YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.36 | t | 40.47 | 33.29 | 36.88 | j | ||
1944 | 31.68 | 31.52 | b | 34.86 | b | 40.50 | 51.16 | f | 55.11 | b | 64.55 | 66.19 | 59.00 | 52.56 | d | 36.57 | 33.06 | 45.96 | a | |||||||
1945 | 30.97 | a | 34.04 | b | 35.14 | i | 40.43 | 47.90 | b | 55.47 | 65.61 | 64.71 | 58.55 | a | 50.87 | 36.13 | 26.59 | d | 46.48 | a | ||||||
1946 | 28.91 | h | 27.48 | g | 33.75 | g | 46.72 | a | 48.55 | 60.95 | h | 64.39 | 63.23 | ----- | z | 45.10 | 34.79 | b | 34.06 | 48.12 | e | |||||
1947 | 28.48 | 36.32 | c | 38.93 | c | 42.79 | a | 53.60 | a | 57.86 | h | 65.65 | ----- | z | ----- | z | ----- | z | 32.43 | i | 29.13 | 42.13 | e | |||
1948 | 30.50 | c | 31.32 | d | 31.92 | e | 42.44 | n | 49.81 | 58.17 | 64.87 | 65.77 | 59.77 | 49.84 | 32.00 | 29.38 | b | 45.76 | a | |||||||
1949 | 23.48 | b | 27.85 | a | 35.16 | 45.93 | 49.58 | g | 58.70 | 65.23 | 63.59 | b | 62.00 | 45.86 | c | 41.90 | 31.97 | 45.61 | a | |||||||
1950 | 29.16 | 39.08 | b | 37.90 | b | 45.87 | 50.13 | 58.63 | 64.45 | 63.52 | 56.23 | 54.48 | 41.23 | 36.14 | b | 48.07 | ||||||||||
1951 | 30.23 | 32.91 | e | 34.80 | a | 43.10 | 51.23 | 57.20 | 67.68 | 64.80 | a | 61.73 | d | 53.00 | n | 37.30 | 30.77 | 46.52 | a | |||||||
1952 | 32.13 | 30.45 | 31.70 | a | 45.93 | 54.03 | 58.93 | 65.42 | 67.03 | b | 61.59 | a | 54.58 | 36.93 | b | 32.13 | 47.57 | |||||||||
1953 | 32.77 | a | 29.44 | a | 38.03 | 42.10 | 44.55 | 58.57 | 66.68 | 64.42 | 60.70 | 50.00 | 40.70 | 27.10 | 46.25 | |||||||||||
1954 | 32.97 | b | 36.11 | a | 37.26 | 48.00 | a | 52.69 | b | 58.81 | d | 66.94 | 63.61 | 60.07 | b | 51.90 | b | 40.30 | 33.66 | b | 48.53 | |||||
1955 | 29.55 | b | 29.93 | 36.21 | b | 38.15 | c | 49.35 | 57.00 | d | 63.30 | a | 64.59 | d | 58.85 | j | 52.46 | c | 36.95 | h | 32.50 | o | 46.73 | c | ||
1956 | 35.93 | b | 29.07 | a | 35.03 | a | 41.60 | 50.71 | 62.21 | b | 64.17 | a | 62.00 | 62.43 | 47.71 | 35.36 | b | 30.92 | e | 46.43 | ||||||
1957 | 34.87 | 42.67 | a | 39.53 | a | 41.80 | 46.36 | f | 61.17 | 66.40 | a | 63.48 | d | 58.64 | e | 48.39 | c | 34.00 | g | 33.81 | 49.08 | b | ||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | 30.13 | 31.96 | b | 35.85 | d | 46.97 | a | 48.41 | b | 63.72 | a | 65.93 | c | 63.00 | c | 57.50 | 48.52 | b | 37.92 | f | 34.36 | c | 47.85 | a | ||
1960 | 27.47 | a | 28.93 | a | 41.00 | 47.50 | 51.66 | b | 63.47 | 66.50 | e | 63.78 | d | 60.11 | c | 48.32 | 37.29 | b | 28.38 | b | 47.03 | |||||
