YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 7.00 | 12.29 | 20.52 | 30.43 | 40.90 | 48.27 | 53.68 | 53.06 | 42.57 | 30.97 | 28.60 | 13.45 | 31.81 | |||||||||||||
1914 | 20.71 | 15.68 | 21.68 | 32.20 | 41.61 | 50.20 | 51.81 | 51.10 | 42.87 | 33.16 | 22.03 | 11.16 | 32.85 | |||||||||||||
1915 | 9.42 | 18.90 | r | 24.35 | n | 33.50 | f | 42.40 | u | 42.55 | j | ----- | z | 50.03 | b | 46.67 | ----- | z | ----- | z | ----- | z | 35.37 | i | ||
1916 | ----- | z | 23.67 | h | 28.16 | 33.87 | 42.32 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.78 | i | |||
1917 | ----- | z | ----- | z | 14.73 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.82 | b | ----- | z | 28.47 | 21.32 | 26.84 | h | ||
1918 | 11.03 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 23.03 | 15.42 | 16.49 | i | |||
1919 | 11.97 | 15.00 | 25.58 | 36.47 | 43.03 | 47.57 | 56.61 | 51.94 | 47.83 | 34.35 | 19.97 | 16.90 | 33.94 | |||||||||||||
1920 | 17.29 | 19.93 | 17.32 | 23.87 | 39.71 | 44.30 | 49.84 | 46.53 | a | 39.00 | 30.39 | 19.83 | 11.52 | 29.96 | ||||||||||||
1921 | 16.16 | 13.79 | 21.71 | 24.60 | 39.39 | 46.70 | 50.68 | 51.74 | 42.33 | 32.19 | 21.03 | 18.65 | 31.58 | |||||||||||||
1922 | 3.68 | 11.71 | 19.55 | 30.13 | 38.10 | 47.20 | 51.71 | 51.94 | 46.50 | 28.68 | 20.63 | 16.33 | a | 30.51 | ||||||||||||
1923 | 11.90 | 11.39 | 14.90 | 28.00 | 38.00 | 47.60 | 52.90 | 50.90 | 40.90 | 32.61 | ----- | z | ----- | z | 32.91 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 12.13 | 14.26 | 20.46 | 29.95 | 40.38 | 47.40 | 52.46 | 50.91 | 43.50 | 31.76 | 22.95 | 15.59 | 31.78 | |||||||||||||
S.D. | 5.28 | 2.99 | 4.51 | 4.35 | 1.89 | 1.77 | 2.23 | 1.98 | 2.91 | 1.90 | 3.60 | 3.49 | 1.47 | |||||||||||||
SKEW | 0.07 | 0.94 | 0.29 | -0.07 | 0.03 | -0.25 | 0.79 | -1.41 | 0.15 | -0.31 | 0.89 | 0.19 | 0.23 | |||||||||||||
MAX | 20.71 | 19.93 | 28.16 | 36.47 | 43.03 | 50.20 | 56.61 | 53.06 | 47.83 | 34.35 | 28.60 | 21.32 | 33.94 | |||||||||||||
MIN | 3.68 | 11.39 | 14.73 | 23.87 | 38.00 | 44.30 | 49.84 | 46.53 | 39.00 | 28.68 | 19.83 | 11.16 | 29.96 | |||||||||||||
YRS | 9 | 7 | 9 | 8 | 8 | 7 | 7 | 8 | 9 | 7 | 8 | 8 | 6 |