YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 41.39 | l | 36.79 | b | 21.30 | 14.87 | a | 24.32 | i | |
1917 | 17.21 | b | 19.78 | a | 21.23 | 28.00 | 35.97 | 43.63 | 56.06 | 50.52 | 47.73 | 32.23 | 24.30 | 19.87 | 33.04 | |||||||||||
1918 | 14.10 | b | 24.57 | 29.83 | a | 31.83 | 37.03 | 51.03 | 54.71 | 51.81 | 46.00 | 35.58 | 22.69 | a | 16.19 | 34.62 | ||||||||||
1919 | 5.16 | 12.82 | 23.48 | 36.03 | 38.65 | 45.03 | 55.94 | 53.39 | 48.23 | 35.39 | 25.07 | 23.68 | 33.57 | |||||||||||||
1920 | 22.10 | 28.72 | 25.61 | 31.13 | 36.39 | 43.97 | 52.52 | 51.48 | 45.10 | 32.77 | 26.28 | a | 16.81 | 34.41 | ||||||||||||
1921 | 22.32 | 20.75 | 28.68 | 27.63 | 35.32 | 44.77 | 55.74 | 53.71 | 45.83 | 37.10 | a | 25.60 | 24.33 | a | 35.15 | |||||||||||
1922 | 15.87 | 21.50 | 24.29 | 29.53 | 36.97 | 46.70 | 55.71 | 53.26 | 46.83 | f | 33.52 | 22.90 | 26.10 | 33.30 | a | |||||||||||
1923 | 19.74 | 20.33 | a | 22.71 | 31.50 | 36.68 | 40.93 | 54.71 | 52.74 | 43.13 | 31.13 | a | 28.10 | a | 19.06 | 33.40 | ||||||||||
1924 | 14.81 | 20.62 | 23.03 | a | 29.27 | 36.35 | 44.23 | 53.16 | 50.71 | 44.43 | 32.74 | 25.20 | 12.45 | 32.25 | ||||||||||||
1925 | 6.71 | 24.61 | 31.61 | 32.07 | 40.52 | 46.67 | 53.68 | 50.48 | 44.00 | 36.58 | 22.57 | 17.16 | 33.89 | |||||||||||||
1926 | 12.42 | 22.04 | 26.32 | 35.03 | 38.97 | 43.37 | 50.48 | 50.35 | 47.47 | 36.68 | 26.03 | 15.27 | a | 33.70 | ||||||||||||
1927 | 21.90 | 28.25 | 26.19 | 30.20 | 34.77 | 42.70 | 52.97 | 52.23 | 46.20 | 32.81 | 28.10 | 14.80 | a | 34.26 | ||||||||||||
1928 | 18.97 | 19.38 | 28.06 | 25.70 | 40.13 | 43.67 | 51.90 | 48.56 | d | 44.57 | 34.71 | 26.20 | 15.58 | 33.12 | ||||||||||||
1929 | 18.39 | h | 13.46 | 23.52 | 27.10 | 37.16 | 39.57 | 51.42 | 48.26 | 44.10 | 30.74 | 15.67 | 13.10 | 31.28 | a | |||||||||||
1930 | 13.84 | 18.86 | 20.43 | a | 31.77 | 32.90 | 45.37 | 55.23 | 50.97 | 42.27 | 30.74 | 21.87 | 12.00 | 31.35 | ||||||||||||
1931 | 12.27 | a | 25.86 | 23.71 | 32.33 | 37.48 | 45.73 | 56.19 | d | 53.35 | 49.69 | a | 35.52 | 23.37 | 3.55 | 33.25 | ||||||||||
1932 | 8.03 | 23.14 | 25.54 | g | 29.38 | a | 36.08 | g | 40.87 | 55.55 | 53.97 | 42.93 | 35.81 | 21.40 | 6.71 | 31.78 | b | |||||||||
1933 | 10.00 | 10.61 | 21.00 | a | 26.50 | 32.06 | 46.10 | 55.81 | 53.32 | 48.13 | 38.30 | a | 24.03 | 20.06 | 32.16 | |||||||||||
1934 | 17.28 | f | 23.07 | 27.74 | 32.53 | 40.13 | 38.24 | e | 54.65 | 53.68 | 45.53 | 33.70 | d | 25.31 | a | 20.19 | 35.89 | a | ||||||||
1935 | 21.23 | 22.82 | 24.52 | 33.30 | 33.87 | 43.60 | 50.56 | f | 53.84 | 44.07 | 32.81 | 22.73 | 19.61 | 32.04 | a | |||||||||||
