YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | 18.11 | m | 26.65 | b | 40.68 | i | 57.93 | a | 73.32 | 80.53 | 82.84 | 85.00 | 74.31 | a | 54.19 | 35.00 | b | 37.53 | a | 60.73 | b | |||||
1960 | 29.48 | 30.24 | 33.19 | 60.90 | 67.40 | a | 75.17 | 82.13 | 82.29 | 74.31 | a | 61.77 | 47.52 | e | 30.55 | 56.25 | ||||||||||
1961 | 27.50 | a | 38.14 | 42.13 | 52.10 | 69.68 | 81.07 | 83.55 | 83.94 | 71.00 | 61.83 | b | 42.00 | b | 27.58 | 56.71 | ||||||||||
1962 | 21.97 | 26.29 | 38.61 | 55.50 | 73.71 | 78.17 | 79.19 | 82.19 | 70.27 | 62.48 | 46.23 | 29.57 | a | 55.35 | ||||||||||||
1963 | 14.29 | 25.64 | 45.81 | 60.27 | 68.58 | 84.93 | a | 86.48 | 81.48 | d | 73.33 | 72.19 | 49.53 | 19.40 | a | 56.83 | ||||||||||
1964 | 33.06 | 38.28 | 39.68 | 58.40 | 74.97 | 81.37 | 87.32 | 79.52 | 72.50 | 60.97 | 49.33 | 26.31 | b | 58.48 | ||||||||||||
1965 | 24.84 | 28.54 | 32.26 | 52.57 | 72.83 | b | 77.83 | 83.26 | 79.35 | 68.33 | 62.19 | ----- | z | 38.35 | 56.40 | a | ||||||||||
1966 | 20.52 | 31.86 | 47.81 | 54.93 | 67.26 | 81.50 | 87.47 | a | 81.61 | 78.58 | f | 65.42 | 46.57 | 31.67 | a | 56.05 | a | |||||||||
1967 | 30.32 | 26.46 | 44.84 | 58.80 | 66.84 | 80.17 | 81.97 | 78.58 | 72.73 | 59.87 | 41.00 | 32.52 | 56.17 | |||||||||||||
1968 | 27.94 | 29.83 | 54.90 | 61.67 | 67.71 | 80.53 | 82.65 | 81.60 | a | 72.63 | 65.23 | 43.87 | 33.43 | c | 58.50 | |||||||||||
1969 | 23.03 | 32.71 | 39.00 | 54.60 | e | 73.42 | 72.43 | 83.71 | 85.69 | b | ----- | z | ----- | z | 48.23 | 33.32 | 54.62 | b | ||||||||
1970 | 20.68 | 34.21 | 41.61 | 62.20 | 74.26 | 81.31 | a | 87.55 | 85.16 | ----- | z | ----- | z | 45.33 | 33.77 | 56.61 | b | |||||||||
1971 | 20.74 | d | 29.86 | 37.81 | 62.00 | 70.57 | a | 84.30 | 80.96 | e | 81.00 | h | 73.96 | g | 68.84 | 46.93 | 33.16 | 53.52 | b | |||||||
1972 | 24.00 | 28.31 | 39.26 | 54.17 | 75.87 | 79.57 | 80.94 | 80.29 | 72.50 | 57.45 | 40.93 | 27.73 | a | 55.08 | ||||||||||||
1973 | ----- | z | 35.70 | a | 52.35 | 56.57 | 65.68 | 79.62 | a | ----- | z | 82.97 | a | ----- | z | ----- | z | ----- | z | 26.14 | c | 57.00 | e | |||
1974 | 27.26 | 32.39 | 47.92 | f | 60.89 | b | 66.52 | 77.21 | a | 86.16 | 82.00 | 71.20 | 64.47 | a | ----- | z | 34.45 | 60.25 | b | |||||||
1975 | 30.42 | 31.64 | 38.77 | 52.13 | 76.00 | 80.10 | 87.03 | 84.53 | a | 71.73 | 69.26 | 53.53 | 35.03 | 59.18 | ||||||||||||
1976 | 27.35 | ----- | z | 46.97 | a | 62.47 | 70.35 | 83.87 | 89.16 | 85.80 | a | 78.57 | 60.71 | c | 42.60 | 25.70 | a | 61.23 | a | |||||||
