YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 86.53 | a | 73.97 | a | 61.48 | 23.21 | b | 38.31 | b | 56.70 | g | |
1897 | 22.65 | 28.50 | b | 34.24 | b | 58.03 | a | 74.74 | 80.00 | a | 90.03 | 84.19 | 86.83 | 68.80 | a | 40.79 | a | 29.54 | c | 58.20 | ||||||
1898 | 37.74 | 41.81 | b | 46.53 | a | 62.17 | 70.23 | 84.57 | 87.81 | 89.55 | 82.03 | 63.12 | f | 46.73 | 38.13 | a | 62.48 | a | ||||||||
1899 | 35.74 | 27.36 | c | 31.81 | ----- | z | 71.71 | 83.37 | ----- | z | 91.32 | l | 80.83 | 67.16 | 61.33 | 36.52 | 55.09 | c | ||||||||
1900 | 41.19 | 34.36 | 48.40 | a | 68.47 | 80.39 | 88.00 | 87.81 | 90.97 | 79.73 | 73.35 | 44.17 | 43.80 | a | 65.05 | |||||||||||
1901 | 38.92 | e | 35.16 | c | 51.68 | f | 65.41 | c | 79.97 | b | 81.90 | a | 96.71 | c | 89.66 | b | 71.96 | b | 69.03 | 52.63 | c | 30.40 | a | 64.70 | a | |
1902 | 36.61 | c | 28.39 | 47.23 | 61.97 | 77.14 | b | 77.83 | a | 89.70 | a | 81.94 | 76.21 | a | 68.42 | 49.70 | 24.48 | 59.97 | ||||||||
1903 | 30.77 | 25.57 | 44.33 | a | 64.30 | 74.67 | a | 81.07 | 88.00 | 84.35 | 74.63 | 71.84 | 45.17 | 32.13 | a | 59.74 | ||||||||||
1904 | 26.19 | 25.79 | 47.65 | 60.03 | 73.58 | 81.36 | b | 86.13 | 88.45 | 80.07 | 70.13 | 57.03 | 34.13 | 60.88 | ||||||||||||
1905 | 22.06 | 26.29 | 54.68 | 60.07 | 66.87 | 78.27 | 83.19 | 90.55 | 84.77 | 61.20 | a | 54.37 | 40.13 | 60.20 | ||||||||||||
1906 | 35.42 | 38.46 | 33.61 | 66.47 | 73.13 | 79.63 | 87.29 | 85.19 | 80.83 | 65.61 | 45.13 | 35.58 | 60.53 | |||||||||||||
1907 | 20.13 | 35.37 | a | 55.32 | 54.97 | 65.94 | 79.60 | 86.29 | 89.61 | 76.47 | 70.04 | c | 54.83 | 43.52 | 61.01 | |||||||||||
1908 | 42.74 | 36.59 | 50.29 | 68.83 | 70.77 | 79.00 | 87.10 | 85.16 | 85.37 | 63.55 | 50.28 | a | 32.17 | b | 62.65 | |||||||||||
1909 | 27.52 | 34.57 | 44.12 | f | 62.17 | g | ----- | z | 83.23 | 88.45 | 91.50 | a | 77.45 | a | 65.57 | a | 51.21 | k | 18.94 | o | 66.90 | e | ||||
1910 | 26.62 | e | 26.50 | 66.72 | b | 71.47 | 70.53 | a | 84.30 | 89.35 | 87.71 | 82.00 | 77.59 | i | ----- | z | 31.76 | j | 67.24 | c | ||||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.18 | c | 41.00 | f | 36.18 | c | 47.18 | j |
1912 | 18.24 | b | ----- | z | ----- | z | ----- | z | 75.83 | m | 82.63 | 85.81 | 83.70 | a | 70.20 | ----- | z | ----- | z | 43.61 | c | 64.03 | f | |||
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.88 | d | 58.21 | g | 53.62 | d | 35.65 | 55.38 | i | |
1914 | 37.29 | g | 22.20 | c | 40.00 | 57.67 | 67.60 | a | 79.87 | 91.23 | e | 87.16 | f | ----- | z | ----- | z | ----- | z | ----- | z | 59.76 | f | |||
1915 | 19.75 | w | 32.00 | 30.39 | 67.71 | b | 66.16 | 75.43 | 77.77 | 79.06 | 76.52 | a | 69.31 | b | 50.70 | 36.80 | a | 60.17 | a | |||||||
1916 | 18.29 | 33.33 | b | 52.23 | a | 60.07 | a | 72.24 | b | 76.43 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.10 | f | |
1917 | ----- | z | ----- | z | ----- | z | 54.47 | 68.35 | 79.41 | c | 90.77 | a | 84.73 | a | 75.71 | b | 61.43 | c | 56.85 | c | 24.74 | d | 66.27 | c | ||
