 | 58.85 | 47.43 | a | 34.98 | 29.56 | f | 50.12 | b | |||||
1981 | 29.40 | b | 28.68 | c | 40.18 | c | 45.33 | d | 50.73 | 57.57 | 67.08 | 72.79 | e | 60.48 | 44.62 | b | 37.62 | b | 29.71 | b | 47.01 | |||||
1982 | ----- | z | 26.30 | f | 37.02 | d | 40.23 | 50.07 | b | 61.12 | 65.79 | 69.27 | g | 57.35 | g | 45.06 | d | 29.42 | e | 24.08 | f | 46.96 | e | |||
1983 | 28.56 | g | 32.14 | g | 39.00 | d | 41.29 | a | 53.60 | a | 57.50 | 64.40 | b | 69.70 | a | 57.16 | a | 48.76 | b | 35.79 | b | 18.25 | i | 51.91 | c | |
1984 | 20.80 | d | 22.80 | f | 35.00 | l | 41.70 | e | 49.17 | b | 55.87 | 69.84 | 70.17 | a | 53.76 | e | 41.21 | c | 33.48 | f | 16.39 | h | 50.31 | d | ||
1985 | 18.02 | e | 21.55 | h | 29.90 | f | 48.66 | b | 54.16 | b | 61.42 | 73.83 | b | 63.59 | c | 48.14 | l | 42.90 | 22.43 | c | 11.66 | b | 44.07 | c | ||
1986 | 23.23 | i | 34.45 | g | 42.31 | g | 42.94 | e | 52.81 | e | 65.37 | 66.79 | s | 72.13 | 54.41 | g | 49.13 | 37.37 | d | 25.52 | h | 53.29 | f | |||
1987 | 19.60 | k | 31.25 | f | 38.60 | g | 51.45 | a | 56.84 | 63.70 | 67.18 | a | 68.42 | a | 63.92 | 54.12 | e | 36.56 | d | 26.66 | f | 57.77 | d | |||
1988 | 23.21 | e | 29.54 | e | 36.36 | j | 47.10 | a | 52.83 | a | 63.91 | a | 71.98 | b | 69.55 | c | 58.93 | a | 56.95 | a | 34.40 | e | 23.26 | b | 48.33 | a |
1989 | 19.27 | c | 17.16 | c | 35.07 | a | 48.36 | a | 51.03 | a | 62.79 | a | 70.73 | 64.98 | 59.34 | a | 48.28 | h | 35.33 | 29.40 | e | 44.86 | a | |||
1990 | 28.88 | c | 28.77 | 40.41 | b | 51.57 | a | 50.81 | b | 60.20 | c | 72.69 | 70.58 | 67.95 | a | 45.71 | 35.52 | a | 25.53 | n | 50.28 | a | ||||
1991 | 24.92 | m | 34.68 | 36.80 | a | 44.25 | b | 49.23 | 56.47 | a | 71.79 | 72.69 | d | 62.94 | n | 49.00 | b | 33.41 | a | 26.42 | 47.47 | b | ||||
1992 | 24.61 | 34.43 | a | 44.74 | 48.68 | 59.82 | a | 68.43 | h | 66.65 | 70.70 | a | 58.78 | 50.60 | 29.59 | a | 20.39 | 46.27 | a | |||||||
1993 | 16.11 | h | 16.84 | l | 33.47 | o | 42.38 | d | 55.12 | w | 55.97 | a | 59.73 | 64.28 | a | 60.35 | 49.56 | e | 28.05 | b | 25.83 | e | 48.27 | d | ||
1994 | 27.88 | f | 26.74 | e | 38.55 | c | 47.73 | f | 56.61 | c | 61.37 | 74.05 | a | 71.98 | 62.40 | o | ----- | z | ----- | z | 21.44 | w | 54.88 | f | ||
1995 | 25.31 | w | 38.59 | k | 32.10 | g | 43.10 | o | 50.28 | d | 57.76 | e | 68.28 | a | 65.52 | 62.60 | a | 44.47 | b | 35.97 | o | 26.79 | s | 58.15 | f | |
1996 | 26.68 | t | 28.81 | u | 37.33 | s | 45.08 | j | 47.35 | g | 57.20 | h | 70.15 | a | 65.97 | a | 55.60 | 48.65 | e | 36.22 | e | 25.82 | k | 55.32 | g | |
1997 | 26.27 | i | 30.94 | j | 38.63 | h | 42.33 | g | 54.89 | 58.03 | 64.11 | 67.36 | b | 60.02 | b | 46.11 | 36.30 | b | 25.29 | e | 51.51 | d | ||||
1998 | 27.37 | l | 30.72 | s | 39.61 | l | 43.75 | j | 51.92 | k | 55.57 | h | 71.32 | a | 69.33 | b | 63.80 | 45.65 | a | 35.27 | d | 23.00 | a | 51.39 | f | |
1999 | 30.30 | h | 21.00 | p | 39.96 | q | 42.48 | c | 49.26 | b | 57.83 | 66.14 | b | 68.43 | c | 57.73 | d | 46.69 | e | 38.96 | g | 25.73 | r | 55.51 | e | |
2000 | 25.97 | l | 32.39 | o | 36.78 | h | 47.93 | b | 52.83 | b | 61.66 | b | 66.62 | c | 69.21 | c | 56.10 | d | 46.66 | 28.34 | h | 24.74 | n | 57.29 | e | |
2001 | 21.74 | h | 25.89 | i | 40.20 | f | ----- | z | 55.77 | c | 59.72 | a | 68.66 | 71.60 | a | 61.90 | a | 47.36 | f | 37.09 | b | 21.93 | q | 59.12 | f | |
2002 | ----- | z | ----- | z | ----- | z | 45.78 | a | 51.40 | b | 61.77 | 71.78 | a | 63.40 | 59.65 | 44.66 | b | 34.10 | 30.57 | k | 54.07 | d | ||||
2003 | 29.44 | f | 32.64 | c | 41.36 | c | 42.96 | c | 51.86 | b | 62.57 | 74.95 | a | 71.10 | a | 61.38 | 51.40 | b | 30.79 | b | 30.11 | h | 52.10 | b | ||
2004 | 18.90 | j | 19.39 | f | 36.75 | c | 47.78 | c | 52.48 | a | 61.14 | a | 70.37 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.70 | g |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.07 | 30.00 | 38.16 | 44.83 | 52.89 | 60.57 | 69.71 | 68.99 | 59.02 | 47.66 | 33.84 | 24.95 | 47.01 | |||||||||||||
S.D. | 4.27 | 5.40 | 3.04 | 3.49 | 3.14 | 3.07 | 3.13 | 3.35 | 3.46 | 3.53 | 3.48 | 5.12 | 0.0 | |||||||||||||
SKEW | -0.57 | -0.55 | 0.16 | 0.11 | 0.74 | 0.53 | -0.63 | 0.13 | 0.38 | 0.56 | -1.60 | -0.98 | 0.00 | |||||||||||||
MAX | 29.40 | 40.35 | 44.74 | 51.57 | 61.28 | 68.78 | 75.97 | 75.94 | 67.95 | 56.95 | 37.62 | 32.97 | 47.01 | |||||||||||||
MIN | 14.82 | 17.16 | 32.09 | 37.63 | 47.55 | 55.87 | 59.73 | 63.40 | 53.00 | 41.21 | 22.43 | 11.66 | 47.01 | |||||||||||||
YRS | 16 | 18 | 20 | 28 | 32 | 39 | 43 | 41 | 32 | 32 | 26 | 15 | 1 |