YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 10.81 | 19.44 | b | 19.29 | 31.93 | 35.26 | 44.69 | a | 51.48 | d | 49.52 | b | 43.43 | 31.37 | a | 14.87 | 21.10 | a | 31.10 | |||||||
1949 | 5.20 | u | 16.43 | e | 22.19 | 26.52 | a | 33.03 | a | 43.55 | a | 53.77 | i | 48.84 | f | 45.00 | f | 29.40 | a | 18.80 | 9.19 | 24.89 | d | |||
1950 | 14.23 | 18.68 | 22.26 | 27.77 | 32.10 | a | 37.81 | d | 52.29 | 46.06 | 40.03 | 32.79 | c | 18.83 | a | 14.46 | e | 29.77 | ||||||||
1951 | 13.97 | 15.75 | d | 16.94 | m | 26.71 | b | 29.22 | v | 30.89 | l | 50.87 | 49.29 | c | 41.30 | 31.29 | 19.07 | 16.07 | c | 29.37 | c | |||||
1952 | 19.35 | 17.76 | d | 18.77 | 27.67 | 36.13 | a | 44.50 | b | 49.77 | 50.38 | b | 38.50 | 25.77 | e | 14.90 | 10.00 | g | 31.23 | a | ||||||
1953 | 13.05 | l | 10.90 | g | 24.67 | a | 28.00 | n | 28.86 | b | 45.37 | c | 53.65 | e | 47.97 | a | ----- | z | ----- | z | ----- | z | 6.29 | c | 34.47 | f |
1954 | 13.00 | r | 15.81 | a | 22.04 | e | 31.36 | b | 37.50 | c | 43.28 | a | 54.05 | k | 50.03 | a | 45.56 | e | 33.57 | c | 19.72 | e | 10.97 | a | 30.98 | b |
1955 | 13.87 | 10.33 | a | 20.62 | e | 23.78 | c | 36.41 | b | 40.85 | c | 51.23 | e | 51.92 | f | 40.33 | 34.65 | h | 16.87 | o | 17.46 | c | 28.32 | c | ||
1956 | 18.61 | 13.68 | d | 20.76 | b | 25.03 | a | 34.64 | i | 47.17 | f | 50.48 | j | 46.35 | h | 41.48 | a | 28.85 | e | 12.13 | 8.77 | 21.17 | d | |||
1957 | 21.52 | b | 23.25 | l | ----- | z | 28.32 | h | ----- | z | 46.48 | a | 53.77 | 51.42 | 40.27 | 34.62 | b | 20.90 | 18.07 | d | 35.88 | d | ||||
1958 | 10.58 | 25.11 | 24.39 | 28.70 | 37.21 | b | 48.87 | 52.00 | 51.26 | 44.71 | f | 33.13 | 20.64 | b | 13.90 | a | 31.43 | a | ||||||||
1959 | 14.27 | a | 18.26 | e | 18.41 | b | 30.20 | 34.57 | a | 46.87 | 51.10 | a | 51.89 | d | 40.63 | 31.84 | 22.73 | 15.46 | c | 31.35 | ||||||
1960 | 7.30 | d | 19.00 | f | 24.32 | 28.54 | d | 32.64 | f | 44.43 | b | 51.63 | a | 50.71 | 44.21 | a | 33.19 | 21.60 | o | 11.22 | d | 32.84 | c | |||
1961 | 8.19 | e | ----- | z | 26.55 | k | 29.30 | 34.33 | a | 45.37 | 50.72 | b | 50.10 | b | 40.44 | l | 30.25 | g | 23.20 | e | 16.32 | l | 34.46 | e | ||
1962 | ----- | z | 23.45 | h | 16.96 | g | 30.29 | f | 39.00 | b | 45.65 | d | 48.32 | c | 46.82 | n | 41.10 | a | 29.61 | 21.54 | f | 15.43 | j | 40.74 | g | |
