YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 51.45 | 58.93 | 63.50 | a | 59.90 | 56.02 | a | 44.40 | 35.97 | a | 28.16 | 49.79 | d | |||||
1921 | 32.19 | 31.80 | 40.05 | 41.32 | 51.52 | 57.90 | 62.42 | 60.98 | 58.75 | 49.84 | 40.48 | 35.00 | 46.85 | |||||||||||||
1922 | 25.98 | 30.93 | 34.52 | a | 41.71 | b | 52.76 | 62.23 | 65.56 | 63.48 | 57.90 | 46.40 | 32.41 | a | 33.95 | c | 45.65 | |||||||||
1923 | 33.07 | a | 29.34 | 32.70 | a | 42.72 | a | 52.82 | 60.63 | 63.92 | 60.21 | 53.69 | a | 42.40 | 33.75 | 27.14 | b | 44.37 | ||||||||
1924 | 25.18 | 32.02 | 31.13 | a | 41.33 | 51.79 | 63.63 | 62.48 | 61.58 | 55.35 | 46.18 | 38.70 | 25.45 | 44.57 | ||||||||||||
1925 | 23.07 | b | 34.18 | 40.29 | 46.71 | a | 54.63 | 61.03 | 64.84 | 60.47 | 56.59 | a | 47.87 | 36.53 | 28.48 | 46.22 | ||||||||||
1926 | 22.85 | 34.36 | 34.13 | a | 43.57 | 50.81 | 60.53 | 61.77 | 62.92 | 60.02 | 49.48 | 39.10 | 27.06 | 45.55 | ||||||||||||
1927 | 33.50 | 34.79 | b | 36.78 | a | 46.30 | 54.60 | 58.57 | 64.16 | 61.94 | 55.17 | c | 46.74 | b | 42.18 | e | 24.87 | 46.63 | ||||||||
1928 | 32.97 | a | 27.78 | 38.10 | 42.23 | 50.92 | 62.31 | a | ----- | z | 59.87 | 54.97 | 48.97 | 34.24 | a | 28.00 | 43.67 | a | ||||||||
1929 | 26.71 | 22.72 | a | 34.45 | a | 42.85 | 51.20 | a | 61.15 | 62.92 | 60.03 | 55.90 | 44.47 | 29.36 | a | 30.73 | 43.54 | |||||||||
1930 | 22.88 | a | 34.73 | 32.53 | 47.22 | 47.89 | 62.05 | a | 62.43 | a | 60.79 | 55.83 | 45.58 | a | 32.27 | 23.44 | 43.97 | |||||||||
1931 | 25.71 | 30.05 | 32.68 | a | 42.97 | 49.69 | 61.27 | 65.08 | 62.56 | 59.72 | a | 47.05 | b | 35.54 | d | 28.27 | 45.05 | |||||||||
1932 | 23.32 | 36.73 | a | 32.68 | 42.17 | 48.90 | 56.37 | 62.23 | 60.66 | 53.48 | 42.72 | a | 34.88 | 21.95 | 43.01 | |||||||||||
1933 | 24.31 | 24.71 | 37.15 | 38.30 | 48.29 | 58.95 | a | 62.82 | a | 59.65 | 58.47 | 47.18 | 28.70 | y | 34.39 | d | 44.93 | a | ||||||||
1934 | 28.74 | 34.23 | 40.08 | 45.55 | 56.57 | a | 60.32 | 64.84 | 63.02 | 55.03 | 48.27 | 39.06 | d | 34.53 | 47.52 | |||||||||||
1935 | 36.65 | a | 33.62 | 43.35 | 48.14 | a | 50.00 | 64.03 | 67.35 | 64.92 | 58.35 | 50.60 | 39.63 | 31.84 | 49.04 | |||||||||||
1936 | 31.06 | 35.67 | 43.61 | 50.13 | 53.71 | 65.50 | b | 66.76 | 66.75 | a | 57.58 | 48.13 | 38.87 | 33.58 | 49.28 | |||||||||||
1937 | 26.82 | 33.78 | a | 36.85 | 47.58 | 56.44 | 62.40 | 66.69 | 67.48 | 60.63 | 50.84 | 40.17 | 33.29 | 48.58 | ||||||||||||
