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 | ----- | 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 | 60.33 | j | 50.56 | d | 46.56 | 35.86 | a | 25.12 | a | 39.53 | h | |
1927 | 22.92 | a | 29.26 | a | 35.68 | 42.45 | 48.47 | 59.48 | b | 64.45 | a | 63.81 | b | 52.92 | 44.05 | a | 33.97 | 18.52 | b | 43.00 | ||||||
1928 | 24.68 | 27.95 | 37.80 | a | 41.82 | 56.40 | a | 57.95 | 66.06 | 61.60 | 57.13 | 43.61 | 32.24 | a | 24.26 | b | 44.29 | |||||||||
1929 | 11.50 | a | 17.57 | 36.95 | 40.48 | 51.02 | f | 56.59 | a | 63.82 | f | 65.80 | a | 53.82 | 45.97 | 28.69 | a | 29.23 | a | 38.66 | b | |||||
1930 | 7.98 | b | 29.92 | c | 35.18 | 48.05 | 49.77 | a | 55.62 | 64.76 | 65.37 | 56.77 | 40.48 | 29.83 | a | 24.47 | 42.35 | |||||||||
1931 | 28.73 | a | 27.57 | 36.02 | a | 44.43 | 54.08 | 57.52 | 65.06 | 64.44 | 53.33 | 43.21 | 27.97 | 24.35 | a | 43.89 | ||||||||||
1932 | 21.40 | 23.62 | 33.02 | 42.98 | 50.69 | b | 59.08 | 61.58 | 62.87 | a | 54.64 | a | 42.21 | 33.83 | 19.97 | 42.16 | ||||||||||
1933 | 24.60 | 19.31 | a | 33.87 | 42.40 | 47.36 | b | 57.67 | 63.66 | 64.53 | 49.48 | a | 43.12 | a | 33.70 | 29.53 | 42.44 | |||||||||
1934 | 29.31 | 31.07 | 38.73 | 51.33 | 54.77 | 57.98 | 64.81 | 64.42 | 52.52 | 46.24 | 38.10 | a | 28.23 | 46.46 | ||||||||||||
1935 | 24.62 | a | 29.71 | 32.23 | 40.30 | 51.95 | c | 57.45 | 64.87 | a | 61.74 | 58.45 | 43.66 | b | 29.47 | 27.90 | 43.53 | |||||||||
1936 | 26.34 | 11.98 | 33.56 | 45.15 | 58.03 | 61.07 | 67.06 | 65.37 | a | 55.33 | 47.21 | b | 28.77 | 28.15 | 44.00 | |||||||||||
1937 | 6.03 | 25.26 | a | 37.33 | a | 42.27 | 53.23 | 59.98 | 66.77 | 60.52 | a | 57.55 | 47.81 | 35.18 | 27.35 | a | 43.27 | |||||||||
1938 | 25.60 | 29.73 | 36.71 | 45.22 | 52.68 | 62.42 | 68.50 | 62.48 | 64.03 | 45.53 | a | 30.20 | 25.29 | 45.70 | ||||||||||||
1939 | 28.85 | 23.32 | 36.00 | 47.58 | 54.73 | 55.00 | 65.31 | 66.45 | 57.15 | 44.18 | 34.32 | 30.95 | 45.32 | |||||||||||||
1940 | 23.56 | 30.62 | 39.21 | 46.17 | 55.08 | 62.20 | 66.61 | 65.32 | 61.83 | 47.42 | 28.37 | 27.42 | a | 46.15 | ||||||||||||
1941 | 26.53 | 31.66 | 40.68 | 48.88 | 52.47 | 59.67 | 67.31 | 63.38 | b | 52.65 | 45.98 | 38.50 | 31.05 | 46.56 | ||||||||||||
1942 | 26.10 | 31.09 | 37.84 | 48.57 | 52.10 | 57.68 | 67.69 | 67.39 | 59.72 | 48.13 | 32.32 | 28.66 | 46.44 | |||||||||||||
1943 | 17.82 | 32.43 | 31.98 | 47.43 | 49.97 | a | 57.12 | 65.84 | c | 64.06 | 59.83 | 48.29 | 36.07 | 26.13 | 44.75 | |||||||||||
1944 | 26.37 | 29.75 | a | 34.95 | 47.77 | 55.47 | a | 61.38 | 67.18 | 65.26 | 60.25 | 52.15 | 35.45 | 25.35 | 46.78 | |||||||||||
1945 | 28.89 | 31.73 | 36.55 | 42.12 | 55.21 | 59.00 | 67.92 | 66.84 | 54.46 | f | 48.68 | 33.03 | 27.76 | 45.25 | a | |||||||||||
1946 | 28.11 | 30.64 | 39.10 | 46.70 | 55.83 | h | 58.07 | c | 66.29 | 64.71 | 55.82 | 41.45 | 31.25 | 27.74 | 44.54 | a | ||||||||||
1947 | 21.94 | 31.54 | 40.00 | 46.53 | 56.50 | 58.14 | a | 65.79 | 63.00 | 57.08 | 47.18 | 32.38 | 29.92 | a | 45.83 | |||||||||||
