YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.66 | b | 77.37 | 61.66 | b | 33.30 | g | 30.97 | 63.16 | h | ||
1949 | 19.26 | 29.86 | 42.32 | 57.10 | 62.97 | 71.43 | 83.26 | 82.90 | 74.17 | 54.39 | 53.87 | 34.77 | 55.52 | |||||||||||||
1950 | 31.39 | 39.04 | 39.32 | 52.07 | 58.63 | a | 75.37 | 79.45 | 79.84 | 69.96 | c | 66.71 | 45.23 | 40.45 | 56.45 | |||||||||||
1951 | 30.10 | 38.25 | 38.74 | 51.73 | 64.77 | 68.77 | 84.26 | 78.65 | 72.46 | f | 54.61 | 40.90 | 33.42 | e | 53.11 | a | ||||||||||
1952 | 32.32 | 34.34 | 35.10 | 54.62 | a | 64.68 | 78.23 | 82.71 | 80.97 | 76.23 | 66.68 | 41.68 | b | 36.80 | f | 58.87 | a | |||||||||
1953 | 40.32 | c | 34.83 | e | 46.53 | a | 50.38 | d | 58.39 | 77.15 | c | 87.10 | 80.66 | b | 77.48 | e | 65.31 | r | 49.41 | a | 36.21 | g | 60.22 | b | ||
1954 | 39.31 | b | 48.84 | i | 40.00 | c | 57.64 | b | 69.17 | a | 75.71 | b | 88.48 | 80.87 | h | 72.68 | e | 60.08 | g | 53.21 | b | 39.92 | f | 62.03 | d | |
1955 | 32.83 | a | 31.89 | a | 39.35 | 51.80 | 66.52 | 74.75 | j | 85.16 | l | 83.48 | 76.61 | b | 66.05 | k | 41.03 | a | 35.69 | e | 51.02 | c | ||||
1956 | 41.04 | f | 30.55 | 41.10 | 54.70 | 68.29 | 81.63 | 81.41 | n | 77.56 | d | 76.47 | 64.48 | d | 37.89 | b | 35.90 | b | 56.86 | b | ||||||
1957 | 29.66 | b | 40.81 | a | 43.68 | 50.53 | 60.75 | c | 72.39 | b | 82.13 | 81.82 | c | 68.87 | 60.30 | d | 37.60 | e | 40.07 | d | 55.72 | |||||
1958 | 37.48 | 44.11 | a | 39.23 | 50.36 | b | 71.13 | a | 79.03 | 81.18 | c | 82.97 | 74.46 | b | 63.97 | b | 50.20 | 40.03 | 59.51 | |||||||
1959 | 35.65 | 35.68 | 40.87 | 55.13 | 64.55 | 79.63 | 84.23 | 81.73 | a | 68.00 | 56.29 | 45.83 | 42.06 | 57.47 | ||||||||||||
1960 | 32.97 | 29.72 | 44.61 | 58.83 | 66.23 | 77.62 | a | 85.06 | 82.50 | a | 74.30 | 60.32 | 43.30 | 36.61 | 57.67 | |||||||||||
1961 | 38.42 | 39.39 | 44.39 | 52.97 | 67.23 | 78.97 | 82.42 | 81.90 | 63.63 | 57.19 | 40.13 | 31.48 | 56.51 | |||||||||||||
1962 | 30.67 | a | 35.68 | 38.10 | 58.47 | 66.39 | 74.60 | 81.77 | 81.19 | 73.07 | 63.45 | 50.80 | 40.42 | 57.88 | ||||||||||||
1963 | 27.77 | 42.04 | 43.45 | 53.23 | 69.81 | 76.40 | 85.35 | 79.87 | 75.50 | 66.29 | 50.23 | 37.00 | 58.91 | |||||||||||||
1964 | 30.00 | 28.86 | 35.03 | 50.17 | 66.16 | 72.20 | 86.48 | 79.16 | 71.10 | 62.39 | 42.50 | 33.32 | 54.78 | |||||||||||||
1965 | 36.32 | 35.89 | 34.87 | 54.13 | 61.68 | 72.97 | 80.52 | 77.32 | 60.63 | 65.03 | 49.10 | 39.45 | 55.66 | |||||||||||||
1966 | 33.90 | 33.57 | 50.17 | a | 55.66 | a | 71.13 | a | 74.50 | j | 87.89 | l | 80.58 | 73.13 | 56.90 | 47.41 | a | 34.16 | 53.66 | b | ||||||
1967 | 33.90 | 36.32 | 45.71 | 53.43 | 60.39 | 69.53 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.88 | f | ||||||
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.45 | 77.39 | 71.40 | 60.87 | 40.07 | 33.94 | 61.35 | f | ||||||
1969 | 38.81 | 38.21 | 37.55 | 58.07 | 71.65 | 69.60 | 85.74 | 85.55 | 76.23 | 47.48 | 44.23 | 38.71 | 57.65 | |||||||||||||
