YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 20.00 | s | 16.37 | a | 16.37 | k |
1908 | 14.33 | v | 16.68 | j | 27.89 | c | 33.30 | c | 39.03 | b | 47.60 | 51.40 | a | 51.87 | a | 41.18 | b | 32.63 | d | 19.04 | d | 18.88 | g | 38.22 | c | |
1909 | 23.64 | i | 18.74 | e | 22.14 | b | 28.93 | 35.06 | 46.59 | a | 53.86 | c | 53.79 | c | 41.56 | c | 32.17 | g | 29.65 | g | 7.53 | a | 34.24 | c | ||
1910 | 17.63 | a | 12.73 | b | 28.97 | a | 33.29 | b | 41.13 | a | 49.21 | a | 53.03 | 52.97 | a | 47.30 | 33.97 | 27.41 | a | 17.11 | c | 34.56 | ||||
1911 | 23.45 | 15.57 | 28.73 | a | 35.43 | 44.68 | 53.33 | 54.50 | a | 50.16 | 50.50 | 34.16 | 20.53 | 4.81 | 34.66 | |||||||||||
1912 | 15.17 | a | 14.71 | a | 22.87 | 30.15 | c | 39.84 | 45.10 | 50.61 | 50.68 | 40.10 | a | 29.97 | b | 19.40 | 11.35 | 30.83 | ||||||||
1913 | 9.84 | 12.54 | 21.84 | 29.97 | 40.43 | a | 48.41 | a | 51.58 | 50.97 | 39.73 | 30.68 | 28.30 | 7.68 | 31.00 | |||||||||||
1914 | 23.23 | 16.43 | 22.81 | 31.17 | 41.00 | 45.86 | a | 53.13 | 49.39 | 45.07 | 34.81 | 23.07 | 12.97 | 33.24 | ||||||||||||
1915 | 11.52 | 18.43 | 21.60 | a | 34.07 | ----- | z | 46.46 | q | 51.26 | 47.61 | ----- | z | ----- | z | ----- | z | 19.03 | 29.07 | e | ||||||
1916 | 16.53 | a | 20.76 | 28.39 | c | 29.67 | 39.63 | a | 47.13 | 52.29 | 52.84 | 42.53 | 34.52 | 20.67 | 16.13 | 33.42 | ||||||||||
1917 | 15.18 | c | 19.79 | 18.77 | a | 28.36 | b | 36.16 | 47.75 | b | 53.35 | 49.90 | 44.63 | 29.21 | g | 27.38 | a | 21.39 | 32.97 | a | ||||||
1918 | 8.81 | 19.15 | b | 25.29 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.37 | 38.43 | a | 23.10 | a | 17.60 | a | 25.41 | f | ||
1919 | 14.23 | 15.74 | a | 22.80 | a | 33.90 | 41.90 | 45.83 | a | 55.43 | a | 53.35 | 46.33 | c | 35.17 | a | 21.87 | 20.03 | a | 33.88 | ||||||
1920 | 20.42 | e | 19.76 | 22.10 | a | 28.13 | 41.97 | ----- | z | ----- | z | 47.44 | d | 41.27 | 31.39 | 21.55 | a | 12.16 | 28.62 | b | ||||||
1921 | 19.67 | a | 17.00 | 26.70 | a | 25.62 | a | 38.93 | c | 45.82 | b | 51.10 | a | 50.41 | b | ----- | z | 32.73 | a | 21.79 | b | 21.37 | a | 31.92 | a | |
1922 | 7.23 | 18.61 | 20.64 | c | 30.34 | a | 37.61 | c | 46.80 | 51.50 | a | 50.23 | e | 42.75 | b | 28.66 | b | 20.58 | d | 19.88 | e | 31.24 | ||||
1923 | 19.39 | 16.60 | c | 19.62 | b | 34.55 | a | 39.11 | c | 48.88 | d | 51.82 | c | 51.46 | e | 40.97 | a | 34.83 | a | 22.19 | c | 13.77 | a | 32.77 | ||
1924 | 10.79 | c | 19.14 | a | 18.83 | a | 28.70 | c | 37.00 | c | 46.50 | 49.48 | 47.76 | b | 40.53 | 36.73 | a | 22.59 | a | 10.20 | a | 30.69 | ||||
