| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.06 | ----- | z | ----- | z | ----- | z | ----- | z | 45.06 | ||
| 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 | 15.58 | 15.58 | ||
| 1943 | 10.35 | 12.00 | 17.84 | 26.77 | 30.58 | 34.90 | 43.42 | 43.42 | 37.13 | 28.61 | 9.70 | 12.19 | 25.58 | |||||||||||||
| 1944 | 6.74 | 9.52 | 13.00 | 21.43 | 29.71 | 34.90 | 42.23 | 42.13 | 37.30 | 26.65 | 16.03 | 10.29 | 24.16 | |||||||||||||
| 1945 | 9.61 | 14.43 | 11.45 | 19.33 | 31.33 | a | 34.62 | a | 44.77 | 45.35 | 35.37 | 29.32 | 14.53 | 8.33 | a | 24.87 | ||||||||||
| 1946 | 6.35 | 9.71 | 19.13 | 27.27 | 30.29 | 38.47 | 45.97 | 45.55 | 34.90 | 25.00 | 15.10 | 12.26 | 25.83 | |||||||||||||
| 1947 | 4.00 | a | 15.05 | g | 18.68 | 23.33 | 32.61 | 37.20 | 43.26 | 43.35 | 38.77 | 29.13 | a | 12.80 | 7.52 | 26.42 | ||||||||||
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.42 | 49.52 | 36.47 | 26.16 | 12.77 | 9.19 | 30.75 | |||||||
| 1949 | -0.35 | -1.57 | 12.52 | 24.70 | 30.97 | 38.17 | 44.39 | 42.90 | 39.33 | 25.42 | 21.10 | 7.32 | 23.74 | |||||||||||||
| 1950 | 2.52 | 10.61 | 17.94 | 24.20 | 27.06 | 35.17 | 46.06 | 41.16 | 34.40 | 28.65 | 19.93 | 17.06 | 25.40 | |||||||||||||
| 1951 | 7.84 | 12.11 | 15.65 | 25.03 | 30.65 | 35.37 | 45.16 | 43.19 | 33.93 | 24.71 | 13.93 | 5.87 | 24.45 | |||||||||||||
| 1952 | 1.65 | 4.07 | 10.77 | 23.10 | 30.06 | 34.90 | 43.06 | 43.52 | 36.63 | 26.06 | 9.17 | 4.61 | 22.30 | |||||||||||||
| 1953 | 12.29 | 9.29 | 15.03 | 20.50 | 25.26 | 36.07 | 47.94 | 42.71 | 35.63 | 26.81 | 21.03 | 10.42 | 25.25 | |||||||||||||
| 1954 | 9.23 | 13.50 | 15.06 | 25.87 | 32.45 | 37.60 | 46.06 | 40.77 | 36.17 | 27.26 | 18.80 | 5.00 | 25.65 | |||||||||||||
| 1955 | 1.29 | 0.11 | 11.19 | 18.53 | 27.26 | 32.67 | 41.77 | 44.67 | a | 34.13 | 25.55 | 15.80 | 12.61 | 22.13 | ||||||||||||
| 1956 | 15.06 | 3.66 | 15.58 | 22.60 | 29.87 | 37.50 | 43.90 | 39.84 | 35.62 | a | 24.87 | 10.59 | a | 10.23 | 24.11 | |||||||||||
| 1957 | 8.23 | a | 16.43 | 18.55 | 23.47 | 27.68 | 38.63 | 45.48 | 45.35 | 32.73 | 29.06 | 13.40 | 11.65 | 25.89 | ||||||||||||
| 1958 | 7.90 | a | 15.32 | 12.81 | 20.63 | 32.90 | 39.33 | 44.00 | 47.06 | 38.00 | 26.67 | a | 15.55 | a | 16.47 | a | 26.39 | |||||||||
| 1959 | 11.07 | a | 10.96 | a | 18.68 | 24.50 | 30.92 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 16.30 | |||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 7.11 | 9.34 | 15.24 | 23.20 | 29.91 | 36.37 | 44.87 | 43.86 | 36.03 | 26.87 | 15.01 | 10.39 | 24.70 | |||||||||||||
| S.D. | 4.32 | 5.43 | 2.98 | 2.57 | 2.22 | 1.91 | 2.18 | 2.38 | 1.81 | 1.62 | 3.74 | 3.77 | 1.30 | |||||||||||||
| SKEW | -0.12 | -0.74 | -0.11 | -0.24 | -0.58 | -0.12 | 0.94 | 0.50 | 0.11 | 0.27 | 0.20 | 0.22 | -0.79 | |||||||||||||
| MAX | 15.06 | 16.43 | 19.13 | 27.27 | 32.90 | 39.33 | 50.42 | 49.52 | 39.33 | 29.32 | 21.10 | 17.06 | 26.39 | |||||||||||||
| MIN | -0.35 | -1.57 | 10.77 | 18.53 | 25.26 | 32.67 | 41.77 | 39.84 | 32.73 | 24.71 | 9.17 | 4.61 | 22.13 | |||||||||||||
| NO YRS | 16 | 15 | 16 | 16 | 15 | 15 | 16 | 17 | 16 | 16 | 16 | 17 | 14 | |||||||||||||