YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 35.50 | p | 25.10 | 25.10 | k | |
1959 | 20.60 | a | 28.11 | 44.73 | a | 59.87 | 71.16 | 79.67 | 83.52 | 83.39 | h | 73.57 | 52.74 | 33.30 | 36.97 | 53.11 | a | |||||||||
1960 | 23.65 | 26.28 | 31.55 | 56.23 | 68.81 | 76.13 | 83.80 | a | 82.58 | 70.90 | 61.17 | a | 42.30 | 26.94 | 54.19 | |||||||||||
1961 | 23.68 | 34.21 | 43.39 | 48.30 | 66.87 | 80.67 | 81.00 | 83.32 | 69.30 | 61.58 | 40.69 | a | 23.55 | 54.71 | ||||||||||||
1962 | 18.33 | a | 20.75 | 34.00 | 52.90 | 69.74 | 76.77 | 77.45 | 80.52 | 68.76 | a | 58.71 | n | 45.39 | g | 30.16 | 52.94 | b | ||||||||
1963 | 14.68 | 25.96 | 45.19 | 59.83 | 67.68 | 82.60 | 85.55 | 82.06 | 75.53 | 71.84 | 48.73 | 19.10 | 56.56 | |||||||||||||
1964 | 30.13 | ----- | z | ----- | z | 59.80 | 75.68 | 82.50 | 89.65 | 80.19 | 70.90 | 60.65 | 44.37 | 21.29 | 61.51 | b | ||||||||||
1965 | 20.10 | 22.75 | 28.48 | 51.20 | 71.35 | 79.13 | 82.19 | 81.07 | a | 60.90 | 63.10 | 41.83 | 33.87 | a | 53.00 | |||||||||||
1966 | 13.13 | 25.86 | 45.29 | 51.57 | 67.71 | 80.37 | 88.55 | 79.29 | 67.42 | r | 60.52 | 37.63 | 26.00 | g | 54.99 | b | ||||||||||
1967 | ----- | z | ----- | z | ----- | z | 54.73 | 65.90 | 78.20 | 81.68 | 81.23 | 74.17 | 59.10 | 41.27 | 30.55 | 62.98 | c | |||||||||
1968 | 23.39 | 24.14 | 52.42 | 61.47 | 66.26 | 78.00 | 81.39 | 82.29 | 72.37 | 61.19 | 39.27 | 23.48 | 55.47 | |||||||||||||
1969 | 16.61 | 28.29 | 33.71 | 59.40 | 72.16 | 72.17 | 83.19 | 86.48 | 74.70 | 55.58 | 40.57 | 26.42 | 54.11 | |||||||||||||
1970 | 14.06 | 26.96 | 34.00 | 55.47 | 70.00 | 81.63 | 86.55 | 83.68 | 71.80 | 58.03 | 37.20 | 25.00 | 53.70 | |||||||||||||
1971 | 14.77 | 25.46 | 35.52 | 60.37 | 68.87 | 81.27 | 78.81 | 82.39 | 73.40 | 64.03 | 40.47 | 25.26 | 54.22 | |||||||||||||
1972 | 16.74 | 8.00 | v | ----- | z | ----- | z | 74.58 | 81.07 | 81.58 | 81.52 | 70.13 | 55.23 | 37.40 | 19.23 | 57.50 | c | |||||||||
1973 | 25.16 | 30.07 | 48.26 | 55.60 | 68.13 | 82.30 | 84.23 | a | 83.84 | 70.07 | 64.97 | 41.97 | 23.58 | 56.51 | ||||||||||||
1974 | 21.10 | 27.57 | 37.19 | 58.10 | 65.65 | 79.17 | 89.65 | 78.74 | 72.27 | 63.26 | 40.90 | 30.45 | 55.34 | |||||||||||||
1975 | 22.65 | 24.75 | 31.74 | 45.87 | 73.94 | 79.43 | 87.84 | 83.81 | 69.50 | 65.03 | 44.97 | 25.00 | 54.54 | |||||||||||||
1976 | 20.06 | 35.14 | 40.32 | 64.83 | 72.52 | 84.80 | 89.65 | 87.19 | 75.13 | 54.97 | 35.73 | 20.00 | 56.70 | |||||||||||||
1977 | 8.39 | 31.46 | 44.71 | 64.90 | 79.16 | 79.27 | 85.77 | 78.03 | 70.20 | 58.84 | 38.80 | 20.52 | 55.00 | |||||||||||||
1978 | 14.45 | 21.04 | 39.03 | 55.03 | 72.94 | 79.07 | 81.23 | 82.94 | 78.00 | 61.45 | 40.20 | 21.74 | 53.93 | |||||||||||||
