YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | 71.43 | h | 82.30 | 85.97 | 84.10 | 68.70 | 65.23 | 45.67 | 32.10 | 66.29 | e | |||||||
1950 | 27.94 | 28.11 | 34.39 | 49.63 | 69.10 | 77.13 | 79.39 | 76.03 | 71.53 | 65.16 | 38.40 | 22.45 | 53.27 | |||||||||||||
1951 | 21.65 | 29.04 | 34.48 | 51.07 | 73.06 | 75.30 | 81.32 | 76.90 | 68.27 | 59.39 | 34.87 | 27.19 | 52.71 | |||||||||||||
1952 | 27.35 | 34.14 | 37.77 | 60.77 | 69.03 | 80.53 | 83.65 | 78.13 | 74.03 | 58.83 | a | 43.90 | 30.29 | 56.54 | ||||||||||||
1953 | 26.90 | 28.46 | 39.42 | 48.40 | ----- | z | ----- | z | ----- | z | ----- | z | 74.85 | j | 68.50 | g | 47.89 | b | 32.16 | 37.21 | f | |||||
1954 | 24.74 | 38.21 | 37.29 | 58.23 | 60.81 | 78.20 | 79.97 | ----- | z | 67.38 | i | 56.26 | 44.63 | 29.13 | 50.75 | b | ||||||||||
1955 | 24.00 | 25.73 | b | 37.58 | 62.29 | b | 70.74 | 75.33 | c | 86.03 | a | 84.39 | 74.07 | 58.45 | 36.13 | 24.13 | 54.91 | |||||||||
1956 | 26.16 | 27.28 | 34.23 | a | 51.83 | 65.42 | e | 78.19 | d | 77.71 | 78.35 | 69.73 | 65.23 | 40.21 | a | 31.29 | 53.80 | |||||||||
1957 | 18.74 | d | 31.79 | 40.00 | 54.83 | 64.84 | 75.83 | g | 83.00 | p | 76.21 | c | 69.27 | 56.32 | 38.80 | 32.84 | 48.36 | b | ||||||||
1958 | 26.13 | 22.79 | 39.55 | 57.00 | 70.81 | 72.63 | 78.84 | 82.74 | 72.72 | a | 62.13 | 45.43 | 23.29 | 54.51 | ||||||||||||
1959 | 18.61 | 24.25 | 37.39 | 55.34 | a | 72.27 | a | 77.17 | 78.83 | h | 81.04 | f | 71.83 | a | 52.06 | 32.87 | 35.29 | 47.71 | b | |||||||
1960 | 26.77 | 27.72 | 31.13 | a | 57.27 | 66.06 | 72.14 | i | 82.64 | i | 79.32 | 71.87 | 58.40 | a | 45.14 | a | 28.26 | 49.19 | b | |||||||
1961 | 24.29 | 35.54 | 40.53 | a | 49.43 | 66.00 | a | 78.50 | 79.61 | 80.19 | 68.97 | a | 60.39 | 40.93 | 24.32 | 54.06 | ||||||||||
1962 | 20.65 | 24.29 | 35.53 | a | 53.17 | a | 70.58 | 75.70 | 77.13 | 79.65 | 67.80 | 59.29 | 43.20 | 27.06 | 52.84 | |||||||||||
1963 | 12.61 | 24.36 | 42.47 | a | 58.83 | 66.77 | 81.37 | 83.94 | 78.52 | 72.30 | 69.81 | 47.50 | 19.55 | 54.83 | ||||||||||||
1964 | 31.90 | 35.66 | 37.74 | 57.17 | a | 72.87 | 78.60 | 85.17 | a | 77.35 | 68.87 | 57.63 | a | 46.83 | 24.45 | 56.19 | ||||||||||
1965 | 20.29 | x | 25.82 | 32.06 | 52.03 | 72.87 | 77.57 | 80.71 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.84 | f | ||||||
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | 69.55 | 68.83 | 79.97 | b | ----- | z | 71.29 | f | 54.97 | 41.57 | 28.10 | b | 57.16 | f | ||||
1970 | 17.50 | a | 31.67 | m | 36.46 | c | 57.69 | a | 69.90 | 78.76 | a | 83.72 | b | 80.61 | 70.10 | a | 60.00 | p | 40.27 | 28.30 | a | 56.33 | b | |||
1971 | 18.38 | b | 24.96 | b | 37.24 | b | 59.45 | a | 67.79 | c | 81.31 | a | 78.03 | b | 78.77 | 73.17 | 63.97 | a | 41.63 | 29.61 | 54.53 | |||||
