YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1906 | ----- | z | 49.78 | j | 52.39 | 55.47 | 62.58 | 74.73 | 72.48 | 70.81 | 72.57 | 62.87 | 51.67 | 49.00 | 62.46 | b | ||||||||||
1907 | 39.10 | 50.14 | 51.26 | 58.20 | 61.39 | 68.63 | 74.19 | 70.32 | 72.80 | 59.10 | 49.33 | 46.84 | 58.44 | |||||||||||||
1908 | 43.74 | 43.66 | 50.87 | a | 54.67 | 57.42 | 71.10 | 72.81 | 71.68 | 69.30 | 58.16 | 58.03 | a | 47.19 | 58.22 | |||||||||||
1909 | 48.06 | 44.43 | 44.58 | 56.07 | 61.00 | 76.57 | ----- | z | 72.00 | 68.70 | 61.61 | 52.50 | 41.00 | 56.96 | a | |||||||||||
1910 | 44.35 | 44.61 | 57.06 | ----- | z | ----- | z | 74.79 | a | 75.79 | b | 75.29 | 74.63 | 64.77 | 50.17 | 48.77 | 61.03 | b | ||||||||
1911 | 48.65 | ----- | z | 55.87 | 55.87 | 62.06 | 72.23 | 71.71 | 73.39 | 71.00 | 59.32 | 46.67 | 37.61 | 59.49 | a | |||||||||||
1912 | 45.42 | 45.97 | 44.29 | 49.57 | 66.40 | a | 72.97 | 70.93 | d | 72.77 | 67.73 | ----- | z | ----- | z | 40.27 | a | 57.63 | b | |||||||
1913 | 38.79 | c | 46.74 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.03 | 43.19 | i | |
1914 | 48.65 | 48.68 | 53.94 | 59.03 | 65.52 | 73.20 | 75.48 | 75.06 | 72.37 | 61.06 | 55.97 | a | 41.48 | 60.87 | ||||||||||||
1915 | 43.17 | b | 45.71 | 49.52 | 55.38 | i | 58.74 | 74.10 | 75.19 | 76.38 | b | ----- | z | ----- | z | ----- | z | ----- | z | 60.40 | e | |||||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.60 | a | 51.13 | 40.13 | 49.95 | i | ||
1917 | 42.32 | ----- | z | 47.42 | 54.31 | d | 53.62 | j | 71.40 | j | 75.29 | 74.65 | e | 67.87 | g | 56.87 | 47.23 | d | 42.46 | e | 55.07 | d | ||||
1918 | 36.58 | s | 46.68 | 52.58 | 56.00 | 59.58 | 74.80 | 73.68 | 71.29 | 71.20 | 63.06 | 47.50 | 38.90 | 59.57 | a | |||||||||||
1919 | ----- | z | ----- | z | 37.27 | a | ----- | z | ----- | z | 74.96 | e | 68.68 | 71.52 | 64.05 | j | ----- | z | ----- | z | ----- | z | 63.11 | h | ||
1920 | ----- | z | 49.68 | a | 45.97 | 54.80 | 65.13 | 73.97 | 78.71 | 72.81 | 67.73 | 58.93 | a | 51.10 | 41.26 | 60.01 | a | |||||||||
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 | 51.46 | e | 54.50 | d | 58.96 | f | 72.32 | e | 74.73 | e | 76.50 | e | 75.33 | f | 62.96 | d | 53.29 | f | 41.96 | g | 65.41 | f |
1954 | 45.79 | g | 52.25 | d | 49.59 | i | 61.77 | d | 64.27 | e | 70.15 | d | 73.96 | e | 69.54 | e | 70.12 | e | 62.00 | e | 51.81 | d | 43.56 | f | 63.99 | c |
1955 | 38.24 | f | 41.67 | d | 50.54 | e | 54.50 | d | 59.68 | f | 69.96 | d | 70.58 | e | 69.26 | d | 71.42 | d | 64.70 | d | 49.48 | e | 48.43 | h | 60.23 | c |
1956 | 51.33 | m | 42.63 | j | 51.42 | l | 53.52 | g | 65.12 | e | 74.92 | d | 73.64 | f | 73.04 | d | 73.38 | f | 59.70 | d | 47.84 | e | 43.52 | f | 64.12 | g |
1957 | 43.04 | e | 50.62 | d | 50.00 | h | 53.16 | e | 57.20 | f | 71.48 | e | 73.08 | f | 71.00 | e | 71.48 | e | 58.07 | d | 42.88 | f | 44.08 | g | 59.84 | e |
1958 | 42.62 | e | 45.65 | e | 43.38 | e | 51.58 | f | 65.64 | f | 71.33 | f | 71.68 | f | 67.81 | e | 64.43 | g | 57.27 | e | ----- | z | 46.22 | h | 51.35 | g |
1959 | 46.08 | f | 44.95 | f | 51.44 | f | 60.24 | e | 60.95 | i | 73.04 | d | 72.16 | f | 67.62 | g | 65.46 | d | 57.63 | d | 47.91 | g | 41.45 | i | 64.09 | h |
