YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1899 | ----- | z | ----- | z | ----- | z | ----- | z | 56.58 | g | 68.90 | 71.23 | 72.19 | 59.03 | 54.94 | 46.63 | 29.63 | a | 57.51 | e | ||||||
1900 | 29.77 | 17.33 | a | 25.84 | 51.47 | 61.06 | 68.87 | 71.87 | 76.61 | 65.70 | 63.74 | 37.07 | 30.71 | 50.00 | ||||||||||||
1901 | 25.97 | a | 19.89 | 29.44 | f | ----- | z | 58.06 | 68.67 | 73.19 | 73.03 | a | 65.03 | a | 55.71 | 38.13 | 27.94 | 50.56 | b | |||||||
1902 | 27.28 | b | 27.22 | s | 41.13 | a | 45.07 | 56.03 | a | 61.77 | 73.00 | 70.10 | 61.50 | 51.00 | 41.52 | a | 28.37 | d | 50.61 | a | ||||||
1903 | 25.07 | a | 24.64 | 36.29 | 44.57 | 56.94 | 61.07 | 70.29 | 65.39 | 65.70 | j | 54.26 | 51.10 | t | ----- | z | 48.72 | c | ||||||||
1904 | ----- | z | ----- | z | ----- | z | 39.22 | l | 55.44 | d | 64.14 | b | 69.06 | 68.55 | 58.93 | 49.45 | 42.10 | 27.03 | 54.34 | d | ||||||
1905 | 22.42 | 20.11 | 32.84 | 42.60 | 52.42 | 63.93 | a | 67.84 | 69.65 | 68.55 | h | 50.68 | 38.93 | 33.29 | 44.97 | a | ||||||||||
1906 | 32.00 | 25.04 | c | 27.94 | 49.13 | 52.97 | 64.47 | 71.23 | 70.97 | 69.47 | 53.16 | 40.45 | a | 28.45 | i | 50.62 | a | |||||||||
1907 | 19.86 | c | 24.00 | 34.48 | 35.83 | 45.29 | 66.57 | 71.26 | 69.48 | 59.40 | 50.32 | 40.27 | 31.20 | k | 46.98 | a | ||||||||||
1908 | 29.59 | i | 25.79 | 32.77 | 45.50 | 57.00 | 69.50 | 71.84 | 71.55 | 72.40 | 56.58 | 43.43 | 28.24 | j | 54.64 | b | ||||||||||
1909 | ----- | z | 24.46 | b | 32.55 | 40.27 | 50.87 | 68.47 | 70.87 | 72.74 | 63.03 | 50.61 | 47.10 | 28.87 | a | 49.99 | a | |||||||||
1910 | 25.77 | 23.11 | a | 46.03 | a | 49.57 | 54.52 | 69.20 | 73.84 | 70.32 | 63.73 | 58.32 | 35.41 | a | 28.93 | b | 49.90 | |||||||||
1911 | 26.52 | 30.54 | 39.00 | a | 44.79 | a | 65.83 | a | 68.53 | 73.63 | a | 69.32 | 63.47 | 50.87 | 36.63 | 34.68 | 50.32 | |||||||||
1912 | 10.10 | b | 18.25 | a | 28.42 | 45.03 | 56.97 | 65.90 | 71.13 | a | 62.84 | 63.90 | 57.42 | 42.13 | 31.46 | e | 46.13 | |||||||||
1913 | ----- | z | ----- | z | ----- | z | 49.50 | 53.74 | 69.57 | 69.37 | a | 69.43 | a | 63.40 | 53.03 | 46.72 | a | 37.52 | 56.92 | c | ||||||
1914 | 29.58 | 19.68 | 30.66 | b | 42.53 | 63.47 | a | 67.43 | 73.73 | a | 68.77 | 68.03 | 60.55 | 43.90 | 28.68 | 49.75 | ||||||||||
1915 | 25.19 | 29.36 | 32.62 | b | 52.00 | a | 51.00 | 61.90 | 67.06 | 62.94 | 64.50 | 56.77 | 42.75 | b | 28.63 | a | 47.89 | |||||||||
1916 | 23.50 | c | 19.59 | b | 27.31 | b | 43.27 | 56.71 | 60.77 | 78.34 | b | 78.35 | 59.87 | 52.00 | 40.53 | 27.07 | b | 47.28 | ||||||||
1917 | 22.07 | b | 13.26 | a | 30.00 | 37.63 | 44.06 | 57.20 | 68.19 | 69.45 | 64.73 | 43.61 | 39.90 | 20.60 | a | 42.56 | ||||||||||
