YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 84.60 | j | 70.20 | a | 54.80 | 58.65 | 61.22 | i | ||
1907 | 56.74 | 61.04 | 74.55 | 68.70 | 73.16 | 86.73 | 90.52 | 90.13 | 85.40 | 72.35 | 58.57 | 50.77 | 72.39 | |||||||||||||
1908 | 56.10 | 56.14 | 70.77 | 71.17 | 80.17 | b | 88.73 | 88.90 | 90.13 | 84.87 | 72.74 | 60.80 | 55.52 | 73.00 | ||||||||||||
1909 | 57.68 | 59.79 | 61.32 | 73.77 | 77.71 | 87.17 | 92.19 | 92.84 | 85.90 | 73.39 | 64.23 | 44.26 | 72.52 | |||||||||||||
1910 | 53.84 | 51.89 | 74.13 | ----- | z | 75.35 | 91.07 | 94.71 | 89.74 | 90.63 | 80.32 | 65.97 | a | 52.58 | 74.57 | a | ||||||||||
1911 | 60.65 | 50.93 | 65.55 | b | 73.83 | 80.16 | 92.43 | 90.39 | 90.68 | 91.77 | 71.42 | 57.90 | 39.94 | 72.14 | ||||||||||||
1912 | 36.42 | 46.97 | 49.65 | 69.03 | 80.81 | 83.17 | 93.19 | 91.71 | 78.17 | 74.29 | 63.00 | 50.39 | 68.07 | |||||||||||||
1913 | 49.55 | 43.46 | 60.29 | 74.50 | 83.42 | 85.47 | 95.26 | 97.65 | 79.77 | 71.84 | 63.77 | 43.42 | 70.70 | |||||||||||||
1914 | 59.30 | a | 54.68 | 66.19 | 71.27 | 74.97 | 88.53 | 91.58 | 89.87 | 90.20 | 73.84 | 64.93 | 41.29 | 72.22 | ||||||||||||
1915 | 47.71 | 54.04 | 49.90 | 70.63 | 73.74 | 84.47 | 87.58 | 85.03 | 83.50 | 75.26 | 67.10 | 54.35 | 69.44 | |||||||||||||
1916 | 49.97 | 59.31 | 72.39 | 70.03 | 83.16 | 87.23 | 95.16 | 92.06 | 84.00 | a | 73.10 | 61.37 | 51.35 | 73.26 | ||||||||||||
1917 | 45.54 | e | 58.32 | f | 67.03 | 70.59 | a | 72.58 | 91.07 | 94.84 | 86.19 | 83.17 | 72.94 | ----- | z | ----- | z | 75.99 | c | |||||||
1918 | 41.94 | 62.50 | 70.32 | 67.93 | 84.45 | 92.47 | 95.48 | 95.35 | 81.20 | 75.10 | 53.90 | 43.50 | a | 72.01 | ||||||||||||
1919 | 35.48 | 46.25 | 60.97 | a | 69.34 | a | 75.97 | 84.00 | a | 92.31 | b | 95.90 | b | 88.10 | 73.71 | 58.59 | a | 44.06 | o | 70.97 | a | |||||
1920 | 50.97 | a | 60.24 | 65.39 | 69.53 | 79.30 | a | 89.13 | 96.16 | ----- | z | ----- | z | ----- | z | 56.53 | 54.00 | 69.03 | c | |||||||
1921 | 54.19 | 54.14 | 71.58 | 72.90 | 82.32 | 84.33 | 90.68 | ----- | z | 91.47 | k | 82.16 | 68.00 | ----- | z | 73.37 | c | |||||||||
1922 | 48.42 | 56.11 | 59.13 | 68.47 | 78.19 | 85.92 | d | 93.93 | a | 96.93 | c | 90.38 | d | ----- | z | 63.89 | c | 57.30 | a | 72.61 | a | |||||
1923 | 60.74 | 50.64 | c | 61.70 | d | 71.04 | b | 77.65 | ----- | z | 93.77 | e | 93.06 | m | 84.78 | g | ----- | z | ----- | z | 43.00 | d | 65.51 | e | ||
1924 | 50.24 | b | 53.52 | d | ----- | z | 71.96 | d | 75.07 | c | 93.40 | e | 88.93 | c | 93.59 | d | 85.70 | c | 75.96 | f | ----- | z | 42.14 | c | 72.73 | c |
1925 | 49.14 | b | 63.12 | b | 71.38 | b | 77.09 | g | 82.44 | d | 93.04 | e | 93.42 | e | 87.71 | j | 79.94 | n | 62.00 | b | 59.36 | b | 50.56 | d | 69.38 | c |
1926 | 49.32 | c | 62.74 | a | 55.58 | e | 62.52 | a | 77.08 | f | 86.21 | b | 89.32 | c | 92.30 | h | ----- | z | ----- | z | ----- | z | ----- | z | 67.62 | f |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 50.70 | 55.13 | 64.62 | 70.40 | 78.45 | 88.14 | 92.42 | 91.85 | 85.52 | 73.42 | 61.34 | 49.00 | 71.57 | |||||||||||||
S.D. | 7.14 | 5.84 | 7.56 | 2.76 | 3.74 | 3.31 | 2.56 | 3.65 | 4.10 | 4.32 | 4.24 | 6.08 | 1.67 | |||||||||||||
SKEW | -0.57 | -0.34 | -0.56 | -1.02 | 0.01 | 0.22 | -0.29 | -0.13 | -0.08 | -0.45 | -0.17 | -0.03 | -1.11 | |||||||||||||
MAX | 60.74 | 63.12 | 74.55 | 74.50 | 84.45 | 93.40 | 96.16 | 97.65 | 91.77 | 82.16 | 68.00 | 58.65 | 73.26 | |||||||||||||
MIN | 35.48 | 43.46 | 49.65 | 62.52 | 72.58 | 83.17 | 87.58 | 85.03 | 78.17 | 62.00 | 53.90 | 39.94 | 68.07 | |||||||||||||
YRS | 20 | 19 | 19 | 18 | 19 | 19 | 20 | 15 | 15 | 16 | 17 | 17 | 10 |