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 | 34.25 | 27.12 | a | 30.68 | j | |
1917 | 26.44 | v | 31.36 | 35.16 | 48.95 | 56.58 | 64.28 | a | 77.89 | 75.15 | 65.35 | 51.93 | a | 40.57 | 42.08 | 53.57 | a | |||||||||
1918 | 34.84 | 35.41 | 45.10 | 49.36 | a | 56.89 | 72.87 | 74.08 | a | 68.89 | 65.70 | 53.13 | 38.75 | 27.05 | a | 51.84 | ||||||||||
1919 | 30.48 | 36.54 | 44.23 | 53.72 | 60.18 | 63.33 | o | 76.23 | 74.74 | b | 62.58 | 45.79 | 36.25 | 20.80 | a | 49.23 | a | |||||||||
1920 | 25.82 | 36.09 | 42.69 | 48.57 | 56.61 | 65.50 | 76.31 | 73.77 | e | 62.08 | 49.00 | 39.52 | 34.74 | 50.89 | ||||||||||||
1921 | 33.27 | 33.95 | 45.19 | 49.52 | 59.34 | 68.97 | 75.47 | 74.05 | 57.50 | 52.63 | a | 45.98 | 34.02 | 52.49 | ||||||||||||
1922 | 19.02 | 31.21 | 39.82 | 48.48 | 57.08 | a | 70.45 | 77.16 | 76.24 | 67.12 | 55.84 | 37.60 | 31.58 | a | 50.97 | |||||||||||
1923 | 36.87 | a | 29.96 | 41.84 | 51.63 | 61.68 | 65.93 | 77.52 | 75.32 | 67.58 | 51.98 | 41.07 | 30.52 | 52.66 | ||||||||||||
1924 | 21.03 | 40.43 | 40.90 | 50.83 | 65.53 | 68.32 | 74.90 | 71.40 | 61.83 | 52.50 | 39.15 | 21.66 | b | 50.71 | ||||||||||||
1925 | 25.69 | b | 39.75 | 45.23 | 53.95 | a | 60.89 | 65.83 | 77.98 | 70.84 | 63.12 | b | 51.70 | p | 38.54 | q | 33.37 | 53.67 | b | |||||||
1926 | 29.44 | 41.20 | 45.26 | 56.63 | 60.71 | 74.67 | i | 78.32 | i | 73.82 | q | 57.57 | 53.10 | 43.97 | k | 31.60 | k | 49.13 | e | |||||||
1927 | 26.76 | j | 39.86 | g | 42.41 | i | 48.82 | e | 56.33 | e | 68.50 | e | 76.89 | 71.95 | 60.50 | b | 52.03 | n | 44.47 | m | 26.50 | p | 63.83 | f | ||
1928 | 27.70 | a | 32.95 | 45.35 | 48.90 | 66.00 | 66.25 | 77.63 | 72.29 | 63.12 | 51.39 | 39.40 | 24.45 | 51.29 | ||||||||||||
1929 | 19.21 | 22.62 | 42.95 | 47.42 | 59.11 | 63.62 | f | 77.06 | 77.21 | 59.70 | 51.74 | 35.22 | 36.03 | a | 48.03 | a | ||||||||||
1930 | 15.77 | 39.11 | 44.97 | 55.75 | 57.42 | 66.45 | 77.15 | e | 75.19 | 63.02 | 48.88 | a | 34.05 | 22.40 | 50.01 | |||||||||||
1931 | 27.17 | b | 34.04 | a | 43.68 | 51.65 | 62.13 | 70.08 | 77.52 | f | 74.77 | 63.20 | 52.27 | 34.88 | 24.74 | 48.97 | a | |||||||||
1932 | 25.03 | 28.09 | 41.89 | 52.45 | 58.63 | 68.72 | 74.63 | 72.03 | 63.90 | 50.47 | 40.22 | 23.35 | 49.95 | |||||||||||||
1933 | 28.97 | 19.89 | 40.63 | 49.75 | 54.15 | 71.05 | 77.77 | 72.31 | 61.70 | 54.08 | 39.28 | 38.98 | 50.71 | |||||||||||||
1934 | 37.03 | 40.98 | 49.32 | 57.90 | 65.23 | 67.92 | 77.19 | 75.53 | 60.83 | 52.00 | 43.78 | 31.71 | 54.95 | |||||||||||||
1935 | 28.79 | 32.48 | 40.08 | a | 49.13 | 58.52 | 67.79 | a | 74.95 | 73.08 | 66.17 | 52.02 | 33.37 | 26.16 | b | 50.21 | ||||||||||
1936 | 30.45 | 28.61 | a | 41.26 | 54.72 | 63.85 | a | 69.75 | 78.84 | 76.40 | e | 61.07 | 54.18 | 32.23 | 30.98 | 51.86 | ||||||||||
