YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.97 | 81.77 | 73.93 | 63.73 | a | 41.97 | a | 31.67 | a | 62.67 | f | |||
1949 | 19.39 | 34.61 | 43.35 | 62.27 | 65.68 | 73.93 | 85.29 | 83.00 | 76.43 | 55.90 | 60.40 | 38.71 | 58.25 | |||||||||||||
1950 | 32.26 | 45.25 | 45.10 | 55.10 | 61.50 | a | 70.20 | j | 82.14 | q | 82.65 | 70.30 | 66.68 | 51.50 | b | 46.14 | b | 55.65 | b | |||||||
1951 | 34.77 | 42.21 | 42.60 | a | 58.43 | 64.06 | 72.67 | 85.65 | 81.68 | 76.67 | 56.19 | 45.63 | 31.42 | 57.67 | ||||||||||||
1952 | 31.39 | 37.10 | 36.27 | a | 55.33 | c | 67.68 | 71.20 | 83.32 | 83.00 | h | 76.93 | 71.97 | 44.73 | 40.42 | 56.03 | a | |||||||||
1953 | 47.26 | 41.86 | 48.94 | 52.57 | 54.71 | c | 73.83 | g | 87.77 | 82.45 | 79.10 | 64.10 | 52.40 | 38.13 | 59.03 | a | ||||||||||
1954 | 40.06 | 50.07 | 43.77 | 59.20 | 72.45 | b | 71.67 | 87.39 | 80.61 | 74.93 | b | 64.61 | c | 54.64 | b | 37.23 | 61.39 | |||||||||
1955 | 29.47 | a | 33.93 | a | 40.37 | d | 49.55 | a | 61.58 | 74.67 | 81.84 | 87.00 | 73.83 | 65.45 | 43.20 | 38.90 | 56.65 | |||||||||
1956 | 39.55 | 34.21 | 46.21 | c | 56.67 | 64.48 | 75.00 | 86.45 | 81.94 | 78.33 | 58.39 | 48.30 | 42.29 | 59.32 | ||||||||||||
1957 | 32.21 | b | 44.04 | 46.03 | 53.10 | 61.23 | 74.47 | 84.87 | 84.65 | 77.80 | 57.23 | 42.07 | 43.19 | 58.41 | ||||||||||||
1958 | 37.03 | 44.48 | a | 41.71 | 51.97 | 72.71 | 72.57 | 83.97 | 86.97 | 74.10 | 68.39 | 49.40 | 48.39 | 60.97 | ||||||||||||
1959 | 40.67 | a | 39.00 | 48.42 | 60.20 | 57.87 | 78.43 | 87.61 | 82.55 | 66.63 | 61.68 | 53.83 | 41.97 | 59.91 | ||||||||||||
1960 | 34.13 | a | 34.38 | 48.90 | 55.77 | 62.52 | 78.37 | 88.84 | 81.52 | 77.80 | 61.74 | 46.57 | 39.84 | 59.20 | ||||||||||||
1961 | 46.03 | 43.25 | 45.39 | 55.97 | 64.77 | 80.53 | 87.19 | 84.74 | 66.43 | 59.65 | 46.23 | 36.87 | 59.76 | |||||||||||||
1962 | 35.23 | 40.50 | 41.87 | 61.45 | a | 60.48 | 74.63 | 82.61 | 80.19 | 76.50 | 66.29 | 50.83 | 47.52 | 59.84 | ||||||||||||
1963 | 36.35 | 49.82 | 46.19 | 48.63 | 65.68 | 66.33 | 82.19 | 83.68 | 77.93 | 66.45 | 48.70 | 42.00 | 59.50 | |||||||||||||
1964 | 35.77 | 37.00 | 40.26 | 51.63 | 63.03 | 68.30 | 85.45 | 80.87 | 73.03 | 68.26 | 44.67 | 37.71 | 57.17 | |||||||||||||
1965 | 38.87 | 43.36 | 46.10 | 54.70 | 59.32 | 70.90 | 82.29 | 78.35 | 66.53 | 69.19 | 51.57 | 40.13 | 58.44 | |||||||||||||
1966 | 37.32 | 37.39 | 48.90 | 57.30 | 71.74 | 75.10 | 85.61 | 84.16 | 77.23 | 63.32 | 49.50 | 38.26 | 60.49 | |||||||||||||
1967 | 40.10 | 44.29 | 46.97 | 46.13 | 64.26 | 70.77 | 87.10 | 88.19 | 77.60 | 64.16 | 50.77 | 35.41 | d | 59.64 | ||||||||||||
1968 | 39.29 | 49.31 | 52.16 | 51.07 | 64.39 | 74.67 | 87.84 | 73.00 | 72.23 | 62.58 | 44.43 | 36.32 | 58.94 | |||||||||||||
1969 | 39.32 | 37.14 | 44.13 | 56.70 | 70.65 | 70.27 | 84.00 | 87.87 | a | 77.43 | 52.58 | 50.50 | 40.71 | 59.27 | ||||||||||||
1970 | 38.77 | 48.93 | ----- | z | 46.60 | 63.90 | a | 73.17 | a | 84.07 | c | 86.80 | a | 69.37 | c | ----- | z | 46.14 | a | 35.63 | a | 59.34 | b | |||
1971 | 39.29 | 42.79 | 43.52 | 52.64 | b | 61.29 | 69.78 | c | 86.48 | j | 88.17 | h | 66.15 | d | 59.30 | h | 44.85 | c | 30.19 | j | 52.54 | d | ||||