1936 | 16.55 | 22.54 | a | 23.87 | 31.62 | a | 36.52 | 48.20 | 52.90 | 52.06 | 46.67 | 34.12 | e | 23.14 | b | 20.97 | 34.10 | |||||||||
1937 | 5.45 | 20.64 | 26.94 | 28.07 | 35.74 | 41.61 | g | 52.23 | 54.45 | 50.47 | 35.90 | a | 27.54 | b | 24.65 | 32.91 | a | |||||||||
1938 | 19.55 | 24.57 | 28.10 | 28.57 | 35.29 | 43.27 | 52.10 | 52.87 | h | 46.67 | 32.13 | h | ----- | z | ----- | z | 34.76 | d | ||||||||
1939 | 15.96 | f | 5.36 | 25.19 | 31.93 | 35.71 | 43.07 | 55.03 | 53.47 | a | 46.37 | c | 31.65 | 26.00 | 18.45 | b | 33.84 | a | ||||||||
1940 | 17.58 | 23.55 | 23.29 | 29.33 | 35.61 | 46.13 | 51.08 | g | 51.84 | 47.63 | 35.18 | c | 22.20 | 24.87 | 32.47 | a | ||||||||||
1941 | 22.77 | 26.61 | 26.65 | 28.70 | 36.84 | 39.10 | 48.32 | 48.55 | 42.90 | 33.32 | 24.10 | a | 20.06 | 33.16 | ||||||||||||
1942 | 12.29 | 13.68 | 20.55 | 28.13 | 31.19 | 40.83 | 53.68 | 52.13 | 45.23 | 37.55 | 28.90 | 23.50 | a | 32.31 | ||||||||||||
1943 | 21.42 | 23.82 | 27.45 | 30.07 | 37.48 | 46.27 | 53.81 | 54.23 | 46.57 | 34.77 | 20.43 | 20.97 | 34.77 | |||||||||||||
1944 | 9.72 | b | 22.10 | 23.81 | 27.10 | 33.35 | 39.30 | 50.58 | 51.65 | 44.73 | ----- | z | 26.00 | a | 17.79 | g | 32.83 | b | ||||||||
1945 | 13.86 | c | 21.18 | k | 21.97 | ----- | z | ----- | z | 36.17 | 53.81 | 54.23 | 42.60 | 37.60 | k | ----- | z | ----- | z | 37.10 | f | |||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 25.38 | a | 21.35 | 23.37 | j | |
1947 | 14.90 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.81 | 52.39 | 47.17 | 35.68 | 18.62 | a | 15.94 | 33.93 | e | ||||||
1948 | 15.45 | 15.41 | 17.94 | 31.83 | a | 34.94 | 43.97 | a | 50.29 | 51.58 | 45.47 | 34.90 | 17.60 | 22.74 | 31.84 | |||||||||||
1949 | 8.81 | 14.64 | 23.10 | 29.10 | 35.45 | 45.50 | 53.52 | 48.52 | 48.23 | 33.35 | 23.57 | 12.70 | a | 31.37 | ||||||||||||
1950 | 23.10 | k | 23.82 | 22.55 | 25.48 | a | 32.39 | 40.73 | 55.29 | 47.13 | 42.87 | 38.29 | 24.23 | 20.39 | 33.92 | a | ||||||||||
1951 | 16.63 | l | 22.78 | a | 24.19 | 29.83 | 36.03 | a | 37.33 | 53.94 | 51.71 | 41.63 | 32.94 | 22.83 | 16.12 | g | 35.32 | b | ||||||||
1952 | 19.86 | x | ----- | z | ----- | z | 30.07 | 35.61 | m | 42.87 | 49.32 | 52.23 | 44.37 | 30.06 | 17.40 | 12.55 | b | 34.86 | d | |||||||
1953 | ----- | z | 16.15 | b | 23.29 | 30.63 | 32.41 | b | 42.42 | d | 56.65 | e | ----- | z | 40.63 | 31.13 | 21.07 | c | ----- | z | 32.71 | c | ||||
1954 | ----- | z | ----- | z | ----- | z | 30.72 | l | 37.87 | 45.89 | k | 55.35 | 51.58 | 47.61 | g | 34.61 | 22.10 | 15.10 | 36.10 | f | ||||||
