YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1904 | ----- | z | ----- | z | 42.48 | 50.54 | b | 58.00 | 65.40 | 73.58 | 69.68 | 65.80 | 55.30 | h | 47.27 | 35.55 | 56.48 | c | ||||||||
1905 | 34.50 | a | 37.57 | 42.03 | b | 44.82 | b | 56.29 | 72.77 | 72.16 | 73.00 | 66.63 | 53.29 | 45.03 | 36.53 | a | 52.89 | |||||||||
1906 | 40.77 | 52.78 | a | 60.19 | e | 60.17 | a | 65.03 | 72.80 | 71.10 | 72.55 | 66.30 | 57.45 | 50.69 | a | 50.68 | 60.04 | |||||||||
1907 | ----- | z | 51.50 | 46.97 | 48.23 | 50.26 | 63.97 | 73.07 | a | 69.68 | 65.66 | a | 54.97 | 41.93 | a | 35.52 | b | 54.70 | a | |||||||
1908 | 37.71 | 42.21 | a | 45.97 | 51.77 | 56.87 | a | 67.79 | a | 70.94 | 69.03 | 65.93 | 50.03 | 42.73 | 37.29 | 53.19 | ||||||||||
1909 | 38.71 | 34.50 | 38.48 | 45.66 | a | 53.17 | b | 72.90 | 77.10 | 71.00 | 63.57 | 56.87 | a | 46.77 | 33.26 | 52.66 | ||||||||||
1910 | 39.77 | 39.00 | 54.87 | 54.43 | 62.16 | 74.30 | 77.90 | 74.16 | 70.70 | 58.90 | 48.27 | 41.42 | 57.99 | |||||||||||||
1911 | 45.23 | a | 37.39 | 43.55 | 48.83 | 60.45 | 69.43 | 64.65 | 68.90 | 65.37 | 52.52 | 38.69 | a | 28.77 | 51.98 | |||||||||||
1912 | 34.42 | 31.24 | 39.03 | 43.70 | 55.23 | 61.33 | 66.81 | 67.26 | 56.07 | a | 49.26 | 42.83 | 32.03 | a | 48.27 | |||||||||||
1913 | 28.68 | c | 29.57 | 35.45 | 47.87 | 58.90 | 62.43 | 68.71 | 70.32 | 58.47 | 49.39 | 46.50 | 32.29 | 49.05 | ||||||||||||
1914 | 35.74 | 34.57 | 40.97 | 45.40 | 57.70 | h | 68.37 | 71.70 | a | 71.81 | 70.72 | a | 57.42 | 54.10 | 31.94 | 52.98 | a | |||||||||
1915 | 32.58 | 37.36 | 35.55 | 48.27 | 51.06 | 61.83 | 69.23 | 65.45 | 61.17 | 57.13 | 42.37 | 39.16 | 50.10 | |||||||||||||
1916 | 31.65 | 38.72 | 45.84 | 46.30 | 54.06 | 66.50 | 71.29 | 66.39 | 63.10 | a | 51.10 | 39.40 | 27.29 | 50.14 | ||||||||||||
1917 | 29.35 | 32.86 | 33.29 | 42.50 | 45.52 | 65.00 | 70.87 | a | 66.81 | 63.60 | 53.77 | a | 46.87 | 38.42 | 49.07 | |||||||||||
1918 | 29.74 | 37.19 | a | 43.68 | 41.00 | 56.30 | a | 69.27 | 68.13 | 68.29 | 60.73 | 53.81 | 37.21 | b | 30.03 | 49.61 | ||||||||||
1919 | 34.10 | 29.75 | 35.81 | 46.28 | a | 56.84 | 64.83 | 71.03 | a | 71.07 | a | 63.80 | 49.03 | 40.50 | 39.43 | a | 50.21 | |||||||||
1920 | 39.58 | 36.62 | 35.63 | a | 38.70 | 54.52 | 64.23 | 69.67 | a | 63.71 | 61.80 | 52.32 | 40.43 | 33.90 | a | 49.26 | ||||||||||
1921 | 34.26 | 36.00 | 42.87 | 44.20 | 56.23 | 62.73 | 69.03 | 67.74 | 65.93 | 59.71 | 46.53 | 40.48 | 52.14 | |||||||||||||
1922 | 30.19 | 34.79 | 40.74 | 42.90 | 54.68 | 70.30 | 72.81 | 72.39 | 68.03 | 60.23 | 40.67 | 35.84 | 51.96 | |||||||||||||
1923 | 38.23 | 34.25 | 35.94 | 46.90 | 54.45 | 64.97 | 69.16 | 65.81 | 59.67 | 46.52 | 46.60 | 37.87 | a | 50.03 | ||||||||||||
