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 | 30.71 | c | 23.00 | l | 23.17 | b | 31.33 | 37.27 | e | 41.57 | 50.41 | b | 48.94 | 40.30 | 36.74 | d | 25.31 | d | 23.93 | c | 35.43 | a | ||||
1905 | 25.89 | c | 19.04 | 27.79 | q | 33.33 | u | 35.36 | t | 45.37 | 52.48 | 44.84 | 34.77 | 23.50 | a | 22.47 | 19.97 | a | 32.04 | c | ||||||
1906 | 19.74 | 23.68 | 21.61 | 28.14 | a | 34.74 | 39.40 | 56.97 | 49.23 | 43.50 | 30.00 | 25.03 | 26.13 | 33.18 | ||||||||||||
1907 | 8.13 | a | 24.00 | 25.00 | 24.80 | 31.42 | 35.47 | 50.03 | 45.97 | 48.38 | a | 43.42 | 30.03 | 25.77 | 32.70 | |||||||||||
1908 | 23.13 | a | 23.97 | 27.15 | d | 29.77 | 36.84 | 44.03 | 53.00 | a | 66.92 | f | 54.14 | a | 25.58 | l | 30.67 | 19.16 | 34.19 | b | ||||||
1909 | 10.61 | 19.89 | a | 25.03 | a | ----- | z | 35.50 | a | 43.27 | 48.39 | 67.23 | i | 47.03 | 28.03 | 23.03 | 15.83 | b | 29.66 | b | ||||||
1910 | 16.97 | 17.68 | 29.68 | 33.69 | a | 42.30 | a | 40.50 | b | 41.77 | 36.61 | 38.30 | 39.23 | a | 31.10 | 27.26 | 32.92 | |||||||||
1911 | 20.97 | 19.15 | a | 30.29 | 33.47 | 37.87 | 48.62 | a | 52.38 | b | 51.06 | ----- | z | ----- | z | ----- | z | ----- | z | 36.73 | d | |||||
1912 | ----- | z | 27.19 | b | 26.13 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 26.66 | 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 | 25.61 | 24.25 | 30.90 | 36.30 | 40.81 | 51.93 | 58.68 | 51.16 | 53.07 | a | 39.65 | 26.50 | b | 25.93 | a | 38.73 | ||||||||||
1939 | 27.55 | 18.19 | b | 29.77 | 35.93 | 43.55 | 42.20 | ----- | z | 55.52 | 45.77 | 35.65 | 29.60 | 29.58 | 35.76 | a | ||||||||||
1940 | 23.42 | 28.90 | 32.77 | 37.90 | 44.58 | 47.97 | 56.45 | 51.26 | 50.60 | 41.65 | 24.40 | 26.77 | 38.89 | |||||||||||||
1941 | 24.39 | 28.64 | 32.16 | 37.27 | 41.90 | 48.40 | 55.32 | 51.68 | 41.92 | f | 36.10 | a | 30.63 | 26.32 | 37.53 | a | ||||||||||
1942 | 16.42 | 23.46 | 28.74 | 35.00 | 40.39 | 44.40 | 52.52 | 59.26 | d | 49.71 | p | 36.29 | 27.80 | 25.97 | 35.48 | a | ||||||||||
1943 | 14.32 | 23.79 | 25.39 | 39.53 | 41.00 | a | 55.88 | d | 55.39 | 48.13 | 46.67 | 38.74 | 30.23 | 23.16 | 36.85 | |||||||||||
1944 | 23.19 | 23.97 | 26.97 | 36.40 | 42.03 | 47.70 | 51.29 | 49.97 | 46.07 | 40.77 | 29.30 | 21.90 | 36.63 | |||||||||||||
1945 | 27.45 | 27.46 | 28.58 | 31.70 | 43.06 | 45.23 | 50.94 | 51.87 | 42.63 | 38.10 | 26.72 | a | 23.19 | 36.41 | ||||||||||||
1946 | 22.83 | a | 25.82 | 31.60 | a | 35.57 | 42.87 | 45.73 | 51.61 | 51.26 | 45.00 | 32.39 | 27.10 | 26.13 | 36.49 | |||||||||||
1947 | 16.87 | 27.32 | 31.61 | 36.24 | a | 45.00 | 47.07 | 52.00 | a | 49.65 | ----- | z | ----- | z | ----- | z | ----- | z | 38.22 | d | ||||||
1948 | 20.34 | b | 22.14 | ----- | z | ----- | z | ----- | z | 52.66 | a | 48.94 | 50.32 | 42.47 | 33.87 | 26.47 | 15.42 | 34.74 | c | |||||||
1949 | 1.80 | a | 17.79 | 28.94 | 35.00 | 44.71 | 45.60 | 51.03 | 50.61 | 45.79 | a | 30.55 | 32.30 | 19.35 | 33.62 | |||||||||||
1950 | -0.74 | 21.00 | 26.61 | 31.03 | a | 37.94 | 47.00 | 51.19 | 50.81 | 55.14 | b | 38.80 | k | 30.37 | 30.00 | 34.58 | a | |||||||||
1951 | 22.71 | 25.71 | 26.13 | 35.10 | 41.35 | 46.47 | 52.10 | 49.84 | 44.00 | 36.06 | 28.13 | 15.74 | 35.28 | |||||||||||||
1952 | 16.00 | 23.93 | 27.77 | 35.03 | 42.06 | 45.69 | a | 50.97 | 50.03 | 46.70 | 39.00 | 24.70 | 25.87 | 35.65 | ||||||||||||
1953 | 32.55 | 27.71 | 30.07 | b | 34.24 | a | 39.57 | a | 44.36 | b | 49.71 | 50.35 | 44.27 | 38.06 | 32.50 | b | 28.77 | a | 37.68 | |||||||
1954 | 21.39 | 27.32 | 26.48 | b | 32.59 | a | 41.83 | a | 43.30 | c | 51.37 | a | 50.50 | c | 43.63 | c | 35.26 | 35.80 | 24.52 | 36.16 | ||||||
1955 | 23.03 | 20.86 | 23.58 | 31.93 | 37.77 | 48.77 | 51.06 | 50.10 | 45.55 | a | 37.97 | ----- | z | ----- | z | 37.06 | b | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 19.82 | 23.57 | 27.85 | 33.82 | 40.27 | 45.71 | 51.84 | 49.96 | 45.63 | 35.96 | 28.27 | 23.77 | 35.80 | |||||||||||||
S.D. | 8.00 | 3.49 | 2.98 | 3.35 | 3.45 | 4.24 | 3.27 | 3.94 | 4.82 | 4.71 | 3.32 | 4.33 | 2.04 | |||||||||||||
SKEW | -0.98 | -0.23 | -0.20 | -0.84 | -0.76 | 0.05 | -0.56 | -1.15 | 0.06 | -0.92 | 0.16 | -0.65 | -0.17 | |||||||||||||
MAX | 32.55 | 28.90 | 32.77 | 39.53 | 45.00 | 55.88 | 58.68 | 59.26 | 55.14 | 43.42 | 35.80 | 30.00 | 38.89 | |||||||||||||
MIN | -0.74 | 17.68 | 21.61 | 24.80 | 31.42 | 35.47 | 41.77 | 36.61 | 34.77 | 23.50 | 22.47 | 15.42 | 32.70 | |||||||||||||
YRS | 26 | 26 | 25 | 23 | 24 | 26 | 25 | 24 | 22 | 22 | 23 | 23 | 14 |