1937 | 11.56 | 29.96 | 43.05 | a | 48.60 | 59.40 | 64.63 | 78.44 | 71.26 | 63.92 | 52.19 | 42.85 | 36.10 | 50.16 | ||||||||||||
1938 | 32.48 | b | 38.77 | 41.90 | 50.69 | a | 56.60 | a | 67.11 | c | 74.45 | b | 71.16 | b | 66.33 | a | 51.80 | a | 35.33 | 31.83 | b | 51.54 | ||||
1939 | 33.31 | 32.64 | 45.00 | 53.24 | a | 62.52 | a | 63.19 | d | 75.18 | 74.21 | 61.80 | 51.40 | 36.68 | 36.90 | 52.17 | ||||||||||
1940 | 31.81 | b | 39.27 | c | 45.82 | 52.08 | 62.47 | 71.82 | 76.06 | 74.61 | 62.55 | a | 52.52 | b | 34.95 | 33.52 | c | 53.12 | ||||||||
1941 | 31.29 | 38.96 | 45.98 | 50.59 | a | 60.32 | a | 66.12 | 76.85 | 72.85 | 60.37 | 51.41 | b | 41.93 | a | 37.12 | a | 52.82 | ||||||||
1942 | 21.56 | d | 33.96 | b | 41.24 | 54.15 | 56.87 | a | 63.53 | a | 77.73 | c | 74.83 | b | 65.00 | e | 54.63 | d | 39.74 | a | 35.54 | c | 51.56 | |||
1943 | 28.69 | b | 34.27 | b | 40.88 | b | 55.97 | 56.37 | 64.00 | a | 74.22 | b | 73.03 | a | 66.43 | a | 53.91 | b | 39.25 | b | 31.77 | c | 51.57 | |||
1944 | 21.63 | 36.45 | 40.40 | a | 50.76 | c | 60.82 | a | 63.28 | 72.79 | 71.85 | 62.67 | 52.71 | 35.96 | b | 27.40 | 49.73 | |||||||||
1945 | 29.48 | 35.93 | 39.09 | b | 46.62 | 58.26 | 62.73 | 76.98 | 72.76 | 60.23 | 53.34 | 40.08 | 30.57 | b | 50.51 | |||||||||||
1946 | 30.37 | a | 35.04 | 45.40 | 53.45 | 60.11 | 67.32 | 77.27 | 74.45 | 60.65 | 47.32 | 38.80 | 36.21 | 52.20 | ||||||||||||
1947 | 24.00 | 38.36 | 46.50 | a | 52.05 | a | 66.08 | 64.48 | 76.85 | 72.24 | 63.12 | 54.77 | 38.88 | 33.06 | 52.53 | |||||||||||
1948 | 33.11 | 36.71 | 40.76 | 50.12 | 57.97 | 70.63 | 72.95 | 70.58 | f | 62.35 | f | 51.90 | 38.68 | 28.81 | g | 50.31 | c | |||||||||
1949 | 10.63 | p | 34.29 | 45.55 | a | 55.03 | 63.84 | 67.82 | 74.81 | 74.40 | b | 66.05 | 47.31 | 40.67 | ----- | z | 56.98 | b | ||||||||
1950 | ----- | z | ----- | z | ----- | z | ----- | z | 58.72 | h | 64.95 | 73.89 | 71.61 | 62.47 | 54.18 | 41.03 | 37.66 | 57.97 | e | |||||||
1951 | 31.11 | 35.27 | 38.89 | 52.20 | 59.21 | 64.07 | 74.37 | 69.89 | 61.43 | 48.37 | 36.23 | 29.66 | 50.06 | |||||||||||||
1952 | 26.82 | 30.16 | 39.26 | 53.25 | 58.66 | 64.98 | 72.31 | 71.68 | a | 63.61 | l | 52.40 | 33.43 | 33.47 | 48.77 | a | ||||||||||
1953 | 40.87 | 37.61 | 43.19 | 49.42 | 54.58 | 61.23 | 74.21 | 70.50 | 63.97 | 51.39 | 43.42 | 32.66 | 51.92 | |||||||||||||
1954 | 36.56 | 39.34 | 40.85 | 51.77 | 60.47 | 61.67 | 73.98 | 69.67 | m | 60.23 | 48.50 | 41.35 | 29.53 | a | 49.48 | a | ||||||||||
1955 | 24.81 | 29.64 | 37.55 | 47.30 | 55.68 | a | 66.90 | 70.65 | 72.47 | a | 58.70 | g | 52.10 | 34.92 | e | 36.58 | 48.05 | a | ||||||||
1956 | 33.45 | 29.95 | 45.71 | 54.57 | 63.47 | 67.35 | 76.77 | 71.37 | 63.45 | 50.68 | 36.03 | 31.82 | 52.05 | |||||||||||||
