YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1899 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1900 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1901 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1902 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1904 | 33.52 | g | 30.81 | m | 32.09 | c | 48.57 | 54.44 | f | 60.93 | 68.40 | b | 68.94 | 60.77 | 48.00 | y | 42.50 | k | 32.86 | i | 56.61 | f | ||||
1905 | 32.63 | d | 31.40 | b | 44.50 | v | ----- | z | ----- | z | 62.48 | 71.05 | 66.77 | 53.00 | 42.45 | a | 37.74 | a | 28.68 | a | 47.36 | c | ||||
1906 | 29.63 | 33.46 | 34.52 | 48.67 | a | 52.90 | 57.62 | 74.89 | 67.11 | 59.98 | 50.47 | 37.00 | a | 32.29 | 48.21 | |||||||||||
1907 | 20.21 | b | 35.18 | 36.87 | 42.87 | 53.48 | 60.36 | e | 67.35 | 62.62 | a | 60.45 | a | 58.65 | a | 41.62 | 33.72 | a | 47.78 | |||||||
1908 | 32.36 | c | 33.41 | 40.00 | h | 50.17 | 54.07 | a | 62.85 | 72.43 | a | 74.84 | o | 65.04 | b | 38.76 | l | 41.13 | 26.24 | 48.63 | c | |||||
1909 | 18.71 | 30.33 | b | 41.17 | a | ----- | z | 52.88 | a | 63.37 | 68.90 | 76.55 | u | 64.32 | 48.00 | 38.67 | 29.83 | e | 45.62 | b | ||||||
1910 | 29.98 | b | 33.57 | 45.85 | 50.62 | a | 59.82 | a | 60.43 | b | 66.24 | 62.89 | 57.23 | 48.97 | b | 37.32 | 31.53 | a | 48.70 | |||||||
1911 | 27.15 | a | 27.37 | a | 41.11 | 46.20 | 50.03 | 64.64 | a | 70.33 | e | 65.42 | ----- | z | ----- | z | ----- | z | ----- | z | 49.03 | d | ||||
1912 | ----- | z | 34.42 | c | 37.03 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.73 | j | |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 29.44 | 30.93 | 38.69 | 47.62 | 54.21 | 65.13 | 73.05 | 66.18 | 67.17 | a | 50.77 | 33.11 | b | 31.42 | a | 48.98 | ||||||||||
1939 | 32.56 | 26.06 | c | 39.27 | 49.12 | 57.16 | 56.80 | ----- | z | 71.60 | 60.53 | 47.40 | 40.00 | 35.69 | 46.93 | a | ||||||||||
1940 | 28.95 | 34.79 | a | 42.71 | 47.97 | 58.48 | 64.27 | 70.55 | 68.61 | 62.67 | a | 51.82 | a | 31.43 | 32.80 | a | 49.59 | |||||||||
1941 | 30.58 | 37.32 | 44.95 | 50.85 | 54.48 | 61.95 | 73.15 | a | 66.89 | d | 54.33 | j | 46.97 | a | 43.00 | s | 35.00 | 50.21 | b | |||||||
1942 | 25.26 | 33.38 | 41.21 | 50.27 | 52.77 | 58.38 | 70.50 | a | 74.85 | d | 64.31 | q | 50.13 | 33.65 | 30.58 | 47.36 | a | |||||||||
1943 | 20.85 | 31.50 | a | 34.39 | 51.46 | f | 51.75 | a | 62.83 | d | 71.10 | 66.10 | 62.62 | 49.76 | 36.75 | 28.44 | 46.92 | a | ||||||||
1944 | 29.50 | 30.62 | 36.56 | 47.60 | 55.32 | 60.83 | 68.08 | 65.85 | a | 61.02 | a | 54.66 | 35.20 | 26.74 | 47.67 | |||||||||||
1945 | 31.47 | 34.09 | 37.13 | 43.50 | 56.03 | 58.62 | 68.79 | 68.34 | 55.48 | 49.95 | 33.69 | a | 28.65 | 47.14 | ||||||||||||
1946 | 30.00 | b | 33.61 | 40.13 | a | 47.63 | 56.73 | 58.80 | 67.03 | 66.90 | 58.14 | b | 42.53 | 32.98 | 31.85 | 47.20 | ||||||||||
1947 | 24.45 | a | 36.00 | 42.40 | a | 47.95 | a | 59.50 | 59.17 | 67.69 | d | 64.69 | ----- | z | ----- | z | ----- | z | ----- | z | 50.23 | d | ||||
1948 | 27.71 | b | 25.84 | m | ----- | z | ----- | z | ----- | z | 65.29 | a | 63.78 | a | 65.02 | 57.92 | 47.24 | 34.28 | 21.81 | 47.88 | d | |||||
1949 | 10.78 | a | 26.66 | 39.06 | 50.07 | 58.84 | 61.78 | 68.40 | 67.73 | 61.10 | a | 43.39 | 40.78 | e | 25.90 | g | 48.05 | a | ||||||||
1950 | 9.47 | 29.95 | 36.24 | 45.86 | a | 53.70 | a | 60.47 | 68.35 | 68.66 | 67.20 | b | 46.35 | k | 36.68 | 34.92 | 46.50 | a | ||||||||
1951 | 27.89 | 33.02 | a | 35.18 | 48.73 | 55.45 | 60.50 | 69.67 | a | 66.77 | 59.45 | 45.34 | 35.53 | 22.40 | 46.66 | |||||||||||
1952 | 23.02 | 30.72 | 37.08 | 49.83 | 55.60 | 59.79 | a | 68.81 | 67.10 | 62.87 | 54.31 | 33.38 | 30.37 | 47.74 | ||||||||||||
1953 | 37.87 | 35.05 | 40.60 | b | 45.57 | a | 52.38 | a | 56.29 | d | 68.18 | 67.08 | 60.77 | 51.42 | 40.72 | g | 34.17 | a | 49.94 | a | ||||||
1954 | 28.48 | a | 35.21 | 37.70 | c | 45.39 | b | 55.23 | c | 56.42 | d | 67.64 | b | 64.70 | d | 56.50 | c | 47.10 | 43.12 | a | 31.00 | 47.38 | ||||
1955 | 28.40 | a | 28.88 | 32.00 | 41.59 | a | 50.48 | 63.70 | 66.35 | 67.93 | a | 60.43 | b | 47.48 | a | ----- | z | ----- | z | 48.72 | b | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.69 | 32.28 | 38.50 | 47.57 | 54.84 | 60.91 | 69.23 | 67.03 | 60.67 | 48.99 | 36.70 | 30.39 | 47.91 | |||||||||||||
S.D. | 6.57 | 2.95 | 3.63 | 2.58 | 2.71 | 2.67 | 2.49 | 2.56 | 3.53 | 4.01 | 3.33 | 3.79 | 0.88 | |||||||||||||
SKEW | -1.18 | -0.52 | 0.12 | -0.79 | 0.22 | -0.07 | 0.29 | 1.04 | -0.03 | 0.38 | 0.33 | -0.77 | 0.53 | |||||||||||||
MAX | 37.87 | 37.32 | 45.85 | 50.85 | 59.82 | 65.29 | 74.89 | 74.85 | 67.20 | 58.65 | 43.12 | 35.69 | 49.59 | |||||||||||||
MIN | 9.47 | 26.06 | 32.00 | 41.59 | 50.03 | 56.29 | 63.78 | 62.62 | 53.00 | 42.45 | 31.43 | 21.81 | 46.66 | |||||||||||||
YRS | 25 | 25 | 24 | 22 | 23 | 26 | 25 | 24 | 22 | 21 | 20 | 21 | 11 |