YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.11 | 72.56 | 66.12 | 61.52 | 47.65 | 43.23 | 61.03 | f | ||||||
1951 | 34.16 | 37.27 | 41.90 | 52.45 | b | 58.72 | b | 66.44 | d | 75.72 | a | 71.00 | 66.43 | a | 53.59 | b | 41.30 | c | 31.40 | 52.53 | ||||||
1952 | 32.87 | 35.19 | 35.78 | b | 51.36 | e | 60.67 | j | 65.65 | m | 74.79 | 75.69 | 68.30 | 60.34 | 40.05 | 35.76 | 51.01 | b | ||||||||
1953 | 40.27 | 37.88 | 45.75 | g | 50.47 | 54.69 | 68.24 | a | 76.81 | 72.56 | 68.27 | 54.38 | a | 46.87 | 32.22 | a | 54.79 | a | ||||||||
1954 | 37.17 | d | 43.75 | 39.52 | k | 56.28 | e | 63.38 | b | 65.22 | 75.84 | 71.53 | 67.70 | 58.09 | d | ----- | z | ----- | z | 59.88 | c | |||||
1955 | 28.42 | 31.25 | b | 41.48 | 48.02 | i | 59.58 | 66.10 | f | 73.87 | 74.73 | a | 66.88 | d | 60.47 | 43.32 | 41.22 | a | 52.12 | b | ||||||
1956 | 39.73 | 31.62 | i | 42.88 | e | 50.46 | c | 63.20 | c | 73.02 | 75.85 | 73.48 | 71.40 | 56.79 | b | 38.17 | c | 34.65 | a | 56.33 | a | |||||
1957 | 33.26 | 44.23 | 44.27 | 47.92 | j | 55.31 | b | 70.19 | c | 76.75 | u | 74.23 | a | 68.48 | c | 55.04 | d | 40.03 | m | 37.45 | 53.61 | c | ||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | 35.89 | 34.26 | a | 41.09 | h | 53.75 | d | 60.43 | a | 72.96 | d | 79.24 | 75.04 | e | 62.70 | g | 57.13 | 43.93 | a | 37.87 | 55.05 | b | ||||
1960 | 29.52 | c | 33.63 | c | 42.65 | n | 53.70 | 58.58 | 74.76 | m | 79.29 | 76.85 | 70.57 | 53.07 | j | 44.94 | d | 33.65 | a | 53.42 | c | |||||
1961 | 36.71 | 40.25 | 43.30 | a | 51.03 | 60.39 | ----- | z | 79.35 | a | 74.47 | b | 63.38 | 55.26 | 41.27 | 32.20 | a | 52.51 | a | |||||||
1962 | 30.37 | d | ----- | z | 41.22 | h | ----- | z | ----- | z | 69.26 | i | 73.83 | g | 73.68 | 68.18 | k | 57.34 | 45.85 | j | 34.85 | h | 53.80 | i | ||
1963 | 27.28 | b | 43.61 | 36.82 | l | 46.30 | t | 64.00 | 65.32 | 78.15 | 74.62 | b | 69.38 | ----- | z | ----- | z | ----- | z | 60.34 | e | |||||
1964 | ----- | z | ----- | z | ----- | z | ----- | z | 57.77 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.77 | k |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.60 | 74.32 | 62.43 | 60.16 | 48.47 | 37.85 | 59.64 | f | ||||||
1966 | 33.95 | 35.34 | 47.53 | 54.45 | 64.95 | 70.62 | 76.05 | 77.06 | 70.07 | a | 56.48 | b | 47.52 | 35.60 | 55.80 | |||||||||||
