YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1917 | ----- | z | ----- | z | ----- | z | 27.19 | c | 34.13 | 42.53 | 51.94 | 48.55 | 42.97 | 26.42 | 22.93 | 15.87 | 34.72 | c | ||||||||
1918 | 2.13 | 13.57 | 23.90 | 25.27 | ----- | z | 48.47 | 51.00 | 46.68 | 40.57 | 32.74 | 16.90 | 10.42 | 28.33 | a | |||||||||||
1919 | 6.87 | 8.36 | 20.81 | 31.37 | 37.71 | ----- | z | 50.30 | a | 47.71 | 42.40 | 29.10 | 18.20 | 12.52 | 27.76 | a | ||||||||||
1920 | 16.71 | 16.93 | 15.84 | 21.53 | 38.81 | 45.23 | 47.55 | 45.10 | 37.07 | 27.00 | 21.50 | 11.90 | 28.76 | |||||||||||||
1921 | ----- | z | 15.93 | 23.65 | 23.43 | 39.29 | 44.57 | 50.10 | 49.55 | ----- | z | 27.42 | 17.37 | 11.55 | 30.28 | b | ||||||||||
1922 | 2.48 | 8.46 | 17.13 | 26.83 | 36.52 | 48.67 | 53.26 | 64.81 | 44.53 | ----- | z | 18.27 | ----- | z | 32.10 | b | ||||||||||
1923 | 12.74 | 10.86 | 17.39 | 25.80 | 35.84 | 49.60 | 51.58 | 50.29 | ----- | z | 33.74 | 22.17 | 16.23 | 29.66 | a | |||||||||||
1924 | ----- | z | 18.52 | 14.97 | 31.03 | 37.68 | 52.57 | 55.10 | 48.06 | 38.87 | 29.39 | ----- | z | 9.71 | 33.59 | b | ||||||||||
1925 | 8.94 | 17.46 | 20.42 | 32.53 | 38.65 | 43.20 | 51.52 | ----- | z | 40.83 | ----- | z | 17.00 | 12.03 | 28.26 | b | ||||||||||
1926 | 9.48 | 18.04 | 21.06 | 29.17 | 36.84 | ----- | z | 47.71 | 47.16 | 44.17 | 31.71 | 17.03 | 11.32 | 28.52 | a | |||||||||||
1927 | 13.42 | 16.75 | 17.35 | ----- | z | 47.39 | ----- | z | 58.35 | ----- | z | 50.40 | ----- | z | 20.07 | 5.52 | 28.66 | d | ||||||||
1928 | 11.97 | 13.34 | 21.52 | 25.67 | 38.61 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 11.13 | 20.37 | f | ||||||
1929 | 10.42 | 8.00 | 18.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.93 | ----- | z | ----- | z | 11.70 | a | 17.39 | g | ||||
1930 | ----- | z | 16.82 | ----- | z | 32.07 | 37.03 | 44.73 | 51.03 | a | 48.97 | 38.47 | 32.52 | 17.07 | ----- | z | 35.41 | c | ||||||||
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.03 | 46.23 | ----- | z | ----- | z | 17.73 | 10.19 | 30.80 | h | ||||
1932 | 7.84 | 17.07 | 13.42 | 26.50 | 35.97 | 40.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 23.62 | f | ||||||
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 17.26 | 17.26 | k | |
1934 | 10.61 | 16.11 | 18.55 | 24.30 | 33.16 | 41.03 | 48.35 | 51.13 | 40.40 | 32.26 | 21.80 | 12.84 | 29.21 | |||||||||||||
1935 | 16.16 | 15.46 | 20.58 | 24.67 | 36.48 | 43.43 | 50.39 | 50.13 | 41.90 | 30.55 | 16.50 | 9.97 | 29.69 | |||||||||||||
1936 | 7.94 | 13.28 | 19.45 | 26.93 | 40.26 | 45.80 | 52.55 | 54.35 | 38.33 | 30.52 | 15.67 | 10.90 | 29.66 | |||||||||||||
1937 | -2.26 | 13.39 | ----- | z | 27.47 | 39.97 | 44.43 | 51.71 | 50.74 | 44.97 | 30.81 | 18.27 | 11.77 | 30.12 | a | |||||||||||
1938 | 9.84 | 14.36 | 23.45 | 27.30 | 36.19 | 46.87 | 47.87 | 48.26 | 43.60 | 32.35 | 14.70 | 14.68 | 29.96 | |||||||||||||
1939 | 11.68 | 4.75 | 20.68 | 27.23 | 34.58 | 42.00 | 47.55 | 45.58 | 42.90 | 24.48 | 12.83 | 10.19 | 27.04 | |||||||||||||
1940 | 5.71 | 12.86 | 19.00 | 25.80 | 36.03 | 43.23 | 47.10 | 49.00 | 44.70 | 33.26 | 16.73 | 14.90 | 29.03 | |||||||||||||
1941 | 16.19 | 21.18 | 20.97 | 30.70 | 43.13 | 45.30 | 49.84 | 48.10 | 41.93 | 30.03 | 16.67 | ----- | z | 33.09 | a | |||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 9.41 | 14.16 | 19.45 | 27.28 | 37.82 | 45.14 | 50.66 | 49.49 | 41.94 | 30.25 | 17.97 | 12.03 | 29.05 | |||||||||||||
S.D. | 4.99 | 4.03 | 2.84 | 2.93 | 3.15 | 3.11 | 2.75 | 4.30 | 3.20 | 2.65 | 2.57 | 2.65 | 0.98 | |||||||||||||
SKEW | -0.57 | -0.65 | -0.33 | 0.23 | 1.37 | 0.74 | 0.99 | 2.51 | 0.66 | -0.66 | 0.35 | -0.00 | -1.33 | |||||||||||||
MAX | 16.71 | 21.18 | 23.90 | 32.53 | 47.39 | 52.57 | 58.35 | 64.81 | 50.40 | 33.74 | 22.93 | 17.26 | 29.96 | |||||||||||||
MIN | -2.26 | 4.75 | 13.42 | 21.53 | 33.16 | 40.90 | 47.10 | 45.10 | 37.07 | 24.48 | 12.83 | 5.52 | 27.04 | |||||||||||||
YRS | 19 | 22 | 20 | 21 | 21 | 18 | 21 | 19 | 19 | 17 | 20 | 21 | 7 |