1960 | 35.88 | e | 40.90 | h | 52.54 | e | 57.08 | e | 62.00 | f | 74.28 | e | 74.28 | f | 74.41 | d | 72.00 | g | 58.85 | e | 51.46 | f | 40.55 | i | 58.84 | f |
1961 | 45.50 | e | 45.35 | e | 48.04 | g | 56.26 | g | 62.19 | e | 73.20 | e | 74.27 | i | 70.00 | e | 67.13 | g | 60.09 | i | 45.74 | g | 42.39 | h | 59.25 | g |
1962 | 38.65 | e | 45.29 | d | 41.38 | g | 59.96 | g | 61.21 | g | 68.65 | g | 74.88 | g | 76.33 | d | 71.33 | i | 62.19 | e | 55.45 | h | 45.16 | l | 55.62 | h |
1963 | 39.79 | g | 50.39 | e | 48.76 | f | 53.12 | d | 67.12 | g | 67.62 | f | 75.31 | e | 69.44 | d | 69.83 | f | 63.11 | d | 47.56 | e | 41.32 | f | 59.82 | f |
1964 | 35.65 | e | 35.83 | e | 41.54 | e | 49.81 | d | 59.20 | f | 67.50 | d | 75.50 | e | 70.77 | e | 66.00 | e | 63.07 | d | 43.74 | g | 43.17 | g | 56.19 | c |
1965 | 43.80 | f | 43.13 | e | 46.00 | f | 55.19 | d | 60.40 | f | 65.27 | d | 73.35 | e | 72.15 | e | 66.36 | e | 62.42 | e | 52.83 | f | 42.27 | e | 60.02 | d |
1966 | 38.48 | f | 38.17 | e | 48.78 | d | 55.58 | d | 63.52 | f | 69.12 | d | 71.62 | g | 72.57 | h | 70.70 | g | 60.85 | e | 53.00 | e | 44.08 | e | 52.80 | e |
1967 | 41.00 | f | 46.43 | e | 52.96 | d | 50.91 | h | 63.75 | g | 69.85 | d | 73.40 | f | 73.62 | e | 71.24 | i | 63.76 | f | 56.20 | e | 39.35 | h | 59.81 | g |
1968 | 43.78 | h | 48.36 | d | 47.65 | e | 50.64 | e | 64.08 | f | 74.29 | f | 74.92 | g | 71.41 | i | 72.22 | l | 62.00 | i | 52.10 | j | 38.29 | j | 48.88 | i |
1969 | 47.70 | h | 41.15 | h | 43.79 | l | 56.50 | h | 58.90 | j | 58.55 | j | 76.00 | i | 74.90 | k | 67.71 | i | 58.43 | h | 48.15 | j | 44.20 | k | ----- | z |
1970 | 40.89 | l | 47.42 | p | 47.38 | j | 51.00 | h | 66.05 | j | 73.57 | i | 76.91 | i | 74.76 | j | 70.05 | i | 58.32 | i | 53.45 | j | 44.29 | j | ----- | z |
1971 | 41.00 | k | 46.25 | h | 51.17 | h | 52.14 | h | 60.75 | k | 71.73 | h | 75.86 | j | 70.68 | i | 70.81 | i | 55.86 | j | 49.70 | j | 39.45 | i | ----- | z |
1972 | 42.86 | j | 47.62 | h | 56.39 | h | 58.80 | j | 64.77 | i | 71.41 | h | 76.00 | k | 72.04 | h | 69.95 | j | 59.73 | i | 45.96 | e | 40.77 | 43.37 | j | |
1973 | 41.42 | g | 45.31 | b | 43.83 | a | 51.73 | 65.15 | e | 74.50 | b | 76.12 | e | 75.81 | j | 72.55 | j | 62.86 | i | 53.57 | i | ----- | z | 59.44 | f | |
1974 | 41.90 | j | 43.35 | h | 51.84 | f | 56.83 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 42.72 | 45.86 | 48.90 | 55.06 | 62.61 | 72.31 | 73.92 | 72.38 | 69.93 | 60.72 | 50.73 | 42.88 | 59.18 | |||||||||||||
S.D. | 4.16 | 3.86 | 4.94 | 3.10 | 2.78 | 2.76 | 2.34 | 2.40 | 2.71 | 2.40 | 3.48 | 3.47 | 1.47 | |||||||||||||
SKEW | -0.23 | -0.76 | -0.49 | 0.16 | -0.37 | -0.80 | -0.36 | 0.16 | -0.17 | 0.03 | 0.58 | 0.51 | 0.69 | |||||||||||||
MAX | 48.65 | 52.25 | 57.06 | 61.77 | 66.40 | 76.57 | 78.71 | 76.50 | 74.63 | 64.77 | 58.03 | 49.00 | 60.87 | |||||||||||||
MIN | 35.65 | 35.83 | 37.27 | 49.57 | 57.42 | 65.27 | 68.68 | 67.81 | 65.46 | 56.87 | 45.96 | 37.61 | 58.22 | |||||||||||||
YRS | 16 | 23 | 22 | 22 | 14 | 25 | 19 | 26 | 16 | 24 | 18 | 16 | 3 |