YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | 21.62 | w | 29.69 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.69 | k |
1929 | ----- | z | -1.67 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | 36.38 | i | 34.93 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | -1.00 | y | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | 28.90 | 32.78 | m | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.90 | k | |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | 13.74 | 23.61 | 30.87 | 36.17 | 47.45 | 54.03 | 58.52 | 59.87 | ----- | z | 38.52 | ----- | z | ----- | z | 40.31 | c | |||||||||
1938 | 18.77 | 24.36 | 27.81 | 31.07 | 38.27 | a | 48.43 | 52.90 | 53.61 | 47.40 | 34.68 | 16.13 | 17.48 | 34.24 | ||||||||||||
1939 | 14.29 | 8.19 | a | 24.84 | 32.43 | 40.35 | 46.28 | a | 53.97 | 51.90 | 49.37 | 31.68 | 23.07 | 17.03 | 32.78 | |||||||||||
1940 | 14.65 | 19.79 | 26.26 | 31.30 | 40.94 | 47.40 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 17.37 | a | 28.24 | e | ||||||
1941 | 15.93 | a | 22.64 | 26.45 | 31.17 | ----- | z | ----- | z | ----- | z | ----- | z | 43.90 | 36.48 | ----- | z | 17.13 | 27.67 | e | ||||||
1942 | 10.61 | 12.63 | a | 20.90 | 32.60 | 34.26 | 43.50 | 49.68 | 50.42 | 42.53 | 32.68 | 20.00 | 16.84 | 30.55 | ||||||||||||
1943 | 14.84 | 17.93 | 23.45 | 31.87 | 38.06 | 45.43 | 52.39 | 53.84 | 40.97 | 29.65 | 18.27 | 9.97 | 31.39 | |||||||||||||
1944 | 5.23 | 18.76 | 21.81 | 29.23 | 36.45 | 45.90 | 52.68 | 52.26 | 44.03 | 36.42 | 24.43 | 16.58 | 31.98 | |||||||||||||
1945 | 15.06 | 22.00 | 23.84 | 27.93 | 38.94 | 42.17 | 53.29 | 54.32 | 43.47 | 34.13 | 17.20 | 10.94 | 31.94 | |||||||||||||
1946 | 11.32 | 13.54 | 24.13 | 35.60 | 36.90 | 47.03 | 53.94 | 53.39 | 45.33 | 31.35 | 20.73 | 15.81 | 32.42 | |||||||||||||
1947 | 8.39 | 17.64 | 23.00 | 30.37 | 40.39 | 44.87 | 54.50 | m | 54.55 | 45.90 | 35.90 | 18.23 | 12.48 | 30.16 | a | |||||||||||
1948 | 10.42 | 18.75 | a | 21.40 | a | 31.97 | a | 40.20 | a | 46.45 | a | 52.58 | 51.60 | a | 45.67 | 32.87 | 17.50 | 17.10 | 32.21 | |||||||
1949 | 11.87 | 14.96 | 23.77 | 31.07 | 40.86 | b | 46.53 | 53.77 | 50.35 | 45.93 | 30.87 | 21.37 | 10.45 | 31.82 | ||||||||||||
1950 | 12.39 | 20.68 | 22.68 | 32.00 | 36.97 | b | 45.93 | 52.30 | a | 49.28 | b | 42.90 | 36.61 | 20.83 | 15.23 | 32.32 | ||||||||||
1951 | 10.39 | 16.32 | 22.03 | 29.87 | 39.29 | 44.47 | 54.55 | 52.07 | c | 43.27 | 32.23 | a | 19.50 | 15.84 | 31.65 | |||||||||||
1952 | 18.97 | 18.83 | 21.58 | 31.52 | a | 38.17 | b | 48.31 | a | 52.48 | 53.29 | 45.10 | a | 30.65 | 17.07 | 9.39 | 32.11 | |||||||||
1953 | 17.71 | 15.64 | 25.39 | 30.43 | 35.10 | a | 47.69 | a | 54.80 | a | 50.20 | a | 41.40 | 32.26 | 22.27 | 10.48 | 31.95 | |||||||||
1954 | 13.45 | 20.21 | 21.65 | 31.66 | a | 38.52 | 44.63 | 53.52 | b | 48.13 | a | 43.31 | a | 32.94 | 18.37 | 8.42 | 31.23 | |||||||||
1955 | 7.32 | 8.21 | 18.20 | a | 25.63 | 35.13 | 40.64 | b | 48.64 | c | 51.26 | 45.20 | 32.81 | 18.73 | 16.74 | 29.04 | ||||||||||
1956 | 18.94 | 12.45 | 20.87 | 27.27 | 38.23 | 49.43 | 51.10 | 47.68 | 42.20 | 31.84 | 12.37 | 9.61 | 30.16 | |||||||||||||
1957 | 20.13 | 26.00 | 26.42 | 29.10 | 38.16 | 46.67 | 54.81 | 53.13 | 41.13 | 35.65 | 20.70 | 18.48 | 34.20 | |||||||||||||