1918 | 16.14 | b | 17.19 | a | 38.61 | 42.43 | 59.31 | b | 63.93 | 71.42 | 73.62 | b | 57.73 | 56.35 | 43.33 | 33.61 | 47.81 | |||||||||
1919 | 31.10 | 28.50 | 35.03 | a | 45.23 | d | 56.77 | 67.90 | 78.58 | 71.00 | 63.62 | a | 52.39 | 34.25 | b | 23.64 | c | 49.00 | ||||||||
1920 | 15.72 | b | 21.81 | b | 34.64 | c | 39.67 | c | 56.90 | 62.38 | a | 68.92 | g | 71.87 | 67.41 | a | 61.10 | 37.13 | 33.13 | a | 45.62 | a | ||||
1921 | 29.88 | e | ----- | z | 35.37 | d | 50.14 | a | 60.00 | a | 73.86 | a | 80.43 | c | 72.32 | 67.41 | a | 56.61 | 34.60 | 28.50 | c | 53.56 | a | |||
1922 | 22.71 | 21.82 | 32.64 | f | 43.96 | c | 67.79 | b | 69.70 | 71.28 | b | 75.67 | a | 68.07 | 51.90 | 42.28 | a | 25.55 | 50.97 | a | ||||||
1923 | 23.10 | 16.79 | 22.69 | b | 39.43 | 52.03 | a | 65.75 | b | 71.81 | 72.00 | 64.83 | 53.35 | 43.40 | 34.13 | a | 46.61 | |||||||||
1924 | 17.23 | 25.00 | 30.03 | 38.03 | 43.13 | 61.53 | 66.84 | 65.43 | a | 59.21 | f | 54.81 | 37.39 | b | 17.77 | 41.56 | a | |||||||||
1925 | 21.32 | 22.71 | 31.80 | a | 41.34 | a | 49.58 | 62.18 | b | 67.13 | 70.45 | 61.97 | 40.81 | 35.37 | 25.45 | 44.18 | ||||||||||
1926 | ----- | z | ----- | z | 24.32 | 36.07 | 49.74 | 54.62 | a | 59.97 | 65.55 | 53.77 | 44.40 | a | 31.10 | 24.20 | a | 44.37 | b | |||||||
1927 | 18.97 | 22.89 | 32.55 | 39.67 | 44.23 | 61.07 | ----- | z | 62.45 | 62.38 | a | ----- | z | ----- | z | ----- | z | 43.02 | d | |||||||
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 | 28.21 | i | 37.29 | g | ----- | z | 56.18 | i | 71.42 | f | ----- | z | ----- | z | 61.41 | a | ----- | z | 38.76 | a | 30.72 | b | 43.63 | i |
1950 | 24.65 | 28.36 | f | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.74 | 61.03 | 55.77 | 36.97 | 26.52 | 45.11 | f | ||||||
1951 | 24.45 | 26.71 | 30.74 | 42.10 | 64.19 | 62.45 | a | 72.00 | 67.61 | 60.45 | a | 51.71 | 34.97 | 27.52 | 47.08 | |||||||||||
1952 | 27.29 | 31.07 | 32.48 | 51.00 | a | 54.58 | 68.30 | 74.42 | 73.06 | 68.37 | 50.19 | 42.17 | 33.74 | 50.56 | ||||||||||||
1953 | 28.61 | 26.36 | 35.65 | 40.97 | 55.83 | a | 66.37 | 73.13 | 74.68 | 64.83 | 61.71 | 46.40 | 32.71 | 50.60 | ||||||||||||
1954 | 23.39 | 35.82 | 32.58 | 46.03 | 49.61 | 68.31 | a | 71.03 | a | 70.61 | 60.10 | 51.45 | 43.63 | 32.77 | 48.78 | |||||||||||
1955 | 25.93 | a | 26.89 | 30.19 | 52.73 | 63.94 | 70.07 | 77.84 | 76.35 | 65.67 | 56.23 | 37.67 | 28.19 | 50.98 | ||||||||||||
1956 | 29.23 | 28.14 | 32.45 | 41.63 | 54.77 | a | 68.33 | 67.29 | c | 69.29 | 60.63 | 63.37 | a | 41.37 | 30.68 | 48.93 | ||||||||||
1957 | 20.13 | 27.43 | 32.81 | 47.07 | 56.23 | 65.80 | 72.61 | 71.90 | 63.27 | 54.90 | 40.13 | 31.74 | 48.67 | |||||||||||||
