YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.57 | q | 83.00 | 74.96 | d | ----- | z | ----- | z | 78.98 | 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 | 77.88 | n | 73.87 | 59.92 | d | 49.23 | 61.01 | i | ||
1927 | 53.84 | 54.82 | 56.83 | a | ----- | z | 83.93 | c | 83.77 | 87.23 | 82.45 | 78.33 | 75.81 | 65.03 | 48.19 | 70.02 | a | |||||||||
1928 | 55.70 | d | 49.48 | 60.30 | a | 62.77 | 75.74 | 82.17 | 89.94 | 85.61 | 82.03 | 71.68 | 52.23 | 47.30 | a | 67.91 | ||||||||||
1929 | 47.42 | e | 42.07 | 54.74 | 67.73 | 71.81 | 86.83 | 88.32 | 86.71 | 79.17 | 69.55 | 45.67 | 52.68 | 66.06 | ||||||||||||
1930 | 35.97 | 62.32 | 51.24 | j | 67.50 | x | ----- | z | 88.11 | c | 90.65 | 91.00 | 84.60 | 63.00 | 59.38 | a | 47.39 | 69.16 | c | |||||||
1931 | 50.81 | 53.64 | 52.90 | 63.50 | 70.45 | 89.43 | 91.45 | 84.74 | 87.03 | 73.87 | a | 54.37 | 47.97 | 68.35 | ||||||||||||
1932 | 45.81 | 56.45 | 54.58 | 71.88 | d | 77.18 | c | 81.53 | 92.55 | 87.35 | 76.72 | a | 70.00 | 60.23 | 44.25 | g | 70.39 | a | ||||||||
1933 | 51.97 | 48.07 | 60.68 | 65.87 | 78.16 | 90.40 | 94.94 | 83.71 | 85.53 | 73.45 | 63.77 | 63.19 | 71.64 | |||||||||||||
1934 | ----- | z | 52.82 | 62.19 | 71.13 | 81.45 | 90.53 | 96.32 | 93.45 | 77.97 | 76.13 | a | 61.30 | 56.39 | c | 74.52 | a | |||||||||
1935 | 53.61 | 55.07 | a | 62.61 | 68.47 | 66.23 | 87.57 | b | 93.97 | 88.03 | 79.33 | 70.32 | 54.67 | 43.10 | 68.58 | |||||||||||
1936 | 39.61 | 41.79 | 55.94 | 58.76 | a | 68.94 | 87.43 | 90.32 | 91.13 | 73.27 | 60.87 | 45.77 | 42.45 | 63.02 | ||||||||||||
1937 | 35.68 | 47.89 | 50.29 | 64.63 | 71.30 | a | 84.20 | 92.74 | 93.65 | 82.03 | 70.26 | 56.33 | 45.80 | a | 66.23 | |||||||||||
1938 | 49.32 | 50.82 | 60.94 | 65.27 | 74.23 | 83.47 | 89.19 | 92.61 | 80.66 | a | 72.10 | a | 55.10 | 48.65 | 68.53 | |||||||||||
1939 | 47.52 | 42.61 | 58.90 | 68.77 | 77.68 | 87.87 | 91.90 | 87.68 | 85.23 | 72.65 | 57.13 | 54.32 | 69.35 | |||||||||||||
1940 | 37.16 | 48.10 | 59.58 | 68.77 | 77.16 | 85.90 | 94.19 | 86.32 | 83.53 | 76.00 | 52.07 | 50.03 | a | 68.24 | ||||||||||||
1941 | 47.03 | 50.00 | 51.94 | 57.82 | b | 73.10 | a | 79.73 | 82.81 | 83.77 | 76.48 | a | 62.90 | 59.60 | 49.61 | 64.57 | ||||||||||
1942 | 48.52 | 46.18 | 54.55 | 67.04 | b | 78.81 | 83.17 | 88.03 | 85.26 | 78.40 | 67.00 | 66.27 | 53.81 | 68.08 | ||||||||||||
1943 | 50.90 | 59.86 | 60.16 | 73.93 | 75.90 | a | 86.63 | 90.80 | a | 90.26 | 80.70 | 71.00 | a | 54.36 | b | 38.00 | a | 69.38 | ||||||||
1944 | 41.06 | 48.43 | a | 57.00 | 60.61 | g | 76.00 | 85.07 | 87.74 | 87.19 | 80.07 | 71.13 | 57.03 | 49.84 | 67.32 | a | ||||||||||