1972 | 34.54 | e | 42.22 | f | 56.25 | k | 53.90 | j | 66.77 | r | 77.11 | c | 82.93 | d | 83.12 | o | 66.05 | k | ----- | z | ----- | z | ----- | z | 64.86 | i |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | 69.46 | e | 74.85 | c | 84.75 | g | 83.55 | b | 72.86 | b | 61.46 | c | 43.56 | c | 40.24 | b | 63.71 | e |
1974 | 35.45 | 40.32 | 47.58 | e | 54.00 | 64.40 | p | 81.22 | c | 82.68 | f | 82.80 | f | 78.67 | c | 64.04 | g | 51.60 | e | 41.45 | i | 55.55 | e | |||
1975 | 36.45 | b | 36.96 | a | 42.94 | 44.50 | ----- | z | 71.13 | 88.54 | c | 81.46 | g | 79.42 | d | 58.19 | 44.93 | 45.55 | i | 55.90 | c | |||||
1976 | 37.00 | 43.08 | e | 43.00 | e | 56.06 | m | 69.00 | c | 74.92 | f | 86.00 | n | 77.11 | d | 82.90 | t | 62.23 | a | 55.75 | b | 47.65 | 54.35 | d | ||
1977 | 39.71 | 43.33 | m | 44.87 | 64.17 | a | 56.76 | b | 73.00 | t | 85.64 | c | 83.29 | 73.80 | 66.84 | 48.33 | 42.84 | 60.63 | b | |||||||
1978 | 40.65 | 41.83 | d | 54.66 | b | 52.83 | a | 59.45 | 74.10 | a | 84.35 | 81.77 | 68.13 | 68.47 | a | 44.90 | 32.87 | 58.67 | ||||||||
1979 | 31.26 | 40.61 | 48.13 | 54.77 | 65.06 | 76.93 | 85.29 | 81.68 | 81.23 | 65.19 | 43.93 | 45.87 | 60.00 | |||||||||||||
1980 | 37.97 | 47.21 | 43.55 | 59.83 | 61.58 | 71.27 | 85.84 | 82.00 | c | 73.90 | 63.42 | 49.60 | 46.68 | 60.24 | ||||||||||||
1981 | 45.81 | 45.21 | 49.10 | 58.33 | 61.29 | 77.13 | 86.97 | 89.52 | j | 79.17 | a | 56.75 | c | 50.14 | a | 45.95 | i | 60.99 | b | |||||||
1982 | 34.81 | e | 39.26 | a | 45.32 | ----- | z | 63.55 | b | 72.23 | 80.06 | 85.81 | 68.44 | c | 57.57 | a | 42.77 | 37.73 | a | 57.05 | a | |||||
1983 | 42.58 | 42.79 | 45.37 | a | 48.97 | 62.35 | 71.57 | 81.77 | 83.71 | 74.80 | 64.03 | 46.17 | 33.87 | 58.16 | ||||||||||||
1984 | 33.42 | 38.28 | 44.06 | 48.40 | 64.06 | 69.80 | 84.03 | 84.03 | a | 76.00 | l | 52.58 | 45.50 | d | 32.85 | k | 56.42 | b | ||||||||
1985 | 31.74 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.74 | k | |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2003 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2004 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2005 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2006 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2007 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2008 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2009 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 |
2013 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2014 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2015 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2016 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2017 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.83 | 41.53 | 45.33 | 54.34 | 63.90 | 73.59 | 84.99 | 82.83 | 74.34 | 62.58 | 48.06 | 39.89 | 59.18 | |||||||||||||
S.D. | 5.15 | 4.63 | 3.56 | 4.87 | 4.35 | 3.43 | 2.23 | 3.16 | 4.32 | 4.83 | 4.24 | 4.68 | 1.18 | |||||||||||||
SKEW | -0.71 | 0.13 | 0.17 | -0.06 | 0.31 | 0.30 | -0.16 | -0.79 | -0.59 | -0.34 | 0.75 | 0.12 | -0.26 | |||||||||||||
MAX | 47.26 | 50.07 | 54.66 | 64.17 | 72.71 | 81.22 | 88.84 | 88.19 | 81.23 | 71.97 | 60.40 | 48.39 | 61.39 | |||||||||||||
MIN | 19.39 | 33.93 | 36.27 | 44.50 | 54.71 | 66.33 | 80.06 | 73.00 | 66.15 | 52.58 | 41.97 | 31.42 | 56.65 | |||||||||||||
YRS | 36 | 33 | 33 | 32 | 33 | 32 | 32 | 31 | 34 | 33 | 36 | 31 | 22 |