1918 | 16.46 | c | 35.65 | b | 57.48 | 56.39 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.50 | h | |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 88.87 | p | 79.80 | 75.32 | 52.57 | 30.32 | 59.50 | h | ||||
1964 | 39.48 | 41.52 | 43.16 | 64.33 | ----- | z | 84.93 | 95.50 | a | 86.65 | 78.57 | 68.48 | 49.00 | 31.17 | a | 62.07 | a | |||||||||
1965 | 29.26 | 37.39 | 35.71 | 62.47 | 77.32 | 81.30 | 89.42 | 88.58 | 65.60 | 69.32 | 49.97 | 41.77 | 60.68 | |||||||||||||
1966 | 22.90 | 29.39 | 52.74 | 57.53 | 76.52 | 85.50 | 96.81 | 86.10 | 78.57 | 68.29 | 46.60 | 35.90 | 61.40 | |||||||||||||
1967 | 36.35 | 36.61 | 50.71 | 64.23 | 68.48 | 80.00 | 89.87 | 89.39 | 79.23 | 64.26 | 48.47 | 34.71 | 61.86 | |||||||||||||
1968 | 30.42 | 33.97 | 57.19 | 62.66 | a | 70.55 | 83.83 | 89.00 | 88.20 | a | 78.00 | 66.65 | 46.27 | 26.87 | 61.13 | |||||||||||
1969 | 20.74 | 30.86 | 36.32 | 67.47 | 79.19 | 78.93 | a | 89.61 | 92.71 | 81.60 | 56.45 | 50.03 | 34.93 | a | 59.90 | |||||||||||
1970 | 23.26 | 42.61 | 40.74 | 58.90 | 78.35 | 86.37 | 91.77 | 90.19 | 81.47 | 62.50 | a | 43.66 | a | 31.68 | 60.96 | |||||||||||
1971 | 23.68 | 34.11 | 44.47 | a | 64.77 | 72.42 | 88.17 | 87.00 | 92.13 | a | 77.90 | 65.06 | 46.50 | 32.50 | a | 60.73 | ||||||||||
1972 | 26.16 | 31.14 | 48.48 | 58.97 | 73.26 | 82.77 | 87.26 | 87.84 | 78.63 | 60.52 | 40.57 | 28.84 | 58.70 | |||||||||||||
1973 | 33.83 | a | 38.64 | 52.81 | 62.41 | a | 75.23 | a | 87.17 | 91.90 | 94.84 | 75.33 | 69.53 | a | ----- | z | 31.81 | 64.86 | a | |||||||
1974 | 35.42 | 42.36 | 53.97 | 65.90 | 73.84 | 85.72 | a | 97.13 | a | 87.27 | a | 79.53 | 70.58 | 50.80 | 39.97 | 65.21 | ||||||||||
1975 | 34.52 | 30.07 | 43.32 | 56.10 | 76.48 | 82.79 | a | 95.71 | 91.03 | 78.03 | 70.68 | 49.17 | a | 36.57 | c | 62.04 | ||||||||||
1976 | 33.35 | 50.07 | 49.10 | 69.07 | 77.10 | 89.17 | 94.84 | 94.61 | 82.23 | 62.74 | 45.57 | 36.74 | 65.38 | |||||||||||||
1977 | 23.39 | 43.71 | 49.39 | 69.27 | 81.03 | 87.37 | 92.44 | d | 85.29 | 78.10 | 65.16 | 47.25 | b | 30.50 | a | 62.74 | ||||||||||
1978 | 15.48 | 20.79 | 46.65 | 59.64 | b | 73.71 | 86.23 | 89.26 | 90.84 | 85.77 | 68.68 | ----- | z | 30.58 | 60.69 | a | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.92 | 33.67 | 46.63 | 62.57 | 73.47 | 82.53 | 89.72 | 88.08 | 78.60 | 66.54 | 48.43 | 34.43 | 61.38 | |||||||||||||
S.D. | 7.83 | 6.65 | 8.43 | 4.64 | 4.28 | 3.57 | 4.15 | 3.57 | 4.31 | 4.40 | 6.73 | 5.03 | 1.95 | |||||||||||||
SKEW | 0.01 | 0.22 | -0.10 | 0.05 | -0.05 | 0.03 | -0.24 | -0.27 | -0.61 | -0.35 | -1.51 | 0.07 | 0.76 | |||||||||||||
MAX | 42.74 | 50.07 | 66.72 | 71.47 | 81.03 | 89.17 | 97.13 | 94.84 | 86.83 | 75.32 | 61.33 | 43.80 | 65.38 | |||||||||||||
MIN | 15.48 | 20.79 | 30.39 | 54.47 | 65.94 | 75.43 | 77.77 | 79.06 | 65.60 | 56.45 | 23.21 | 24.48 | 58.20 | |||||||||||||
YRS | 32 | 33 | 31 | 32 | 31 | 34 | 32 | 32 | 35 | 32 | 30 | 34 | 21 |