1977 | 14.72 | f | ----- | z | 51.06 | 67.63 | 81.35 | 80.45 | a | 87.16 | 80.87 | 72.97 | a | 63.23 | e | ----- | z | ----- | z | 73.09 | d | |||||
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 80.56 | v | 77.80 | 58.93 | b | 46.10 | 29.42 | 53.06 | h | |||
1979 | 15.94 | 23.57 | 39.19 | 54.37 | 68.68 | 77.70 | 83.35 | 77.71 | 76.20 | 57.87 | 43.00 | 38.52 | 54.67 | |||||||||||||
1980 | 26.13 | a | 28.14 | 38.06 | 58.90 | a | 73.77 | 78.30 | 86.55 | 81.35 | 71.24 | a | 54.97 | 47.17 | 30.23 | 56.23 | ||||||||||
1981 | 29.16 | 32.86 | 45.87 | 60.28 | a | 69.77 | 78.08 | f | 81.71 | ----- | z | 69.67 | 55.87 | 48.50 | 27.16 | 52.08 | b | |||||||||
1982 | 15.71 | x | 39.08 | p | 40.10 | 53.93 | a | 70.84 | 73.63 | 83.35 | 78.16 | 68.80 | 60.16 | 42.17 | 36.50 | a | 60.76 | b | ||||||||
1983 | 28.26 | 34.68 | 41.74 | 50.79 | a | 62.35 | 80.33 | 86.35 | 87.16 | 72.70 | 58.48 | 45.36 | b | 18.93 | b | 55.60 | ||||||||||
1984 | 23.42 | 38.72 | 35.84 | 56.20 | 64.81 | 79.07 | 81.58 | 83.68 | 70.43 | 62.73 | a | 45.10 | 32.83 | a | 56.20 | |||||||||||
1985 | 22.39 | 28.39 | 46.00 | 63.30 | 74.06 | 75.93 | 84.58 | 77.68 | 72.57 | 60.55 | 36.90 | 21.13 | 55.29 | |||||||||||||
1986 | 26.84 | 26.86 | 46.55 | 61.13 | 70.13 | 77.37 | 82.65 | 76.06 | 68.66 | a | 58.52 | 38.93 | b | 30.74 | 55.37 | |||||||||||
1987 | 28.81 | 38.14 | 45.65 | 62.00 | 72.06 | 81.45 | a | 83.94 | 76.87 | 70.70 | 54.55 | 46.07 | 31.87 | 57.67 | ||||||||||||
1988 | 22.26 | 25.41 | 43.42 | 58.73 | 75.45 | 84.20 | 87.45 | 83.94 | 73.73 | 53.61 | 42.34 | a | 30.32 | 56.74 | ||||||||||||
1989 | 33.33 | a | 22.21 | 38.41 | b | 55.10 | 67.10 | 75.43 | 82.68 | 78.94 | 69.77 | 60.81 | 39.17 | 20.36 | c | 53.61 | ||||||||||
1990 | 36.20 | a | 34.15 | a | 45.65 | 57.97 | 62.94 | 76.33 | 80.39 | 79.23 | 73.17 | 57.45 | 48.97 | 27.39 | 56.65 | |||||||||||
1991 | 21.58 | 34.43 | 44.32 | 58.50 | 71.00 | 81.00 | 80.52 | 80.10 | 68.83 | 57.23 | 36.60 | 31.42 | 55.46 | |||||||||||||
1992 | 29.10 | 35.52 | 41.35 | 51.40 | 70.42 | 74.67 | 75.26 | 75.77 | 68.00 | 58.71 | 38.07 | 29.90 | 54.01 | |||||||||||||
1993 | 25.65 | 27.14 | 38.03 | 51.00 | 67.32 | 73.07 | 77.77 | 78.87 | 63.93 | 56.77 | 40.67 | 30.23 | 52.54 | |||||||||||||
1994 | 15.90 | 24.07 | 43.10 | 56.90 | 69.71 | 79.41 | a | 77.45 | 75.19 | 72.17 | 60.58 | 47.63 | 35.65 | 54.81 | ||||||||||||
1995 | 26.10 | 31.07 | 44.55 | 50.23 | 65.61 | 80.83 | 82.48 | 83.16 | 69.07 | 59.42 | 34.97 | 26.65 | 54.51 | |||||||||||||
1996 | 23.35 | 27.17 | 35.65 | 52.20 | 62.06 | 75.00 | 78.81 | 80.00 | 71.30 | 59.74 | 34.93 | 27.74 | 52.33 | |||||||||||||
