YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 67.17 | 71.68 | 70.23 | 61.73 | 47.39 | 39.87 | 26.24 | 54.90 | e | |||||||
1924 | 26.27 | 37.55 | 36.98 | a | 47.62 | 58.50 | a | 72.42 | 72.32 | 71.95 | 62.90 | 52.87 | 44.57 | a | 26.87 | 50.90 | ||||||||||
1925 | 26.81 | 40.12 | 45.02 | 54.10 | 61.71 | 71.37 | 74.52 | 67.98 | 62.38 | 49.16 | 39.65 | 31.11 | 51.99 | |||||||||||||
1926 | 28.47 | 39.96 | a | 39.10 | 48.02 | 57.77 | 66.50 | 70.08 | 70.44 | 64.84 | a | 54.81 | 41.07 | 31.65 | 51.06 | |||||||||||
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | 40.45 | 40.88 | 50.74 | 53.37 | 64.00 | 70.98 | 77.34 | 71.73 | 65.50 | 57.95 | 39.72 | 32.85 | 55.46 | |||||||||||||
1929 | 30.47 | 28.66 | 41.45 | 52.12 | a | 58.00 | 69.02 | 70.94 | 70.11 | 63.70 | 52.97 | 33.20 | 37.24 | 50.66 | ||||||||||||
1930 | 25.52 | d | 44.41 | a | 38.97 | 55.38 | 56.32 | 67.53 | 71.63 | 71.39 | 66.05 | 51.55 | a | 39.17 | a | 31.82 | 51.65 | |||||||||
1931 | 32.44 | 37.48 | a | 37.77 | 48.33 | a | 54.98 | 70.48 | 71.27 | 68.34 | 67.48 | a | 54.06 | 39.13 | 35.06 | 51.40 | ||||||||||
1932 | 29.27 | 41.38 | 37.48 | 51.23 | 58.90 | 65.90 | 72.74 | 69.48 | 62.43 | a | 51.06 | 42.85 | 25.50 | b | 50.69 | |||||||||||
1933 | 33.92 | a | 32.06 | b | 43.94 | 47.58 | 57.68 | a | 69.72 | 72.19 | 68.74 | 67.68 | 56.67 | a | ----- | z | ----- | z | 55.02 | b | ||||||
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 | 30.40 | 38.06 | 41.27 | 50.86 | 58.65 | 69.11 | 72.47 | 70.04 | 64.47 | 52.85 | 39.91 | 30.93 | 51.73 | |||||||||||||
S.D. | 4.69 | 4.90 | 4.55 | 3.06 | 2.72 | 2.24 | 2.08 | 1.40 | 2.16 | 3.24 | 3.12 | 4.03 | 1.58 | |||||||||||||
SKEW | 1.06 | -0.80 | 1.01 | 0.17 | 0.78 | -0.05 | 1.35 | -0.07 | 0.27 | -0.08 | -0.77 | 0.00 | 1.89 | |||||||||||||
MAX | 40.45 | 44.41 | 50.74 | 55.38 | 64.00 | 72.42 | 77.34 | 71.95 | 67.68 | 57.95 | 44.57 | 37.24 | 55.46 | |||||||||||||
MIN | 25.52 | 28.66 | 36.98 | 47.58 | 54.98 | 65.90 | 70.08 | 67.98 | 61.73 | 47.39 | 33.20 | 25.50 | 50.66 | |||||||||||||
YRS | 9 | 9 | 9 | 9 | 9 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 8 |