YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.83 | 83.11 | c | 73.74 | l | 64.56 | c | 55.55 | 41.93 | 38.74 | h | 63.60 | g | |||
1960 | 32.46 | g | 38.08 | d | 47.88 | e | 55.36 | h | 60.93 | d | 73.13 | 88.77 | 74.72 | b | 76.11 | b | 59.50 | a | 43.27 | 36.26 | 59.87 | b | ||||
1961 | 39.03 | a | 40.21 | 46.06 | 50.57 | 62.74 | 81.70 | 85.39 | 90.52 | 65.96 | c | 53.90 | b | 40.76 | a | 34.06 | 57.58 | |||||||||
1962 | 33.00 | 39.29 | 42.71 | 59.50 | 58.29 | 72.10 | 81.75 | c | 77.47 | a | 75.71 | f | 60.00 | a | 45.43 | 38.13 | 55.24 | a | ||||||||
1963 | 29.94 | 46.96 | 46.94 | 51.70 | 65.74 | 68.30 | 76.70 | d | 83.37 | a | 78.44 | c | 64.00 | 44.53 | 35.29 | 57.66 | ||||||||||
1964 | 35.84 | 38.90 | 40.13 | 48.63 | 58.32 | 70.23 | 82.35 | 73.74 | 65.63 | 60.63 | a | 43.30 | 35.48 | 54.43 | ||||||||||||
1965 | 36.71 | 42.68 | 46.35 | 56.93 | 64.74 | 75.41 | a | 82.70 | a | 78.64 | c | 63.38 | a | 64.10 | b | 47.90 | 36.87 | a | 58.04 | |||||||
1966 | 36.00 | 38.93 | 45.48 | 53.93 | 72.26 | 71.07 | 83.16 | 83.90 | a | 79.64 | b | 60.59 | b | 45.43 | b | 37.16 | 58.96 | |||||||||
1967 | 36.90 | 41.61 | 41.45 | 49.20 | 62.00 | 72.70 | 85.06 | 88.90 | a | 81.10 | a | 56.42 | 45.63 | 33.16 | 57.85 | |||||||||||
1968 | 33.94 | 44.83 | 50.74 | 50.43 | 61.23 | 69.27 | 83.03 | 75.93 | a | 67.57 | 54.48 | 41.07 | 31.71 | 55.35 | ||||||||||||
1969 | 30.35 | 37.32 | 46.48 | 55.97 | 67.42 | 73.93 | 79.52 | b | 82.00 | b | 70.23 | 52.43 | a | 45.07 | 36.42 | 56.43 | ||||||||||
1970 | 34.16 | 43.21 | 43.26 | 45.83 | a | 63.26 | 75.90 | 82.23 | 84.84 | 63.33 | 55.26 | 43.97 | 33.81 | 55.75 | ||||||||||||
1971 | 34.71 | 39.21 | 41.29 | 51.90 | 66.14 | b | 66.03 | 82.16 | 88.00 | 64.10 | 54.87 | 38.37 | 32.16 | 54.91 | ||||||||||||
1972 | 34.45 | 39.03 | 47.24 | b | 47.47 | 65.00 | a | 71.30 | 79.03 | a | 83.40 | a | 63.57 | b | 58.97 | a | 43.43 | 30.73 | a | 55.30 | ||||||
1973 | 34.26 | 42.93 | 45.61 | 53.57 | 66.77 | 74.23 | d | 83.52 | b | 82.52 | 68.72 | a | 56.55 | 36.72 | a | 36.55 | 56.83 | |||||||||
1974 | 29.77 | 38.82 | 43.10 | 51.27 | 57.97 | 77.93 | 80.10 | 81.35 | 75.77 | 63.35 | 44.36 | b | 35.32 | 56.59 | ||||||||||||
1975 | 33.19 | 36.74 | a | 40.52 | 46.63 | 58.19 | 65.23 | 84.48 | 73.70 | a | 74.12 | f | 53.07 | b | 40.21 | a | 35.10 | 51.55 | a | |||||||
1976 | 35.48 | 36.28 | 39.42 | 51.33 | 66.94 | 65.27 | 80.61 | 76.38 | b | 74.46 | d | 59.52 | 47.77 | 36.39 | 55.82 | |||||||||||
1977 | 32.97 | 44.63 | a | 41.16 | 61.20 | 58.48 | 78.57 | 77.75 | c | 82.61 | 65.96 | c | 58.50 | g | 40.12 | d | 38.11 | l | 58.35 | b | ||||||