1967 | 33.79 | 39.88 | 46.66 | 45.34 | a | 63.59 | i | 66.70 | 77.21 | 76.65 | 67.78 | 57.77 | 48.78 | a | 29.18 | a | 53.61 | a | ||||||||
1968 | 32.63 | 45.50 | 45.40 | a | 48.65 | 60.54 | e | 70.80 | 75.07 | b | 71.26 | 66.85 | 57.26 | 44.00 | 31.68 | 54.14 | ||||||||||
1969 | 38.47 | 36.34 | 40.81 | 52.07 | 63.23 | 66.93 | 75.24 | 77.05 | 68.05 | 51.87 | 44.95 | 39.37 | 54.53 | |||||||||||||
1970 | 36.48 | 44.38 | 41.94 | 46.50 | 61.65 | 70.65 | 76.85 | 76.27 | 64.47 | 52.47 | 45.68 | 36.68 | 54.50 | |||||||||||||
1971 | 35.71 | 37.89 | 44.95 | 51.77 | 56.03 | 68.85 | 77.92 | 74.69 | 65.83 | 51.98 | 43.60 | 32.53 | 53.48 | |||||||||||||
1972 | 35.03 | 41.40 | 50.95 | 52.08 | 61.05 | 70.38 | 77.81 | 73.60 | 65.28 | 53.77 | 40.10 | 32.00 | 54.45 | |||||||||||||
1973 | 26.89 | 38.71 | 39.32 | a | 48.57 | 61.60 | 70.05 | 76.02 | 74.65 | 65.97 | 56.60 | 42.93 | 38.27 | 53.30 | ||||||||||||
1974 | 32.03 | 37.93 | 47.63 | 50.45 | 63.18 | 73.57 | 75.39 | 73.34 | 69.13 | 58.34 | 44.48 | 33.79 | 54.94 | |||||||||||||
1975 | 33.95 | 37.21 | 40.56 | 44.72 | 56.39 | 68.25 | 76.15 | 73.79 | 68.97 | 56.76 | 42.97 | 37.97 | 53.14 | |||||||||||||
1976 | 37.47 | 43.17 | 41.98 | 50.07 | 62.98 | 69.45 | 75.81 | 72.35 | 65.77 | 53.98 | 45.37 | 36.34 | 54.56 | |||||||||||||
1977 | 34.29 | 41.46 | 40.65 | 55.38 | 55.63 | 73.13 | 76.71 | 75.45 | 68.35 | 60.73 | 47.03 | 41.60 | 55.87 | |||||||||||||
1978 | 38.50 | 40.43 | 49.40 | 50.65 | 58.73 | 70.70 | 76.95 | 74.53 | 66.93 | 60.90 | 43.70 | 31.26 | 55.22 | |||||||||||||
1979 | 28.89 | 35.34 | 43.68 | a | 52.05 | 61.16 | 70.53 | 76.76 | 72.31 | 71.97 | 60.37 | 41.97 | 39.60 | 54.55 | ||||||||||||
1980 | 38.50 | 43.19 | 41.79 | 53.10 | 57.34 | 69.92 | 76.29 | 72.81 | 68.58 | 56.77 | 46.67 | 44.06 | 55.75 | |||||||||||||
1981 | 41.24 | 42.52 | 44.29 | 56.92 | 60.13 | 74.15 | 77.85 | 75.21 | 68.88 | 53.89 | 49.62 | 40.26 | 57.08 | |||||||||||||
1982 | 32.45 | 39.91 | 43.89 | 51.32 | 60.32 | 69.03 | 75.34 | 75.24 | 67.45 | 54.06 | 43.02 | 36.27 | 54.03 | |||||||||||||
1983 | 38.40 | 41.20 | 44.23 | 47.38 | 59.39 | 70.03 | 75.58 | 74.52 | 70.27 | 57.38 | a | 44.55 | 38.19 | 55.09 | ||||||||||||
1984 | 36.05 | 38.33 | 43.48 | 49.47 | 66.13 | 70.03 | 75.52 | 73.73 | 68.90 | 49.69 | 43.38 | 36.24 | 54.25 | |||||||||||||
1985 | 34.95 | 36.09 | 43.58 | 56.22 | 63.16 | b | 73.22 | 78.69 | 75.37 | 63.10 | 56.50 | 39.13 | 37.66 | 54.81 | ||||||||||||
