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 | 47.07 | 55.00 | 53.68 | 41.24 | a | 33.06 | 25.27 | 18.00 | 39.05 | e | ||||||
1913 | 10.81 | 14.89 | 23.71 | 30.47 | 40.06 | 49.47 | 53.35 | 52.16 | 42.10 | 32.65 | 29.03 | 12.37 | a | 32.59 | ||||||||||||
1914 | 24.32 | 18.50 | 24.35 | 32.83 | 39.52 | 46.67 | 52.13 | 49.87 | 42.13 | 31.45 | 21.80 | 10.90 | 32.87 | |||||||||||||
1915 | 9.00 | 17.43 | 22.81 | 36.77 | 39.26 | 48.90 | 53.65 | 51.81 | 44.07 | 28.58 | 23.57 | 20.48 | 33.03 | |||||||||||||
1916 | 20.19 | 24.33 | b | 30.83 | a | 34.23 | 40.84 | 49.70 | 55.19 | 53.68 | 45.90 | 36.03 | 22.47 | 15.65 | 35.75 | |||||||||||
1917 | 17.03 | 21.61 | 20.52 | 30.20 | 37.14 | c | 47.73 | 55.84 | 53.32 | 47.57 | 38.16 | 30.83 | 19.61 | 34.96 | ||||||||||||
1918 | 7.17 | a | 22.04 | a | 26.94 | 32.40 | 42.13 | 51.03 | a | 55.61 | 52.42 | 43.67 | 38.65 | 23.23 | 17.65 | 34.41 | ||||||||||
1919 | 15.26 | 16.39 | 26.13 | 36.53 | 43.52 | 47.83 | a | 55.74 | 53.10 | 48.73 | 37.61 | 24.13 | 22.26 | 35.60 | ||||||||||||
1920 | 23.03 | 25.17 | 25.35 | 30.10 | 42.06 | 49.17 | 50.45 | 50.87 | 45.00 | 33.61 | 26.20 | 17.97 | 34.92 | |||||||||||||
1921 | 24.71 | 21.61 | 29.71 | 30.90 | 42.90 | 47.55 | a | 54.52 | b | 53.90 | 48.20 | 37.87 | a | 28.13 | 25.32 | 37.11 | ||||||||||
1922 | 12.23 | 21.04 | 21.55 | i | 37.47 | 39.90 | 44.70 | 49.58 | 51.03 | 43.93 | 30.90 | 21.20 | 18.48 | 33.68 | a | |||||||||||
1923 | 18.90 | 17.61 | 22.77 | 35.17 | 40.39 | 49.41 | a | 53.84 | 54.10 | 43.33 | 35.16 | 25.40 | 19.79 | b | 34.66 | |||||||||||
1924 | 13.16 | 21.45 | 19.84 | 32.33 | 39.10 | 49.33 | 52.77 | 50.77 | 43.07 | 35.65 | 24.87 | 9.47 | a | 32.65 | ||||||||||||
1925 | 10.07 | b | 17.89 | 25.57 | a | 35.87 | 43.84 | 50.17 | 55.48 | 49.90 | 44.23 | 31.77 | a | 20.40 | 14.16 | 33.28 | ||||||||||
1926 | 11.47 | a | 23.57 | 24.87 | 33.00 | 39.65 | 47.13 | 51.13 | 50.00 | 47.27 | 35.77 | 26.13 | 19.42 | 34.12 | ||||||||||||
1927 | 22.35 | 26.75 | 27.26 | 35.20 | 42.00 | a | 47.27 | 52.77 | 51.48 | 45.83 | 34.90 | 30.23 | 12.97 | 35.75 | ||||||||||||
1928 | 17.94 | 19.55 | 27.87 | 30.03 | 42.23 | 48.33 | 52.03 | 51.42 | 41.77 | 37.90 | 22.37 | 14.59 | b | 33.84 | ||||||||||||
1929 | 15.93 | a | 12.75 | 26.25 | c | 30.88 | d | 39.45 | b | 48.04 | e | 54.65 | e | 52.52 | d | 44.92 | d | 33.33 | d | 19.15 | d | 17.70 | d | 32.97 | ||
1930 | 7.79 | b | 22.88 | c | 17.15 | e | 33.20 | e | 37.19 | e | 46.84 | e | 51.77 | e | 51.62 | e | 43.12 | e | 34.67 | d | 21.50 | f | 10.96 | e | 32.47 | a |
1931 | 12.27 | e | 21.04 | d | 21.31 | e | 32.04 | d | 35.77 | e | 45.04 | d | 51.41 | d | 49.04 | e | 46.00 | e | 34.19 | d | 20.17 | f | 15.96 | e | 33.10 | a |
1932 | 10.42 | e | 21.96 | e | 17.62 | e | 30.46 | d | 39.84 | f | 44.69 | d | 52.00 | e | 51.96 | d | 45.76 | e | 32.85 | e | 20.38 | d | 10.22 | d | 30.76 | a |
1933 | 13.72 | f | 8.36 | f | 23.15 | e | 25.72 | e | 36.19 | e | 48.69 | d | 52.32 | f | 52.19 | 45.00 | 33.10 | a | 23.83 | 22.97 | a | 34.54 | c | |||
1934 | 16.00 | e | 22.80 | c | 26.03 | a | 32.03 | 40.84 | 45.23 | 53.23 | 52.81 | 41.30 | 35.87 | 25.47 | 17.94 | 34.13 | ||||||||||
1935 | 22.29 | 21.11 | 26.94 | 33.30 | 41.45 | 48.78 | c | 52.03 | 47.39 | 38.34 | a | 27.61 | 21.77 | 10.90 | 32.66 | |||||||||||
