YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.71 | f | 39.13 | 27.67 | 27.48 | 31.43 | i | |||
1907 | 24.77 | 21.96 | 35.90 | 34.77 | 43.48 | 55.47 | 62.77 | 63.03 | 54.00 | 41.65 | 26.17 | 21.45 | 40.45 | |||||||||||||
1908 | 18.84 | 22.55 | 31.32 | 39.93 | 45.90 | b | 59.03 | 61.97 | 62.23 | 52.13 | 39.52 | 24.90 | 20.52 | 39.90 | ||||||||||||
1909 | 20.32 | 22.29 | 27.23 | 37.37 | 43.68 | 57.97 | 64.26 | 63.71 | 51.40 | 41.48 | 32.63 | 17.00 | 39.94 | |||||||||||||
1910 | 22.35 | 14.21 | 34.29 | ----- | z | 45.13 | 57.90 | 63.00 | 61.23 | 55.37 | 39.55 | 27.77 | 20.94 | 40.16 | a | |||||||||||
1911 | 25.81 | 24.64 | 34.41 | b | 41.27 | 51.52 | 59.27 | 65.87 | 63.03 | 61.30 | 42.58 | 23.27 | 13.10 | 42.17 | ||||||||||||
1912 | 9.32 | 21.31 | 25.06 | 38.37 | 49.35 | 54.10 | 62.82 | n | 61.84 | 52.93 | 40.52 | 25.10 | 14.77 | 35.70 | a | |||||||||||
1913 | 17.19 | 16.75 | 25.52 | 36.73 | 54.00 | 60.40 | 66.32 | 65.94 | 50.10 | 40.32 | 36.33 | 22.55 | 41.01 | |||||||||||||
1914 | 27.26 | 17.46 | 25.87 | 41.17 | 53.29 | 63.67 | 63.16 | 62.42 | 57.03 | 43.84 | 31.70 | 18.65 | 42.13 | |||||||||||||
1915 | 18.58 | 26.18 | 24.35 | 43.63 | 46.97 | 57.30 | 63.13 | 58.16 | 56.13 | 43.74 | 31.30 | 22.52 | 41.00 | |||||||||||||
1916 | 19.48 | 20.10 | 35.52 | 38.27 | 50.65 | 58.23 | 63.42 | 62.90 | 53.83 | 42.06 | 27.40 | 15.68 | 40.63 | |||||||||||||
1917 | 19.27 | e | 25.14 | f | 27.06 | 36.80 | 43.29 | 55.90 | 65.16 | 60.90 | 55.37 | 37.29 | ----- | z | ----- | z | 44.56 | c | ||||||||
1918 | 13.23 | 22.36 | 32.55 | 36.20 | 51.90 | ----- | z | ----- | z | 66.16 | 51.57 | 47.42 | 29.50 | 20.86 | b | 37.17 | b | |||||||||
1919 | 14.19 | 23.11 | 34.70 | a | 40.79 | a | 50.55 | 56.90 | a | 64.17 | b | 63.10 | b | 54.87 | 43.03 | a | 26.17 | a | 18.50 | a | 40.84 | |||||
1920 | 19.97 | a | 23.38 | 27.71 | 33.97 | 49.86 | b | 59.50 | 64.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.83 | e | |||||
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | 24.26 | 25.75 | 30.39 | 40.83 | 51.55 | 58.85 | d | 64.23 | a | 65.89 | c | 59.31 | d | ----- | z | 35.67 | c | 24.97 | a | 43.79 | a | |||||
1923 | 26.83 | a | 20.31 | b | 27.78 | d | 41.86 | b | 49.16 | ----- | z | 67.00 | e | 63.56 | m | 56.70 | g | ----- | z | ----- | z | 21.86 | c | 36.40 | e | |
1924 | 17.34 | b | 26.60 | d | ----- | z | 38.96 | d | 45.11 | c | 59.60 | e | 62.11 | c | 65.56 | d | 51.78 | c | 41.91 | h | ----- | z | 16.74 | d | 42.64 | c |
1925 | 15.72 | b | 27.00 | b | 33.21 | b | 42.70 | g | 52.37 | d | 64.68 | e | ----- | z | 62.76 | j | 55.50 | n | 38.83 | b | 29.14 | b | 19.89 | d | 35.11 | d |
1926 | 19.71 | c | 25.74 | a | 29.27 | e | 36.62 | a | 50.44 | f | 58.39 | b | 61.89 | c | 61.57 | h | ----- | z | ----- | z | ----- | z | ----- | z | 38.61 | 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 | 19.71 | 22.32 | 30.12 | 38.68 | 48.76 | 58.66 | 63.93 | 63.07 | 54.47 | 41.40 | 28.98 | 19.85 | 40.90 | |||||||||||||
S.D. | 4.77 | 3.57 | 3.94 | 2.69 | 3.57 | 2.64 | 1.55 | 2.19 | 3.09 | 2.53 | 3.88 | 3.69 | 0.82 | |||||||||||||
SKEW | -0.21 | -0.67 | 0.07 | 0.01 | -0.26 | 0.68 | 0.49 | -0.33 | 0.70 | 0.63 | 0.52 | 0.08 | 0.48 | |||||||||||||
MAX | 27.26 | 27.00 | 35.90 | 43.63 | 54.00 | 64.68 | 67.00 | 66.16 | 61.30 | 47.42 | 36.33 | 27.48 | 42.17 | |||||||||||||
MIN | 9.32 | 14.21 | 24.35 | 33.97 | 43.29 | 54.10 | 61.89 | 58.16 | 50.10 | 37.29 | 23.27 | 13.10 | 39.90 | |||||||||||||
YRS | 19 | 18 | 18 | 17 | 18 | 17 | 16 | 15 | 15 | 15 | 15 | 17 | 9 |