| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1938 | ----- | z | ----- | z | ----- | z | ----- | z | 30.47 | a | 34.97 | ----- | z | 38.59 | n | 39.43 | 34.65 | 19.28 | a | ----- | z | 31.76 | ||||
| 1939 | 17.19 | 15.00 | 20.35 | 27.90 | ----- | z | 34.70 | 40.37 | a | 37.71 | 34.62 | a | 31.87 | 25.77 | 23.33 | a | 28.07 | |||||||||
| 1940 | 17.13 | 26.31 | 25.55 | ----- | z | 30.58 | ----- | z | 36.71 | 36.03 | 35.77 | ----- | z | 23.90 | 20.68 | 28.07 | ||||||||||
| 1941 | 21.06 | 22.50 | 22.52 | 25.93 | 33.55 | 36.00 | 39.00 | 39.32 | 30.90 | 28.87 | 24.50 | 21.03 | 28.77 | |||||||||||||
| 1942 | ----- | z | 18.39 | 19.77 | 27.10 | 30.65 | 34.30 | 39.97 | 37.68 | 31.97 | 27.90 | 25.20 | 23.65 | 28.78 | ||||||||||||
| 1943 | 15.55 | 16.61 | 23.19 | 29.03 | 29.65 | 34.80 | 38.74 | ----- | z | 39.91 | g | 25.88 | o | ----- | z | ----- | z | 26.80 | ||||||||
| 1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.26 | 38.48 | b | ----- | z | 20.68 | ----- | z | ----- | z | 35.81 | |||
| 1949 | ----- | z | 18.37 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 18.37 | |
| 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | 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 | ----- | z | 9999.00 | |
| 1964 | ----- | z | 17.17 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 17.17 | ||
| 1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 17.73 | 19.19 | 22.28 | 27.49 | 30.98 | 34.95 | 40.51 | 37.84 | 34.54 | 28.79 | 23.73 | 22.17 | 28.77 | |||||||||||||
| S.D. | 2.35 | 3.90 | 2.32 | 1.31 | 1.49 | 0.63 | 4.00 | 1.22 | 3.37 | 5.25 | 2.59 | 1.53 | 0.00 | |||||||||||||
| SKEW | 0.78 | 0.90 | 0.29 | -0.02 | 1.21 | 0.94 | 1.37 | -0.38 | 0.40 | -0.59 | -1.23 | -0.01 | 0.00 | |||||||||||||
| MAX | 21.06 | 26.31 | 25.55 | 29.03 | 33.55 | 36.00 | 48.26 | 39.32 | 39.43 | 34.65 | 25.77 | 23.65 | 28.77 | |||||||||||||
| MIN | 15.55 | 15.00 | 19.77 | 25.93 | 29.65 | 34.30 | 36.71 | 36.03 | 30.90 | 20.68 | 19.28 | 20.68 | 28.77 | |||||||||||||
| NO YRS | 4 | 7 | 5 | 4 | 5 | 5 | 6 | 5 | 5 | 5 | 5 | 4 | 1 | |||||||||||||