1925 | 9.94 | 19.57 | n | 26.32 | c | 35.47 | 42.42 | 50.76 | a | 54.74 | 50.13 | 45.53 | 33.33 | a | 19.79 | b | 14.19 | 34.78 | a | |||||||
1926 | 10.45 | 21.57 | 21.61 | 32.07 | 39.77 | 45.34 | a | 48.87 | 46.94 | 43.58 | f | 34.48 | 24.47 | 13.87 | 30.86 | a | ||||||||||
1927 | 16.61 | 21.61 | 24.55 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 20.92 | i | |||
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.07 | p | 57.29 | 50.53 | ----- | z | 20.45 | a | 15.00 | a | 35.82 | h | ||
1929 | 16.29 | 13.46 | 26.35 | 32.03 | 41.32 | 46.67 | 53.74 | 51.29 | 44.62 | a | 31.47 | a | 18.03 | 16.03 | a | 32.61 | ||||||||||
1930 | ----- | z | 22.07 | a | 16.87 | 33.97 | 37.47 | a | 46.93 | 52.29 | 50.60 | a | 44.63 | 35.77 | 20.77 | 12.30 | a | 33.97 | a | |||||||
1931 | 14.17 | a | 21.93 | 22.27 | a | 32.69 | a | 37.86 | c | 50.30 | 52.35 | 49.87 | 49.97 | 37.00 | a | 22.60 | 19.48 | 34.21 | ||||||||
1932 | 14.23 | 24.78 | b | 22.23 | 32.14 | a | 41.58 | 45.97 | 52.23 | 52.71 | 42.33 | 32.45 | 19.70 | 12.90 | a | 32.77 | ||||||||||
1933 | 16.16 | 10.07 | 23.81 | 26.45 | a | 39.73 | a | 49.90 | a | 52.55 | 51.55 | 47.28 | a | 34.23 | 23.03 | 22.61 | 33.11 | |||||||||
1934 | 17.45 | 23.07 | 25.57 | a | 32.80 | 43.10 | a | 46.80 | 53.06 | 53.00 | 42.57 | 35.87 | a | 22.07 | 18.19 | 34.46 | ||||||||||
1935 | 21.65 | 17.78 | a | 30.83 | a | 34.33 | 39.65 | 46.40 | 52.32 | 52.00 | 42.63 | 33.00 | 21.20 | 13.16 | 33.75 | |||||||||||
1936 | 14.94 | 19.89 | a | 23.77 | 29.69 | a | 42.27 | a | 50.10 | 51.19 | ----- | z | 43.57 | 32.29 | 17.70 | 14.60 | a | 30.91 | a | |||||||
1937 | 10.90 | 29.39 | e | 21.97 | 30.87 | 42.42 | 48.47 | 51.29 | 52.65 | 45.20 | 33.84 | 29.70 | 19.39 | 34.67 | ||||||||||||
1938 | 14.68 | 16.82 | 28.45 | 31.20 | 37.42 | 49.90 | 52.55 | 53.10 | 45.93 | 35.10 | a | 16.38 | f | 17.48 | 34.78 | a | ||||||||||
1939 | 17.00 | a | 12.00 | a | 23.68 | 30.60 | 39.32 | 49.27 | 53.39 | 48.81 | 49.50 | 32.00 | 18.63 | 15.84 | 32.50 | |||||||||||
1940 | 12.58 | 17.90 | 24.61 | ----- | z | 40.29 | 46.57 | 53.23 | 55.73 | a | 48.40 | ----- | z | 24.17 | r | 14.50 | a | 34.87 | c | |||||||
1941 | 15.71 | 21.96 | 23.10 | 31.93 | 44.23 | 46.66 | a | 50.74 | 55.16 | 50.37 | 38.42 | 22.83 | 18.65 | 34.98 | ||||||||||||
1942 | 12.74 | 13.11 | 20.23 | 34.17 | 39.19 | 47.93 | 52.90 | 51.71 | 46.47 | 34.71 | 27.13 | 20.26 | 33.38 | |||||||||||||
1943 | 18.00 | 20.93 | 22.61 | 34.40 | 39.06 | 49.17 | 55.87 | 56.32 | 43.10 | 30.29 | 19.10 | 12.77 | 33.47 | |||||||||||||
1944 | 12.42 | 20.07 | 21.94 | 29.17 | 38.32 | 48.53 | 52.45 | 52.65 | 44.10 | 35.73 | a | 23.97 | 13.23 | a | 32.71 | |||||||||||