1979 | 9.84 | 18.61 | 34.90 | 52.33 | 66.68 | 79.00 | 83.42 | 77.97 | 75.10 | 57.90 | 38.50 | 32.84 | 52.26 | |||||||||||||
1980 | 22.52 | 23.79 | 35.71 | 63.13 | 76.52 | 79.43 | 87.03 | 81.39 | 71.43 | 55.74 | 46.00 | 27.77 | 55.87 | |||||||||||||
1981 | 29.23 | 32.82 | 50.42 | 60.93 | 69.39 | 77.20 | 82.32 | 78.55 | 71.37 | 55.32 | 46.27 | 23.55 | 56.45 | |||||||||||||
1982 | 11.23 | 23.86 | 35.23 | 54.53 | 72.61 | 75.27 | 84.87 | 82.13 | 69.90 | 59.26 | 36.90 | 31.58 | 53.11 | |||||||||||||
1983 | 25.81 | 30.89 | 39.61 | 52.27 | 66.16 | 77.53 | 87.26 | 87.61 | 72.63 | 57.48 | 38.20 | 10.39 | 53.82 | |||||||||||||
1984 | 20.55 | 34.24 | 33.10 | 57.03 | 67.81 | 79.10 | 83.61 | 83.84 | 68.77 | 59.20 | a | 41.55 | a | 26.03 | 54.57 | |||||||||||
1985 | 20.81 | 24.75 | 43.71 | 64.13 | 75.19 | 75.93 | 84.16 | 75.29 | 68.47 | 57.48 | 30.63 | 16.42 | 53.08 | |||||||||||||
1986 | 25.23 | 22.57 | 43.00 | 61.10 | 70.42 | 81.70 | 83.13 | 77.81 | 68.50 | 58.35 | 36.30 | 31.03 | 54.93 | |||||||||||||
1987 | 29.57 | a | 41.32 | 51.30 | u | 74.08 | r | 76.77 | 85.87 | 86.81 | 79.81 | 74.83 | 56.16 | 45.07 | 30.10 | 60.63 | b | |||||||||
1988 | 19.16 | 22.66 | 42.81 | 62.30 | 80.48 | 89.30 | 91.84 | 86.55 | 74.69 | a | 56.29 | 39.17 | 27.74 | 57.75 | ||||||||||||
1989 | 30.26 | 19.46 | 34.39 | 57.03 | 71.42 | 79.83 | 87.10 | 82.32 | 72.57 | 63.65 | 36.47 | 18.26 | 54.40 | |||||||||||||
1990 | 35.32 | 34.44 | a | 45.13 | 60.17 | 68.71 | 80.53 | 82.03 | 81.26 | 76.20 | 59.35 | 45.83 | 25.17 | b | 57.85 | |||||||||||
1991 | 20.36 | c | 31.33 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.48 | 67.30 | 55.97 | 29.87 | 27.90 | 44.60 | e | |||||
1992 | 27.55 | 32.10 | 39.35 | 49.20 | 71.35 | 74.53 | 73.61 | 74.65 | 69.67 | 57.03 | 34.00 | 26.07 | a | 52.43 | ||||||||||||
1993 | 21.06 | 22.43 | 36.13 | 52.13 | 64.71 | 71.97 | 76.94 | 78.13 | 64.00 | 54.74 | 35.37 | 24.84 | 50.20 | |||||||||||||
1994 | ----- | z | 17.33 | a | 39.42 | 53.93 | 71.84 | 78.47 | 78.13 | 75.45 | 72.43 | 58.97 | 44.27 | 29.77 | 56.36 | a | ||||||||||
1995 | 22.58 | 26.46 | 40.13 | a | 48.17 | 65.32 | 79.93 | 81.65 | 80.94 | 69.10 | 55.97 | 31.07 | 25.10 | b | 52.20 | |||||||||||
1996 | 16.70 | a | 23.14 | 30.87 | 49.07 | 63.00 | 76.13 | 79.23 | 80.06 | 70.93 | 59.13 | 30.93 | a | 19.13 | 49.86 | |||||||||||
1997 | 16.26 | 26.64 | 34.55 | 53.33 | 62.39 | 81.70 | 78.74 | 76.29 | 72.33 | 59.52 | 33.00 | 32.27 | a | 52.25 | ||||||||||||
1998 | 23.16 | 37.11 | 38.19 | 59.77 | 75.13 | 73.03 | 81.32 | 80.58 | 77.63 | 59.77 | 43.10 | 32.40 | a | 56.77 | ||||||||||||