1970 | 32.94 | 42.57 | 38.65 | 46.73 | 67.29 | 76.21 | a | 84.03 | 84.32 | 69.23 | 52.39 | 42.33 | 35.10 | 55.98 | ||||||||||||
1971 | 32.43 | a | 34.57 | 40.84 | 55.37 | 63.81 | 78.97 | 84.26 | 85.94 | 69.62 | a | 58.03 | 42.97 | 31.94 | 56.56 | |||||||||||
1972 | 32.97 | 38.69 | 51.42 | 57.57 | 67.16 | 77.27 | 83.42 | 81.68 | 71.33 | 57.00 | 37.27 | 30.87 | 57.22 | |||||||||||||
1973 | 28.32 | 34.32 | 39.16 | 45.37 | 63.97 | 76.03 | 81.03 | 82.71 | 69.87 | 63.74 | 42.83 | 36.06 | 55.29 | |||||||||||||
1974 | 30.52 | 36.57 | 47.77 | 53.00 | 69.90 | 79.70 | 83.68 | 80.61 | 72.33 | 62.97 | 45.83 | 33.87 | 58.06 | |||||||||||||
1975 | 32.13 | 35.04 | 41.77 | 49.70 | 62.29 | 72.57 | 83.77 | 80.97 | 71.97 | 61.52 | 44.73 | 37.39 | 56.15 | |||||||||||||
1976 | 34.29 | 40.93 | 43.52 | 56.47 | 67.84 | 74.27 | 85.73 | a | 80.65 | 73.83 | 59.39 | 46.23 | 39.77 | 58.58 | ||||||||||||
1977 | 33.47 | a | 42.89 | 42.10 | 58.66 | a | 68.06 | 84.10 | 83.77 | 80.35 | 76.00 | 63.52 | 45.13 | 38.61 | 59.72 | |||||||||||
1978 | 34.39 | 36.92 | b | 48.13 | 57.20 | 61.71 | 76.67 | 84.97 | 78.81 | 72.30 | 63.13 | 43.50 | 25.65 | 56.95 | ||||||||||||
1979 | 21.84 | 35.21 | 42.23 | 55.33 | 63.35 | 77.53 | 84.48 | 78.35 | 77.57 | 61.90 | 35.73 | 40.03 | 56.13 | |||||||||||||
1980 | 30.23 | 38.07 | 40.06 | 53.70 | 63.65 | 79.17 | 84.17 | a | 80.16 | 72.77 | 59.29 | 46.52 | a | 44.71 | 57.71 | |||||||||||
1981 | 43.65 | 41.46 | 47.68 | 61.40 | 61.06 | 78.37 | 82.61 | 81.39 | 76.20 | 55.16 | 47.93 | 37.84 | 59.56 | |||||||||||||
1982 | 32.23 | 36.48 | a | 45.47 | a | 54.03 | a | 63.07 | a | 73.24 | a | 81.93 | a | 82.63 | a | 69.73 | 55.35 | 39.90 | 33.55 | 55.63 | ||||||
1983 | 38.68 | 39.82 | 42.81 | 46.90 | 60.19 | 71.93 | 81.97 | 83.73 | a | 74.57 | 62.00 | 42.10 | a | 26.77 | a | 55.96 | ||||||||||
1984 | 30.26 | 36.00 | 39.68 | 47.07 | 67.74 | 72.83 | a | 82.61 | 81.48 | 70.60 | 51.74 | 45.10 | 34.58 | 54.97 | ||||||||||||
1985 | 27.70 | a | 31.64 | 45.13 | 58.80 | 68.19 | 77.23 | 82.77 | 82.40 | a | 67.33 | 59.00 | 37.83 | 32.13 | 55.85 | |||||||||||
1986 | 40.29 | 39.46 | 53.97 | 54.40 | 65.90 | 80.47 | 79.35 | 81.52 | 67.13 | 57.43 | a | 42.93 | 38.16 | 58.42 | ||||||||||||
1987 | 33.10 | 39.54 | 41.90 | 61.62 | a | 65.68 | 75.41 | a | 80.06 | 76.81 | 72.00 | 62.19 | 42.30 | 31.42 | 56.84 | |||||||||||
1988 | 27.52 | 35.72 | 39.52 | 60.03 | 65.58 | 80.40 | 84.26 | 81.58 | 69.70 | 64.97 | 40.45 | a | 34.61 | 57.03 | ||||||||||||
1989 | 35.13 | 26.48 | a | 49.29 | 59.23 | 68.45 | 74.73 | 83.29 | 78.35 | 72.23 | 60.26 | 45.77 | 33.46 | e | 57.22 | |||||||||||
1990 | 36.65 | k | 34.00 | 47.10 | 57.60 | 64.29 | 78.23 | 79.48 | 79.45 | 75.40 | 58.60 | a | 46.03 | 29.23 | 59.04 | a | ||||||||||
1991 | 30.90 | 43.43 | 45.16 | 52.77 | 66.32 | 75.83 | 79.84 | 80.16 | 70.50 | 60.65 | 37.03 | 36.03 | 56.55 | |||||||||||||
1992 | 33.35 | 39.69 | 48.61 | 61.33 | 68.10 | a | 72.83 | 76.26 | 78.87 | 72.53 | 62.90 | 35.77 | 32.03 | 56.86 | ||||||||||||
