YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1894 | ----- | z | ----- | z | ----- | z | ----- | z | 54.16 | 57.67 | a | 68.55 | 70.11 | 55.65 | d | 48.12 | g | 42.57 | 34.13 | 54.69 | e | |||||
1895 | 31.56 | 36.23 | 39.97 | 49.50 | 53.65 | 61.81 | a | 64.64 | b | 65.95 | 54.57 | 51.82 | 38.08 | 33.56 | 48.45 | |||||||||||
1896 | 32.47 | 37.12 | 37.18 | 39.83 | 51.39 | m | 59.43 | 69.42 | 64.84 | 57.75 | 49.98 | c | ----- | z | ----- | z | 49.78 | c | ||||||||
1897 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1900 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1902 | 35.15 | 40.00 | a | 40.60 | 46.83 | a | 53.60 | 59.02 | 62.58 | 65.66 | c | 59.12 | 52.45 | a | ----- | z | ----- | z | 51.50 | b | ||||||
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.00 | p | 65.75 | a | 68.25 | c | 65.03 | a | 59.89 | l | 50.36 | s | 32.39 | 57.86 | h | |
1904 | ----- | z | 33.63 | b | ----- | z | ----- | z | 56.34 | b | 61.34 | a | 66.58 | 68.40 | ----- | z | ----- | z | ----- | z | ----- | z | 57.26 | g | ||
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 57.55 | 60.23 | 63.10 | b | 54.82 | 50.79 | 41.45 | a | 36.10 | b | 52.01 | e | ||||
1937 | 24.43 | d | 34.79 | 40.13 | 43.97 | 53.16 | 60.43 | 64.15 | ----- | z | 58.48 | 53.67 | b | 45.27 | 40.08 | a | 47.14 | a | ||||||||
1938 | 37.00 | a | 38.30 | a | 39.88 | a | 48.88 | 54.16 | 60.92 | 65.79 | 59.95 | 62.43 | i | 50.90 | 38.68 | b | ----- | z | 49.45 | b | ||||||
1939 | ----- | z | 35.74 | c | 43.18 | c | 51.48 | 55.29 | 55.85 | 63.58 | 63.24 | 59.23 | 51.03 | 43.10 | 40.22 | a | 51.09 | a | ||||||||
1940 | 37.02 | 40.32 | a | 46.08 | 50.12 | 56.98 | 60.93 | 63.18 | 63.27 | 59.95 | 53.82 | a | 39.92 | 38.24 | 50.82 | |||||||||||
1941 | 37.73 | 42.45 | 47.95 | 49.70 | 54.28 | a | 56.80 | 64.34 | 62.95 | 55.60 | 50.40 | 43.62 | b | 37.78 | d | 50.30 | ||||||||||
1942 | 34.48 | a | 38.64 | 42.55 | 49.48 | 52.68 | 56.30 | 65.21 | 64.73 | 58.82 | 50.61 | 41.17 | 36.74 | 49.28 | ||||||||||||
1943 | 36.17 | s | 40.81 | o | 40.61 | 49.86 | b | 51.11 | 56.30 | 65.35 | 62.34 | 63.43 | 51.15 | a | 42.73 | 35.68 | 51.86 | b | ||||||||
1944 | 34.44 | 38.30 | b | 39.55 | a | 45.78 | 51.97 | 56.53 | 62.26 | 60.34 | 57.98 | 50.68 | a | 38.83 | a | 34.32 | 47.58 | |||||||||
1945 | 36.19 | 38.07 | a | 38.82 | 44.55 | 54.03 | 57.22 | 64.26 | 63.05 | 55.15 | 48.32 | 37.83 | a | 35.27 | a | 47.73 | ||||||||||
1946 | 35.15 | a | 36.75 | 40.57 | a | 46.27 | 54.32 | 56.90 | 63.40 | 63.05 | 55.35 | 43.85 | a | 37.84 | b | 36.79 | 47.52 | |||||||||
1947 | 30.98 | b | 39.48 | 44.37 | a | 49.37 | 57.47 | 57.02 | 62.26 | 61.15 | 57.55 | 49.69 | 40.67 | 36.15 | 48.85 | |||||||||||
1948 | 35.42 | 34.26 | 39.44 | 43.38 | 51.37 | 62.10 | 61.17 | a | 61.21 | b | 55.03 | a | 48.13 | 37.63 | 30.31 | 46.62 | ||||||||||
1949 | 23.61 | 33.96 | a | 40.39 | 49.00 | a | 55.40 | 56.93 | 61.05 | 62.05 | 59.17 | 45.16 | 44.70 | 34.45 | 47.16 | |||||||||||
1950 | 27.75 | a | 36.22 | c | 37.81 | 44.73 | 50.15 | 57.98 | 63.40 | 64.02 | 58.45 | 48.11 | 40.80 | 41.02 | 47.54 | |||||||||||
1951 | 32.92 | a | 37.29 | 37.17 | a | 49.10 | a | 52.52 | a | 59.05 | 64.35 | a | 62.52 | e | 59.72 | 48.81 | 40.48 | 33.24 | 48.10 | |||||||
1952 | 31.35 | 35.02 | 38.43 | a | 48.82 | e | 58.38 | w | 56.17 | 65.03 | 63.85 | 61.65 | 57.15 | 39.48 | 34.68 | 48.33 | a | |||||||||