1978 | 36.39 | h | 42.38 | g | 52.84 | f | 55.86 | i | 55.59 | i | 75.64 | h | 79.94 | m | 77.83 | h | 66.74 | k | 62.78 | h | 40.30 | j | 30.74 | l | ----- | z |
1979 | 25.95 | i | 37.50 | h | 49.32 | i | 50.65 | j | 67.45 | i | 73.81 | i | 85.80 | k | 83.78 | h | 78.68 | k | 62.30 | h | 44.16 | k | 40.24 | n | ----- | z |
1980 | 32.68 | i | 40.80 | i | 42.86 | j | 59.23 | h | 66.43 | j | 68.80 | e | 79.77 | a | 75.29 | j | 69.90 | 61.13 | 44.74 | c | 38.77 | e | 60.52 | f | ||
1981 | 41.42 | 41.50 | 51.71 | 54.21 | a | 61.77 | a | 65.53 | 79.39 | 85.62 | b | 72.87 | 53.68 | 47.45 | a | 36.21 | b | 57.61 | ||||||||
1982 | 32.52 | 35.43 | 44.84 | 49.67 | 61.90 | a | 74.82 | h | 77.57 | a | 81.91 | h | ----- | z | 55.31 | b | ----- | z | 34.81 | e | 49.00 | d | ||||
1983 | 41.64 | f | 43.59 | a | 49.13 | 54.57 | 64.97 | b | 71.00 | c | 75.10 | a | 83.67 | g | 66.03 | 59.10 | j | 43.79 | b | 27.81 | 55.11 | c | ||||
1984 | 35.96 | h | 41.52 | h | 46.59 | i | 55.29 | m | 60.32 | i | 71.19 | i | 86.37 | l | 83.61 | h | 66.84 | k | 54.29 | j | 41.32 | k | 30.50 | m | ----- | z |
1985 | 31.23 | i | 33.53 | k | 46.45 | k | 57.05 | j | 68.45 | i | 76.00 | k | 89.52 | j | 76.15 | k | 63.40 | j | 52.67 | j | 33.79 | k | 33.94 | m | ----- | z |
1986 | 38.65 | k | 38.85 | h | 51.38 | j | 55.18 | h | 65.62 | j | 83.45 | j | 75.86 | i | 86.71 | j | 64.67 | i | 63.70 | k | 41.94 | l | 35.95 | j | ----- | z |
1987 | 34.43 | j | 41.29 | k | 46.77 | i | 67.45 | h | 69.38 | j | 76.86 | i | 81.30 | k | 78.45 | k | 79.33 | i | ----- | z | 44.46 | q | 36.43 | j | ----- | z |
1988 | 34.21 | l | 41.71 | h | 44.91 | h | 62.00 | j | 66.55 | k | 72.95 | i | 80.00 | l | 83.04 | h | 71.95 | i | 67.95 | k | 43.35 | j | 36.05 | k | ----- | z |
1989 | 36.55 | k | 32.75 | h | 42.91 | h | 58.75 | j | 62.86 | i | 75.18 | h | 85.63 | l | 75.70 | h | 75.90 | i | 58.57 | j | 45.37 | k | 36.90 | j | ----- | z |
1990 | 37.57 | h | 36.60 | h | 50.59 | i | 61.05 | i | 61.36 | i | 69.80 | j | 83.52 | j | 81.86 | i | 82.37 | k | 56.83 | h | 42.10 | j | 34.07 | p | ----- | z |
1991 | 35.09 | i | 45.10 | h | 44.41 | i | 55.28 | l | 61.81 | j | 67.60 | j | 82.00 | j | 84.90 | j | 78.05 | k | 59.85 | k | 42.12 | m | 37.27 | p | ----- | z |
1992 | 36.95 | i | 48.08 | p | 58.00 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.33 | i | 66.52 | 73.90 | 70.10 | 59.55 | 37.67 | 34.81 | 57.09 | f | ||||||
1994 | 39.42 | 37.04 | 49.77 | 55.83 | 65.94 | 70.10 | 82.81 | 84.19 | 75.53 | 56.52 | 34.17 | a | 33.84 | 57.10 | ||||||||||||
1995 | 35.71 | 43.04 | 45.10 | 52.23 | 65.03 | 66.03 | 75.94 | 73.67 | a | 71.93 | 51.13 | 44.80 | 36.26 | 55.07 | ||||||||||||
