YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | 48.84 | 55.37 | 56.26 | 58.29 | 52.27 | 44.06 | 37.42 | d | 31.23 | 47.97 | d | |||||||
1974 | 36.00 | b | 31.89 | a | 42.39 | 40.83 | a | 50.23 | 55.20 | 60.80 | a | 58.48 | 57.13 | 49.00 | 37.28 | a | 32.59 | b | 45.98 | |||||||
1975 | 31.68 | 35.00 | 38.10 | 39.28 | a | 45.81 | 49.63 | 56.61 | 53.03 | 54.30 | 42.74 | 32.27 | 30.45 | 42.41 | ||||||||||||
1976 | 28.84 | 35.97 | 34.97 | 40.30 | 50.45 | 54.27 | 59.32 | 54.87 | 59.67 | 48.16 | 40.10 | 30.55 | 44.79 | |||||||||||||
1977 | 37.45 | 36.68 | 35.48 | 44.70 | 46.58 | 54.63 | 59.58 | 62.47 | a | 55.63 | 49.58 | 38.80 | 42.13 | 46.98 | ||||||||||||
1978 | 40.74 | 39.28 | c | ----- | z | 41.17 | 48.00 | ----- | z | 59.03 | 57.58 | 57.43 | 52.48 | 38.97 | a | 31.74 | 46.64 | b | ||||||||
1979 | 36.23 | 35.38 | b | 41.07 | c | 41.97 | 48.87 | 49.60 | ----- | z | 57.85 | d | 58.17 | 50.00 | 37.83 | 33.58 | 44.60 | a | ||||||||
1980 | 41.42 | 43.62 | c | 42.30 | a | 43.93 | 46.50 | c | 47.72 | a | 61.48 | 59.42 | 54.33 | 51.14 | b | ----- | z | 38.29 | 48.20 | a | ||||||
1981 | 36.70 | a | 40.54 | 43.67 | g | 49.11 | c | 55.13 | 58.77 | d | 55.77 | 60.74 | 57.87 | 45.52 | 39.80 | 36.39 | 48.76 | a | ||||||||
1982 | 34.35 | 39.50 | 38.26 | 41.67 | 48.77 | 50.83 | 55.61 | 58.42 | 53.97 | 44.25 | g | 36.00 | 31.16 | 44.41 | a | |||||||||||
1983 | 35.55 | 38.82 | 44.10 | a | 40.80 | 47.94 | 53.07 | p | 57.32 | 63.55 | b | 63.57 | g | 53.10 | a | 42.97 | 40.00 | 46.41 | b | |||||||
1984 | 38.27 | a | 34.83 | 41.10 | a | 45.00 | 52.45 | 56.53 | 65.77 | 65.00 | 63.70 | 49.68 | 42.83 | 38.04 | d | 49.43 | ||||||||||
1985 | 35.67 | a | 35.59 | a | 39.97 | 45.41 | a | ----- | z | 53.70 | 61.61 | 55.94 | 54.73 | 50.23 | 41.70 | 36.35 | e | 46.44 | a | |||||||
1986 | 38.36 | f | 39.35 | h | 42.00 | e | 41.91 | g | 47.52 | 53.30 | c | 55.66 | b | 59.94 | 53.20 | ----- | z | 46.60 | 34.87 | 49.13 | d | |||||
1987 | 34.04 | d | 40.81 | a | 41.69 | e | 47.68 | e | 52.12 | f | 55.72 | a | 55.81 | 57.77 | a | 55.24 | a | 55.37 | d | 43.72 | e | 31.97 | a | 47.26 | a | |
1988 | 33.93 | c | 35.65 | c | 38.23 | a | 44.38 | a | 49.88 | e | 51.90 | 60.74 | 59.13 | 55.23 | 53.33 | a | 42.87 | 36.00 | a | 46.77 | ||||||
1989 | 32.83 | b | 37.57 | 40.97 | 48.83 | a | 49.77 | a | 55.66 | a | ----- | z | 58.55 | 55.57 | ----- | z | 39.71 | b | 34.83 | a | 45.43 | b | ||||
1990 | 35.06 | ----- | z | 43.03 | 50.11 | b | 50.45 | 58.23 | 63.03 | 60.84 | 55.83 | r | 49.03 | 40.60 | 31.84 | 48.22 | b | |||||||||
1991 | 38.03 | a | 40.48 | c | 37.81 | d | 45.73 | d | 48.82 | c | ----- | z | 58.29 | 59.52 | 59.72 | a | 52.19 | 40.97 | a | ----- | z | 48.16 | b | |||
