YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 27.00 | x | ----- | 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 | 25.17 | r | 32.26 | 42.53 | 50.17 | a | 49.32 | 38.80 | 34.27 | a | 20.10 | 17.23 | 35.58 | d | ||||||
1958 | 13.61 | 21.86 | 21.06 | 26.00 | a | 35.96 | f | 45.73 | 48.74 | 48.55 | 43.93 | 31.06 | 20.20 | 14.47 | a | 30.47 | a | |||||||||
1959 | 14.13 | 16.14 | 16.71 | 27.50 | 31.61 | 44.83 | 48.65 | 48.21 | b | 37.79 | a | 28.10 | b | 18.60 | 17.65 | 29.16 | ||||||||||
1960 | 6.74 | 11.72 | 22.13 | 24.77 | 29.64 | t | ----- | z | 46.71 | n | 46.00 | 41.07 | 28.52 | 19.90 | 11.73 | a | 23.62 | c | ||||||||
1961 | 9.81 | 15.43 | 20.03 | 25.43 | 31.35 | 42.07 | 48.42 | 48.35 | 37.60 | 28.30 | a | 21.63 | 11.97 | 28.37 | ||||||||||||
1962 | 11.84 | 18.92 | d | 16.06 | 24.94 | m | 29.13 | a | 38.60 | 48.58 | 44.48 | 42.10 | 30.58 | 23.13 | 15.42 | 28.99 | a | |||||||||
1963 | 7.00 | ----- | z | ----- | z | 24.35 | g | 32.11 | v | 38.00 | r | 49.08 | r | 48.71 | 43.25 | b | 33.58 | 22.07 | 9.26 | 27.31 | f | |||||
1964 | 4.43 | a | 5.24 | 14.94 | 21.53 | 30.31 | b | 37.66 | a | 49.65 | 45.39 | 39.17 | a | 27.40 | p | 20.47 | 11.70 | d | 25.50 | a | ||||||
1965 | 17.23 | 12.48 | c | 16.77 | a | 23.43 | 27.32 | c | 33.97 | 44.96 | f | ----- | z | ----- | z | 28.42 | 25.07 | 18.47 | a | 22.57 | c | |||||
1966 | 10.97 | 7.96 | 21.63 | a | 26.80 | 36.35 | 44.67 | c | 51.60 | a | 49.93 | d | 40.75 | n | 28.87 | a | 22.76 | e | 12.40 | a | 28.54 | a | ||||
1967 | 9.48 | b | 17.04 | a | 16.60 | u | 25.96 | d | 31.10 | 43.90 | 52.16 | 48.29 | 42.86 | a | 29.81 | d | 23.18 | b | 14.95 | l | 32.38 | b | ||||
1968 | 11.86 | c | 20.04 | b | 22.74 | 25.87 | 32.52 | b | 42.10 | 49.00 | 46.81 | 38.17 | f | 29.50 | e | 21.93 | a | 9.90 | a | 28.39 | a | |||||
1969 | 20.18 | c | 15.96 | b | 16.00 | c | 28.03 | 34.55 | 40.28 | e | 51.17 | a | 50.56 | d | 43.12 | d | 30.93 | b | 21.50 | b | 20.50 | e | 31.06 | |||
1970 | 12.52 | b | 17.15 | h | 18.29 | 16.77 | h | 31.03 | b | 41.48 | c | 51.45 | b | 50.48 | b | 38.91 | h | 25.80 | a | 19.70 | 14.62 | e | 29.49 | c | ||
1971 | 10.72 | b | 11.57 | ----- | z | 19.73 | d | 25.07 | a | 36.73 | 50.03 | 47.16 | 39.33 | 27.84 | 22.61 | l | 11.81 | 28.00 | b | |||||||
1972 | 14.55 | 11.52 | 20.55 | ----- | z | 33.77 | 44.53 | 51.87 | 49.00 | 41.20 | 39.39 | 20.63 | 14.58 | 31.05 | a | |||||||||||