1938 | 31.48 | 35.20 | 40.47 | a | 47.43 | 53.92 | 63.40 | 65.35 | 66.48 | 57.78 | 49.37 | 35.88 | a | 35.08 | 48.49 | |||||||||||
1939 | 27.35 | 22.02 | 37.97 | 47.91 | a | 55.79 | 64.82 | 65.85 | 64.58 | 60.32 | 47.52 | a | 37.03 | 35.88 | b | 47.25 | ||||||||||
1940 | 30.26 | 30.38 | 39.24 | 46.12 | 54.79 | b | 62.60 | 67.25 | a | 63.30 | a | 58.20 | 48.29 | 35.80 | 35.21 | 47.62 | ||||||||||
1941 | 30.48 | a | 35.93 | 36.52 | 42.12 | 54.20 | a | 59.33 | 64.21 | 63.52 | 58.13 | 46.87 | a | 38.75 | 32.34 | 46.87 | ||||||||||
1942 | 31.87 | 28.43 | 35.03 | 46.48 | a | 54.44 | 64.37 | 66.69 | 64.03 | 57.48 | a | 48.34 | 41.43 | 34.27 | 47.74 | |||||||||||
1943 | 33.06 | 36.32 | 39.63 | 50.22 | 56.19 | 60.02 | 63.23 | 66.05 | a | 58.48 | 47.23 | 36.75 | 26.10 | 47.77 | ||||||||||||
1944 | 25.53 | 30.22 | 35.98 | 43.12 | 53.23 | 60.82 | 65.50 | 65.00 | a | 58.88 | 49.90 | 36.33 | 30.42 | 46.24 | ||||||||||||
1945 | 31.23 | a | 35.87 | a | 38.16 | 43.67 | 56.53 | 61.12 | 66.32 | 66.05 | 59.98 | 49.87 | 39.55 | a | 29.47 | a | 48.15 | |||||||||
1946 | 24.81 | 31.98 | 39.81 | 52.35 | 54.02 | 66.52 | 66.47 | 65.55 | 61.08 | 48.21 | 34.30 | 35.11 | 48.35 | |||||||||||||
1947 | 27.47 | 35.34 | 38.81 | 44.03 | 57.05 | 66.05 | a | 69.74 | 66.27 | 62.27 | 52.77 | 34.37 | 29.48 | 48.64 | ||||||||||||
1948 | 29.32 | 31.19 | 32.87 | 51.22 | 57.92 | 63.35 | 68.31 | 67.60 | 60.75 | 49.08 | 35.12 | 35.44 | 48.51 | |||||||||||||
1949 | 23.16 | 31.21 | d | 40.23 | 46.13 | 55.42 | 64.73 | 67.87 | 65.13 | 62.17 | 48.40 | 45.20 | 30.48 | 48.34 | ||||||||||||
1950 | 33.66 | 37.46 | 41.39 | 50.42 | 56.32 | 66.50 | 66.89 | 64.57 | a | 58.03 | 57.19 | 42.42 | 37.18 | a | 51.00 | |||||||||||
1951 | 31.29 | 34.80 | 38.52 | 46.33 | 57.13 | 63.33 | 67.65 | 63.74 | 62.10 | 51.44 | 38.50 | 31.10 | 48.83 | |||||||||||||
1952 | 34.73 | 32.12 | 35.44 | 46.70 | 56.95 | 67.55 | 67.85 | 68.85 | 60.43 | 52.21 | 33.95 | 29.05 | 48.82 | |||||||||||||
1953 | 37.15 | 30.84 | 42.13 | 46.83 | a | 52.18 | 67.80 | 69.26 | 67.77 | 62.23 | 50.23 | 41.50 | a | 29.79 | 49.81 | |||||||||||
1954 | 33.52 | 40.36 | 39.02 | 52.58 | 58.85 | 66.75 | 70.87 | 67.28 | a | 63.12 | 52.40 | b | 41.83 | 32.84 | 51.62 | |||||||||||
1955 | 28.55 | 30.39 | a | 40.58 | 46.97 | 55.08 | 63.55 | 66.56 | 66.48 | 62.74 | a | 52.60 | 40.33 | a | 34.84 | 49.06 | ||||||||||
1956 | 35.60 | 28.74 | 41.18 | a | 45.73 | 59.85 | 69.00 | 67.05 | 65.98 | 63.10 | 51.92 | 35.48 | 31.58 | 49.60 | ||||||||||||
