| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.74 | 50.10 | 33.94 | 24.57 | 16.65 | 36.20 | ||||||
| 1949 | 6.23 | ----- | z | 42.90 | j | ----- | z | ----- | z | 50.79 | a | 55.19 | 53.93 | b | 45.70 | 34.17 | a | 33.93 | b | 18.37 | d | 37.29 | ||||
| 1950 | 15.61 | 24.43 | 25.26 | 33.27 | 38.48 | 50.10 | 53.65 | 50.94 | 45.17 | 39.87 | 24.83 | 23.97 | 35.46 | |||||||||||||
| 1951 | 15.61 | 21.14 | 21.65 | 31.07 | 43.13 | 46.13 | 56.35 | 55.65 | e | 44.00 | c | 32.65 | 22.83 | 17.06 | 33.94 | |||||||||||
| 1952 | 19.71 | 19.76 | 19.65 | 31.83 | 40.84 | 52.20 | 54.84 | 53.19 | 44.17 | 31.00 | 23.11 | k | 18.10 | k | 36.72 | |||||||||||
| 1953 | 27.23 | 19.75 | 27.55 | 29.50 | 37.94 | 50.83 | 55.58 | 51.90 | 44.24 | e | 32.13 | a | 26.50 | 20.10 | 35.27 | |||||||||||
| 1954 | 23.42 | 29.04 | 22.77 | 38.21 | a | 42.59 | d | 52.11 | b | 59.81 | d | 55.29 | c | 48.72 | a | 36.43 | c | ----- | z | 22.90 | b | 39.21 | ||||
| 1955 | 17.06 | 16.79 | 23.06 | 35.87 | 43.00 | 49.00 | 56.52 | 52.81 | 43.67 | 33.97 | 20.80 | 21.68 | 34.52 | |||||||||||||
| 1956 | 21.45 | 15.21 | 26.39 | 33.30 | 44.77 | 55.27 | 56.24 | n | 53.00 | 46.00 | 37.39 | 24.20 | 23.65 | 34.60 | ||||||||||||
| 1957 | 13.61 | 28.11 | 26.26 | 28.77 | 40.26 | 50.93 | 57.65 | 56.32 | 44.97 | 41.13 | 26.80 | ----- | z | 37.71 | ||||||||||||
| 1958 | 18.19 | 24.39 | 23.23 | 32.30 | 47.45 | 53.00 | ----- | z | 57.13 | 46.90 | 38.71 | 26.37 | 24.61 | 35.66 | ||||||||||||
| 1959 | 16.87 | a | 21.46 | 25.81 | 34.77 | 44.32 | 53.97 | 55.13 | 57.00 | 45.50 | 34.10 | 24.20 | 24.52 | 36.47 | ||||||||||||
| 1960 | 18.74 | 14.83 | 25.26 | 37.80 | 43.39 | 53.77 | 57.74 | 55.50 | c | ----- | z | 37.81 | 26.53 | 17.97 | 35.39 | |||||||||||
| 1961 | 19.58 | 23.82 | 28.19 | 32.30 | 43.71 | 51.30 | 56.50 | a | 55.45 | 43.50 | 35.68 | 23.47 | 15.73 | a | 35.77 | |||||||||||
| 1962 | 7.94 | 20.33 | a | 22.94 | 36.73 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 21.98 | ||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 17.23 | 21.47 | 24.46 | 33.52 | 42.49 | 51.49 | 56.27 | 54.56 | 45.59 | 35.64 | 25.42 | 20.60 | 35.24 | |||||||||||||
| S.D. | 5.53 | 4.44 | 2.47 | 3.01 | 2.71 | 2.36 | 1.69 | 1.93 | 1.98 | 3.02 | 3.21 | 3.34 | 0.90 | |||||||||||||
| SKEW | -0.40 | 0.14 | -0.28 | 0.11 | -0.15 | -0.58 | 0.60 | -0.41 | 1.11 | 0.29 | 1.42 | -0.12 | -0.13 | |||||||||||||
| MAX | 27.23 | 29.04 | 28.19 | 38.21 | 47.45 | 55.27 | 59.81 | 57.13 | 50.10 | 41.13 | 33.93 | 24.61 | 36.47 | |||||||||||||
| MIN | 6.23 | 14.83 | 19.65 | 28.77 | 37.94 | 46.13 | 53.65 | 50.94 | 43.50 | 31.00 | 20.80 | 15.73 | 33.94 | |||||||||||||
| NO YRS | 14 | 13 | 13 | 13 | 12 | 13 | 11 | 14 | 13 | 14 | 12 | 12 | 6 | |||||||||||||