1972 | 21.83 | a | 24.73 | c | 35.90 | 50.46 | b | 74.04 | c | ----- | z | 78.03 | 79.21 | c | ----- | z | ----- | z | ----- | z | ----- | z | 52.03 | e | ||
1973 | ----- | z | ----- | z | 48.74 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.74 | k | |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.41 | d | 77.65 | 66.36 | b | 61.46 | e | 42.12 | d | 31.04 | d | 60.50 | f | |
1975 | 25.38 | b | 27.36 | 34.03 | 48.86 | a | 72.32 | 77.00 | 83.37 | a | 81.65 | 65.87 | 63.61 | 49.41 | a | 28.80 | a | 54.80 | ||||||||
1976 | 23.00 | 36.69 | 42.42 | 60.03 | 67.77 | 81.50 | 85.68 | 82.42 | 74.60 | 54.45 | 36.93 | 22.10 | 55.63 | |||||||||||||
1977 | 10.58 | 30.07 | 46.67 | a | 65.83 | 79.26 | 77.17 | 85.00 | a | 76.45 | 69.50 | 57.48 | 40.13 | 23.71 | 55.15 | |||||||||||
1978 | 17.67 | a | 22.61 | ----- | z | ----- | z | 70.92 | f | 77.87 | 78.23 | 80.42 | 76.20 | 57.00 | ----- | z | 25.26 | 54.41 | d | |||||||
1979 | 12.19 | 22.36 | 38.03 | 51.60 | 68.17 | a | ----- | z | 80.42 | 77.42 | 74.23 | 56.45 | 40.37 | 35.83 | a | 50.64 | a | |||||||||
1980 | 23.87 | ----- | z | 36.77 | 58.77 | 73.55 | 80.20 | 85.83 | a | ----- | z | 71.33 | ----- | z | 43.90 | 28.00 | 55.80 | c | ||||||||
1981 | 28.55 | 32.14 | 46.53 | a | 59.97 | 68.61 | 77.37 | 81.20 | a | 78.39 | 69.14 | a | 55.94 | 45.63 | 26.45 | 55.83 | ||||||||||
1982 | 16.07 | b | 28.61 | 37.13 | 53.79 | a | 71.33 | a | 73.90 | a | 83.97 | 78.94 | 69.45 | a | 59.19 | 40.90 | 34.77 | a | 54.00 | |||||||
1983 | 26.74 | 33.81 | a | 40.67 | a | 51.33 | 63.11 | c | 79.21 | b | ----- | z | 84.77 | a | 72.00 | a | 57.17 | b | 41.83 | 17.61 | 51.66 | a | ||||
1984 | 22.32 | 37.76 | 34.81 | 55.93 | a | 65.62 | b | 79.30 | 81.71 | 83.19 | 71.40 | 60.48 | 42.07 | b | 30.45 | 55.42 | ||||||||||
1985 | 21.20 | a | ----- | z | 46.23 | a | 63.43 | 74.73 | a | ----- | z | 85.07 | b | 77.87 | a | 69.13 | ----- | z | ----- | z | 18.81 | 57.06 | d | |||
1986 | 26.03 | a | ----- | z | 45.71 | 62.43 | 71.97 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.54 | h | |||
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.03 | 46.00 | ----- | z | 50.02 | j | ||
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 87.45 | a | 89.87 | 87.23 | 74.80 | ----- | z | 43.83 | ----- | z | 76.64 | g | ||||
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | 34.14 | 43.52 | 59.43 | 71.27 | a | 80.30 | 79.74 | 78.90 | 67.87 | 57.32 | 33.77 | 29.58 | 57.80 | a | ||||||||||
1992 | 27.61 | 33.52 | 40.23 | a | 51.20 | 71.74 | 74.76 | a | 74.39 | 74.70 | a | 68.34 | a | 56.29 | 35.03 | 27.55 | 52.95 | |||||||||
1993 | 24.87 | 25.86 | 37.19 | 51.73 | 66.39 | 73.67 | 77.06 | 78.24 | b | 62.93 | 57.53 | a | 37.73 | 27.81 | 51.75 | |||||||||||
1994 | 14.16 | 23.29 | 43.40 | a | 57.90 | 69.68 | 80.40 | 77.23 | 74.42 | 71.60 | 58.71 | 44.13 | 31.87 | a | 53.90 | |||||||||||