1957 | 20.23 | a | 32.09 | 45.71 | 52.98 | 61.89 | 68.78 | 73.66 | 70.84 | 64.82 | 51.02 | 37.73 | 35.71 | 51.29 | ||||||||||||
1958 | 31.48 | 42.50 | 42.60 | 50.63 | 66.00 | 68.93 | 75.31 | 75.37 | 63.17 | 53.18 | 39.43 | 36.44 | 53.75 | |||||||||||||
1959 | 36.58 | 39.12 | 43.63 | 53.90 | a | 56.77 | 70.83 | a | 75.90 | 71.29 | 61.87 | 52.82 | 36.93 | 28.87 | a | 52.38 | ||||||||||
1960 | 25.02 | 35.78 | 44.31 | 52.95 | 57.66 | 70.70 | 79.05 | 69.44 | 66.08 | 51.26 | 41.23 | 29.74 | 51.93 | |||||||||||||
1961 | 30.18 | 41.96 | 46.65 | 52.65 | 61.26 | 73.88 | 77.23 | 76.53 | 59.57 | 50.24 | 37.87 | 32.18 | 53.35 | |||||||||||||
1962 | 22.45 | 32.96 | 42.71 | 56.02 | 59.42 | 68.23 | 73.16 | 71.47 | 63.85 | 52.13 | 41.79 | a | 34.77 | 51.58 | ||||||||||||
1963 | 25.76 | 42.79 | 45.87 | 49.32 | 62.50 | 66.12 | a | 72.03 | 72.79 | 66.88 | 55.40 | 41.93 | 29.32 | a | 52.56 | |||||||||||
1964 | 28.19 | 30.17 | 40.76 | 50.10 | 58.13 | 64.88 | 75.18 | 70.47 | 60.82 | 52.79 | 40.48 | 35.74 | 50.64 | |||||||||||||
1965 | 32.83 | a | 38.77 | 40.97 | 54.82 | 58.89 | 68.52 | 73.84 | 70.92 | 58.47 | 53.50 | 43.80 | 31.03 | 52.20 | ||||||||||||
1966 | 35.89 | 37.18 | 45.21 | 52.67 | 62.85 | 66.20 | 73.94 | 72.18 | 67.07 | 49.84 | 43.27 | 33.31 | 53.30 | |||||||||||||
1967 | 36.84 | 39.64 | 44.58 | 46.93 | 59.69 | 67.63 | 77.92 | 76.15 | 68.13 | 51.31 | 41.73 | 30.02 | 53.38 | |||||||||||||
1968 | 30.94 | 41.41 | 47.92 | 50.35 | 60.03 | 69.17 | 76.11 | 69.31 | 62.70 | 50.98 | 41.05 | 34.87 | 52.90 | |||||||||||||
1969 | 32.13 | 35.12 | 42.56 | 54.32 | 64.11 | 68.43 | 73.98 | 72.44 | 63.98 | 48.48 | 38.92 | 34.45 | 52.41 | |||||||||||||
1970 | 36.47 | 41.00 | 44.29 | 47.38 | 60.05 | 70.70 | 75.44 | 74.69 | 59.32 | 48.98 | 42.20 | 32.29 | 52.73 | |||||||||||||
1971 | 34.50 | 39.62 | 41.98 | 52.30 | 62.95 | 65.67 | 75.94 | 77.06 | 59.95 | 51.11 | 39.63 | 31.74 | 52.71 | |||||||||||||
1972 | 29.47 | 34.59 | 46.79 | 51.07 | 62.87 | 69.68 | 74.10 | 74.48 | 59.80 | 57.45 | l | ----- | z | ----- | z | 55.87 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.01 | 35.30 | 43.13 | 51.61 | 60.10 | 67.26 | 75.61 | 73.05 | 62.84 | 51.68 | 38.94 | 31.80 | 51.85 | |||||||||||||
S.D. | 6.01 | 4.83 | 2.78 | 2.71 | 3.04 | 2.84 | 1.89 | 2.13 | 2.65 | 2.10 | 3.12 | 4.56 | 1.18 | |||||||||||||
SKEW | -0.61 | -0.81 | -0.35 | 0.15 | 0.23 | 0.03 | -0.31 | 0.12 | 0.08 | -0.59 | -0.16 | -0.50 | 0.12 | |||||||||||||
MAX | 40.87 | 42.79 | 49.32 | 57.90 | 66.08 | 73.88 | 79.05 | 77.21 | 68.13 | 55.84 | 45.98 | 42.08 | 54.95 | |||||||||||||
MIN | 11.56 | 19.89 | 35.16 | 46.62 | 54.15 | 61.23 | 70.65 | 68.89 | 57.50 | 45.79 | 32.23 | 20.80 | 49.73 | |||||||||||||
YRS | 52 | 54 | 54 | 55 | 55 | 53 | 54 | 53 | 53 | 53 | 53 | 52 | 42 |