YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 76.00 | q | 70.70 | b | 59.04 | d | ----- | z | ----- | z | 64.87 | j |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | 64.94 | n | 57.16 | 42.48 | d | 34.31 | 44.65 | i | ||
1927 | 37.58 | 39.36 | 41.12 | a | ----- | z | 65.82 | c | 68.87 | 73.29 | 69.60 | 63.87 | 55.82 | 47.62 | 31.05 | 54.00 | a | |||||||||
1928 | 36.63 | d | 34.31 | 44.25 | a | 47.12 | 61.23 | 67.17 | 74.47 | 70.87 | 64.72 | 55.97 | 40.33 | 33.18 | a | 52.52 | ||||||||||
1929 | 31.92 | e | 28.18 | 41.00 | 51.23 | 58.08 | 69.92 | 73.65 | a | 72.29 | 63.68 | 53.47 | 33.30 | 35.58 | 51.03 | |||||||||||
1930 | 22.05 | 43.09 | 36.00 | j | 46.75 | x | ----- | z | 72.09 | c | 74.65 | 74.08 | 67.08 | 51.63 | 43.91 | b | 32.45 | 53.45 | c | |||||||
1931 | 35.26 | 40.12 | 38.00 | 49.42 | 56.44 | 72.32 | 74.74 | 69.81 | 69.95 | 56.90 | a | 39.97 | 36.26 | 53.26 | ||||||||||||
1932 | 31.95 | 41.91 | 38.45 | 53.92 | d | 61.71 | c | 67.05 | 76.34 | 73.52 | 64.34 | a | 53.16 | 43.12 | 29.19 | g | 55.04 | a | ||||||||
1933 | 36.19 | 31.18 | 43.81 | 48.52 | 61.10 | 73.17 | 77.18 | 72.00 | 69.12 | 56.42 | 45.77 | 43.87 | 54.86 | |||||||||||||
1934 | ----- | z | 39.57 | 44.53 | 54.58 | 64.87 | 72.55 | 78.75 | a | 76.48 | 63.42 | 61.00 | a | 45.20 | 37.93 | c | 58.08 | a | ||||||||
1935 | 39.21 | 39.13 | b | 46.58 | 52.00 | 54.69 | 74.58 | d | 78.03 | 73.15 | 63.40 | 54.68 | 41.98 | 32.34 | 54.15 | |||||||||||
1936 | 28.34 | 28.76 | 42.65 | 47.79 | b | 59.48 | 72.27 | 75.35 | 75.10 | 62.42 | 48.95 | 35.77 | 31.43 | a | 50.69 | |||||||||||
1937 | 22.35 | 34.34 | 39.15 | 50.98 | 61.03 | a | 71.00 | 77.74 | 77.90 | 68.13 | 56.16 | 41.43 | 32.78 | b | 52.75 | |||||||||||
1938 | 35.66 | 37.88 | 47.11 | 52.65 | 61.11 | 70.65 | 75.13 | 76.92 | 66.91 | a | 58.29 | b | 39.15 | 36.02 | 54.79 | |||||||||||
1939 | 37.44 | 29.84 | 46.26 | 55.68 | 64.02 | 71.77 | 77.16 | 72.24 | 69.63 | 55.10 | 41.18 | 38.11 | 54.87 | |||||||||||||
1940 | 26.34 | 36.59 | 43.76 | 52.50 | 62.23 | a | 70.07 | 77.52 | 72.26 | 68.22 | 58.84 | 39.28 | 37.33 | a | 53.74 | |||||||||||
1941 | 34.74 | 37.80 | 40.26 | 49.87 | d | 64.83 | b | 69.70 | 72.98 | 72.90 | 67.11 | b | 52.85 | 44.30 | 35.35 | 53.56 | ||||||||||
1942 | 32.09 | b | 31.70 | c | 39.97 | 51.56 | c | 61.68 | 70.38 | 72.98 | b | 71.60 | 64.20 | 53.58 | 48.40 | a | 38.21 | 53.03 | ||||||||
1943 | 36.75 | a | 44.09 | 43.66 | 59.70 | 60.48 | c | 72.13 | 76.02 | a | 76.29 | 65.23 | 53.52 | a | 40.70 | c | 27.93 | a | 54.71 | |||||||
1944 | 30.39 | 36.54 | a | 41.05 | 47.22 | g | 61.79 | 69.93 | 73.57 | a | 73.32 | 65.43 | 55.87 | 43.15 | 35.50 | 53.32 | a | |||||||||