1995 | 24.13 | a | 27.82 | 43.45 | 51.70 | 67.10 | a | 80.07 | 81.61 | 83.39 | 68.87 | 57.47 | a | 32.77 | 23.76 | b | 53.51 | |||||||||
1996 | 19.94 | 27.25 | a | 35.19 | 53.37 | 63.48 | 75.63 | 77.13 | 79.27 | a | 69.87 | 58.32 | 32.33 | 24.35 | 51.34 | |||||||||||
1997 | 20.00 | 29.08 | b | 39.61 | 54.77 | 63.26 | 78.24 | a | 78.77 | 72.90 | a | 69.38 | a | 58.81 | 34.86 | a | 31.03 | 52.56 | ||||||||
1998 | 26.06 | 37.93 | 39.77 | a | 59.80 | 74.94 | 74.00 | 80.06 | 78.48 | 76.20 | 58.71 | 44.40 | 33.63 | a | 57.00 | |||||||||||
1999 | 19.84 | 35.21 | 42.71 | 58.80 | 69.67 | a | 76.60 | 83.81 | 76.47 | a | 69.77 | 59.23 | 50.47 | 33.13 | a | 56.31 | ||||||||||
2000 | 24.52 | 36.86 | 49.97 | 57.97 | 69.10 | a | 73.73 | 78.33 | a | 78.68 | 70.62 | a | 62.00 | 38.47 | 15.20 | a | 54.62 | |||||||||
2001 | 27.23 | 24.32 | 37.42 | 61.10 | 67.32 | 75.50 | 82.63 | a | 80.61 | 67.63 | 56.03 | 53.80 | 35.26 | 55.74 | ||||||||||||
2002 | 33.45 | 36.64 | 35.81 | 55.53 | 66.37 | a | 77.80 | 83.77 | 78.06 | 73.67 | 50.65 | 40.69 | a | 33.47 | a | 55.49 | ||||||||||
2003 | 23.35 | 25.71 | 40.94 | 57.83 | 66.47 | a | 76.21 | a | 80.68 | 83.97 | 70.83 | 58.42 | 40.73 | 31.97 | a | 54.76 | ||||||||||
2004 | 20.19 | 30.25 | a | 43.74 | 60.00 | 67.58 | 74.27 | 77.55 | 73.29 | 75.37 | 58.23 | a | 45.17 | 29.16 | 54.57 | |||||||||||
2005 | 21.94 | 33.04 | 39.13 | 61.97 | 65.00 | 82.47 | 84.16 | 79.84 | 75.83 | 60.77 | a | 43.71 | b | 22.58 | 55.87 | |||||||||||
2006 | 34.55 | 28.61 | 40.42 | 62.03 | 68.29 | 77.83 | a | 86.45 | 78.73 | a | 66.20 | 53.13 | 45.27 | 34.05 | i | 58.32 | a | |||||||||
2007 | ----- | z | ----- | z | 52.65 | h | 55.60 | 73.57 | a | 80.30 | 82.29 | 77.86 | b | 72.28 | a | 61.19 | 40.73 | d | 23.42 | 63.03 | c | |||||
2008 | 20.47 | a | 23.04 | a | 35.74 | 54.40 | 65.58 | 76.14 | b | 81.03 | a | 78.13 | 70.93 | c | 55.97 | b | 40.89 | b | 23.07 | b | 52.12 | |||||
2009 | 16.81 | 30.25 | 43.26 | 56.70 | 67.70 | a | 75.07 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.30 | f | |||||
2010 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2011 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2012 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 22.74 | 29.49 | 39.40 | 56.30 | 69.05 | 77.64 | 81.50 | 79.19 | 70.75 | 58.69 | 41.71 | 27.70 | 54.42 | |||||||||||||
S.D. | 5.21 | 4.86 | 4.29 | 4.30 | 3.65 | 3.17 | 3.30 | 3.04 | 2.93 | 3.66 | 4.75 | 4.90 | 1.44 | |||||||||||||
SKEW | -0.17 | 0.31 | 0.48 | -0.03 | 0.23 | 0.19 | 0.17 | 0.41 | -0.07 | 0.58 | -0.04 | -0.42 | -0.33 | |||||||||||||
MAX | 34.55 | 38.21 | 49.97 | 65.83 | 79.26 | 87.45 | 89.87 | 87.23 | 76.20 | 69.81 | 53.80 | 35.83 | 57.00 | |||||||||||||
MIN | 10.58 | 22.36 | 31.13 | 48.40 | 60.81 | 68.83 | 74.39 | 72.90 | 62.93 | 50.65 | 32.33 | 15.20 | 51.34 | |||||||||||||
YRS | 47 | 45 | 49 | 49 | 49 | 46 | 47 | 46 | 47 | 46 | 49 | 48 | 32 |