1924 | 33.52 | 42.66 | 32.42 | 46.87 | 52.23 | 69.87 | 71.20 | a | 72.06 | 68.47 | 57.65 | 49.23 | 36.57 | a | 52.73 | |||||||||||
1925 | 34.58 | 40.68 | 44.39 | 53.03 | 58.52 | 65.80 | 70.48 | 66.26 | 63.50 | 54.45 | 42.77 | 41.58 | 53.00 | |||||||||||||
1926 | 30.35 | 38.44 | a | 39.58 | 46.07 | 54.48 | 66.30 | 67.97 | 71.19 | 65.07 | a | 58.52 | 42.00 | 39.77 | 51.65 | |||||||||||
1927 | 42.17 | a | 38.96 | 42.10 | 49.43 | 61.42 | 65.90 | 69.26 | 65.50 | a | 62.40 | 56.52 | 46.03 | 33.97 | 52.80 | |||||||||||
1928 | 40.32 | 36.79 | 41.55 | ----- | z | 54.06 | 66.00 | a | 74.32 | 70.61 | 66.47 | 54.48 | 46.40 | ----- | z | 55.10 | b | |||||||||
1929 | ----- | z | 29.96 | c | 39.45 | 48.50 | 54.90 | 69.03 | 72.77 | 69.77 | 65.27 | 59.77 | 36.70 | 38.13 | a | 53.12 | a | |||||||||
1930 | 32.10 | 43.93 | 40.16 | 56.10 | 51.52 | 72.24 | a | 73.84 | 69.94 | 65.70 | 56.68 | 46.77 | 42.46 | c | 54.29 | |||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | 30.32 | 44.06 | 48.50 | 59.65 | 66.03 | 73.90 | 68.68 | 65.30 | 54.61 | 45.23 | 36.03 | 53.85 | a | |||||||||||
1967 | 35.48 | 35.46 | 44.87 | 49.20 | 54.81 | 62.93 | 69.19 | 65.97 | 62.37 | 57.29 | 43.45 | a | 30.23 | 50.94 | ||||||||||||
1968 | 37.16 | 36.24 | 40.26 | 43.14 | a | 53.32 | 69.07 | 69.03 | 65.52 | 62.53 | 56.16 | 38.17 | a | 33.06 | 50.31 | |||||||||||
1969 | 36.45 | 35.61 | 33.45 | 50.90 | 59.03 | 61.07 | 72.71 | 73.10 | 63.80 | 45.39 | 41.67 | 35.58 | 50.73 | |||||||||||||
1970 | 30.81 | 38.64 | 34.45 | 40.53 | 59.84 | 65.67 | 71.81 | 71.74 | 63.13 | 46.74 | 41.03 | 36.52 | 50.08 | |||||||||||||
1971 | 34.37 | a | 34.89 | 37.16 | 45.20 | 54.29 | 68.93 | 70.23 | 67.77 | 57.33 | 50.26 | 37.27 | 31.28 | b | 49.08 | |||||||||||
1972 | 32.55 | 37.28 | 42.16 | 44.60 | 51.97 | 68.43 | 70.94 | 69.61 | ----- | z | ----- | z | ----- | z | ----- | z | 52.19 | d | ||||||||
1973 | ----- | z | ----- | z | 35.87 | 43.43 | 54.06 | 65.23 | 73.93 | a | 70.26 | ----- | z | 56.71 | 44.23 | ----- | z | 55.47 | d | |||||||
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | 35.45 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.17 | 37.20 | 40.89 | 47.18 | 55.71 | 66.96 | 71.16 | 69.23 | 64.07 | 54.21 | 43.72 | 36.03 | 51.64 | |||||||||||||
S.D. | 4.14 | 5.25 | 5.78 | 4.51 | 3.82 | 3.52 | 2.69 | 2.65 | 3.34 | 4.09 | 4.08 | 4.69 | 2.66 | |||||||||||||
SKEW | 0.44 | 1.18 | 1.23 | 0.72 | 0.04 | 0.29 | 0.24 | -0.16 | -0.31 | -0.53 | 0.25 | 0.69 | 1.56 | |||||||||||||
MAX | 45.23 | 52.78 | 60.19 | 60.17 | 65.03 | 74.30 | 77.90 | 74.16 | 70.72 | 60.23 | 54.10 | 50.68 | 60.04 | |||||||||||||
MIN | 28.68 | 29.57 | 32.42 | 38.70 | 45.52 | 61.07 | 64.65 | 63.71 | 56.07 | 45.39 | 36.70 | 27.29 | 48.27 | |||||||||||||
YRS | 30 | 33 | 35 | 34 | 34 | 35 | 35 | 35 | 33 | 33 | 34 | 32 | 27 |