1945 | 33.34 | 39.31 | a | 46.42 | f | 48.58 | 61.87 | 66.93 | 72.79 | 75.22 | b | 64.88 | 58.13 | 47.14 | a | 35.68 | 54.90 | a | ||||||||
1946 | 36.12 | a | 41.30 | 48.66 | 60.83 | 58.67 | a | 71.85 | 75.05 | 71.47 | 65.68 | 54.29 | 40.08 | 40.39 | 55.37 | |||||||||||
1947 | 33.72 | a | 34.59 | 41.60 | 51.93 | 60.11 | 69.53 | 74.21 | 74.29 | 69.70 | 60.26 | 38.62 | 34.00 | 53.55 | ||||||||||||
1948 | 31.78 | a | 33.48 | 36.52 | 56.60 | 62.37 | a | 70.77 | 75.44 | 74.27 | a | 68.12 | a | 54.77 | a | 39.83 | 37.84 | 53.48 | ||||||||
1949 | 28.40 | 36.09 | 44.71 | 52.07 | 61.05 | 67.78 | 73.11 | 70.94 | 65.57 | 54.18 | 49.57 | b | 33.80 | h | 54.86 | a | ||||||||||
1950 | 36.52 | 42.79 | 42.00 | a | 53.18 | 60.77 | 70.83 | 70.85 | 69.24 | 63.90 | 60.87 | 43.68 | 37.52 | a | 54.35 | |||||||||||
1951 | 31.52 | a | 38.42 | b | 41.95 | 49.23 | b | 60.71 | 67.03 | 74.92 | 73.08 | 64.65 | 53.78 | a | 38.38 | 35.50 | a | 52.43 | ||||||||
1952 | 37.27 | 38.03 | 39.88 | c | 51.82 | 61.10 | 76.58 | 74.30 | a | 75.65 | 64.58 | 53.48 | 37.31 | c | 32.76 | 53.56 | ||||||||||
1953 | 41.00 | a | 34.12 | 46.37 | 48.95 | 58.53 | 76.03 | a | 75.34 | 70.92 | 66.27 | 53.90 | 43.54 | g | 32.73 | 54.92 | a | |||||||||
1954 | 35.91 | b | 44.11 | 41.78 | a | 58.00 | 59.35 | 73.45 | a | 77.48 | a | 74.05 | 69.10 | 56.27 | 45.66 | b | 37.78 | b | 56.08 | |||||||
1955 | 33.00 | 32.30 | 43.87 | 53.02 | 60.66 | 67.82 | b | 74.79 | 73.72 | b | 68.03 | 57.03 | a | 40.70 | 39.45 | a | 53.70 | |||||||||
1956 | 36.19 | 34.12 | 44.02 | a | 50.70 | 65.44 | 74.18 | 73.60 | 71.73 | 68.38 | b | 56.90 | 40.18 | 38.18 | 54.47 | |||||||||||
1957 | 34.35 | a | 44.25 | 42.45 | 48.92 | 58.94 | 69.73 | 77.66 | 73.97 | 64.28 | 53.90 | 38.35 | 40.31 | 53.93 | ||||||||||||
1958 | 34.44 | 37.48 | 34.61 | 49.23 | 64.02 | 72.65 | 72.73 | 74.32 | 67.38 | 55.39 | 43.63 | 36.47 | 53.53 | |||||||||||||
1959 | 30.87 | 37.66 | 42.40 | 51.18 | 61.21 | 72.23 | 72.55 | a | 73.24 | 64.23 | 52.39 | 40.70 | 37.34 | 53.00 | ||||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.42 | 37.04 | 42.34 | 52.06 | 61.11 | 71.00 | 74.98 | 73.22 | 66.24 | 55.54 | 41.85 | 35.80 | 53.66 | |||||||||||||
S.D. | 4.37 | 4.45 | 3.15 | 3.41 | 2.46 | 2.50 | 1.92 | 2.12 | 2.28 | 2.66 | 3.64 | 3.24 | 1.22 | |||||||||||||
SKEW | -0.97 | -0.18 | -0.28 | 0.95 | -0.22 | 0.18 | 0.16 | 0.15 | 0.29 | 0.14 | 0.10 | -0.03 | -0.52 | |||||||||||||
MAX | 41.00 | 44.25 | 48.66 | 60.83 | 65.82 | 76.58 | 78.75 | 77.90 | 70.70 | 61.00 | 49.57 | 43.87 | 56.08 | |||||||||||||
MIN | 22.05 | 28.18 | 34.61 | 47.12 | 54.69 | 66.93 | 70.85 | 69.24 | 62.42 | 48.95 | 33.30 | 27.93 | 50.69 | |||||||||||||
YRS | 32 | 33 | 31 | 30 | 32 | 33 | 33 | 33 | 34 | 35 | 33 | 32 | 25 |