1993 | 33.68 | 31.11 | 43.71 | 50.63 | 64.61 | 71.17 | 78.42 | 76.84 | 69.17 | 55.00 | 36.97 | 33.71 | 53.75 | |||||||||||||
1994 | 34.87 | 34.64 | 49.42 | 56.63 | 70.39 | 79.80 | 82.32 | 82.26 | 73.03 | 56.61 | 40.50 | 38.94 | 58.28 | |||||||||||||
1995 | 34.65 | 42.04 | 47.23 | a | 51.60 | 56.61 | 71.17 | 78.71 | 82.77 | 70.23 | 57.32 | 47.00 | 39.52 | 56.57 | ||||||||||||
1996 | 32.58 | 39.97 | 44.94 | 54.77 | 65.13 | 77.57 | 83.77 | 82.58 | 69.07 | 56.58 | 44.90 | 34.94 | 57.23 | |||||||||||||
1997 | 31.74 | 32.54 | 49.58 | 49.57 | 65.74 | 75.80 | 81.68 | 78.61 | 71.73 | 58.71 | 41.33 | 32.26 | 55.77 | |||||||||||||
1998 | 37.61 | 37.79 | 42.71 | 54.20 | 67.06 | 70.20 | 82.97 | 80.68 | 75.67 | 57.68 | 46.33 | 34.10 | 57.25 | |||||||||||||
1999 | 36.33 | a | 40.57 | 51.90 | 52.00 | 63.66 | b | 74.80 | 83.76 | b | 80.33 | a | 68.93 | a | 63.74 | 55.70 | 35.33 | a | 58.92 | |||||||
2000 | 37.63 | a | 42.83 | 47.57 | a | 61.86 | b | 71.86 | b | 79.34 | a | 86.62 | e | 84.80 | a | 71.37 | 59.17 | a | 31.50 | b | 33.00 | 58.96 | ||||
2001 | 30.12 | f | 36.45 | f | 45.54 | c | 57.61 | b | 68.43 | a | 81.46 | f | 86.68 | c | 84.43 | j | 75.56 | c | 67.42 | s | 51.96 | e | 34.37 | a | 60.02 | e |
2002 | 32.07 | c | 37.08 | c | 40.00 | 60.50 | 67.77 | a | 82.46 | b | 87.23 | a | 81.36 | f | 76.23 | q | 52.54 | c | 41.64 | b | 37.10 | a | 53.84 | b | ||
2003 | 40.61 | 34.32 | 44.59 | b | 58.80 | e | 65.34 | b | 73.17 | 88.67 | a | 83.47 | a | 70.70 | 65.90 | 35.85 | c | 37.61 | c | 58.25 | ||||||
2004 | 35.23 | 35.19 | b | 52.45 | b | 57.50 | 68.10 | a | 75.03 | a | 81.97 | a | 77.26 | 68.93 | b | 58.57 | c | 43.07 | 36.23 | a | 57.46 | |||||
2005 | 38.11 | d | 37.61 | 45.20 | a | 56.64 | b | 65.72 | b | 73.40 | 86.23 | 79.57 | a | 74.61 | g | 59.77 | 44.37 | 33.57 | c | 56.38 | a | |||||
2006 | 37.48 | 34.14 | 43.50 | a | 61.25 | b | 70.43 | a | 81.52 | a | 85.65 | 80.20 | a | 66.53 | 54.00 | a | 46.07 | b | 32.57 | a | 57.78 | |||||
2007 | 24.73 | a | 36.96 | 50.87 | a | 57.03 | 67.53 | a | 80.69 | a | 86.33 | a | 83.32 | 72.73 | 60.27 | i | 50.57 | 27.65 | n | 61.08 | b | |||||
2008 | 30.26 | l | 34.24 | l | 41.57 | x | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.36 | 36.70 | 43.81 | 54.93 | 65.73 | 76.02 | 83.33 | 80.97 | 71.96 | 59.59 | 43.77 | 35.37 | 57.05 | |||||||||||||
S.D. | 4.56 | 3.98 | 4.55 | 4.07 | 3.43 | 3.61 | 2.60 | 2.18 | 3.47 | 4.22 | 4.99 | 3.68 | 1.36 | |||||||||||||
SKEW | -0.52 | -0.26 | 0.14 | -0.30 | -0.45 | -0.03 | -0.29 | 0.01 | -0.63 | -0.40 | 0.10 | -0.09 | 0.01 | |||||||||||||
MAX | 43.65 | 44.11 | 53.97 | 61.86 | 71.86 | 84.10 | 88.67 | 85.94 | 77.57 | 66.71 | 55.70 | 44.71 | 59.72 | |||||||||||||
MIN | 19.26 | 26.48 | 34.87 | 45.37 | 56.61 | 68.77 | 76.26 | 76.81 | 60.63 | 47.48 | 31.50 | 25.65 | 53.75 | |||||||||||||
YRS | 55 | 56 | 58 | 58 | 58 | 55 | 55 | 56 | 56 | 54 | 58 | 55 | 45 |