1997 | 21.32 | 31.79 | 41.87 | 54.37 | 62.13 | 79.40 | 79.10 | 75.10 | 72.69 | a | 60.26 | 39.43 | 34.84 | 54.36 | ||||||||||||
1998 | 29.84 | 41.18 | 41.68 | 59.77 | 74.61 | 75.87 | 82.06 | 79.87 | 77.60 | 60.55 | 47.55 | a | 38.35 | 59.08 | ||||||||||||
1999 | 22.81 | 37.61 | 44.39 | 59.13 | 70.00 | 78.47 | 84.68 | 78.39 | 71.33 | 59.84 | 54.47 | 34.48 | 57.97 | |||||||||||||
2000 | 27.87 | 38.24 | 51.23 | 57.20 | 69.68 | 74.17 | 79.16 | 79.94 | 71.93 | 64.35 | 42.00 | a | 20.52 | 56.36 | ||||||||||||
2001 | 30.90 | 27.54 | 39.58 | 61.07 | 69.61 | 74.87 | 84.65 | 82.74 | 69.50 | 58.35 | 56.53 | 38.94 | 57.86 | |||||||||||||
2002 | 35.77 | 38.79 | 38.52 | 55.03 | 65.26 | 78.69 | a | 84.52 | 79.97 | a | 75.07 | 54.35 | 43.67 | 35.00 | 57.05 | |||||||||||
2003 | 25.97 | 27.11 | 41.81 | 56.90 | 67.58 | 76.33 | 81.13 | 85.42 | 73.10 | 61.26 | 43.85 | c | 36.45 | 56.41 | ||||||||||||
2004 | 22.45 | 31.62 | 45.48 | 60.20 | 66.58 | 75.00 | 79.16 | 74.77 | a | 77.27 | 60.55 | 47.70 | 32.03 | 56.07 | ||||||||||||
2005 | 24.94 | 35.96 | 41.26 | 63.00 | 64.76 | b | 83.73 | 84.97 | 82.00 | 78.67 | 64.06 | 46.63 | 27.39 | 58.11 | ||||||||||||
2006 | 37.90 | 31.43 | 44.43 | a | 65.07 | 68.77 | 79.50 | 86.35 | 80.94 | 68.60 | 55.81 | 49.00 | a | 37.61 | 58.78 | |||||||||||
2007 | 32.32 | 22.57 | 47.87 | 56.10 | 73.87 | 80.67 | 84.06 | 80.35 | 75.52 | a | 67.06 | 45.80 | 28.71 | 57.91 | ||||||||||||
2008 | 26.23 | a | 24.83 | 38.77 | 55.57 | 67.80 | a | 77.90 | 82.83 | a | 80.55 | 73.76 | a | 59.71 | 45.43 | 27.39 | 55.06 | |||||||||
2009 | 20.26 | 35.08 | c | 44.45 | 57.30 | 69.82 | c | 76.75 | b | 76.58 | 77.52 | 75.13 | 52.42 | 51.90 | 29.63 | a | 55.57 | |||||||||
2010 | 25.28 | b | 31.32 | 51.26 | 62.93 | p | 69.60 | a | 76.63 | 81.48 | 81.48 | 68.45 | a | ----- | z | ----- | z | ----- | z | 60.69 | d | |||||
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 |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.99 | 31.13 | 42.70 | 57.59 | 69.70 | 78.64 | 82.94 | 80.73 | 72.21 | 60.33 | 44.58 | 30.69 | 56.18 | |||||||||||||
S.D. | 5.14 | 4.90 | 4.87 | 4.01 | 4.05 | 3.07 | 3.18 | 3.03 | 3.09 | 4.15 | 5.02 | 5.13 | 1.70 | |||||||||||||
SKEW | 0.06 | 0.12 | 0.30 | 0.12 | 0.26 | 0.03 | -0.25 | -0.01 | 0.11 | 0.56 | -0.02 | -0.48 | -0.18 | |||||||||||||
MAX | 37.90 | 41.18 | 54.90 | 67.63 | 81.35 | 84.93 | 89.16 | 87.16 | 78.67 | 72.19 | 56.53 | 38.94 | 59.18 | |||||||||||||
MIN | 14.29 | 22.21 | 32.26 | 50.23 | 62.06 | 72.43 | 75.26 | 74.77 | 63.93 | 52.42 | 34.93 | 18.93 | 52.33 | |||||||||||||
YRS | 47 | 48 | 49 | 50 | 51 | 50 | 50 | 49 | 47 | 48 | 47 | 50 | 38 |