1958 | 13.89 | m | 23.11 | 24.26 | 31.30 | 42.65 | 49.45 | a | 51.23 | 53.43 | a | 46.27 | 33.97 | 22.30 | 15.77 | 35.79 | a | |||||||||
1959 | 12.77 | 18.89 | 21.42 | 32.55 | a | 37.65 | 48.90 | a | 50.77 | 52.79 | b | 41.23 | d | 31.90 | 19.67 | 17.42 | 32.16 | |||||||||
1960 | 9.81 | 15.83 | 25.23 | 30.97 | 35.20 | a | 46.69 | a | 51.77 | 49.87 | 45.32 | b | 31.87 | 22.80 | 12.55 | 31.49 | ||||||||||
1961 | 7.55 | 18.68 | 25.32 | 27.54 | b | 37.36 | c | 45.71 | b | 52.03 | b | 52.57 | a | 39.93 | 30.77 | a | 22.43 | 12.48 | 31.03 | |||||||
1962 | 10.29 | 22.64 | 18.74 | 33.07 | 36.19 | 45.47 | 51.84 | 49.58 | 45.30 | 33.42 | 25.10 | 18.13 | 32.48 | |||||||||||||
1963 | 5.94 | 17.68 | 24.94 | 29.90 | 39.71 | 47.03 | 54.94 | 53.39 | 47.47 | 38.77 | 23.97 | 11.77 | 32.96 | |||||||||||||
1964 | 8.71 | 10.28 | 20.48 | 29.03 | 39.48 | 45.90 | 55.81 | 51.77 | 47.27 | 32.74 | 22.20 | 14.77 | 31.54 | |||||||||||||
1965 | 17.97 | 16.14 | 21.45 | 31.65 | d | 38.10 | 47.29 | b | 55.55 | 50.77 | 43.63 | 31.74 | 25.93 | 16.81 | 33.09 | |||||||||||
1966 | 10.06 | 14.54 | 22.58 | ----- | z | 39.33 | a | 47.28 | a | 59.03 | a | 52.33 | d | 44.48 | c | 30.81 | 23.55 | a | 11.68 | 32.33 | a | |||||
1967 | 7.65 | 16.89 | a | 26.42 | 30.33 | 36.20 | a | 46.07 | 53.42 | 51.07 | b | 44.64 | e | 31.97 | 22.97 | 10.13 | 31.48 | |||||||||
1968 | 10.00 | a | 20.65 | c | 24.86 | c | 29.15 | d | 35.79 | g | 45.04 | b | 49.94 | 50.93 | b | 42.17 | 32.58 | 21.63 | 7.88 | g | 32.69 | b | ||||
1969 | 18.17 | h | 17.18 | 19.09 | i | 32.11 | l | 42.94 | 48.57 | 56.84 | 53.84 | 47.12 | e | 34.55 | 29.09 | s | 18.63 | a | 39.96 | d | ||||||
1970 | 13.94 | 20.50 | 22.55 | 27.57 | 38.58 | 45.03 | 55.20 | a | 53.87 | 41.43 | 29.06 | 21.17 | 12.61 | 31.79 | ||||||||||||
1971 | 10.19 | 18.21 | 22.10 | 28.93 | 34.87 | 45.87 | 52.84 | 51.61 | 43.47 | 31.16 | 22.00 | 12.26 | 31.13 | |||||||||||||
1972 | 13.19 | 17.52 | 27.23 | 29.47 | 38.29 | 43.45 | a | 51.00 | 51.19 | 45.80 | 39.70 | a | 21.00 | 14.42 | 32.69 | |||||||||||
1973 | 11.35 | 18.07 | 26.00 | 27.50 | 39.00 | 44.97 | 52.87 | 52.16 | 42.00 | 31.68 | 22.87 | 13.55 | 31.83 | |||||||||||||
1974 | 13.77 | 15.25 | 27.39 | 29.47 | 38.48 | 48.97 | 53.06 | 50.52 | 43.00 | 39.10 | 23.43 | 11.58 | 32.83 | |||||||||||||
1975 | 8.68 | 18.75 | 24.81 | 26.40 | 36.45 | 45.50 | 54.58 | 51.61 | 43.83 | 32.32 | 20.37 | 15.32 | 31.55 | |||||||||||||
1976 | 10.68 | 24.14 | a | 24.87 | 31.52 | a | 35.52 | 49.31 | a | 53.52 | 51.38 | e | ----- | z | ----- | z | ----- | z | ----- | z | 35.12 | d | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 12.29 | 17.95 | 23.79 | 30.38 | 38.38 | 46.47 | 53.30 | 52.00 | 44.15 | 33.38 | 20.86 | 14.14 | 31.94 | |||||||||||||
S.D. | 3.82 | 4.14 | 2.62 | 2.21 | 2.56 | 2.31 | 2.21 | 2.11 | 2.18 | 2.68 | 2.82 | 3.03 | 1.04 | |||||||||||||
SKEW | 0.31 | -0.42 | 0.19 | 0.26 | 1.13 | 0.44 | 0.46 | 1.02 | 0.20 | 0.86 | -0.74 | -0.22 | -0.19 | |||||||||||||
MAX | 20.13 | 26.00 | 30.87 | 36.17 | 47.45 | 54.03 | 59.03 | 59.87 | 49.37 | 39.70 | 25.93 | 18.63 | 34.24 | |||||||||||||
MIN | 5.23 | 8.19 | 18.20 | 25.63 | 34.26 | 40.64 | 48.64 | 47.68 | 39.93 | 29.06 | 12.37 | 8.42 | 29.04 | |||||||||||||
YRS | 38 | 40 | 39 | 40 | 38 | 39 | 37 | 38 | 37 | 38 | 35 | 37 | 31 |