YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.43 | q | 58.61 | b | 43.26 | ----- | z | ----- | z | 50.93 | j | |
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 | 52.00 | n | 40.45 | 25.04 | d | 19.39 | 28.29 | i | ||
1927 | 21.32 | 23.89 | 25.23 | ----- | z | 47.71 | c | 53.97 | 59.35 | 56.74 | 49.40 | 35.84 | 30.20 | 13.90 | 37.96 | a | ||||||||||
1928 | 17.81 | 19.14 | 28.20 | a | 31.47 | 46.71 | 52.17 | 59.00 | 56.13 | 47.40 | 40.26 | 28.43 | 19.07 | a | 37.15 | |||||||||||
1929 | 16.42 | e | 14.29 | 27.26 | 34.73 | 44.35 | 53.00 | 58.80 | a | 57.87 | 48.20 | 37.39 | 20.93 | 18.48 | 35.98 | |||||||||||
1930 | 8.13 | 23.86 | 20.76 | j | 37.89 | b | 42.06 | 54.97 | 58.65 | 57.16 | 49.57 | 40.26 | 28.48 | a | 17.52 | 38.05 | a | |||||||||
1931 | 19.71 | 26.61 | 23.10 | 35.33 | 42.42 | 55.20 | 58.03 | 54.87 | 52.87 | 39.90 | 25.57 | 24.55 | 38.18 | |||||||||||||
1932 | 18.10 | 27.38 | 22.32 | 35.96 | d | 46.25 | c | 52.57 | 60.13 | 59.68 | 51.93 | 36.32 | 26.00 | 14.12 | g | 39.69 | a | |||||||||
1933 | 20.42 | 14.29 | 26.94 | 31.17 | 44.03 | 55.93 | 59.42 | 60.29 | 52.70 | 39.39 | 27.77 | 24.55 | 38.07 | |||||||||||||
1934 | 26.35 | 26.32 | 26.87 | 38.03 | 48.29 | 54.57 | 61.50 | a | 59.52 | 48.87 | 45.45 | 29.10 | 19.48 | 40.36 | ||||||||||||
1935 | 24.81 | 22.52 | a | 30.55 | 35.53 | 43.16 | 61.61 | b | 62.10 | 58.26 | 47.47 | 39.03 | 29.30 | 21.58 | 39.66 | |||||||||||
1936 | 17.06 | 15.72 | 29.35 | 36.10 | a | 50.03 | 57.10 | 60.39 | 59.06 | 51.57 | 37.03 | 25.77 | 21.27 | a | 38.37 | |||||||||||
1937 | 9.03 | 20.79 | 28.00 | 37.33 | 50.77 | a | 57.80 | 62.74 | 62.16 | 54.23 | 42.06 | 26.53 | 20.83 | a | 39.36 | |||||||||||
1938 | 22.00 | 24.93 | 33.29 | 40.03 | 48.00 | 57.83 | 61.06 | 61.23 | 53.27 | 43.43 | a | 23.20 | 23.39 | 40.97 | ||||||||||||
1939 | 27.35 | 17.07 | 33.61 | 42.60 | 50.35 | 55.67 | 62.42 | 56.81 | 54.03 | 37.55 | 25.23 | 21.90 | 40.38 | |||||||||||||
1940 | 15.52 | 25.07 | 27.94 | 36.23 | 47.47 | a | 54.23 | 60.84 | 58.19 | 52.90 | 41.68 | 26.50 | 24.68 | 39.27 | ||||||||||||
1941 | 22.45 | 25.61 | 28.58 | 42.36 | b | 55.83 | a | 59.67 | 63.16 | 62.03 | 56.45 | a | 42.81 | 29.00 | 21.10 | 42.42 | ||||||||||
1942 | 16.59 | b | 16.16 | c | 25.39 | 36.41 | a | 44.55 | 57.60 | 58.38 | b | 57.94 | 50.00 | 40.16 | 30.90 | a | 22.61 | 38.06 | ||||||||
1943 | 21.67 | a | 28.32 | 27.16 | 45.47 | 45.14 | b | 57.63 | 61.16 | 62.32 | 49.77 | 35.84 | 27.24 | a | 18.03 | 39.98 | ||||||||||
1944 | 19.71 | 24.83 | 25.10 | 34.00 | 47.58 | 54.80 | 59.07 | a | 59.45 | 50.80 | 40.61 | 29.27 | 21.16 | 38.86 | ||||||||||||
