| YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
| 1893 | 22.52 | 21.86 | f | 27.62 | b | 34.69 | a | 39.26 | d | 42.58 | f | 51.48 | b | 53.58 | 47.22 | g | 34.13 | h | 30.00 | l | 25.81 | o | 38.19 | |||
| 1894 | 25.22 | v | 20.56 | s | 28.61 | h | 32.06 | m | 39.56 | d | 41.50 | h | 47.72 | m | 52.28 | m | 43.47 | m | 41.79 | q | 33.52 | g | 24.47 | a | 32.01 | |
| 1895 | 23.00 | a | 27.36 | 28.77 | 35.77 | 39.60 | f | 44.79 | a | 50.33 | a | 50.58 | 42.33 | 39.00 | 28.07 | 28.42 | 36.22 | |||||||||
| 1896 | 31.71 | 26.00 | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.71 | ||
| 1897 | ----- | z | 24.75 | ----- | z | 37.53 | 44.87 | 47.30 | 50.74 | 54.58 | 44.30 | 37.03 | 30.07 | ----- | z | 41.24 | ||||||||||
| 1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1900 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1902 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 9999.00 | |
| 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 | 50.03 | 49.37 | 40.23 | 30.67 | 25.77 | a | 39.21 | |||||
| 1939 | 27.06 | 23.61 | 30.88 | g | 36.63 | 42.48 | 45.13 | 53.94 | 51.97 | a | 46.03 | 37.63 | a | 30.17 | 33.03 | 38.88 | ||||||||||
| 1940 | 26.55 | 31.66 | 33.19 | 36.57 | 43.58 | 49.73 | 54.00 | 51.71 | 50.56 | l | 42.04 | f | 29.03 | 25.26 | 38.13 | |||||||||||
| 1941 | 28.35 | 29.64 | 32.87 | 35.90 | ----- | z | ----- | z | 53.03 | a | 52.97 | a | 40.76 | a | 37.35 | 33.57 | 28.97 | 37.34 | ||||||||
| 1942 | 19.35 | 23.96 | 29.19 | 36.31 | a | 39.58 | 44.53 | 53.13 | 50.61 | 43.17 | a | 38.84 | 31.37 | 28.06 | 36.51 | |||||||||||
| 1943 | 19.39 | 27.30 | a | 29.47 | a | 37.90 | 38.68 | 44.33 | 50.97 | 48.39 | 46.77 | 40.71 | 31.47 | 24.30 | a | 36.64 | ||||||||||
| 1944 | 21.77 | 25.41 | 27.65 | 34.53 | 39.58 | 44.47 | 49.42 | 48.00 | 46.37 | 41.03 | 28.67 | 21.29 | 35.68 | |||||||||||||
| 1945 | 24.97 | 28.29 | 29.45 | 33.90 | 41.19 | 44.21 | b | 51.68 | 50.90 | 42.57 | 38.19 | 32.17 | 23.94 | 36.79 | ||||||||||||
| 1946 | 23.81 | 26.21 | 31.45 | 34.10 | a | 40.16 | 45.90 | 52.35 | 49.84 | 42.50 | 32.68 | 28.37 | 29.03 | 36.37 | ||||||||||||
| 1947 | 19.03 | 29.14 | 32.45 | 35.43 | 43.81 | 45.03 | 50.26 | 48.35 | 45.77 | 41.29 | 30.63 | 26.84 | 37.34 | |||||||||||||
| 1948 | 24.58 | 21.03 | 28.29 | 34.43 | 40.35 | 50.00 | 49.50 | a | 49.45 | 43.37 | 35.68 | 29.73 | 19.52 | 35.49 | ||||||||||||
| 1949 | 4.39 | 24.93 | 32.00 | 36.57 | 43.74 | 45.50 | 51.39 | 50.32 | 46.52 | a | 33.81 | 35.93 | 24.77 | 35.82 | ||||||||||||
| 1950 | 18.42 | 27.68 | 28.74 | 33.07 | 36.77 | 46.45 | a | 51.74 | 52.16 | 45.55 | a | 42.30 | a | 34.80 | 33.81 | 37.62 | ||||||||||
| 1951 | 24.65 | 28.79 | 27.45 | 34.30 | 40.55 | 43.43 | 51.57 | a | 49.52 | 44.53 | 37.32 | 29.60 | 24.39 | 36.34 | ||||||||||||
| 1952 | 22.06 | 23.48 | 28.43 | a | 36.10 | 41.71 | 45.63 | 51.81 | 50.23 | 47.17 | 40.23 | 22.73 | 26.32 | 36.33 | ||||||||||||
| 1953 | 35.29 | 25.61 | 28.77 | 28.73 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.60 | |||||
| Period of Record Statistics | ||||||||||||||||||||||||||
| MEAN | 23.16 | 26.40 | 29.74 | 35.14 | 40.99 | 45.76 | 51.61 | 50.73 | 44.82 | 38.33 | 30.41 | 26.36 | 36.45 | |||||||||||||
| S.D. | 6.44 | 2.69 | 1.97 | 2.07 | 2.21 | 1.92 | 1.37 | 1.81 | 2.26 | 2.70 | 2.96 | 3.67 | 0.65 | |||||||||||||
| SKEW | -0.96 | -0.01 | 0.62 | -1.56 | 0.12 | 1.24 | 0.21 | 0.45 | 0.07 | -0.57 | -0.48 | 0.34 | 0.33 | |||||||||||||
| MAX | 35.29 | 31.66 | 33.19 | 37.90 | 44.87 | 50.00 | 54.00 | 54.58 | 49.37 | 42.30 | 35.93 | 33.81 | 37.62 | |||||||||||||
| MIN | 4.39 | 21.03 | 27.45 | 28.73 | 36.77 | 43.43 | 49.42 | 48.00 | 40.76 | 32.68 | 22.73 | 19.52 | 35.49 | |||||||||||||
| NO YRS | 18 | 17 | 16 | 18 | 16 | 15 | 17 | 18 | 16 | 16 | 17 | 17 | 11 | |||||||||||||