| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.81 | r | 62.50 | 57.80 | 45.68 | a | 41.56 | l | 34.17 | a | 50.04 | |||
| 1957 | 17.06 | 34.11 | 39.44 | 46.03 | 53.53 | 59.55 | 62.10 | 59.32 | 58.63 | 44.77 | 35.37 | 37.10 | 45.58 | |||||||||||||
| 1958 | 35.65 | 41.91 | 37.50 | 43.65 | 57.06 | 61.57 | 67.63 | 69.45 | 60.47 | ----- | z | 37.29 | d | 37.98 | 50.01 | |||||||||||
| 1959 | 32.39 | l | 34.21 | p | 40.38 | b | 45.77 | 47.73 | 58.18 | 65.85 | 62.07 | h | ----- | z | ----- | z | ----- | z | ----- | z | 51.58 | |||||
| 1960 | 24.83 | v | 33.21 | o | 38.69 | m | 43.90 | o | 47.91 | h | 60.15 | f | 69.87 | l | 63.17 | m | 59.83 | r | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.84 | o | 9999.00 | |
| 1964 | 33.17 | a | 35.80 | a | 38.02 | a | 42.25 | 48.15 | e | 56.82 | 64.52 | a | 57.57 | q | 55.57 | i | 47.13 | d | 35.28 | a | 30.00 | 43.11 | ||||
| 1965 | 33.47 | 38.33 | a | 38.08 | a | 46.90 | a | 50.02 | b | 58.76 | c | 65.22 | a | 65.33 | g | 52.52 | i | 50.02 | g | 42.38 | m | 31.18 | a | 45.24 | ||
| 1966 | 32.37 | a | 34.13 | b | 39.65 | e | ----- | z | 53.68 | f | 57.33 | o | 65.32 | n | 65.04 | f | 58.68 | e | 49.02 | i | 39.57 | 35.54 | d | 39.99 | ||
| 1967 | 36.83 | b | 38.50 | k | 38.12 | e | 39.73 | f | 52.08 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.47 | |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 31.42 | 36.86 | 38.74 | 44.92 | 51.30 | 58.98 | 65.06 | 63.76 | 58.89 | 45.86 | 36.87 | 34.33 | 45.58 | |||||||||||||
| S.D. | 7.23 | 3.31 | 1.07 | 1.91 | 3.95 | 1.76 | 2.02 | 5.18 | 1.12 | 1.19 | 2.02 | 3.20 | 0.00 | |||||||||||||
| SKEW | -1.57 | 0.69 | 0.37 | -0.45 | 0.56 | 0.35 | -0.32 | 0.42 | 0.64 | 0.27 | 0.56 | -0.27 | 0.00 | |||||||||||||
| MAX | 36.83 | 41.91 | 40.38 | 46.90 | 57.06 | 61.57 | 67.63 | 69.45 | 60.47 | 47.13 | 39.57 | 37.98 | 45.58 | |||||||||||||
| MIN | 17.06 | 34.11 | 37.50 | 42.25 | 47.73 | 56.82 | 62.10 | 59.32 | 57.80 | 44.77 | 35.28 | 30.00 | 45.58 | |||||||||||||
| NO YRS | 6 | 5 | 7 | 5 | 5 | 5 | 5 | 3 | 4 | 3 | 4 | 6 | 1 | |||||||||||||