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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.10 | 40.03 | 24.90 | 41.01 | i | |||
1963 | 12.34 | b | 20.25 | 41.77 | 56.53 | 65.06 | 77.47 | 83.66 | b | 74.97 | a | 71.70 | 68.87 | 44.43 | 18.52 | b | 52.96 | |||||||||
1964 | 29.19 | 31.17 | 34.65 | 53.07 | 72.77 | 75.27 | 82.79 | b | 73.00 | 65.43 | 57.23 | 41.93 | a | 20.27 | a | 53.06 | ||||||||||
1965 | 19.13 | 22.07 | a | 28.81 | 50.83 | 68.42 | 72.77 | 76.00 | c | 74.71 | 58.47 | 58.00 | 37.53 | 29.20 | a | 49.66 | ||||||||||
1966 | 14.19 | 26.52 | a | 40.42 | 45.59 | a | 63.03 | 76.37 | 82.23 | 73.26 | 67.50 | 57.26 | 35.83 | 24.26 | 50.54 | |||||||||||
1967 | 23.61 | 19.29 | 38.52 | 51.47 | 60.13 | 72.10 | 76.45 | 74.10 | 70.00 | 53.94 | 35.43 | 27.74 | 50.23 | |||||||||||||
1968 | 21.19 | 25.24 | 48.00 | 53.97 | 61.39 | 73.76 | a | 78.48 | 76.48 | 67.33 | 58.23 | 38.07 | 24.10 | 52.19 | ||||||||||||
1969 | 19.26 | 26.50 | 34.87 | 54.39 | b | 67.16 | 65.83 | 78.93 | a | 82.94 | 68.90 | 51.48 | 38.97 | 26.48 | 51.31 | |||||||||||
1970 | 15.16 | 25.61 | 34.68 | 52.47 | 61.74 | 77.47 | 83.32 | 80.19 | 68.43 | 57.55 | 36.47 | 24.45 | 51.46 | |||||||||||||
1971 | 13.48 | 24.79 | 34.29 | 54.28 | a | 65.13 | 78.63 | 76.03 | 76.33 | a | 69.87 | 60.32 | 36.76 | a | 26.22 | h | 53.63 | a | ||||||||
1972 | 13.44 | d | 19.72 | 30.77 | 46.50 | 72.39 | 75.93 | 76.55 | 75.68 | 65.37 | 50.83 | a | 34.23 | 18.97 | 48.37 | |||||||||||
1973 | 26.23 | 27.68 | 43.94 | 52.30 | 61.90 | 76.10 | 79.55 | 78.67 | a | 66.63 | ----- | z | ----- | z | ----- | z | 57.00 | c | ||||||||
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.47 | m | ----- | z | ----- | z |
1978 | 17.71 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 17.71 | k | |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.48 | a | 31.23 | 34.35 | j | |
1980 | 20.84 | 24.28 | 36.00 | b | 56.30 | 73.43 | a | 76.00 | a | 83.40 | a | 76.35 | 65.80 | 50.29 | 40.37 | 24.10 | 52.26 | |||||||||
1981 | 26.48 | 30.61 | 42.70 | a | 57.24 | a | 67.57 | a | 74.44 | c | 80.52 | 79.21 | c | 67.33 | 53.65 | 45.67 | 25.10 | a | 54.21 | |||||||
1982 | 15.41 | b | 25.78 | a | 37.53 | a | 50.90 | a | 71.45 | b | 72.00 | a | 82.07 | a | 76.93 | b | 67.81 | c | 56.67 | a | 35.10 | a | 29.58 | 51.77 | ||
1983 | 25.76 | b | 31.89 | 36.66 | b | 47.80 | 63.45 | b | 75.80 | 83.77 | 83.00 | 69.69 | a | 55.93 | a | 37.33 | 14.66 | b | 52.15 | |||||||
1984 | 21.24 | b | 36.38 | 32.84 | 55.40 | 64.48 | 78.57 | 80.68 | 82.72 | b | 64.50 | x | 53.12 | o | 38.66 | a | 26.74 | 51.77 | b | |||||||
1985 | 18.93 | b | 24.08 | c | 42.84 | 59.46 | b | 70.73 | a | 72.52 | a | 78.90 | b | 73.04 | c | ----- | z | 56.84 | f | 31.65 | d | 14.42 | 48.66 | b | ||
1986 | ----- | z | ----- | z | ----- | z | 59.31 | d | 70.70 | a | 77.00 | b | 80.87 | a | 75.93 | a | 67.93 | b | 55.97 | 34.80 | 28.29 | 61.20 | c | |||
1987 | 27.87 | ----- | z | ----- | z | 64.70 | 71.55 | 81.89 | b | 83.30 | a | 77.97 | a | 73.86 | b | 51.13 | 42.72 | a | 30.68 | 60.57 | b | |||||
1988 | 20.00 | ----- | z | ----- | z | 58.30 | 77.19 | 82.87 | 87.52 | b | 80.48 | 69.62 | a | 51.42 | 37.90 | 25.94 | 59.12 | b | ||||||||