1961 | 31.71 | 30.11 | a | 35.28 | b | 41.34 | a | 48.74 | 61.00 | a | 63.57 | a | 62.29 | c | 54.34 | a | 44.29 | c | 32.79 | b | 27.37 | d | 44.40 | |||
1962 | 25.10 | a | 30.79 | 30.17 | a | 45.93 | 47.59 | b | 58.50 | 65.23 | 65.33 | d | 60.75 | b | 49.90 | b | 42.83 | 33.07 | a | 46.26 | ||||||
1963 | 25.86 | c | 38.22 | a | 36.00 | c | 38.86 | b | 52.23 | 54.93 | 67.55 | 64.81 | d | 61.96 | b | 53.97 | b | 39.17 | g | 30.25 | c | 47.69 | a | |||
1964 | 25.45 | 24.00 | c | 31.14 | b | 41.47 | 48.84 | 56.48 | a | 66.61 | 62.60 | a | 57.73 | 52.14 | b | 32.86 | a | 29.74 | 44.09 | |||||||
1965 | 31.83 | b | 30.18 | 32.82 | c | 40.03 | 45.00 | 52.00 | 64.58 | 61.74 | 52.57 | 46.52 | b | 41.48 | a | 33.23 | 44.33 | |||||||||
1966 | 28.94 | 29.54 | 38.42 | 46.03 | 54.06 | 59.76 | e | 67.45 | 64.81 | 61.14 | a | 48.61 | 38.27 | 32.71 | 47.48 | |||||||||||
1967 | 27.74 | 31.82 | 35.77 | 35.80 | 44.14 | b | 52.23 | 61.94 | 58.81 | 54.23 | 40.84 | 34.20 | 20.00 | 41.46 | ||||||||||||
1968 | 25.87 | 33.28 | 30.68 | 34.90 | 42.39 | 47.23 | 59.84 | 56.00 | 48.28 | a | 41.06 | 33.00 | 22.39 | 39.58 | ||||||||||||
1969 | 33.29 | 29.62 | b | 28.39 | 36.40 | 42.48 | 47.79 | b | 62.13 | a | 65.00 | 55.50 | b | 43.42 | 37.36 | b | 30.70 | d | 42.67 | |||||||
1970 | 27.32 | c | 33.89 | 32.94 | 35.54 | b | 45.90 | 56.07 | 64.74 | 63.83 | a | 50.03 | 38.48 | 31.93 | a | 25.39 | 42.17 | |||||||||
1971 | 23.19 | d | 27.63 | i | 29.81 | j | 34.79 | f | 40.65 | 50.10 | 60.93 | b | 60.55 | b | 53.32 | e | 43.37 | l | 31.85 | j | 25.67 | j | 48.12 | f | ||
1972 | 24.33 | j | 27.42 | j | 35.50 | i | 40.05 | h | 44.18 | c | 55.12 | e | 60.81 | d | 58.67 | d | 53.83 | 46.03 | 30.83 | 26.39 | c | 46.98 | d | |||
1973 | 25.87 | h | 29.58 | i | 29.44 | d | 36.61 | b | 48.13 | 55.70 | 60.68 | 60.55 | 52.46 | b | 42.26 | d | 33.03 | 27.48 | 44.63 | b | ||||||
1974 | 28.19 | 25.57 | 36.06 | 36.28 | a | 46.13 | 56.30 | 60.52 | 56.55 | 52.50 | 45.77 | 33.17 | a | 23.30 | a | 41.70 | ||||||||||
1975 | 24.13 | 27.29 | 30.81 | 32.59 | a | 42.42 | 50.10 | 59.71 | 59.77 | 55.90 | 43.35 | 32.87 | 31.06 | 40.83 | ||||||||||||
1976 | 29.55 | b | 34.48 | 34.19 | 37.04 | b | 49.03 | 54.00 | 63.45 | 59.52 | 55.67 | 46.53 | a | 35.30 | 26.87 | 43.80 | ||||||||||
1977 | 28.55 | 30.14 | 29.29 | 37.80 | 43.70 | a | 54.80 | 62.90 | 62.65 | 56.67 | 48.42 | 35.70 | 32.19 | 43.57 | ||||||||||||
1978 | 32.03 | 31.96 | 38.94 | 38.80 | 44.84 | 54.60 | 61.00 | 58.58 | 56.10 | 48.39 | 37.50 | 26.50 | a | 44.10 | ||||||||||||