1936 | 10.24 | b | 15.17 | 18.77 | 28.20 | 44.83 | b | 48.47 | o | 49.55 | t | 47.16 | 39.70 | 28.29 | 14.73 | 12.23 | 25.93 | b | ||||||||
1937 | 1.71 | 14.18 | 20.26 | 32.17 | 43.06 | 50.37 | 59.39 | 57.32 | 47.52 | a | 37.26 | 26.77 | q | ----- | z | 36.32 | b | |||||||||
1938 | ----- | z | ----- | z | ----- | z | ----- | z | 47.25 | g | 57.76 | e | 61.60 | f | 70.80 | k | 60.71 | m | 36.89 | d | 19.82 | b | 19.07 | a | 33.38 | h |
1939 | 19.96 | c | 14.75 | 29.70 | a | 34.30 | 42.26 | 49.63 | 54.30 | a | 52.81 | 51.41 | a | 33.44 | d | 23.92 | d | 21.52 | f | 36.95 | a | |||||
1940 | 16.27 | e | 20.84 | d | 27.85 | e | 34.62 | d | 43.08 | e | 50.00 | g | 55.81 | e | 54.37 | d | 49.16 | e | 37.63 | d | 23.69 | d | 21.72 | f | 36.33 | b |
1941 | 22.93 | d | 25.88 | d | 27.54 | e | 35.35 | d | 45.56 | d | 49.04 | e | 54.59 | d | 54.81 | e | 46.23 | d | 40.07 | b | 26.58 | f | 20.44 | d | 38.40 | a |
1942 | 16.26 | d | 16.33 | d | 23.69 | e | 36.36 | e | 40.89 | c | 48.31 | d | 53.48 | d | 53.15 | d | 47.36 | e | 37.25 | c | 27.42 | f | 21.92 | e | 35.91 | a |
1943 | 19.65 | e | 24.80 | c | 24.56 | d | 37.54 | d | 42.50 | e | 49.24 | e | 55.96 | e | 56.96 | e | 45.73 | d | 33.19 | e | 24.69 | d | 18.07 | d | 36.08 | |
1944 | 15.29 | 20.52 | 23.48 | 32.47 | 40.74 | 49.20 | 52.97 | 53.84 | 44.07 | 33.55 | 27.17 | 19.23 | 34.38 | |||||||||||||
1945 | 16.03 | 22.82 | 25.74 | 28.93 | 40.58 | 46.63 | 53.55 | b | 56.35 | 44.43 | 36.32 | 24.30 | 16.74 | 34.37 | ||||||||||||
1946 | 15.71 | 19.43 | 27.87 | 37.07 | 39.71 | 50.43 | 55.27 | e | 56.18 | c | 49.08 | d | 36.19 | d | 26.96 | d | 23.50 | e | 36.45 | |||||||
1947 | 15.85 | e | 20.17 | d | 24.42 | e | 34.15 | d | 44.33 | d | 48.76 | e | 54.11 | d | 55.24 | f | 46.85 | d | 38.33 | d | 20.50 | f | 15.33 | d | 34.23 | b |
1948 | 15.20 | k | 18.67 | e | 18.50 | e | 34.15 | d | 44.08 | e | 50.23 | d | 54.78 | d | 53.85 | e | 46.81 | d | 34.05 | j | 20.20 | e | 20.65 | e | 36.19 | b |
1949 | 15.12 | f | 18.12 | d | 26.59 | d | 34.48 | g | 44.00 | f | 50.38 | d | 56.40 | f | 50.86 | b | 48.43 | i | 34.95 | k | 31.80 | j | 15.00 | j | 36.49 | h |
1950 | 21.75 | o | 21.05 | h | 22.39 | h | 33.70 | j | 40.81 | j | 50.68 | h | 54.90 | k | 50.48 | h | 47.70 | j | 41.14 | i | 26.00 | w | 18.40 | k | ----- | z |
1951 | 10.76 | j | 13.79 | i | 22.38 | j | 29.79 | k | 38.25 | o | 44.42 | k | 54.06 | m | 51.57 | j | 41.29 | i | 32.13 | h | 20.17 | l | 14.60 | k | ----- | z |
1952 | 14.22 | h | ----- | z | 19.38 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 15.52 | 20.12 | 24.46 | 33.04 | 41.09 | 48.58 | 53.78 | 52.46 | 45.02 | 34.72 | 23.91 | 17.14 | 34.39 | |||||||||||||
S.D. | 5.47 | 3.51 | 3.51 | 2.82 | 2.39 | 2.30 | 1.94 | 2.35 | 2.82 | 3.02 | 3.43 | 4.14 | 1.34 | |||||||||||||
SKEW | -0.28 | -0.19 | -0.42 | -0.36 | -0.34 | 1.42 | 0.25 | -0.08 | -0.14 | -0.56 | -0.21 | -0.19 | 0.29 | |||||||||||||
MAX | 24.71 | 26.75 | 30.83 | 37.54 | 45.56 | 57.76 | 59.39 | 57.32 | 51.41 | 40.07 | 30.83 | 25.32 | 37.11 | |||||||||||||
MIN | 1.71 | 12.75 | 17.15 | 25.72 | 35.77 | 44.69 | 49.58 | 47.16 | 38.34 | 27.61 | 14.73 | 9.47 | 32.59 | |||||||||||||
YRS | 33 | 35 | 35 | 35 | 34 | 36 | 34 | 36 | 36 | 36 | 31 | 34 | 22 |