1973 | 12.33 | j | 19.83 | e | 22.48 | 22.03 | a | ----- | z | ----- | z | 45.61 | 45.35 | 40.37 | 31.68 | 22.37 | 16.42 | 29.57 | c | |||||||
1974 | 15.55 | 15.18 | 23.12 | e | 22.46 | b | 33.11 | c | 43.52 | e | ----- | z | 46.00 | 39.37 | k | 36.06 | 23.57 | 10.77 | 26.93 | b | ||||||
1975 | 12.58 | 16.04 | a | 20.52 | 22.07 | 29.65 | 36.67 | 48.64 | c | 48.50 | o | 42.67 | c | 30.32 | 18.50 | 14.65 | h | 27.76 | b | |||||||
1976 | 8.13 | 22.17 | 18.42 | 30.80 | 34.65 | 43.58 | f | 49.74 | 47.72 | b | 42.63 | 28.58 | 19.14 | a | 11.74 | 28.52 | a | |||||||||
1977 | 14.73 | e | 15.17 | d | ----- | z | 26.73 | d | 31.84 | 43.29 | b | 48.38 | e | 49.64 | c | 45.00 | u | 30.21 | q | 23.67 | 20.29 | g | 31.68 | d | ||
1978 | 18.87 | 21.11 | 25.90 | b | ----- | z | 34.75 | g | 44.93 | 49.10 | 45.42 | 42.73 | 33.52 | 26.20 | 9.50 | q | 34.20 | c | ||||||||
1979 | 19.62 | b | 21.79 | 25.65 | 27.35 | d | 36.58 | 45.04 | f | 50.23 | 46.39 | 43.00 | 33.43 | a | 19.27 | 13.08 | s | 32.33 | b | |||||||
1980 | 23.11 | d | 19.28 | 22.42 | 22.58 | r | 32.00 | 40.17 | 50.65 | 48.45 | 41.53 | 33.05 | l | 18.56 | c | 20.26 | 31.64 | b | ||||||||
1981 | 16.45 | 16.86 | 20.42 | 30.60 | 33.48 | 43.33 | 50.16 | 48.71 | 42.62 | d | 30.52 | 22.76 | a | 18.13 | 31.17 | |||||||||||
1982 | 14.94 | 19.25 | 24.68 | 25.77 | 33.97 | 39.70 | 48.84 | 49.96 | f | 43.43 | 27.64 | f | 24.50 | 15.88 | g | 30.56 | c | |||||||||
1983 | 16.84 | 17.21 | 24.32 | 22.77 | 34.12 | g | 36.88 | f | 47.03 | 47.03 | 44.05 | h | 32.68 | 19.67 | 21.54 | c | 27.68 | c | ||||||||
1984 | 15.77 | 14.93 | 19.42 | 24.97 | 38.00 | 43.20 | 47.84 | 47.03 | 42.40 | 28.35 | 20.00 | 18.65 | n | 31.08 | a | |||||||||||
1985 | 10.94 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 13.53 | 16.19 | 20.62 | 25.27 | 32.26 | 41.54 | 49.49 | 47.72 | 41.51 | 30.84 | 21.45 | 14.79 | 29.94 | |||||||||||||
S.D. | 4.48 | 4.32 | 3.17 | 2.87 | 2.99 | 3.19 | 1.57 | 1.70 | 1.92 | 3.06 | 2.11 | 3.68 | 1.40 | |||||||||||||
SKEW | 0.01 | -0.70 | -0.12 | 0.08 | -0.32 | -0.77 | -0.29 | -0.13 | -0.80 | 0.95 | 0.42 | 0.29 | -0.15 | |||||||||||||
MAX | 23.11 | 22.17 | 25.90 | 30.80 | 38.00 | 45.73 | 52.16 | 50.56 | 43.93 | 39.39 | 26.20 | 21.54 | 31.17 | |||||||||||||
MIN | 4.43 | 5.24 | 14.94 | 19.73 | 25.07 | 33.97 | 45.61 | 44.48 | 37.60 | 25.80 | 18.50 | 9.26 | 28.37 | |||||||||||||
YRS | 26 | 25 | 23 | 21 | 22 | 22 | 24 | 25 | 21 | 24 | 27 | 21 | 4 |