1979 | 25.68 | 28.46 | 35.03 | 37.97 | 47.65 | 54.50 | 60.13 | 57.23 | 57.13 | 45.26 | 33.30 | 30.71 | 42.75 | |||||||||||||
1980 | 33.71 | 34.97 | 34.45 | 41.30 | 43.45 | 52.53 | 63.29 | 61.13 | 55.13 | 44.94 | 35.83 | 34.68 | 44.62 | |||||||||||||
1981 | 33.10 | 31.75 | 34.45 | 43.60 | 46.32 | 59.23 | 64.03 | 62.16 | 56.30 | 44.81 | 37.10 | 30.06 | 45.24 | |||||||||||||
1982 | 29.07 | a | 33.79 | 36.30 | a | 40.17 | 50.71 | 57.23 | 65.16 | 68.23 | 60.37 | 48.29 | 41.21 | a | 32.65 | 46.93 | ||||||||||
1983 | 33.35 | 37.32 | 37.74 | 39.57 | 51.10 | 59.40 | 66.13 | 66.03 | 63.76 | a | 52.06 | 39.03 | 34.03 | a | 48.29 | |||||||||||
1984 | 33.71 | 31.03 | 38.74 | 44.40 | 55.90 | 61.37 | 67.42 | 66.29 | 63.03 | 46.81 | 37.50 | 35.48 | 48.47 | |||||||||||||
1985 | 31.61 | 30.74 | a | 35.94 | 45.07 | 52.48 | 64.10 | 67.84 | 66.94 | 56.13 | 51.71 | 37.72 | a | 31.90 | 47.68 | |||||||||||
1986 | 37.94 | 38.04 | 43.87 | 45.55 | a | 51.65 | 62.60 | 63.55 | 66.58 | 54.43 | 46.84 | 38.00 | 34.10 | 48.59 | ||||||||||||
1987 | 27.71 | 34.63 | a | 34.74 | 46.97 | 52.84 | 62.57 | 63.58 | 65.06 | 60.20 | 55.07 | a | 38.77 | 30.07 | c | 47.68 | ||||||||||
1988 | 29.35 | 34.83 | 36.68 | 44.77 | 50.65 | 58.83 | a | 64.13 | 62.52 | 53.00 | 52.55 | b | 35.07 | 31.55 | 46.16 | |||||||||||
1989 | 32.10 | j | 32.89 | i | 39.65 | h | 48.91 | h | 50.15 | d | 59.77 | 66.13 | 61.58 | 57.70 | 47.69 | b | 38.03 | 26.09 | i | 54.44 | e | |||||
1990 | 27.71 | j | 28.47 | i | 38.95 | i | 45.48 | i | 48.05 | i | 61.43 | i | 66.38 | e | 63.76 | f | 61.33 | i | 49.95 | j | 37.40 | j | 28.77 | 47.58 | j | |
1991 | 32.23 | 40.32 | 34.62 | b | 40.13 | 48.73 | a | 56.47 | 67.52 | 65.94 | 60.53 | 51.32 | 37.00 | b | 36.50 | a | 47.61 | |||||||||
1992 | 33.00 | 37.50 | a | 39.43 | a | 48.73 | 53.77 | a | 58.65 | d | 64.61 | 64.43 | a | 59.57 | 51.39 | 34.17 | 31.10 | 48.03 | ||||||||
1993 | 35.35 | 36.25 | 40.90 | 45.50 | 53.23 | 59.40 | 62.29 | c | 64.10 | 57.97 | 49.06 | 37.17 | 30.16 | 47.61 | ||||||||||||
1994 | 31.78 | d | 31.96 | 40.03 | 44.87 | 50.45 | 62.07 | 65.39 | 65.26 | 57.75 | b | 45.42 | 31.14 | a | 34.77 | 46.74 | ||||||||||
1995 | 33.90 | 39.96 | 40.48 | 42.70 | 49.39 | 59.83 | 66.00 | 67.61 | 61.36 | b | 50.21 | b | 44.57 | 35.62 | e | 49.30 | ||||||||||
1996 | 31.33 | g | 39.41 | 38.61 | 45.63 | 52.65 | 61.76 | a | 66.65 | 65.68 | 56.30 | 48.24 | b | 37.92 | d | 32.03 | 49.53 | a | ||||||||
1997 | 29.93 | b | 32.61 | 40.61 | 41.50 | 55.32 | 56.73 | 63.10 | 63.00 | a | 61.20 | 45.90 | 38.37 | 27.32 | 46.30 | |||||||||||