1999 | 17.65 | 34.14 | 41.73 | a | 56.20 | 69.19 | 74.28 | a | 84.39 | 78.10 | 70.23 | 58.74 | 50.69 | a | 32.97 | 55.69 | ||||||||||
2000 | 22.35 | 32.45 | 49.23 | 54.73 | 69.68 | 74.07 | 80.13 | 80.68 | 71.63 | 61.74 | 37.43 | 13.60 | a | 53.98 | ||||||||||||
2001 | 26.13 | a | 19.36 | 34.42 | 54.83 | 68.19 | 76.63 | 84.03 | 83.10 | a | 68.73 | 57.87 | 53.43 | 33.67 | a | 55.03 | ||||||||||
2002 | 29.58 | 35.21 | ----- | z | ----- | z | ----- | z | 79.03 | 83.39 | 77.39 | 73.13 | 47.48 | 39.23 | 31.94 | 55.15 | c | |||||||||
2003 | 21.71 | ----- | z | ----- | z | ----- | z | ----- | z | 74.90 | a | 79.84 | 83.39 | c | 70.43 | b | 59.81 | 37.23 | 28.76 | f | 61.04 | e | ||||
2004 | 17.32 | 27.31 | 43.42 | 61.30 | 64.52 | d | 72.83 | 77.45 | 72.79 | l | 72.92 | f | 57.92 | e | 43.73 | 28.43 | a | 49.42 | b | |||||||
2005 | 21.29 | 32.71 | 40.65 | 65.23 | h | 63.29 | 78.77 | 82.32 | c | 78.50 | a | 73.61 | b | 59.39 | 42.92 | d | 20.00 | h | 57.34 | b | ||||||
2006 | 32.58 | 26.50 | 40.13 | 62.28 | a | 68.71 | 77.87 | 85.84 | 78.97 | a | 63.58 | k | 52.71 | 42.60 | 32.80 | k | 56.82 | b | ||||||||
2007 | 21.22 | h | 18.61 | 34.43 | x | 55.37 | 72.03 | a | 79.50 | v | 82.32 | 77.03 | 72.03 | 60.71 | 41.87 | 20.52 | 55.61 | c | ||||||||
2008 | 19.48 | 22.00 | 34.90 | 49.57 | 63.16 | 74.33 | 80.74 | 79.87 | 70.83 | 56.65 | 40.80 | 20.68 | 51.08 | |||||||||||||
2009 | 14.53 | a | 27.00 | 36.74 | 54.40 | 68.26 | 73.62 | a | 75.35 | 75.03 | 73.23 | 47.23 | 47.97 | 21.13 | 51.21 | |||||||||||
2010 | 17.13 | 25.57 | 46.32 | 64.07 | 67.81 | 73.80 | 82.14 | b | 82.13 | 66.38 | a | 61.74 | 41.07 | 20.65 | 54.07 | |||||||||||
2011 | 16.39 | 27.36 | 34.13 | 51.47 | 64.00 | 75.37 | 83.90 | 78.61 | 69.69 | a | 61.94 | 43.80 | 32.87 | 53.29 | ||||||||||||
2012 | 29.45 | 33.21 | 56.87 | 57.67 | 72.55 | 79.27 | 87.58 | 79.16 | 74.10 | 55.77 | 43.37 | 27.35 | 58.03 | |||||||||||||
2013 | 21.84 | 24.39 | 31.74 | 39.00 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 25.99 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.08 | 27.27 | 39.50 | 56.41 | 69.73 | 78.37 | 83.13 | 80.64 | 71.44 | 58.68 | 40.31 | 25.69 | 54.31 | |||||||||||||
S.D. | 5.88 | 5.42 | 6.21 | 4.91 | 4.21 | 3.56 | 3.83 | 3.05 | 3.16 | 4.08 | 5.03 | 5.65 | 2.00 | |||||||||||||
SKEW | 0.19 | 0.32 | 0.60 | -0.09 | 0.41 | 0.42 | -0.08 | 0.19 | -0.61 | -0.07 | 0.05 | -0.35 | -0.18 | |||||||||||||
MAX | 35.32 | 41.32 | 56.87 | 64.90 | 80.48 | 89.30 | 91.84 | 87.61 | 78.00 | 71.84 | 53.43 | 36.97 | 58.03 | |||||||||||||
MIN | 8.39 | 17.33 | 28.48 | 45.87 | 62.39 | 71.97 | 73.61 | 74.65 | 60.90 | 47.23 | 29.87 | 10.39 | 49.86 | |||||||||||||
YRS | 52 | 51 | 47 | 48 | 51 | 52 | 53 | 52 | 51 | 53 | 53 | 51 | 39 |