YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.58 | j | 54.65 | a | 41.23 | 43.06 | 46.32 | i | ||
1907 | 40.76 | 41.50 | 55.23 | 51.73 | 58.32 | 71.10 | 76.65 | 76.58 | 69.70 | 57.00 | 42.37 | 36.11 | 56.42 | |||||||||||||
1908 | 37.47 | 39.34 | 51.05 | 55.55 | 63.03 | b | 73.88 | 75.44 | 76.18 | 68.50 | 56.13 | 42.85 | 38.02 | 56.45 | ||||||||||||
1909 | 39.00 | 41.04 | 44.27 | 55.57 | 60.69 | 72.57 | 78.23 | 78.27 | 68.65 | 57.44 | 48.43 | 30.63 | 56.23 | |||||||||||||
1910 | 38.10 | 33.05 | 54.21 | ----- | z | 60.24 | 74.48 | 78.85 | 75.48 | 73.00 | 59.94 | 46.84 | a | 36.76 | 57.36 | a | ||||||||||
1911 | 43.23 | 37.79 | 49.98 | b | 57.55 | 65.84 | 75.85 | 78.13 | 76.85 | 76.53 | 57.00 | 40.58 | 26.52 | 57.15 | ||||||||||||
1912 | 22.87 | 34.14 | 37.35 | 53.70 | 65.08 | 68.63 | 77.76 | n | 76.77 | 65.55 | 57.40 | 44.05 | 32.58 | 50.74 | a | |||||||||||
1913 | 33.37 | 30.11 | 42.90 | 55.62 | 68.71 | 72.93 | 80.79 | 81.79 | 64.93 | 56.08 | 50.05 | 32.98 | 55.86 | |||||||||||||
1914 | 43.25 | a | 36.07 | 46.03 | 56.22 | 64.13 | 76.10 | 77.37 | 76.15 | 73.62 | 58.84 | 48.32 | 29.97 | 57.17 | ||||||||||||
1915 | 33.15 | 40.11 | 37.13 | 57.13 | 60.35 | 70.88 | 75.35 | 71.60 | 69.82 | 59.50 | 49.20 | 38.44 | 55.22 | |||||||||||||
1916 | 34.73 | 39.71 | 53.95 | 54.15 | 66.90 | 72.73 | 79.29 | 77.48 | 69.07 | a | 57.58 | 44.38 | 33.52 | 56.96 | ||||||||||||
1917 | 32.40 | e | 41.73 | f | 47.05 | 53.81 | a | 57.94 | 73.48 | 80.00 | 73.55 | 69.27 | 55.11 | ----- | z | ----- | z | 60.29 | c | |||||||
1918 | 27.58 | 42.43 | 51.44 | 52.07 | 68.18 | ----- | z | ----- | z | 80.76 | 66.38 | 61.26 | 41.70 | 32.64 | c | 52.44 | b | |||||||||
1919 | 24.84 | 34.68 | 47.83 | a | 55.07 | a | 63.26 | 70.45 | a | 78.24 | b | 79.50 | b | 71.48 | 58.50 | a | 42.38 | a | 29.34 | o | 56.93 | a | ||||
1920 | 35.47 | a | 41.81 | 46.55 | 51.75 | 64.41 | b | 74.32 | 80.31 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.37 | e | |||||
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | 36.34 | 40.93 | 44.76 | 54.65 | 64.87 | 72.38 | d | 79.08 | a | 81.41 | c | 74.85 | d | ----- | z | 49.78 | c | 41.13 | a | 58.20 | a | |||||
1923 | 43.82 | a | 35.72 | c | 44.74 | d | 56.45 | b | 63.40 | ----- | z | 80.38 | e | 78.31 | m | 70.74 | g | ----- | z | ----- | z | 32.63 | d | 51.02 | e | |
1924 | 33.79 | b | 40.06 | d | ----- | z | 55.46 | d | 60.09 | c | 76.50 | e | 75.52 | c | 79.57 | d | 68.74 | c | 58.76 | h | ----- | z | 29.98 | d | 57.75 | c |
1925 | 32.43 | b | 45.06 | b | 52.29 | b | 59.89 | g | 67.41 | d | 78.86 | e | ----- | z | 75.24 | j | 67.72 | n | 50.41 | b | 44.25 | b | 35.22 | d | 50.74 | d |
1926 | 34.52 | c | 44.24 | a | 42.42 | e | 49.57 | a | 63.76 | f | 72.30 | b | 75.61 | c | 76.93 | h | ----- | z | ----- | z | ----- | z | ----- | z | 53.11 | f |
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 |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.11 | 38.77 | 47.18 | 54.47 | 63.49 | 73.38 | 78.08 | 77.46 | 70.01 | 57.12 | 45.09 | 34.39 | 56.43 | |||||||||||||
S.D. | 5.81 | 4.04 | 5.36 | 2.16 | 3.30 | 2.52 | 1.90 | 2.84 | 3.34 | 2.58 | 3.35 | 4.37 | 0.67 | |||||||||||||
SKEW | -0.40 | -0.47 | -0.29 | -0.69 | -0.12 | 0.28 | -0.20 | -0.25 | 0.38 | -0.92 | 0.25 | 0.30 | -0.53 | |||||||||||||
MAX | 43.82 | 45.06 | 55.23 | 57.55 | 68.71 | 78.86 | 80.79 | 81.79 | 76.53 | 61.26 | 50.05 | 43.06 | 57.17 | |||||||||||||
MIN | 22.87 | 30.11 | 37.13 | 49.57 | 57.94 | 68.63 | 75.35 | 71.60 | 64.93 | 50.41 | 40.58 | 26.52 | 55.22 | |||||||||||||
YRS | 19 | 18 | 18 | 17 | 18 | 17 | 16 | 15 | 15 | 15 | 15 | 16 | 8 |