1996 | 33.74 | 38.97 | 45.29 | 53.00 | 56.16 | 70.97 | 82.03 | 79.77 | 64.73 | 54.97 | 40.60 | 33.52 | 54.48 | |||||||||||||
1997 | 33.90 | 38.89 | 43.00 | a | 48.40 | 65.71 | 68.23 | 74.74 | 80.77 | a | 69.97 | 53.81 | 47.03 | 35.23 | 54.97 | |||||||||||
1998 | 35.68 | 43.54 | 45.87 | 54.10 | 63.45 | 67.50 | 83.29 | 81.97 | 75.60 | 54.87 | 41.43 | 32.26 | 56.63 | |||||||||||||
1999 | 36.13 | 37.07 | 46.42 | 51.47 | 59.23 | 65.60 | 75.94 | 80.52 | 69.93 | 57.55 | 48.67 | 34.68 | 55.27 | |||||||||||||
2000 | 34.55 | 40.41 | 45.48 | 57.27 | 62.03 | 68.77 | 78.29 | 81.26 | 65.23 | 55.35 | 35.60 | 31.93 | a | 54.68 | ||||||||||||
2001 | 35.17 | a | 37.46 | 46.52 | 49.37 | 65.00 | 66.53 | 76.84 | 81.94 | 74.83 | 54.26 | 46.27 | 33.68 | 55.65 | ||||||||||||
2002 | 33.52 | 38.32 | 38.19 | 50.50 | 58.77 | 70.07 | 80.90 | 74.29 | 70.33 | 53.45 | 42.93 | 37.39 | 54.06 | |||||||||||||
2003 | 38.90 | 36.43 | 43.32 | 52.17 | 60.52 | 73.00 | 84.06 | 82.26 | 71.37 | 61.03 | 36.93 | 34.87 | 56.24 | |||||||||||||
2004 | 33.19 | 39.62 | 50.87 | 57.47 | 59.55 | 73.03 | ----- | z | ----- | z | ----- | z | ----- | z | 34.90 | t | 38.00 | 50.25 | e | |||||||
2005 | 38.06 | 44.79 | 49.97 | 54.27 | 62.61 | 65.40 | 82.19 | 82.42 | 67.03 | 56.55 | 39.77 | 30.97 | 56.17 | |||||||||||||
2006 | 36.52 | 36.57 | 44.32 | 54.30 | 65.94 | 73.27 | 85.68 | 79.65 | 70.13 | 55.32 | 40.77 | 33.52 | 56.33 | |||||||||||||
2007 | 31.45 | 38.07 | 48.39 | 53.77 | 64.94 | 71.37 | 87.83 | a | 79.97 | 70.20 | 53.90 | 42.00 | 32.23 | 56.18 | ||||||||||||
2008 | 30.55 | 38.55 | 40.87 | 47.70 | 61.35 | 68.10 | 77.75 | o | 77.77 | 69.43 | 56.94 | 43.07 | 28.52 | 51.17 | a | |||||||||||
2009 | 32.94 | 39.00 | 38.61 | 51.60 | 63.45 | 70.50 | 79.90 | 77.81 | 76.17 | 49.39 | 39.67 | 28.19 | 53.94 | |||||||||||||
2010 | 37.42 | 41.21 | 49.32 | 52.63 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.15 | h | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.76 | 39.98 | 45.07 | 52.45 | 62.83 | 70.76 | 80.80 | 80.56 | 70.27 | 56.70 | 42.54 | 34.26 | 56.06 | |||||||||||||
S.D. | 2.72 | 2.87 | 3.58 | 3.50 | 3.43 | 3.97 | 4.15 | 4.40 | 4.90 | 3.54 | 3.58 | 2.70 | 1.29 | |||||||||||||
SKEW | 0.22 | 0.58 | -0.09 | 0.34 | 0.22 | 0.60 | -0.93 | 0.13 | 0.40 | 0.39 | -0.39 | -0.68 | 0.29 | |||||||||||||
MAX | 41.42 | 46.96 | 51.71 | 61.20 | 72.26 | 81.70 | 88.77 | 90.52 | 81.10 | 64.10 | 48.67 | 38.77 | 58.96 | |||||||||||||
MIN | 29.77 | 35.43 | 38.19 | 45.83 | 56.16 | 65.23 | 66.52 | 73.67 | 63.33 | 49.39 | 34.17 | 27.81 | 53.94 | |||||||||||||
YRS | 36 | 38 | 38 | 37 | 37 | 38 | 38 | 35 | 36 | 37 | 38 | 38 | 29 |