| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.00 | a | 72.00 | ----- | z | 90.00 | e | ----- | z | ----- | z | ----- | z | 90.00 | ||
| 1923 | ----- | z | ----- | z | ----- | z | 72.00 | a | 68.00 | 76.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.00 | |||
| 1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 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 | ----- | z | 9999.00 | |
| 1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 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 | 68.00 | a | 82.00 | 79.00 | b | 80.00 | 80.00 | 64.00 | 57.00 | c | 82.00 | |||||
| 1954 | 59.00 | b | 67.00 | b | 68.00 | f | 70.00 | 78.00 | a | 73.00 | b | 71.00 | c | 73.00 | b | 72.00 | b | 77.00 | 69.00 | d | 59.00 | p | 78.00 | |||
| 1955 | 57.00 | 54.00 | 60.00 | 70.00 | 66.00 | e | 95.00 | 70.00 | a | 69.00 | 90.00 | a | 76.00 | a | 65.00 | a | 54.00 | a | 95.00 | |||||||
| 1956 | 54.00 | 55.00 | 67.00 | 82.00 | 84.00 | c | 71.00 | a | 93.00 | a | 72.00 | 88.00 | 75.00 | l | 65.00 | a | 63.00 | 93.00 | ||||||||
| 1957 | 55.00 | 65.00 | 65.00 | 73.00 | 68.00 | 72.00 | b | 70.00 | 75.00 | 86.00 | 70.00 | d | 64.00 | 64.00 | a | 86.00 | ||||||||||
| 1958 | 57.00 | c | 63.00 | 62.00 | 74.00 | 84.00 | a | 88.00 | a | 88.00 | 78.00 | a | ----- | z | ----- | z | ----- | z | ----- | z | 88.00 | |||||
| 1959 | ----- | z | ----- | z | ----- | z | 55.00 | z | ----- | z | 70.00 | c | 90.00 | 72.00 | 78.00 | 78.00 | b | 68.00 | c | 58.00 | c | 90.00 | ||||
| 1960 | 60.00 | 55.00 | 70.00 | 69.00 | a | 70.00 | 68.00 | a | 85.00 | a | 72.00 | b | 84.00 | b | 77.00 | a | 64.00 | b | 65.00 | 85.00 | ||||||
| 1961 | 69.00 | 62.00 | 60.00 | 63.00 | a | 83.00 | 75.00 | 101.00 | b | 72.00 | c | 80.00 | 82.00 | 64.00 | a | 61.00 | b | 101.00 | ||||||||
| 1962 | 64.00 | 61.00 | 68.00 | a | 72.00 | 62.00 | 68.00 | a | 70.00 | 75.00 | 88.00 | a | 73.00 | 75.00 | 62.00 | 88.00 | ||||||||||
| 1963 | 54.00 | 73.00 | 63.00 | b | 68.00 | 89.00 | 72.00 | 72.00 | 78.00 | 85.00 | a | 70.00 | 60.00 | b | 60.00 | 89.00 | ||||||||||
| 1964 | 55.00 | 58.00 | 70.00 | 60.00 | 73.00 | ----- | z | 71.00 | 81.00 | a | 78.00 | 81.00 | 56.00 | 53.00 | b | 81.00 | ||||||||||
| 1965 | 67.00 | 57.00 | 72.00 | 70.00 | 63.00 | 68.00 | 80.00 | a | 85.00 | 83.00 | 75.00 | 63.00 | 59.00 | a | 85.00 | |||||||||||
| 1966 | 57.00 | 63.00 | 71.00 | 77.00 | 72.00 | 92.00 | 69.00 | 87.00 | 85.00 | 80.00 | 66.00 | a | 55.00 | 92.00 | ||||||||||||
| 1967 | 53.00 | 58.00 | 56.00 | 62.00 | b | 69.00 | b | 75.00 | 89.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 89.00 | ||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 58.54 | 60.85 | 65.33 | 70.14 | 73.50 | 74.94 | 79.56 | 76.29 | 83.36 | 76.58 | 64.85 | 59.25 | 88.50 | |||||||||||||
| S.D. | 5.14 | 5.47 | 5.14 | 5.84 | 8.62 | 8.82 | 10.30 | 5.31 | 5.21 | 4.01 | 4.47 | 3.96 | 2.89 | |||||||||||||
| SKEW | 0.93 | 0.69 | -0.32 | 0.05 | 0.43 | 1.34 | 0.57 | 0.68 | -0.58 | -0.43 | 0.33 | -0.16 | 0.00 | |||||||||||||
| MAX | 69.00 | 73.00 | 72.00 | 82.00 | 89.00 | 95.00 | 101.00 | 87.00 | 90.00 | 82.00 | 75.00 | 65.00 | 92.00 | |||||||||||||
| MIN | 53.00 | 54.00 | 56.00 | 60.00 | 62.00 | 68.00 | 69.00 | 69.00 | 72.00 | 70.00 | 56.00 | 53.00 | 85.00 | |||||||||||||
| NO YRS | 13 | 13 | 12 | 14 | 14 | 16 | 16 | 14 | 14 | 12 | 13 | 12 | 4 | |||||||||||||