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 | ----- | 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 | 20.37 | 16.90 | 18.63 | j | ||
1917 | 9.84 | 22.64 | 24.55 | 36.53 | 42.68 | 47.13 | 59.16 | 56.19 | 47.33 | 33.81 | 26.73 | 33.77 | 36.70 | |||||||||||||
1918 | 27.65 | 24.96 | 32.06 | 32.57 | 40.87 | 55.43 | 56.10 | 51.97 | 50.40 | 39.55 | 27.37 | 18.68 | 38.13 | |||||||||||||
1919 | 18.77 | 29.04 | 32.23 | 38.43 | 43.58 | 46.07 | o | 57.16 | 56.32 | 46.63 | 32.84 | 26.13 | 11.47 | a | 35.69 | a | ||||||||||
1920 | 17.45 | 26.07 | 31.03 | 35.43 | 41.06 | 49.63 | 59.35 | 55.62 | e | 46.40 | 35.94 | 30.10 | 28.03 | 38.01 | ||||||||||||
1921 | 26.06 | 26.04 | 32.61 | 36.20 | 45.68 | 53.97 | 57.84 | 56.45 | 40.90 | 35.67 | a | 30.97 | 23.42 | 38.82 | ||||||||||||
1922 | 8.03 | 21.57 | 27.48 | 33.53 | 40.73 | a | 52.30 | 59.19 | 58.32 | 47.20 | 37.68 | 25.07 | 21.53 | a | 36.05 | |||||||||||
1923 | 26.61 | 17.68 | 25.65 | 35.27 | 45.97 | 50.27 | 58.32 | 57.23 | 48.00 | 36.84 | 24.87 | 19.61 | 37.19 | |||||||||||||
1924 | 11.03 | 29.76 | 28.03 | 34.73 | 47.84 | 51.50 | 56.87 | 54.74 | 43.90 | 38.71 | 26.80 | 10.80 | a | 36.23 | ||||||||||||
1925 | 16.43 | a | 30.00 | 31.06 | 39.30 | 45.55 | 48.83 | 59.26 | 51.26 | 45.62 | a | 35.18 | i | 29.17 | l | 28.03 | 39.53 | b | ||||||||
1926 | 22.52 | 31.07 | 28.35 | 40.37 | 44.26 | 54.85 | d | 60.00 | b | 54.81 | j | 40.50 | 36.03 | 32.61 | b | 22.73 | i | 39.06 | b | |||||||
1927 | 20.79 | b | 31.04 | d | 29.29 | g | 34.31 | d | 41.96 | e | 51.31 | d | 59.81 | 54.61 | 45.31 | a | 34.11 | l | 35.59 | h | 17.26 | h | 42.39 | d | ||
1928 | 21.57 | a | 24.79 | 33.19 | 35.43 | 49.16 | 50.40 | 60.45 | 53.58 | 42.93 | 34.97 | 28.77 | 12.90 | 37.35 | ||||||||||||
1929 | 8.03 | 11.07 | 30.61 | 34.47 | 42.71 | 48.68 | e | 58.26 | 57.77 | 44.27 | 33.35 | 19.17 | 25.74 | 34.51 | ||||||||||||
1930 | 6.52 | 31.04 | 31.71 | 40.80 | 42.61 | 50.40 | 59.78 | d | 58.52 | 47.60 | 32.55 | 19.77 | 12.06 | 36.11 | ||||||||||||
1931 | 18.31 | b | 23.96 | a | 29.94 | 36.40 | 44.23 | 53.87 | 59.00 | f | 55.06 | 45.90 | 35.87 | 21.77 | 15.87 | 34.65 | a | |||||||||
1932 | 15.42 | 17.17 | 31.52 | 38.57 | 44.45 | 52.43 | 57.61 | 53.68 | 44.53 | 35.23 | 29.70 | 12.29 | 36.05 | |||||||||||||
1933 | 19.94 | 7.86 | 28.06 | 33.93 | 39.16 | 54.80 | 59.48 | 53.52 | 45.30 | 34.90 | 25.23 | 30.65 | 36.07 | |||||||||||||
1934 | 27.61 | 28.18 | 33.29 | 40.43 | 47.23 | 52.40 | 59.35 | 56.74 | 42.23 | 36.06 | 33.27 | 24.13 | 40.08 | |||||||||||||
1935 | 20.19 | 22.43 | 26.90 | 35.63 | 42.03 | 50.40 | 56.52 | 53.65 | 46.20 | 35.42 | 23.67 | 20.28 | b | 36.11 | ||||||||||||
1936 | 23.13 | 18.82 | a | 28.94 | 39.93 | 47.35 | 53.87 | 61.03 | 58.15 | e | 41.47 | 36.32 | 15.97 | 20.94 | 37.16 | |||||||||||