1986 | 43.32 | a | 42.57 | 50.70 | a | 53.07 | 62.19 | 73.93 | 73.94 | 76.32 | 61.98 | 54.73 | 44.18 | 37.65 | 56.21 | |||||||||||
1987 | 33.47 | 39.41 | 42.45 | 56.28 | a | 61.95 | 73.42 | 73.73 | 74.29 | 68.37 | 59.85 | 43.92 | 33.56 | 55.06 | ||||||||||||
1988 | 34.84 | 41.93 | 44.52 | 52.87 | 60.81 | 72.80 | b | 78.83 | a | 74.94 | 66.35 | 62.39 | 44.00 | 34.13 | a | 55.70 | ||||||||||
1989 | 30.15 | 38.27 | 50.47 | 59.15 | 62.16 | 71.58 | 79.08 | 72.68 | 68.25 | 55.76 | 45.83 | a | 36.23 | 55.80 | ||||||||||||
1990 | 36.11 | 37.34 | 48.15 | 55.03 | 60.47 | 73.73 | 78.27 | 73.90 | 70.37 | 58.15 | 45.20 | 29.27 | 55.50 | |||||||||||||
1991 | 33.83 | a | 46.04 | d | 41.38 | a | 49.97 | a | 57.82 | a | 68.82 | 77.61 | 75.77 | a | 68.22 | 58.47 | 44.19 | a | 36.38 | b | 54.87 | |||||
1992 | 33.90 | 42.84 | 46.40 | a | 57.88 | 63.29 | 69.15 | 73.65 | a | 73.84 | 68.32 | 58.72 | a | 39.50 | 31.27 | 54.90 | ||||||||||
1993 | 36.21 | 38.57 | 47.15 | 53.30 | 62.71 | 68.28 | 73.87 | 75.48 | 68.98 | 56.95 | 42.15 | 38.10 | 55.15 | |||||||||||||
1994 | 39.56 | 38.39 | 50.90 | 53.75 | 63.52 | a | 75.43 | 78.42 | 79.23 | 72.16 | a | 56.34 | 40.60 | 38.95 | i | 58.94 | a | |||||||||
1995 | 38.79 | e | 49.84 | 47.39 | 51.07 | b | 58.02 | 66.83 | 76.77 | 77.53 | 70.38 | 58.88 | a | 50.50 | a | 40.92 | a | 57.24 | ||||||||
1996 | 37.16 | c | 44.33 | 47.43 | a | 54.85 | 63.82 | a | 74.53 | 80.60 | a | 78.43 | d | 66.57 | a | 55.67 | a | 46.58 | 39.87 | a | 57.49 | |||||
1997 | 35.63 | a | 40.65 | a | 51.24 | 51.02 | a | 66.81 | 70.37 | 75.73 | a | 75.77 | a | 69.73 | 56.43 | b | 46.90 | 36.05 | a | 56.36 | ||||||
1998 | 38.98 | c | 37.67 | d | 46.38 | b | 49.72 | c | 59.08 | a | 66.20 | 77.73 | 77.81 | 67.90 | a | 53.94 | f | 44.48 | b | 36.70 | d | 54.79 | a | |||
1999 | 37.59 | b | 40.37 | b | 46.41 | c | 45.48 | e | 58.42 | e | 68.73 | d | 73.11 | 73.59 | c | 66.33 | a | 57.35 | a | 49.64 | e | 34.80 | d | 54.32 | ||
2000 | 37.92 | e | 42.04 | e | 46.10 | k | 57.13 | k | 66.90 | g | 73.76 | a | 77.84 | f | 77.72 | f | 70.61 | b | 57.77 | e | 38.33 | g | 39.91 | d | 53.67 | f |
2001 | 35.54 | e | 37.79 | g | 47.32 | a | 51.89 | h | 65.00 | i | 72.31 | c | 75.64 | f | 76.52 | e | 71.46 | e | 59.77 | c | 48.16 | e | 32.07 | i | 58.73 | e |