1998 | 31.10 | a | 32.67 | a | 39.06 | 41.27 | 47.87 | 53.97 | 67.17 | a | 69.65 | 61.90 | 47.84 | 39.20 | 32.55 | 47.02 | ||||||||||
1999 | 32.55 | 36.46 | 37.42 | 39.40 | 50.13 | 59.37 | 64.71 | 65.61 | c | 58.90 | 49.03 | 42.83 | 30.19 | 47.22 | ||||||||||||
2000 | 32.74 | 35.21 | 37.47 | a | 46.17 | 54.81 | 62.60 | 65.03 | 64.17 | b | 60.97 | a | 46.13 | a | 30.17 | 30.61 | 47.17 | |||||||||
2001 | 29.94 | 30.29 | 38.23 | 42.47 | 56.68 | 58.93 | 63.73 | a | 64.10 | 61.54 | b | 51.87 | 42.33 | 30.32 | 47.53 | |||||||||||
2002 | 30.58 | 33.36 | 35.74 | 45.33 | 49.58 | 63.13 | 68.90 | 65.80 | a | 59.17 | 50.00 | 41.72 | a | 33.48 | 48.07 | |||||||||||
2003 | 39.00 | b | 33.19 | a | 38.35 | 39.68 | b | 53.28 | b | 60.27 | 69.87 | 67.77 | 63.97 | 57.52 | 40.52 | a | 32.90 | 49.69 | ||||||||
2004 | 36.84 | 33.52 | b | 46.93 | b | 44.48 | a | 52.16 | 60.43 | 66.47 | a | 64.23 | a | 59.70 | 49.52 | b | 39.40 | 34.10 | 48.98 | |||||||
2005 | 36.68 | 39.29 | 38.81 | 43.77 | 54.15 | e | 59.71 | b | 68.21 | b | 64.71 | 60.03 | a | 53.07 | c | 41.50 | 32.86 | c | 49.40 | |||||||
2006 | 31.84 | 35.78 | a | 35.65 | 43.11 | b | 56.52 | 64.10 | 69.58 | 66.58 | 57.50 | 48.87 | a | 42.00 | 30.71 | 48.52 | ||||||||||
2007 | 29.77 | a | 33.93 | a | 40.97 | a | 45.63 | 55.84 | 62.10 | 68.00 | 67.97 | a | 61.47 | 50.68 | 46.47 | 29.40 | a | 49.35 | ||||||||
2008 | 30.29 | 33.76 | 37.77 | a | 41.21 | a | 48.16 | 61.48 | a | 68.26 | 66.97 | 60.67 | 53.03 | b | 41.07 | a | 31.90 | 47.88 | ||||||||
2009 | 34.93 | b | 35.79 | 39.19 | 43.42 | d | 57.76 | b | 59.38 | a | 70.53 | a | 66.00 | 61.00 | 46.37 | a | 43.30 | c | 31.84 | 49.13 | ||||||
2010 | 35.19 | d | 36.14 | 37.03 | a | 42.21 | a | 46.84 | 60.60 | 69.16 | 66.65 | ----- | z | ----- | z | ----- | z | ----- | z | 49.23 | d | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.87 | 33.26 | 36.40 | 42.12 | 49.73 | 58.05 | 65.07 | 63.84 | 58.20 | 48.56 | 37.57 | 30.89 | 46.30 | |||||||||||||
S.D. | 3.53 | 3.79 | 3.58 | 3.72 | 4.04 | 3.90 | 2.57 | 2.91 | 3.46 | 3.76 | 3.76 | 3.31 | 2.54 | |||||||||||||
SKEW | -0.09 | 0.13 | -0.01 | -0.40 | -0.19 | -0.73 | -0.20 | -0.74 | -0.65 | -0.20 | 0.03 | -0.93 | -0.87 | |||||||||||||
MAX | 39.00 | 42.67 | 46.93 | 48.73 | 57.76 | 64.10 | 70.53 | 69.65 | 63.97 | 57.52 | 46.47 | 36.50 | 49.69 | |||||||||||||
MIN | 23.19 | 24.00 | 28.39 | 32.59 | 40.65 | 47.23 | 59.71 | 56.00 | 48.28 | 38.48 | 30.17 | 20.00 | 39.58 | |||||||||||||
YRS | 60 | 60 | 60 | 61 | 62 | 63 | 66 | 64 | 61 | 61 | 59 | 63 | 48 |