1937 | 1.00 | 20.57 | 31.70 | a | 36.43 | 43.84 | 50.90 | 61.26 | 53.55 | 46.27 | 36.61 | 33.67 | 27.77 | 36.96 | ||||||||||||
1938 | 24.23 | a | 29.57 | 31.81 | 37.21 | a | 42.60 | a | 51.11 | b | 58.90 | b | 54.17 | a | 49.60 | 37.97 | a | 23.60 | 22.97 | b | 38.64 | |||||
1939 | 25.03 | 23.07 | 30.55 | 36.17 | a | 46.27 | a | 47.19 | d | 57.81 | 55.23 | 44.33 | 37.55 | 21.90 | 28.06 | 37.76 | ||||||||||
1940 | 24.67 | a | 31.04 | a | 32.97 | 38.90 | 44.55 | 52.53 | 58.00 | 54.68 | 49.37 | 38.90 | b | 25.07 | 23.72 | b | 39.53 | |||||||||
1941 | 23.65 | 29.04 | 30.42 | 35.30 | 45.37 | a | 50.73 | 57.32 | 56.26 | 44.37 | 37.97 | a | 30.14 | a | 29.52 | 39.17 | ||||||||||
1942 | 14.83 | b | 24.23 | b | 27.10 | 39.23 | 42.70 | a | 46.38 | a | 57.48 | b | 54.87 | 45.15 | d | 37.59 | b | 29.93 | a | 28.57 | a | 37.34 | ||||
1943 | 20.38 | b | 23.35 | b | 28.28 | b | 41.13 | 41.03 | 48.10 | 54.19 | 54.57 | a | 45.34 | a | 40.30 | a | 27.14 | a | 21.41 | b | 37.10 | |||||
1944 | 10.58 | 27.72 | 25.71 | 37.81 | c | 43.39 | 47.63 | 54.61 | 51.26 | 44.13 | 35.90 | 28.83 | a | 21.87 | 35.79 | |||||||||||
1945 | 24.03 | 28.36 | 29.47 | a | 34.37 | 44.10 | 46.00 | 57.13 | 51.45 | 41.53 | 36.26 | 30.07 | 22.30 | a | 37.09 | |||||||||||
1946 | 21.32 | 26.18 | 32.32 | 36.83 | 42.84 | 50.07 | 58.16 | 54.32 | 41.53 | 31.77 | 30.07 | 26.68 | 37.67 | |||||||||||||
1947 | 12.71 | 26.32 | 31.87 | 37.07 | 48.81 | 50.07 | 56.94 | 52.19 | 42.93 | 39.74 | 29.97 | 24.84 | 37.79 | |||||||||||||
1948 | 21.65 | 26.21 | 29.35 | 36.30 | 42.94 | 54.67 | 54.68 | 50.68 | f | 44.33 | f | 34.81 | 28.23 | 20.12 | g | 36.54 | c | |||||||||
1949 | 1.20 | p | 22.79 | 32.16 | 36.67 | 48.29 | 49.50 | 54.84 | 55.45 | b | 47.13 | 32.26 | 28.63 | ----- | z | 40.77 | b | |||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | 39.78 | h | 48.37 | 56.55 | 52.19 | 45.23 | 37.42 | 28.67 | 31.55 | 42.85 | e | |||||||
1951 | 22.29 | 24.86 | 24.55 | 34.47 | 44.23 | 47.77 | 55.77 | 51.45 | 41.77 | 34.87 | 24.57 | 22.03 | 35.72 | |||||||||||||
1952 | 19.94 | 21.45 | 28.52 | 36.17 | 42.48 | 50.37 | 53.68 | 53.20 | a | 42.17 | l | 33.32 | 18.97 | 26.74 | 34.98 | a | ||||||||||
1953 | 31.74 | 25.57 | 28.06 | 35.40 | 41.00 | 47.87 | 57.00 | 54.61 | 46.30 | 35.71 | 32.40 | 24.84 | 38.38 | |||||||||||||
1954 | 27.48 | 28.29 | 26.68 | 35.60 | 43.55 | 47.30 | 56.58 | 53.39 | m | 43.57 | 32.39 | 29.07 | 19.87 | a | 35.49 | a | ||||||||||
1955 | 18.06 | 20.04 | 24.03 | 35.27 | 40.84 | 51.63 | 55.23 | 54.84 | 42.87 | g | 37.10 | 25.48 | e | 28.42 | 35.54 | a | ||||||||||
1956 | 25.94 | 20.03 | 31.84 | 38.47 | 49.13 | 50.97 | 59.61 | 54.10 | 44.03 | 37.90 | 25.20 | 24.35 | 38.46 | |||||||||||||