1958 | 29.03 | 21.48 | a | 34.06 | 49.17 | 56.28 | b | 64.90 | 69.61 | 72.29 | 65.80 | 54.32 | 42.30 | 23.70 | a | 48.58 | ||||||||||
1959 | 18.84 | 22.54 | 34.68 | 44.73 | 61.61 | 71.37 | c | 76.19 | 74.10 | 66.67 | 48.97 | 32.93 | ----- | z | 50.24 | a | ||||||||||
1960 | 26.65 | 27.72 | 29.87 | 44.80 | 55.90 | 65.07 | a | 72.48 | 72.90 | 66.20 | 54.52 | 42.20 | 27.13 | 48.79 | ||||||||||||
1961 | 23.65 | 30.79 | 36.71 | 44.20 | 57.06 | 65.90 | 70.65 | 75.58 | 66.93 | 56.10 | 42.83 | 29.52 | 49.99 | |||||||||||||
1962 | 22.32 | 21.43 | 33.94 | 42.53 | 62.19 | 65.31 | d | 69.48 | 70.10 | 62.30 | 55.67 | a | 43.00 | 28.93 | b | 48.10 | ||||||||||
1963 | 18.03 | 20.22 | a | 37.47 | a | 47.00 | 57.84 | 65.97 | 74.19 | 69.26 | 64.10 | 65.74 | 45.60 | 26.23 | 49.30 | |||||||||||
1964 | 31.52 | 30.97 | 31.68 | 48.27 | 62.71 | 68.53 | 74.19 | 67.29 | 62.73 | 54.13 | 43.33 | 28.19 | 50.30 | |||||||||||||
1965 | 27.35 | 22.96 | 29.06 | 44.40 | 61.87 | 67.19 | c | 68.90 | 67.65 | 58.48 | a | 53.68 | 40.37 | 34.55 | 48.04 | |||||||||||
1966 | 22.87 | 27.36 | 38.39 | 42.10 | 55.03 | 71.53 | 75.74 | 68.90 | a | 66.63 | 54.21 | b | 39.93 | 29.94 | 49.39 | |||||||||||
1967 | 28.10 | 25.81 | a | 37.71 | 50.67 | 57.61 | 67.57 | 72.48 | 72.00 | 67.30 | 52.42 | 37.97 | 32.52 | 50.18 | ||||||||||||
1968 | 27.00 | a | 24.38 | 41.39 | 49.40 | 57.74 | 64.33 | 76.10 | 72.77 | a | 65.90 | 58.68 | 39.50 | 30.61 | 50.65 | |||||||||||
1969 | 26.33 | a | 29.11 | 33.35 | 49.87 | 60.16 | 62.90 | 72.73 | a | 78.87 | 68.30 | 49.93 | a | 40.20 | 29.87 | a | 50.14 | |||||||||
1970 | 22.29 | q | 28.90 | r | 31.13 | 46.77 | 55.65 | 71.27 | 77.61 | 76.97 | 64.67 | 53.42 | 36.60 | 24.97 | 53.90 | b | ||||||||||
1971 | ----- | z | 15.96 | ----- | z | ----- | z | ----- | z | ----- | z | 67.36 | c | 69.32 | c | 66.73 | 59.61 | 35.65 | g | 24.52 | 50.58 | f | ||||
1972 | 16.41 | b | 13.79 | 21.03 | ----- | z | ----- | z | 57.63 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.22 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 24.16 | 23.83 | 32.90 | 44.79 | 56.10 | 65.78 | 71.89 | 70.77 | 63.92 | 54.23 | 40.23 | 29.01 | 48.68 | |||||||||||||
S.D. | 4.83 | 4.96 | 4.82 | 4.35 | 5.54 | 3.93 | 3.69 | 3.76 | 3.52 | 4.81 | 3.74 | 3.88 | 1.93 | |||||||||||||
SKEW | -0.65 | -0.06 | 0.02 | -0.09 | -0.38 | -0.58 | -0.25 | -0.11 | -0.34 | -0.13 | -0.24 | -0.42 | -1.45 | |||||||||||||
MAX | 32.00 | 35.82 | 46.03 | 52.73 | 67.79 | 73.86 | 80.43 | 78.87 | 72.40 | 65.74 | 47.10 | 37.52 | 50.98 | |||||||||||||
MIN | 10.10 | 13.26 | 21.03 | 35.83 | 43.13 | 54.62 | 59.97 | 62.45 | 53.77 | 40.81 | 31.10 | 17.77 | 42.56 | |||||||||||||
YRS | 44 | 44 | 45 | 46 | 48 | 50 | 48 | 51 | 49 | 50 | 49 | 46 | 30 |