1945 | 47.23 | 54.37 | a | 64.52 | b | 65.80 | 79.84 | 83.27 | 86.71 | 89.10 | a | 81.67 | 76.65 | 67.30 | 54.45 | 70.91 | ||||||||||
1946 | 55.81 | 60.54 | 67.13 | 79.20 | 73.67 | a | 88.20 | 89.52 | 83.32 | 77.63 | 67.35 | 53.83 | 57.13 | 71.11 | ||||||||||||
1947 | 49.93 | a | 49.61 | 58.74 | 68.67 | 74.71 | 85.50 | 89.68 | 88.48 | 86.83 | 76.55 | 53.77 | 47.26 | 69.14 | ||||||||||||
1948 | 44.84 | 47.00 | 50.81 | 75.07 | 77.57 | a | 85.37 | 90.71 | 89.43 | a | 86.17 | a | 72.77 | 55.77 | 54.45 | 69.16 | ||||||||||
1949 | 41.39 | 50.86 | 61.84 | 66.63 | 75.71 | 81.70 | 86.81 | 85.71 | 80.63 | 71.87 | 69.10 | a | 49.83 | h | 70.20 | a | ||||||||||
1950 | 57.10 | 61.71 | 61.90 | a | 71.17 | 79.42 | 87.50 | 83.87 | 84.71 | 76.93 | 79.19 | 61.80 | 55.27 | a | 71.71 | |||||||||||
1951 | 46.80 | a | 55.73 | b | 59.39 | 65.61 | b | 76.32 | 81.97 | 89.90 | 88.68 | 82.57 | 71.23 | a | 55.90 | 53.13 | a | 68.94 | ||||||||
1952 | 53.42 | 53.72 | 55.86 | b | 68.20 | 77.00 | 94.10 | 91.00 | a | 91.39 | 81.60 | 72.94 | 53.18 | b | 48.10 | 70.04 | ||||||||||
1953 | 58.87 | a | 50.04 | 64.32 | 67.90 | 76.55 | 95.31 | a | 92.52 | 86.16 | 85.73 | 70.97 | 60.52 | e | 48.32 | 71.43 | ||||||||||
1954 | 53.03 | b | 63.96 | 58.20 | a | 76.67 | 73.10 | 90.86 | a | 92.53 | a | 88.90 | 84.40 | 71.77 | 63.41 | a | 55.37 | a | 72.68 | |||||||
1955 | 49.13 | 49.79 | 63.45 | 69.23 | 75.52 | 83.96 | b | 90.03 | 89.93 | a | 84.50 | 75.47 | a | 59.03 | 57.03 | a | 70.59 | |||||||||
1956 | 53.58 | 51.07 | 64.50 | a | 69.60 | 82.90 | 91.43 | 88.97 | 88.58 | 87.36 | b | 75.26 | 57.27 | 56.10 | 72.22 | |||||||||||
1957 | 49.67 | a | 60.07 | 56.10 | 63.13 | 72.19 | 86.60 | 94.00 | 87.71 | 81.60 | 66.03 | 50.83 | 58.16 | 68.84 | ||||||||||||
1958 | 50.65 | 51.25 | 44.65 | 63.37 | 78.23 | 87.77 | 86.71 | 89.97 | 81.10 | 71.29 | 61.97 | 53.19 | 68.34 | |||||||||||||
1959 | 46.84 | 52.79 | 60.52 | 68.07 | 77.03 | 88.63 | 87.87 | a | 86.94 | 81.87 | 68.42 | 59.67 | 51.52 | 69.18 | ||||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 48.44 | 52.21 | 58.31 | 67.82 | 75.87 | 86.55 | 90.12 | 87.88 | 81.61 | 71.55 | 57.75 | 51.17 | 69.05 | |||||||||||||
S.D. | 5.99 | 5.71 | 4.89 | 4.71 | 3.82 | 3.64 | 3.04 | 2.90 | 3.47 | 4.13 | 5.49 | 5.20 | 2.25 | |||||||||||||
SKEW | -0.56 | 0.24 | -0.64 | 0.24 | -0.26 | 0.38 | -0.24 | 0.14 | -0.22 | -0.73 | -0.10 | -0.21 | -0.72 | |||||||||||||
MAX | 58.87 | 63.96 | 67.13 | 79.20 | 83.93 | 95.31 | 96.32 | 93.65 | 87.36 | 79.19 | 69.10 | 63.19 | 72.68 | |||||||||||||
MIN | 35.68 | 41.79 | 44.65 | 57.82 | 66.23 | 79.73 | 82.81 | 82.45 | 73.27 | 60.87 | 45.67 | 38.00 | 63.02 | |||||||||||||
YRS | 32 | 33 | 32 | 30 | 32 | 33 | 33 | 33 | 34 | 35 | 34 | 32 | 27 |