1955 | 10.28 | f | 14.48 | a | 23.27 | a | 23.59 | a | 32.97 | a | 41.63 | 50.06 | 52.23 | 42.17 | 33.90 | 21.27 | d | 22.70 | a | 32.57 | a | |||||
1956 | 22.26 | 11.55 | 18.08 | g | 23.37 | k | 31.65 | 44.18 | h | 51.42 | 47.06 | 44.50 | d | 28.83 | g | 11.32 | h | 11.81 | 31.46 | e | ||||||
1957 | 25.10 | 26.89 | 25.90 | 26.07 | 31.38 | j | 46.35 | g | 53.48 | j | 52.88 | f | 43.55 | h | 37.82 | i | 17.50 | p | 17.59 | n | 25.99 | h | ||||
1958 | 15.04 | f | 23.68 | 23.13 | 28.89 | b | 37.31 | b | 45.79 | a | 52.35 | 55.42 | 47.53 | 34.79 | b | 19.84 | e | 15.90 | b | 34.97 | a | |||||
1959 | 17.19 | d | 17.16 | i | 20.81 | d | 29.67 | 31.31 | b | 45.23 | 53.97 | 53.83 | b | 45.33 | 30.45 | i | 20.93 | b | 19.66 | b | 33.79 | b | ||||
1960 | 9.03 | 17.79 | e | 28.35 | 27.96 | b | 33.39 | 42.57 | 51.66 | b | 53.13 | 43.31 | a | 31.90 | a | 23.65 | d | 13.29 | c | 31.34 | ||||||
1961 | 13.29 | 18.43 | 22.32 | 27.00 | c | 32.19 | 44.57 | b | 52.18 | c | 51.07 | a | 43.28 | a | 31.45 | 24.44 | e | ----- | z | 32.75 | a | |||||
1962 | 12.42 | 20.92 | c | 19.42 | 28.90 | 31.77 | 39.87 | 52.71 | 50.19 | 46.97 | 33.61 | 26.83 | 21.57 | j | 33.06 | a | ||||||||||
1963 | 14.00 | 24.32 | 22.61 | 25.73 | 35.87 | 41.57 | 54.90 | 53.94 | 47.90 | 37.61 | 28.07 | 13.68 | 33.35 | |||||||||||||
1964 | 10.42 | 12.69 | 20.61 | 26.40 | 33.30 | a | 39.40 | 53.55 | 52.32 | 45.27 | 34.13 | 18.87 | 20.06 | 30.58 | ||||||||||||
1965 | 18.35 | 11.11 | 20.06 | 26.73 | 29.81 | 35.73 | 49.65 | 47.41 | b | 38.63 | 26.19 | 27.07 | 21.97 | 29.39 | ||||||||||||
1966 | 12.81 | 15.74 | a | 22.24 | b | 29.53 | 36.03 | 42.13 | 53.65 | 53.31 | b | 46.27 | 31.87 | 24.17 | 13.19 | 31.75 | ||||||||||
1967 | 10.16 | 18.46 | 25.90 | a | 26.50 | 30.97 | 40.73 | 53.65 | 50.48 | 44.93 | 30.48 | b | 25.87 | 13.30 | d | 30.95 | ||||||||||
1968 | 9.61 | 23.66 | 25.71 | 27.70 | 32.13 | 39.48 | a | 50.42 | 46.66 | b | 42.57 | 33.58 | 24.13 | 8.87 | 30.38 | |||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 14.87 | 19.93 | 24.16 | 29.28 | 35.15 | 42.83 | 53.25 | 51.70 | 45.17 | 33.88 | 23.57 | 17.33 | 32.72 | |||||||||||||
S.D. | 5.20 | 5.25 | 2.94 | 2.58 | 2.65 | 3.17 | 2.05 | 2.17 | 2.37 | 2.46 | 2.99 | 5.02 | 1.49 | |||||||||||||
SKEW | 0.06 | -0.63 | 0.31 | 0.33 | 0.00 | -0.09 | -0.41 | -0.74 | -0.22 | -0.44 | -0.50 | -0.44 | -0.35 | |||||||||||||
MAX | 25.10 | 28.72 | 31.61 | 36.03 | 40.52 | 51.03 | 56.65 | 55.42 | 50.47 | 38.30 | 28.90 | 26.10 | 35.15 | |||||||||||||
MIN | 5.16 | 5.36 | 17.94 | 23.59 | 29.81 | 35.73 | 48.32 | 46.66 | 38.63 | 26.19 | 15.67 | 3.55 | 29.39 | |||||||||||||
YRS | 41 | 46 | 46 | 47 | 46 | 46 | 48 | 48 | 48 | 46 | 49 | 45 | 27 |