1963 | 13.23 | 10.84 | i | 21.90 | a | 40.56 | n | 36.00 | a | 39.73 | 50.55 | 49.71 | 43.17 | a | 32.43 | h | 21.80 | e | 6.60 | k | 34.51 | d | ||||
1964 | 1.60 | f | 3.71 | e | 17.42 | g | 27.25 | f | 32.65 | k | 42.80 | j | ----- | z | 44.89 | m | 41.52 | i | 27.12 | f | 18.83 | g | 18.86 | q | 3.71 | k |
1965 | 15.06 | 7.21 | d | 19.00 | h | ----- | z | 28.06 | n | 39.10 | ----- | z | 46.85 | d | ----- | z | ----- | z | 19.10 | 13.61 | 23.49 | f | ||||
1966 | ----- | z | 10.67 | a | 18.27 | a | 21.69 | a | ----- | z | 46.22 | u | 46.19 | 46.46 | c | 37.87 | 24.76 | b | ----- | z | ----- | z | 29.42 | e | ||
1967 | ----- | z | ----- | z | 28.19 | 31.15 | c | 33.61 | 45.33 | 53.61 | 48.90 | 44.35 | d | 31.39 | 24.80 | 13.45 | 35.48 | b | ||||||||
1968 | 3.58 | 22.55 | 24.40 | a | ----- | z | 33.42 | 42.00 | c | 49.58 | 45.35 | 37.30 | 28.58 | 19.90 | 7.97 | 28.60 | a | |||||||||
1969 | 19.73 | a | 18.21 | 15.90 | a | 26.70 | 35.20 | a | 42.37 | 52.85 | d | 53.10 | b | 43.77 | 32.81 | 19.27 | 16.97 | b | 31.41 | |||||||
1970 | 9.29 | 20.96 | 23.48 | 21.73 | 34.55 | 40.85 | d | 52.47 | l | 49.10 | 42.20 | 29.69 | e | 21.27 | 13.71 | j | 29.31 | b | ||||||||
1971 | 8.59 | i | 15.11 | 18.29 | 24.29 | f | 30.69 | b | 42.97 | 51.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.66 | g | ||||
1972 | ----- | z | ----- | z | 23.58 | 26.83 | 30.92 | f | 42.53 | 49.48 | 48.97 | 42.57 | 37.68 | 20.95 | i | ----- | z | 38.81 | e | |||||||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 33.71 | w | 25.10 | a | 17.81 | c | ----- | z | 21.46 | j |
1974 | 13.55 | 5.46 | d | 21.23 | 17.29 | f | 35.10 | a | ----- | z | 50.76 | b | 46.58 | g | 41.88 | f | 35.60 | k | 22.71 | m | ----- | z | 25.22 | g | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 13.36 | 15.29 | 21.65 | 27.39 | 34.61 | 43.46 | 51.06 | 49.32 | 41.56 | 30.81 | 19.43 | 13.44 | 30.91 | |||||||||||||
S.D. | 4.78 | 5.84 | 2.94 | 3.07 | 2.46 | 2.76 | 1.85 | 2.06 | 2.31 | 3.32 | 3.12 | 4.11 | 0.77 | |||||||||||||
SKEW | -0.14 | -0.47 | 0.09 | -0.41 | -0.55 | -0.23 | -0.70 | -0.30 | -0.18 | -0.18 | -0.62 | -0.05 | -1.05 | |||||||||||||
MAX | 21.52 | 25.11 | 28.19 | 31.93 | 39.00 | 48.87 | 53.77 | 53.10 | 45.56 | 37.68 | 24.80 | 21.10 | 31.41 | |||||||||||||
MIN | 3.58 | 3.71 | 15.90 | 21.69 | 28.86 | 37.81 | 46.19 | 45.35 | 37.30 | 24.76 | 12.13 | 6.29 | 29.77 | |||||||||||||
YRS | 17 | 18 | 20 | 17 | 18 | 21 | 20 | 19 | 18 | 19 | 18 | 16 | 4 |