1945 | 19.45 | 24.11 | 28.30 | d | 31.37 | 43.90 | 50.60 | 58.87 | 61.20 | a | 48.10 | 39.61 | 27.28 | a | 16.90 | 37.47 | ||||||||||
1946 | 17.03 | a | 22.07 | 30.19 | 42.47 | 43.65 | 55.50 | 60.58 | 59.61 | 53.73 | 41.23 | 26.33 | 23.65 | 39.67 | ||||||||||||
1947 | 16.61 | 19.57 | 24.45 | 35.20 | 45.52 | 53.57 | 58.74 | 60.10 | 52.57 | 43.97 | 23.47 | 20.74 | 37.88 | |||||||||||||
1948 | 17.63 | a | 19.97 | 22.23 | 38.13 | 47.17 | a | 56.17 | 60.16 | 59.10 | a | 50.07 | a | 36.97 | a | 23.90 | 21.23 | 37.73 | ||||||||
1949 | 15.42 | 21.32 | 27.58 | 37.50 | 46.39 | 53.87 | 59.42 | 56.16 | 50.50 | 36.48 | 30.46 | b | 18.03 | 37.76 | ||||||||||||
1950 | 15.94 | 23.86 | 21.84 | 35.20 | 42.13 | 54.17 | 57.84 | 53.77 | 50.87 | 42.55 | 25.57 | 19.77 | a | 36.96 | ||||||||||||
1951 | 16.23 | a | 21.12 | b | 24.52 | 32.86 | b | 45.10 | 52.10 | 59.94 | 57.48 | 46.73 | 36.33 | a | 20.87 | 17.87 | a | 35.93 | ||||||||
1952 | 21.13 | 22.34 | 23.17 | b | 35.43 | 45.19 | 59.07 | 57.60 | a | 59.90 | 47.57 | 34.03 | 22.00 | b | 17.42 | 37.07 | ||||||||||
1953 | 23.13 | a | 18.21 | 28.42 | 30.00 | 40.52 | 56.76 | a | 58.16 | 55.68 | 46.80 | 36.84 | 26.75 | f | 17.13 | 37.42 | a | |||||||||
1954 | 18.79 | b | 24.25 | 25.37 | a | 39.33 | 45.61 | 56.03 | a | 62.43 | a | 59.19 | 53.80 | 40.77 | 28.21 | a | 21.03 | a | 39.57 | |||||||
1955 | 16.87 | 14.82 | 24.29 | 36.80 | 45.81 | 51.68 | b | 59.55 | 57.55 | b | 51.57 | 38.48 | 22.37 | 21.87 | a | 36.80 | ||||||||||
1956 | 18.81 | 17.17 | 23.53 | a | 31.80 | 47.97 | 56.93 | 58.23 | 54.87 | 49.39 | b | 38.55 | 23.10 | 20.26 | 36.72 | |||||||||||
1957 | 19.03 | a | 28.43 | 28.81 | 34.70 | 45.68 | 52.87 | 61.32 | 60.23 | 46.97 | 41.77 | 25.87 | 22.45 | 39.01 | ||||||||||||
1958 | 18.23 | 23.71 | 24.58 | 35.10 | 49.81 | 57.53 | 58.74 | 58.68 | 53.67 | 39.48 | 25.30 | 19.74 | 38.71 | |||||||||||||
1959 | 14.90 | 22.54 | 24.29 | 34.30 | 45.39 | 55.83 | 57.26 | 59.55 | 46.60 | 36.35 | 21.73 | 23.16 | 36.83 | |||||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 18.60 | 21.83 | 26.58 | 36.28 | 46.20 | 55.42 | 59.85 | 58.57 | 50.85 | 39.49 | 26.09 | 20.45 | 38.45 | |||||||||||||
S.D. | 4.04 | 4.10 | 2.99 | 3.59 | 3.03 | 2.47 | 1.61 | 2.17 | 2.96 | 2.74 | 2.82 | 2.54 | 1.55 | |||||||||||||
SKEW | -0.27 | -0.35 | 0.48 | 0.58 | 0.84 | 0.26 | 0.43 | -0.26 | 0.46 | 0.12 | -0.19 | -0.30 | 0.46 | |||||||||||||
MAX | 27.35 | 28.43 | 33.61 | 45.47 | 55.83 | 61.61 | 63.16 | 62.32 | 58.61 | 45.45 | 30.90 | 24.68 | 42.42 | |||||||||||||
MIN | 8.13 | 14.29 | 21.84 | 30.00 | 40.52 | 50.60 | 57.26 | 53.77 | 46.60 | 34.03 | 20.87 | 13.90 | 35.93 | |||||||||||||
YRS | 33 | 33 | 32 | 32 | 33 | 33 | 33 | 33 | 34 | 35 | 33 | 33 | 29 |