1948 | 24.55 | 25.89 | a | 33.63 | 42.38 | 53.76 | 64.29 | a | 62.68 | 62.97 | 56.75 | 45.35 | 32.32 | 19.61 | 43.68 | |||||||||||
1949 | 9.03 | 22.21 | 34.45 | 46.30 | 56.02 | 57.40 | 63.13 | 62.23 | 56.28 | 40.74 | 37.33 | 24.85 | 42.50 | |||||||||||||
1950 | 6.26 | 27.02 | 32.68 | 40.70 | 48.68 | 58.52 | 64.66 | 64.84 | 56.42 | 42.02 | 31.25 | 30.03 | 41.92 | |||||||||||||
1951 | 22.84 | 26.50 | 31.53 | 43.78 | 52.69 | 56.45 | 64.58 | 62.18 | 54.83 | 42.47 | 31.15 | 18.85 | 42.32 | |||||||||||||
1952 | 21.52 | 28.88 | c | 34.08 | 46.87 | 54.43 | a | 58.90 | 66.05 | 65.23 | 59.95 | 50.68 | 31.20 | 29.58 | 45.61 | |||||||||||
1953 | 34.08 | 32.20 | 38.00 | 42.95 | a | 52.66 | 56.78 | 65.68 | 65.50 | 57.28 | 48.26 | 37.23 | 31.34 | 46.83 | ||||||||||||
1954 | 24.03 | 33.86 | 35.29 | 41.98 | 54.33 | a | 57.69 | a | 64.69 | 62.94 | 56.67 | 44.29 | 39.98 | 29.11 | 45.41 | |||||||||||
1955 | 28.27 | 26.64 | 29.52 | 40.88 | 50.31 | 61.42 | 65.90 | 64.82 | 61.48 | 48.32 | c | 27.45 | 24.65 | 44.14 | ||||||||||||
1956 | 27.63 | 24.48 | 35.39 | 47.75 | 56.90 | 58.98 | 68.45 | 66.66 | 58.33 | 46.08 | 32.00 | 29.63 | 46.02 | |||||||||||||
1957 | 16.32 | 27.86 | 37.45 | 46.95 | 59.73 | 62.23 | 65.45 | 63.35 | 61.73 | 46.09 | d | 34.60 | a | 32.23 | 46.17 | |||||||||||
1958 | ----- | z | ----- | z | ----- | z | 46.08 | 62.60 | 66.45 | 69.45 | 70.48 | 57.92 | 48.03 | 33.00 | 30.18 | 53.80 | c | |||||||||
1959 | 26.92 | 29.57 | 38.44 | 47.82 | 51.63 | 61.75 | 68.94 | 62.89 | 55.47 | 45.55 | 30.38 | a | 28.26 | 45.63 | ||||||||||||
1960 | 22.55 | a | 31.09 | 37.48 | 45.73 | 51.56 | 61.65 | 72.47 | 63.66 | 58.77 | 48.82 | 34.25 | 28.23 | 46.36 | ||||||||||||
1961 | 29.84 | 35.70 | 40.47 | 45.38 | 55.65 | 67.27 | 71.13 | 72.85 | 56.74 | e | 44.27 | 30.73 | f | 26.08 | 49.58 | a | ||||||||||
1962 | 23.23 | 31.48 | 36.11 | 49.42 | 54.02 | 61.95 | 65.77 | 64.55 | 59.97 | 48.05 | 39.25 | 33.85 | 47.30 | |||||||||||||
1963 | 21.60 | 36.27 | 40.48 | 46.73 | 54.94 | 62.45 | 66.29 | 68.16 | 64.25 | 50.97 | 36.28 | 28.02 | 48.04 | |||||||||||||
1964 | 30.56 | 31.57 | 35.81 | 44.43 | 54.10 | 62.07 | 67.90 | 62.61 | 55.15 | 47.94 | 35.35 | 24.18 | 45.97 | |||||||||||||
1965 | 30.18 | 31.57 | 34.85 | 48.03 | 53.34 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.60 | g | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.19 | 28.38 | 36.03 | 45.20 | 53.68 | 59.67 | 66.24 | 64.61 | 57.08 | 45.92 | 33.22 | 27.08 | 44.87 | |||||||||||||
S.D. | 6.92 | 4.87 | 2.69 | 2.83 | 3.09 | 2.82 | 2.19 | 2.40 | 3.36 | 2.82 | 3.28 | 3.58 | 1.72 | |||||||||||||
SKEW | -1.22 | -1.32 | -0.20 | -0.09 | 0.38 | 0.78 | 0.61 | 1.31 | 0.02 | -0.02 | 0.17 | -0.75 | -0.23 | |||||||||||||
MAX | 34.08 | 36.27 | 40.68 | 51.33 | 62.60 | 67.27 | 72.47 | 72.85 | 64.25 | 52.15 | 39.98 | 33.85 | 48.04 | |||||||||||||
MIN | 6.03 | 11.98 | 29.52 | 40.30 | 47.36 | 55.00 | 61.58 | 60.52 | 49.48 | 40.48 | 27.45 | 18.52 | 41.92 | |||||||||||||
YRS | 38 | 38 | 38 | 39 | 37 | 38 | 37 | 38 | 38 | 39 | 38 | 39 | 33 |