YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1900 | 23.12 | e | 19.68 | 25.16 | 28.47 | 38.29 | 45.57 | 51.71 | 49.83 | a | 42.03 | 29.23 | a | ----- | z | 14.47 | n | 35.31 | b | |||||||
1901 | 18.00 | a | 21.96 | 23.26 | 29.93 | ----- | z | ----- | z | 53.19 | 51.84 | 42.67 | 33.94 | 26.40 | 18.16 | 31.94 | b | |||||||||
1902 | 18.23 | 20.18 | 17.74 | 31.47 | 38.67 | a | 47.80 | 47.71 | 47.97 | ----- | z | ----- | z | ----- | z | ----- | z | 33.72 | d | |||||||
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 33.81 | 19.30 | 18.13 | 23.75 | i | |||
1930 | 15.65 | 22.64 | 25.17 | b | 33.37 | 33.97 | 49.07 | 53.23 | 49.52 | 39.97 | 29.48 | 19.10 | a | 10.74 | 31.82 | |||||||||||
1931 | 13.19 | 21.46 | 23.90 | 32.50 | 37.39 | 46.03 | 52.26 | 50.12 | g | 41.13 | 33.84 | 18.53 | 6.65 | 29.72 | a | |||||||||||
1932 | 3.39 | 15.86 | 15.48 | 20.10 | 25.29 | 35.17 | 42.90 | 40.97 | 31.43 | ----- | z | 10.47 | 0.58 | 21.97 | a | |||||||||||
1933 | 2.29 | 4.61 | 15.94 | 16.77 | ----- | z | 37.63 | 43.13 | 41.06 | 36.80 | ----- | z | ----- | z | 22.52 | 24.53 | c | |||||||||
1934 | 6.06 | 12.61 | 20.32 | 22.80 | 32.94 | 34.43 | 43.84 | 42.97 | 34.40 | 23.77 | 14.27 | 10.03 | 24.87 | |||||||||||||
1935 | 11.65 | 10.43 | 14.87 | 23.23 | 24.06 | 36.53 | 41.48 | 42.13 | 33.00 | 23.84 | 11.50 | 9.16 | 23.49 | |||||||||||||
1936 | 5.65 | 14.14 | a | 15.03 | 21.30 | 28.45 | 36.37 | 41.16 | 41.23 | 34.70 | 22.61 | 11.10 | 7.43 | a | 23.26 | |||||||||||
1937 | -0.61 | 9.50 | 12.58 | 18.50 | ----- | z | ----- | z | 54.90 | 52.84 | 38.17 | 31.32 | 15.73 | o | 10.32 | 25.28 | c | |||||||||
1938 | 12.16 | 18.46 | 24.65 | 28.40 | 40.19 | 37.67 | 44.71 | 40.26 | ----- | z | ----- | z | ----- | z | ----- | z | 30.81 | d | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 10.73 | 15.96 | 19.51 | 25.57 | 33.25 | 40.63 | 47.52 | 45.51 | 37.43 | 29.09 | 16.33 | 11.37 | 25.86 | |||||||||||||
S.D. | 7.37 | 5.76 | 4.73 | 5.78 | 6.04 | 5.75 | 5.21 | 4.89 | 3.97 | 4.63 | 5.50 | 6.48 | 4.04 | |||||||||||||
SKEW | 0.04 | -0.56 | -0.00 | -0.08 | -0.42 | 0.40 | 0.15 | 0.31 | -0.08 | -0.31 | 0.56 | 0.24 | 1.05 | |||||||||||||
MAX | 23.12 | 22.64 | 25.17 | 33.37 | 40.19 | 49.07 | 54.90 | 52.84 | 42.67 | 33.94 | 26.40 | 22.52 | 31.82 | |||||||||||||
MIN | -0.61 | 4.61 | 12.58 | 16.77 | 24.06 | 34.43 | 41.16 | 40.26 | 31.43 | 22.61 | 10.47 | 0.58 | 23.26 | |||||||||||||
YRS | 12 | 12 | 12 | 12 | 9 | 10 | 12 | 11 | 10 | 9 | 8 | 10 | 4 |