| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.15 | ----- | z | ----- | z | ----- | z | ----- | z | 60.15 | ||
| 1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.63 | 30.63 | ||
| 1943 | 26.34 | 28.14 | 34.48 | 45.45 | 49.18 | 53.95 | 63.26 | 60.42 | 56.07 | 43.81 | 31.68 | 23.73 | 43.04 | |||||||||||||
| 1944 | 18.68 | 22.62 | 28.13 | 34.62 | 46.56 | 52.32 | 61.76 | 62.08 | 56.25 | 44.32 | 28.35 | 23.61 | 39.94 | |||||||||||||
| 1945 | 23.26 | 26.86 | 25.55 | 34.23 | 47.60 | a | 53.12 | a | 62.31 | 61.03 | 53.37 | 44.02 | 29.40 | 21.10 | a | 40.15 | ||||||||||
| 1946 | 19.37 | a | 24.54 | 32.61 | 43.13 | 46.65 | 58.28 | 63.52 | 61.24 | 53.87 | 37.94 | 26.43 | 25.02 | 41.05 | ||||||||||||
| 1947 | 19.80 | c | 28.89 | j | 33.97 | 38.92 | 50.23 | 54.07 | 62.18 | 58.97 | 56.72 | 45.15 | a | 24.87 | 19.87 | 42.25 | ||||||||||
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.61 | 63.10 | 52.80 | 41.87 | 26.27 | 20.87 | 44.92 | |||||||
| 1949 | 11.82 | 14.95 | 27.66 | 40.28 | 45.95 | 54.05 | 61.74 | 60.81 | 57.18 | 41.03 | 39.35 | 21.61 | 39.70 | |||||||||||||
| 1950 | 17.92 | 26.36 | 32.03 | 42.02 | 45.94 | 56.17 | 62.71 | 60.84 | 52.40 | 47.73 | 36.33 | 32.31 | 42.73 | |||||||||||||
| 1951 | 23.00 | 26.12 | 30.31 | 40.03 | 47.21 | 55.18 | 64.31 | 59.79 | 54.80 | 41.39 | 28.77 | 19.85 | 40.90 | |||||||||||||
| 1952 | 17.03 | 20.66 | 23.65 | 37.92 | 48.06 | 54.42 | 61.81 | 61.55 | 55.15 | 47.24 | 25.15 | 19.55 | 39.35 | |||||||||||||
| 1953 | 28.53 | 24.57 | 30.89 | 37.40 | 41.26 | 56.23 | 64.32 | 59.02 | 55.48 | 42.15 | 34.45 | 24.37 | 41.56 | |||||||||||||
| 1954 | 23.90 | 31.29 | 28.89 | 44.15 | 50.79 | 56.15 | 64.10 | 59.52 | 53.35 | 44.52 | 35.18 | 21.45 | 42.77 | |||||||||||||
| 1955 | 16.27 | 16.21 | 27.63 | 35.03 | 44.98 | 52.82 | 60.63 | 61.05 | a | 53.83 | 44.53 | 30.18 | 26.23 | 39.12 | ||||||||||||
| 1956 | 27.76 | 19.62 | 32.40 | 38.00 | 47.52 | 58.37 | 61.98 | 58.21 | 56.00 | a | 41.90 | 28.57 | a | 26.18 | 41.38 | |||||||||||
| 1957 | 20.45 | a | 29.77 | 31.32 | 36.72 | 42.47 | 57.62 | 62.18 | 60.15 | 52.52 | 40.63 | 25.83 | 25.77 | 40.45 | ||||||||||||
| 1958 | 22.47 | a | 28.14 | 25.11 | 34.83 | 50.32 | a | 58.27 | 62.81 | 64.21 | 53.50 | 43.36 | b | 31.09 | a | 31.60 | a | 42.14 | ||||||||
| 1959 | 24.52 | a | 23.39 | a | 32.55 | 41.83 | 46.44 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 30.57 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 21.32 | 24.22 | 29.82 | 39.04 | 46.98 | 55.40 | 62.76 | 60.71 | 54.58 | 43.22 | 30.12 | 24.34 | 41.02 | |||||||||||||
| S.D. | 4.49 | 4.74 | 3.28 | 3.56 | 2.71 | 2.07 | 1.15 | 1.50 | 1.57 | 2.49 | 4.31 | 4.09 | 1.31 | |||||||||||||
| SKEW | -0.23 | -0.54 | -0.39 | 0.25 | -0.56 | 0.15 | 0.16 | 0.57 | 0.14 | -0.08 | 0.67 | 0.70 | 0.16 | |||||||||||||
| MAX | 28.53 | 31.29 | 34.48 | 45.45 | 50.79 | 58.37 | 64.61 | 64.21 | 57.18 | 47.73 | 39.35 | 32.31 | 43.04 | |||||||||||||
| MIN | 11.82 | 14.95 | 23.65 | 34.23 | 41.26 | 52.32 | 60.63 | 58.21 | 52.40 | 37.94 | 24.87 | 19.55 | 39.12 | |||||||||||||
| NO YRS | 16 | 15 | 16 | 16 | 15 | 15 | 16 | 17 | 16 | 16 | 16 | 17 | 14 | |||||||||||||