1992 | 34.84 | 42.78 | b | 45.59 | b | 50.48 | a | 54.80 | a | 54.63 | c | 60.76 | f | ----- | z | 55.44 | c | 51.11 | c | 38.45 | a | 32.97 | 46.11 | b | ||
1993 | 37.67 | d | 41.14 | 43.31 | e | 45.57 | b | ----- | z | 54.83 | a | 54.68 | c | 57.37 | d | 57.32 | b | 52.04 | g | 39.93 | c | 32.83 | g | 47.98 | c | |
1994 | 35.43 | a | 37.38 | d | 44.44 | d | 47.92 | e | 50.43 | a | 56.00 | d | 58.86 | b | 64.07 | a | 64.14 | b | 46.96 | h | 35.42 | f | 34.48 | f | 50.96 | c |
1995 | 41.07 | c | 44.58 | b | 44.63 | a | 42.86 | b | 49.33 | a | 54.25 | n | 58.79 | c | 61.96 | c | 59.20 | e | 48.50 | g | ----- | z | 37.31 | b | 48.86 | c |
1996 | 36.82 | c | 43.19 | b | 42.45 | b | 46.08 | f | 51.74 | h | ----- | z | 62.12 | f | 60.68 | f | 67.59 | c | 46.91 | i | 42.61 | b | 37.92 | e | 45.10 | f |
1997 | 40.68 | f | 35.78 | e | 40.34 | b | 45.38 | d | 54.59 | i | 55.12 | m | 56.55 | k | 61.37 | l | 55.00 | l | 48.32 | i | 42.58 | f | 34.11 | m | 40.50 | i |
1998 | 37.79 | g | 40.19 | b | 41.79 | b | 41.33 | 49.29 | c | 52.79 | a | ----- | z | 62.26 | 54.30 | 45.48 | 39.22 | g | 33.00 | a | 46.72 | c | ||||
1999 | 34.96 | e | 33.77 | f | 39.89 | l | 39.96 | b | 45.90 | b | 50.61 | g | 56.60 | k | 56.23 | a | 54.31 | n | 47.15 | k | 38.56 | c | 32.79 | q | 43.12 | g |
2000 | 37.60 | f | 38.58 | c | 41.38 | b | 43.74 | g | 51.11 | c | 56.12 | n | 55.52 | f | 59.74 | l | 55.94 | n | 46.58 | l | 36.12 | n | 38.68 | l | 43.69 | i |
2001 | ----- | z | 35.81 | l | 43.53 | p | 41.75 | n | 46.61 | m | 53.76 | m | 55.09 | t | 59.69 | e | 55.09 | h | ----- | z | 38.33 | r | 31.60 | k | 59.69 | k |
2002 | 32.24 | j | 33.53 | m | 37.68 | i | 44.90 | 44.20 | p | 52.50 | t | 59.00 | p | ----- | z | 58.08 | r | 48.81 | j | 39.00 | o | ----- | z | 44.90 | k | |
2003 | 40.67 | m | 36.89 | j | 42.68 | l | 41.55 | s | 48.24 | j | ----- | z | 65.42 | s | 63.24 | f | 58.83 | f | 52.40 | u | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.98 | 38.55 | 41.06 | 44.37 | 49.43 | 53.97 | 58.75 | 59.32 | 57.22 | 49.57 | 40.00 | 34.69 | 46.06 | |||||||||||||
S.D. | 2.92 | 3.25 | 2.76 | 3.32 | 2.42 | 2.86 | 2.89 | 2.87 | 3.78 | 3.38 | 3.05 | 3.29 | 2.35 | |||||||||||||
SKEW | -0.13 | 0.07 | -0.58 | 0.26 | 0.73 | -0.50 | 0.62 | 0.04 | 1.22 | -0.44 | -0.25 | 0.53 | -0.19 | |||||||||||||
MAX | 41.42 | 44.58 | 45.59 | 50.48 | 55.13 | 58.77 | 65.77 | 65.00 | 67.59 | 55.37 | 46.60 | 42.13 | 49.43 | |||||||||||||
MIN | 28.84 | 31.89 | 34.97 | 39.28 | 45.81 | 47.72 | 54.68 | 53.03 | 52.27 | 42.74 | 32.27 | 30.45 | 42.41 | |||||||||||||
YRS | 23 | 24 | 24 | 25 | 23 | 20 | 20 | 25 | 23 | 18 | 22 | 22 | 6 |