1945 | 13.47 | a | 21.79 | 26.28 | m | 28.13 | 40.87 | 44.57 | 51.87 | 53.65 | 44.21 | a | 34.03 | ----- | z | 16.06 | 34.86 | b | ||||||||
1946 | 14.17 | a | 19.96 | 26.61 | 35.33 | 38.35 | 50.47 | 54.48 | b | 54.42 | 47.30 | 34.42 | 22.31 | a | 20.74 | 34.88 | ||||||||||
1947 | 15.94 | 17.04 | 21.42 | 31.00 | ----- | z | 49.17 | a | 52.92 | r | 53.67 | a | 46.30 | 36.19 | 18.07 | 13.48 | 30.23 | b | ||||||||
1948 | 14.00 | b | 16.77 | c | 16.03 | a | 36.57 | 41.58 | 48.10 | 49.50 | a | 51.32 | 45.73 | 32.39 | 18.07 | 18.81 | 32.41 | |||||||||
1949 | 11.94 | 18.96 | b | 23.65 | 33.23 | 42.52 | 49.17 | 53.90 | 51.10 | 46.73 | 33.74 | 28.97 | 15.17 | a | 34.09 | |||||||||||
1950 | 19.34 | b | 21.26 | a | 23.16 | 33.47 | 40.00 | 51.60 | 52.77 | 49.61 | 46.47 | 40.26 | 23.83 | 20.35 | 35.18 | |||||||||||
1951 | 13.03 | 21.15 | a | 23.74 | 30.60 | 41.55 | 48.20 | 55.29 | 55.35 | 44.10 | 35.39 | 21.14 | a | 18.83 | a | 34.03 | ||||||||||
1952 | 21.10 | b | 18.96 | a | 19.68 | 31.93 | a | 42.00 | 53.90 | a | 52.55 | 54.74 | 45.53 | 33.00 | 20.50 | 15.81 | 34.14 | |||||||||
1953 | 24.45 | 17.21 | 27.94 | 30.23 | 39.90 | 53.77 | 55.03 | 50.00 | 43.90 | 34.45 | 25.27 | 15.40 | a | 34.80 | ||||||||||||
1954 | 21.52 | 23.57 | 24.37 | a | 36.27 | 41.71 | 50.87 | 55.61 | 52.23 | a | 49.53 | 37.97 | b | 24.90 | 17.84 | 36.37 | ||||||||||
1955 | 15.19 | 12.43 | 26.58 | 33.20 | 41.58 | 47.03 | 53.03 | 53.48 | 45.80 | 35.39 | 24.30 | 21.13 | a | 34.10 | ||||||||||||
1956 | 21.52 | 18.00 | a | 24.90 | 30.27 | 44.13 | 53.20 | 53.52 | 51.23 | 45.73 | 36.23 | 17.80 | 16.45 | 34.41 | ||||||||||||
1957 | 17.84 | 27.64 | 27.16 | 28.27 | 39.42 | 46.93 | a | 55.35 | 52.55 | 41.93 | 38.23 | 22.41 | a | 21.84 | 34.96 | |||||||||||
1958 | 14.97 | 22.82 | 21.94 | 30.77 | 42.39 | 49.62 | a | 52.13 | 52.06 | 47.43 | 33.45 | 23.77 | 17.04 | c | 34.03 | |||||||||||
1959 | 14.19 | 19.82 | 20.87 | 27.71 | i | 43.04 | g | 50.03 | 51.55 | 54.23 | 43.87 | 34.00 | 21.23 | ----- | z | 34.42 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 15.66 | 18.81 | 23.54 | 31.68 | 40.32 | 48.45 | 52.70 | 51.88 | 45.02 | 34.30 | 22.24 | 16.06 | 33.60 | |||||||||||||
S.D. | 4.03 | 3.91 | 3.22 | 2.58 | 2.12 | 2.31 | 1.63 | 2.32 | 2.85 | 2.38 | 3.05 | 3.90 | 1.33 | |||||||||||||
SKEW | 0.25 | 0.11 | 0.06 | -0.16 | -0.18 | 0.65 | -0.04 | 0.02 | 0.18 | 0.09 | 0.65 | -0.62 | -0.57 | |||||||||||||
MAX | 24.45 | 29.39 | 30.83 | 36.57 | 44.68 | 53.90 | 55.87 | 57.29 | 50.53 | 40.26 | 29.70 | 22.61 | 36.37 | |||||||||||||
MIN | 7.23 | 10.07 | 16.03 | 25.62 | 35.06 | 44.57 | 48.87 | 46.94 | 39.73 | 28.66 | 17.70 | 4.81 | 30.69 | |||||||||||||
YRS | 48 | 49 | 49 | 47 | 46 | 47 | 47 | 49 | 48 | 46 | 46 | 50 | 34 |