2002 | 36.16 | c | 40.02 | f | 43.20 | h | 56.31 | f | 61.56 | f | 74.36 | e | 79.94 | f | 76.65 | d | 66.65 | f | 54.31 | e | 45.35 | j | 35.40 | g | 60.37 | h |
2003 | 43.16 | f | 39.00 | h | 44.00 | k | 49.67 | j | 63.72 | h | 72.38 | a | 81.02 | g | 77.26 | 71.34 | b | 64.40 | 41.77 | f | 39.50 | g | 71.34 | h | ||
2004 | 38.40 | g | 34.92 | d | 52.41 | i | 52.83 | i | 63.26 | f | 73.36 | e | 77.79 | e | 75.28 | d | 68.21 | a | 55.19 | d | 41.22 | e | 36.94 | e | 57.86 | d |
2005 | 39.04 | h | 39.92 | d | 43.57 | d | 49.75 | b | 61.32 | 68.58 | 80.78 | b | 74.78 | a | 68.62 | b | 58.23 | a | 46.18 | b | 37.06 | 57.16 | a | |||
2006 | 37.32 | a | 40.73 | b | 41.82 | a | 53.00 | c | 65.80 | a | 75.77 | 80.02 | a | 76.78 | a | 66.43 | b | 55.12 | b | 47.46 | b | 34.77 | a | 56.25 | ||
2007 | 32.88 | b | 40.48 | a | 49.71 | 53.83 | 65.08 | 73.41 | b | 82.10 | a | 78.71 | c | 64.62 | r | 58.05 | l | 45.89 | b | 32.11 | c | 55.42 | b | |||
2008 | 32.03 | a | 37.39 | b | 44.45 | a | 50.57 | a | 57.14 | c | 69.74 | a | 76.59 | h | 76.58 | k | 67.75 | n | 55.22 | b | 45.29 | b | 30.33 | a | 46.91 | c |
2009 | 35.98 | a | 40.21 | 44.45 | 50.12 | a | 65.05 | 67.23 | 78.37 | 73.61 | 69.97 | 51.92 | 45.82 | 28.50 | 54.27 | |||||||||||
2010 | 34.53 | a | 37.07 | 42.08 | 49.73 | 54.98 | 70.88 | a | 78.74 | 75.24 | 69.55 | 57.53 | b | 40.53 | a | 39.39 | i | 55.53 | a | |||||||
2011 | 33.32 | 35.15 | a | 44.06 | 47.88 | f | 56.82 | i | 69.88 | e | 75.42 | 78.38 | a | 69.74 | a | 57.16 | f | 42.23 | b | 34.02 | a | 53.58 | c | |||
2012 | 36.53 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.53 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.13 | 39.69 | 44.81 | 51.81 | 60.80 | 70.64 | 76.84 | 74.96 | 68.03 | 56.85 | 44.45 | 35.86 | 55.03 | |||||||||||||
S.D. | 3.42 | 3.57 | 3.41 | 3.19 | 3.09 | 2.70 | 2.01 | 1.88 | 2.31 | 2.89 | 2.87 | 3.63 | 1.14 | |||||||||||||
SKEW | -0.32 | 0.21 | 0.06 | -0.05 | -0.16 | -0.09 | 0.34 | 0.15 | -0.60 | 0.05 | -0.07 | 0.01 | 0.14 | |||||||||||||
MAX | 43.32 | 49.84 | 51.24 | 59.15 | 66.81 | 75.77 | 82.10 | 79.23 | 72.16 | 64.40 | 50.50 | 44.06 | 57.49 | |||||||||||||
MIN | 26.89 | 31.25 | 35.78 | 44.72 | 54.69 | 65.22 | 73.11 | 71.00 | 61.98 | 49.69 | 38.17 | 28.50 | 52.53 | |||||||||||||
YRS | 56 | 53 | 48 | 48 | 50 | 53 | 53 | 58 | 55 | 55 | 53 | 52 | 34 |