1953 | 40.33 | e | 39.86 | 40.97 | 46.07 | 50.76 | 55.77 | 66.63 | 64.87 | 62.93 | 52.35 | 44.53 | a | 38.08 | 50.26 | |||||||||||
1954 | 34.55 | 39.04 | 39.65 | 46.67 | 53.39 | 54.57 | 62.18 | 59.55 | 58.07 | 49.63 | a | 46.69 | a | 36.05 | 48.33 | |||||||||||
1955 | 34.92 | 36.73 | 36.58 | 41.20 | 49.63 | 58.90 | 60.76 | 63.71 | 58.25 | 50.58 | 36.68 | 34.88 | b | 46.90 | ||||||||||||
1956 | 34.90 | 33.07 | b | 37.26 | 47.48 | 55.33 | a | 56.58 | 67.15 | 63.87 | 59.72 | 47.73 | 41.38 | 37.66 | 48.51 | |||||||||||
1957 | 28.37 | 37.52 | 41.61 | 48.14 | a | 56.34 | 61.08 | 62.97 | 61.71 | 62.33 | 49.16 | 40.15 | 37.42 | 48.90 | ||||||||||||
1958 | 37.79 | 43.21 | 40.40 | 45.52 | 59.82 | 62.08 | 68.84 | 68.74 | 59.08 | 53.16 | 41.03 | 42.08 | 51.81 | |||||||||||||
1959 | 37.10 | 37.14 | 42.11 | 48.10 | 49.76 | 58.87 | 65.81 | 63.03 | 56.55 | 52.66 | 43.83 | 37.84 | 49.40 | |||||||||||||
1960 | 32.60 | 38.12 | 42.18 | 46.63 | 50.52 | 61.92 | 68.65 | 63.18 | 60.38 | 52.18 | 41.08 | 37.16 | 49.55 | |||||||||||||
1961 | 39.98 | 40.55 | 41.69 | 46.43 | 52.92 | 65.34 | a | 66.95 | 70.15 | 56.47 | 49.85 | 39.68 | 36.03 | 50.51 | ||||||||||||
1962 | 34.98 | 39.68 | 38.74 | 49.95 | 49.37 | 59.22 | 64.71 | 63.89 | 61.48 | 50.87 | 43.22 | 39.23 | 49.61 | |||||||||||||
1963 | 32.84 | 44.86 | 42.48 | 43.67 | 54.24 | 57.70 | 61.10 | 64.55 | 63.40 | 51.53 | 42.18 | 37.89 | 49.70 | |||||||||||||
1964 | 36.73 | 39.21 | 39.63 | 44.42 | 50.40 | 57.62 | 64.53 | 62.42 | ----- | z | 51.71 | 38.33 | 35.06 | 47.28 | a | |||||||||||
1965 | 35.08 | 38.86 | c | 43.97 | 49.57 | a | 50.56 | 58.22 | 67.37 | a | 65.11 | 57.12 | 53.55 | 43.63 | 34.65 | 49.81 | ||||||||||
1966 | 34.47 | a | 37.62 | 41.16 | 48.27 | 54.55 | a | 58.25 | b | 63.47 | 64.60 | b | 61.15 | 50.82 | 43.83 | a | 37.81 | 49.67 | ||||||||
1967 | 37.65 | 39.52 | 40.63 | 42.68 | 53.44 | 62.58 | 67.17 | a | 70.77 | 64.15 | 49.18 | 46.20 | 34.76 | 50.73 | ||||||||||||
1968 | 34.40 | a | 43.76 | 44.78 | a | 44.82 | 52.55 | a | 59.37 | 65.21 | 62.58 | 59.47 | a | ----- | z | 42.10 | 33.32 | 49.30 | a | |||||||
1969 | 30.38 | a | 35.79 | 41.35 | 45.83 | 56.39 | 62.17 | ----- | z | 63.44 | 58.58 | 47.57 | b | 41.18 | 38.57 | a | 47.39 | a | ||||||||
1970 | 36.15 | 41.38 | 41.77 | c | 41.47 | 52.02 | 62.63 | 65.48 | 65.90 | 53.92 | 47.60 | 41.72 | 31.52 | 48.46 | ||||||||||||
1971 | 32.18 | 37.16 | 35.94 | 43.50 | a | 52.34 | 55.28 | a | 65.40 | 67.48 | 54.98 | 46.61 | 39.33 | 33.63 | 46.99 | |||||||||||
1972 | 31.61 | 37.47 | 42.71 | 42.50 | a | 54.27 | 58.93 | a | 66.58 | 67.05 | 55.17 | ----- | z | ----- | z | ----- | z | 50.70 | c | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.91 | 38.13 | 40.78 | 46.50 | 53.37 | 58.84 | 64.70 | 64.30 | 58.64 | 50.35 | 41.36 | 36.18 | 48.90 | |||||||||||||
S.D. | 3.70 | 2.73 | 2.57 | 2.89 | 2.39 | 2.47 | 2.32 | 2.72 | 2.90 | 2.54 | 2.50 | 2.60 | 1.35 | |||||||||||||
SKEW | -0.93 | 0.40 | 0.49 | -0.39 | 0.36 | 0.49 | 0.03 | 0.70 | 0.35 | -0.12 | 0.17 | 0.08 | 0.13 | |||||||||||||
MAX | 40.33 | 44.86 | 47.95 | 51.48 | 59.82 | 65.34 | 69.42 | 70.77 | 65.03 | 57.15 | 46.69 | 42.08 | 51.81 | |||||||||||||
MIN | 23.61 | 33.07 | 35.94 | 39.83 | 49.37 | 54.57 | 60.23 | 59.55 | 53.92 | 43.85 | 36.68 | 30.31 | 46.62 | |||||||||||||
YRS | 37 | 39 | 39 | 39 | 39 | 42 | 42 | 42 | 40 | 38 | 38 | 38 | 28 |