| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1910 | ----- | z | ----- | z | ----- | z | 52.29 | a | 56.97 | 65.20 | 76.00 | 69.41 | b | 61.73 | b | 47.62 | s | 37.67 | c | 29.35 | 56.08 | |||||
| 1911 | 25.05 | 23.09 | 39.84 | 44.97 | 49.62 | j | 62.12 | j | 73.02 | a | 67.76 | f | 59.19 | a | 48.48 | 33.37 | d | 29.46 | f | 43.37 | ||||||
| 1912 | 22.48 | b | 30.24 | 34.13 | a | 46.75 | b | 55.55 | b | ----- | z | 71.07 | k | 66.91 | d | 56.28 | e | 47.30 | c | 39.43 | a | 27.02 | 42.61 | |||
| 1913 | 20.41 | d | 24.35 | e | 31.06 | 46.33 | d | 57.76 | d | 63.08 | ----- | z | 72.87 | 62.70 | 46.60 | 38.93 | 27.95 | 44.73 | ||||||||
| 1914 | 29.27 | 28.61 | 42.32 | 49.03 | 59.97 | 61.22 | 74.82 | 73.66 | 59.73 | 53.15 | 41.20 | 22.44 | 49.62 | |||||||||||||
| 1915 | 21.66 | 35.57 | 44.60 | ----- | z | 54.73 | p | 59.70 | e | 68.30 | f | 78.97 | ----- | z | ----- | z | ----- | z | ----- | z | 48.10 | |||||
| 1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 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 | 59.77 | 61.68 | 71.63 | 70.39 | 64.88 | a | 57.40 | a | 36.92 | 28.11 | h | 60.38 | ||||||
| 1945 | 27.21 | 34.36 | 38.32 | 45.22 | 56.27 | 55.13 | o | 74.92 | 73.10 | 58.22 | 53.40 | 35.47 | 28.32 | 47.71 | ||||||||||||
| 1946 | 25.95 | 27.70 | 39.37 | 50.77 | 56.76 | 63.03 | 73.55 | 72.40 | 57.80 | 42.47 | 34.95 | 32.48 | 48.10 | |||||||||||||
| 1947 | 21.45 | 34.00 | 43.00 | 48.23 | 61.23 | 59.77 | 75.48 | 71.44 | 61.85 | 52.34 | 34.63 | 29.82 | 49.44 | |||||||||||||
| 1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.56 | 61.88 | 50.37 | 33.72 | 18.61 | 47.03 | ||||||
| 1949 | 7.90 | 27.07 | 40.31 | 52.97 | 61.00 | a | 64.83 | 73.73 | 73.98 | 64.57 | 44.87 | 41.22 | 26.47 | 48.24 | ||||||||||||
| 1950 | 18.79 | 27.21 | 34.48 | 45.23 | 52.50 | 61.23 | 72.05 | 73.66 | 64.07 | 53.31 | 39.82 | 34.11 | 48.04 | |||||||||||||
| 1951 | 25.56 | 30.77 | 34.21 | 51.23 | 56.56 | 61.18 | 75.24 | 70.74 | 63.30 | 47.82 | 35.85 | 25.66 | 48.18 | |||||||||||||
| 1952 | 23.84 | 23.33 | 33.60 | 49.98 | 58.23 | 63.23 | 72.71 | 73.44 | 67.03 | 57.55 | 35.77 | 29.56 | 49.02 | |||||||||||||
| 1953 | 35.79 | 34.71 | 40.34 | 45.77 | 51.50 | 59.12 | 75.61 | 71.63 | ----- | z | ----- | z | 37.96 | q | 27.78 | m | 51.81 | |||||||||
| 1954 | 31.78 | f | 35.98 | 37.76 | 47.82 | 58.45 | b | 59.98 | 74.10 | 68.47 | 61.97 | 50.29 | g | 43.90 | ----- | z | 54.27 | |||||||||
| 1955 | 20.61 | i | 24.34 | f | 29.35 | a | 42.38 | 52.53 | n | 65.82 | 70.89 | 75.26 | 63.32 | 51.18 | ----- | z | ----- | z | 56.88 | |||||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 23.49 | 29.78 | 37.51 | 47.93 | 57.32 | 62.08 | 73.84 | 72.17 | 61.78 | 50.45 | 37.52 | 27.65 | 48.66 | |||||||||||||
| S.D. | 6.42 | 4.57 | 4.50 | 3.07 | 2.86 | 2.17 | 1.61 | 2.78 | 2.89 | 4.45 | 3.12 | 4.17 | 0.68 | |||||||||||||
| SKEW | -0.59 | -0.05 | -0.23 | 0.07 | -0.59 | 0.35 | -0.37 | 0.39 | -0.25 | -0.02 | 0.48 | -0.63 | 0.51 | |||||||||||||
| MAX | 35.79 | 35.98 | 44.60 | 52.97 | 61.23 | 65.82 | 76.00 | 78.97 | 67.03 | 57.55 | 43.90 | 34.11 | 49.62 | |||||||||||||
| MIN | 7.90 | 23.09 | 29.35 | 42.38 | 51.50 | 59.12 | 70.89 | 66.91 | 56.28 | 42.47 | 33.37 | 18.61 | 48.04 | |||||||||||||
| NO YRS | 13 | 14 | 15 | 15 | 14 | 14 | 14 | 17 | 16 | 14 | 15 | 12 | 7 | |||||||||||||