1957 | 34.12 | a | 41.00 | 39.44 | 44.60 | a | 51.89 | 64.27 | 68.81 | 64.74 | 58.93 | 48.10 | 33.68 | 33.47 | 48.59 | |||||||||||
1958 | 27.69 | 35.93 | 33.16 | 42.88 | 58.03 | 67.45 | 69.61 | 68.52 | 59.10 | 48.21 | 39.74 | a | 37.32 | 48.97 | ||||||||||||
1959 | 32.55 | 33.30 | 38.21 | 48.15 | 55.32 | 66.10 | 68.39 | 66.65 | 61.52 | a | 49.31 | 38.08 | 32.63 | 49.18 | ||||||||||||
1960 | 24.52 | 26.16 | 40.85 | 49.22 | 54.90 | 66.32 | 66.85 | a | 67.34 | 62.08 | 48.31 | 41.33 | c | 25.67 | a | 47.80 | ||||||||||
1961 | 28.19 | 34.20 | 40.06 | 46.80 | 57.21 | 64.60 | 67.77 | 65.69 | 56.90 | a | 49.11 | 34.97 | 30.15 | 47.97 | ||||||||||||
1962 | 29.47 | 38.00 | 34.39 | 49.82 | 56.65 | 63.10 | 66.98 | 67.79 | 61.25 | 50.15 | 41.67 | a | 33.94 | 49.43 | ||||||||||||
1963 | 28.18 | 34.27 | 39.73 | 49.79 | b | 59.36 | b | 65.45 | h | 70.69 | 65.69 | 61.80 | 54.53 | 40.83 | 31.76 | 48.78 | a | |||||||||
1964 | 26.13 | 23.45 | 35.53 | 44.38 | 55.95 | 64.30 | 69.45 | 66.19 | 59.67 | 51.73 | 36.65 | j | 31.97 | 48.07 | a | |||||||||||
1965 | 33.85 | 30.66 | 34.04 | c | 46.73 | 54.45 | 61.28 | 68.76 | 64.74 | 58.17 | 51.26 | 42.77 | 34.27 | 48.42 | ||||||||||||
1966 | 26.98 | 28.52 | 41.19 | 47.60 | 57.79 | 63.26 | a | 71.08 | 66.11 | 60.42 | 49.45 | 42.65 | 32.13 | 48.93 | ||||||||||||
1967 | 31.95 | 35.38 | 44.35 | 48.93 | 53.85 | 62.60 | 69.44 | 63.08 | 58.52 | 50.87 | 41.28 | 26.23 | 48.87 | |||||||||||||
1968 | 30.11 | 35.45 | 36.44 | 43.80 | 53.98 | a | 65.08 | 65.82 | 62.97 | 58.00 | 50.71 | 37.50 | 29.45 | 47.44 | ||||||||||||
1969 | 36.19 | 32.68 | 32.50 | 48.07 | 56.27 | 62.77 | 69.10 | b | 68.48 | 60.85 | 47.00 | 36.87 | 33.69 | 48.71 | ||||||||||||
1970 | 29.66 | 35.84 | 34.95 | 43.38 | 56.71 | 61.37 | 68.65 | 67.05 | 59.15 | 45.23 | ----- | z | ----- | z | 50.20 | b | ||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.50 | 32.50 | 37.58 | 46.03 | 54.44 | 63.04 | 66.48 | 64.52 | 58.96 | 48.92 | 37.90 | 31.17 | 47.71 | |||||||||||||
S.D. | 3.99 | 4.15 | 3.36 | 3.16 | 2.87 | 2.81 | 2.50 | 2.63 | 2.49 | 2.79 | 3.38 | 3.67 | 1.88 | |||||||||||||
SKEW | 0.01 | -0.60 | -0.07 | -0.02 | -0.40 | -0.06 | -0.16 | -0.35 | -0.27 | 0.16 | -0.16 | -0.50 | -0.69 | |||||||||||||
MAX | 37.15 | 41.00 | 44.35 | 52.58 | 59.85 | 69.00 | 71.08 | 68.85 | 63.12 | 57.19 | 45.20 | 37.32 | 51.62 | |||||||||||||
MIN | 22.85 | 22.02 | 31.13 | 38.30 | 47.89 | 56.37 | 61.77 | 59.65 | 53.48 | 42.40 | 29.36 | 21.95 | 43.01 | |||||||||||||
YRS | 50 | 50 | 50 | 50 | 51 | 50 | 50 | 51 | 51 | 51 | 48 | 50 | 45 |