1989 | 26.52 | f | 20.41 | a | 33.97 | 53.63 | 68.81 | 75.00 | 83.70 | a | 80.28 | b | 71.60 | 59.90 | 33.43 | 16.03 | 54.25 | a | ||||||||
1990 | 32.87 | ----- | z | ----- | z | 58.10 | 64.84 | 77.52 | a | 81.43 | a | 79.77 | a | 70.39 | b | 57.42 | 43.27 | 24.68 | 59.03 | b | ||||||
1991 | 18.77 | a | 33.52 | c | 40.03 | 58.53 | 68.94 | 76.46 | b | 77.26 | 80.03 | b | 66.41 | a | 53.52 | 30.47 | 25.87 | 52.48 | ||||||||
1992 | 25.71 | 30.92 | c | 37.71 | 47.52 | a | 71.39 | 71.93 | 72.53 | a | 73.00 | 67.96 | b | 54.77 | 32.93 | 25.81 | 51.02 | |||||||||
1993 | 22.52 | 25.81 | b | 38.94 | 48.37 | 64.38 | b | 70.10 | 76.39 | 77.90 | 61.21 | b | 53.23 | a | 34.14 | b | 24.94 | 49.83 | ||||||||
1994 | 10.19 | 18.54 | b | 41.45 | 52.96 | b | 69.61 | 77.28 | a | 77.00 | b | 75.53 | a | 70.72 | a | 58.45 | b | 42.87 | 33.10 | a | 52.31 | |||||
1995 | 23.50 | a | 24.76 | c | 40.20 | a | 45.55 | a | 67.19 | 80.50 | 80.40 | a | 82.07 | b | 69.31 | d | 54.23 | 28.97 | 21.57 | a | 51.52 | |||||
1996 | 16.73 | a | 24.27 | c | 30.71 | 46.93 | 63.40 | a | 74.90 | a | 74.41 | b | 79.03 | a | 66.29 | b | 57.07 | a | 30.03 | 21.10 | a | 48.74 | ||||
1997 | 17.55 | 29.50 | 35.29 | 51.48 | a | 58.80 | a | 78.48 | a | 77.00 | 74.10 | 69.62 | a | 57.84 | 33.89 | c | 31.45 | 51.25 | ||||||||
1998 | 24.63 | a | 38.96 | 36.81 | 58.33 | 73.43 | a | 72.07 | 79.33 | a | 80.70 | a | 76.13 | 58.73 | a | 40.97 | 30.77 | 55.91 | ||||||||
1999 | 19.40 | a | 34.32 | 42.04 | c | 55.50 | 68.87 | 76.17 | 82.55 | 76.40 | a | 68.93 | 55.48 | 47.07 | 29.74 | 54.71 | ||||||||||
2000 | 22.86 | b | 33.83 | 48.84 | 52.53 | 69.71 | 72.50 | 77.50 | a | 76.83 | a | 68.57 | 62.06 | 37.10 | a | 14.94 | 53.11 | |||||||||
2001 | 27.42 | 22.21 | 37.03 | 55.45 | a | 68.97 | 75.63 | 80.32 | 80.77 | a | 66.70 | 56.24 | b | 50.80 | 31.43 | a | 54.41 | |||||||||
2002 | 29.03 | 33.71 | 30.97 | 50.87 | 62.16 | 77.27 | 83.10 | 77.13 | 71.33 | 46.90 | 35.23 | 27.35 | 52.09 | |||||||||||||
2003 | 17.45 | 19.58 | b | 35.13 | a | 47.75 | b | 63.68 | 70.34 | a | 75.87 | a | 77.58 | 68.70 | 54.06 | 38.40 | 32.23 | a | 50.06 | |||||||
2004 | 13.00 | a | 27.14 | 37.58 | 52.13 | ----- | z | ----- | z | 74.21 | b | 69.10 | 71.96 | f | 55.31 | e | 42.97 | a | 24.04 | c | 43.94 | c | ||||
2005 | 17.07 | a | 30.81 | a | 36.76 | j | 58.50 | r | 61.46 | g | 75.26 | k | 77.79 | b | 75.67 | d | 73.83 | a | 57.07 | a | 48.22 | u | ----- | z | 55.37 | f |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 20.56 | 26.97 | 37.69 | 53.23 | 67.25 | 75.40 | 79.62 | 77.35 | 68.51 | 55.98 | 37.94 | 25.13 | 51.83 | |||||||||||||
S.D. | 5.50 | 5.38 | 4.77 | 4.50 | 4.42 | 3.43 | 3.38 | 3.23 | 3.31 | 3.90 | 4.88 | 5.15 | 1.81 | |||||||||||||
SKEW | 0.19 | 0.30 | 0.38 | 0.17 | 0.06 | -0.31 | 0.03 | -0.15 | -0.56 | 0.59 | 0.45 | -0.57 | 0.18 | |||||||||||||
MAX | 32.87 | 38.96 | 48.84 | 64.70 | 77.19 | 82.87 | 87.52 | 83.00 | 76.13 | 68.87 | 50.80 | 33.10 | 55.91 | |||||||||||||
MIN | 10.19 | 18.54 | 28.81 | 45.55 | 58.80 | 65.83 | 72.53 | 69.10 | 58.47 | 46.90 | 28.97 | 14.42 | 48.37 | |||||||||||||
YRS | 36 | 33 | 32 | 36 | 35 | 35 | 37 | 37 | 34 | 35 | 37 | 36 | 26 |