1957 | 11.33 | a | 21.82 | 34.29 | 39.77 | 49.00 | 52.63 | 55.81 | 52.81 | 45.57 | 38.00 | 24.73 | 28.65 | 37.87 | ||||||||||||
1958 | 23.42 | 33.11 | 29.39 | 37.33 | 48.94 | 54.67 | 57.87 | 57.52 | 46.13 | 34.58 | 27.07 | 28.26 | 39.86 | |||||||||||||
1959 | 27.94 | 28.29 | 28.77 | 36.83 | a | 42.06 | 53.97 | a | 56.71 | 54.10 | 47.80 | 38.35 | 21.63 | 17.57 | a | 37.83 | ||||||||||
1960 | 16.58 | 26.69 | 31.00 | 37.97 | 42.55 | 52.50 | 60.61 | 51.42 | 47.53 | 35.00 | 30.50 | 20.35 | 37.73 | |||||||||||||
1961 | 21.48 | 32.32 | 34.16 | 37.63 | 44.52 | 55.07 | 58.32 | 57.90 | 42.60 | 35.52 | 25.27 | 23.71 | 39.04 | |||||||||||||
1962 | 13.61 | 25.71 | 29.35 | 38.00 | 45.77 | 50.87 | 54.58 | 52.77 | 44.57 | 37.58 | 30.31 | a | 27.42 | 37.55 | ||||||||||||
1963 | 16.00 | 30.82 | 31.55 | 35.43 | 46.90 | 50.72 | a | 53.97 | 54.16 | 49.43 | 40.68 | 32.27 | 22.39 | 38.69 | ||||||||||||
1964 | 19.84 | 18.52 | 28.16 | 34.10 | 40.87 | 49.07 | 56.19 | 52.19 | 42.30 | 34.42 | 29.63 | 26.06 | 35.95 | |||||||||||||
1965 | 25.67 | a | 25.82 | 23.00 | 40.37 | 43.03 | 52.13 | 55.52 | 53.55 | 41.20 | 34.06 | 31.57 | 20.84 | 37.23 | ||||||||||||
1966 | 25.71 | 24.79 | 29.71 | 35.17 | 44.42 | 49.27 | 55.29 | 53.71 | 49.20 | 31.90 | 32.27 | 25.55 | 38.08 | |||||||||||||
1967 | 27.19 | 25.71 | 30.71 | 33.83 | 42.06 | 51.57 | 60.26 | 56.52 | 50.13 | 35.23 | 29.77 | 19.74 | 38.56 | |||||||||||||
1968 | 20.77 | 29.21 | 32.42 | 33.83 | 43.58 | 52.00 | 56.77 | 54.23 | 45.13 | 34.71 | 31.93 | 26.52 | 38.43 | |||||||||||||
1969 | 24.52 | 26.71 | 26.23 | 37.70 | 47.03 | 52.83 | 55.52 | 52.90 | 45.93 | 32.84 | 24.30 | 25.35 | 37.66 | |||||||||||||
1970 | 27.71 | 26.68 | 30.58 | 32.63 | 42.52 | 54.23 | 56.87 | 53.81 | 40.53 | 33.10 | 30.77 | 23.84 | 37.77 | |||||||||||||
1971 | 26.48 | 27.32 | 28.45 | 35.83 | 46.52 | 49.60 | 57.81 | 57.45 | 40.80 | 34.52 | 27.83 | 23.77 | 38.03 | |||||||||||||
1972 | 19.58 | 22.93 | 31.52 | 35.13 | 44.81 | 52.57 | 55.74 | 55.52 | 41.77 | 40.37 | l | ----- | z | ----- | z | 39.95 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 20.06 | 25.10 | 29.70 | 36.59 | 44.21 | 51.01 | 57.44 | 54.57 | 45.02 | 35.82 | 27.22 | 23.13 | 37.55 | |||||||||||||
S.D. | 6.50 | 4.92 | 2.68 | 2.16 | 2.54 | 2.44 | 1.94 | 1.99 | 2.68 | 2.23 | 4.08 | 5.29 | 1.20 | |||||||||||||
SKEW | -0.78 | -1.14 | -0.54 | 0.33 | 0.39 | -0.07 | 0.03 | 0.22 | 0.10 | 0.14 | -0.66 | -0.59 | -0.15 | |||||||||||||
MAX | 31.74 | 33.11 | 34.29 | 41.13 | 49.16 | 55.43 | 61.26 | 58.52 | 50.40 | 40.68 | 33.67 | 33.77 | 40.08 | |||||||||||||
MIN | 1.00 | 7.86 | 23.00 | 32.57 | 39.16 | 46.00 | 53.68 | 51.26 | 40.50 | 31.77 | 15.97 | 10.80 | 34.51 | |||||||||||||
YRS | 54 | 55 | 54 | 55 | 55 | 55 | 55 | 53 | 53 | 53 | 54 | 52 | 44 |