YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1891 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.93 | b | 47.03 | 44.52 | ----- | z | ----- | z | 49.49 | i | ||
1892 | ----- | z | ----- | z | 39.90 | 38.87 | 43.93 | b | 46.53 | 49.52 | 50.63 | a | 50.93 | a | 43.71 | 37.17 | f | ----- | z | 45.50 | d | |||||
1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1895 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1897 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1898 | 34.45 | 38.82 | 35.16 | 39.67 | 43.77 | 49.25 | b | 51.42 | 54.77 | 50.55 | a | 43.10 | 39.00 | 34.30 | a | 42.86 | ||||||||||
1899 | 40.82 | t | 32.75 | 34.94 | 38.90 | 42.81 | 46.83 | 51.61 | 50.45 | ----- | z | 44.03 | 44.87 | 37.74 | 42.49 | b | ||||||||||
1900 | 36.84 | 35.32 | 40.32 | 40.63 | 45.77 | 50.47 | 52.35 | 51.39 | 48.37 | 43.19 | 37.13 | 40.03 | 43.49 | |||||||||||||
1901 | 34.61 | 34.79 | 37.65 | 37.60 | 44.26 | 46.64 | b | 48.72 | f | 51.63 | a | 47.20 | 48.73 | e | 41.40 | j | 37.03 | 42.01 | b | |||||||
1902 | 34.58 | e | 38.96 | 37.55 | 39.57 | 46.71 | 48.87 | 51.53 | a | 51.32 | 48.10 | 46.87 | 40.90 | 36.04 | c | 43.42 | ||||||||||
1903 | 37.65 | 32.96 | 34.42 | 39.10 | 45.13 | 51.80 | 51.97 | 53.71 | 49.41 | a | 46.90 | 40.20 | 38.03 | 43.44 | ||||||||||||
1904 | 37.37 | a | 34.59 | 36.06 | 42.33 | 44.19 | 47.83 | 53.13 | 51.65 | 48.96 | f | 47.13 | 43.50 | 38.81 | 43.33 | a | ||||||||||
1905 | 35.97 | a | 35.96 | 42.39 | 41.73 | 45.42 | 50.52 | a | 54.10 | 53.00 | 52.20 | 42.61 | 39.93 | 37.71 | 44.30 | |||||||||||
1906 | 38.39 | 38.21 | 36.13 | 41.77 | 45.23 | 49.47 | 55.52 | 52.94 | 51.80 | 47.16 | 40.75 | b | 38.23 | 44.63 | ||||||||||||
1907 | 29.84 | 37.15 | a | 35.84 | 38.87 | 46.45 | 49.53 | 52.60 | a | 51.45 | 49.07 | a | 46.63 | a | 42.47 | 37.94 | 43.15 | |||||||||
1908 | 36.94 | 35.31 | 36.68 | 39.00 | a | 42.58 | 47.93 | 53.00 | 51.23 | 46.43 | 44.35 | 43.27 | 36.00 | 42.73 | ||||||||||||
1909 | 30.40 | a | 36.54 | 36.94 | 38.33 | 42.74 | 46.67 | 49.16 | 48.90 | 47.90 | 43.39 | 40.30 | 32.26 | 41.13 | ||||||||||||
1910 | 32.93 | a | 32.78 | a | 39.32 | 38.63 | 42.42 | 44.80 | 48.48 | 47.35 | 46.03 | 45.81 | 39.83 | 38.13 | 41.38 | |||||||||||
1911 | 32.97 | 31.86 | 36.39 | 36.13 | 43.74 | 46.43 | 50.71 | 49.52 | 48.20 | 43.94 | 38.57 | 36.71 | 41.26 | |||||||||||||
1912 | 36.58 | 37.41 | 34.37 | a | 39.60 | 45.94 | 48.77 | 51.81 | 52.29 | 48.80 | 42.03 | 40.63 | 36.57 | a | 42.90 | |||||||||||
1913 | 32.32 | 33.25 | 35.19 | 38.87 | 44.13 | 49.27 | 51.10 | 52.42 | 48.10 | 43.58 | 39.93 | a | 36.58 | 42.06 | ||||||||||||
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.55 | a | 42.60 | a | 35.90 | a | 34.45 | 40.87 | h | |
1916 | 25.61 | 35.10 | 37.55 | 38.40 | 40.87 | 46.03 | 50.30 | a | 51.29 | 47.27 | 39.13 | a | 31.55 | a | 30.79 | g | 40.28 | a | ||||||||
1917 | 31.87 | 34.31 | b | 33.19 | 38.70 | 42.67 | a | 46.03 | 50.13 | a | 52.10 | 48.20 | e | 44.77 | 42.07 | 39.30 | a | 41.95 | ||||||||
1918 | 38.37 | a | 34.07 | 35.81 | 37.70 | 41.63 | a | 47.57 | 49.97 | 50.65 | 50.10 | 44.42 | 39.33 | 34.69 | b | 42.02 | ||||||||||
1919 | 34.81 | 35.63 | a | 36.77 | 39.20 | 41.10 | b | 44.48 | a | 47.50 | a | 47.68 | 47.10 | 38.72 | b | 38.96 | f | 28.60 | f | 41.30 | b | |||||
1920 | 33.61 | c | 32.93 | 35.13 | 36.37 | 39.32 | 46.11 | c | 51.00 | b | 50.27 | a | 48.18 | b | 43.80 | a | 38.93 | b | 37.72 | b | 41.11 | |||||
1921 | 34.82 | c | 36.11 | 37.47 | a | 36.89 | b | 44.50 | c | 49.33 | c | 49.68 | 51.23 | 45.73 | 45.42 | e | 39.13 | 33.90 | b | 42.02 | ||||||
1922 | 30.41 | b | 33.67 | a | 34.83 | a | 38.93 | b | 44.07 | b | 48.57 | 52.13 | 52.84 | 50.10 | a | 44.73 | a | 34.90 | 31.93 | d | 41.43 | |||||
1923 | 34.93 | b | 30.39 | 34.93 | b | 40.87 | 45.48 | 49.10 | 52.90 | 52.97 | 50.83 | 45.71 | 39.89 | b | 36.23 | a | 42.85 | |||||||||
1924 | 35.37 | a | 39.19 | c | 35.61 | 38.97 | 44.00 | 46.79 | a | 49.87 | a | 50.68 | 47.27 | 44.80 | a | 37.57 | 31.39 | 41.79 | ||||||||
1925 | 36.42 | 38.44 | a | 37.45 | b | 41.03 | 50.11 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.86 | w | ----- | z | 38.34 | h | ||
1926 | 36.71 | 40.07 | 40.39 | 43.30 | 46.35 | 49.50 | 51.03 | 52.13 | a | 46.67 | 46.71 | 42.24 | a | 35.58 | 44.22 | |||||||||||
1927 | 34.32 | c | 35.14 | 35.90 | 38.23 | 42.68 | 50.33 | 51.29 | 52.39 | 50.20 | 45.00 | 39.87 | 32.06 | 42.29 | ||||||||||||
1928 | 36.45 | 36.03 | 40.48 | 40.20 | 45.29 | 49.03 | 52.77 | 49.32 | 47.63 | 44.77 | 39.80 | 34.58 | 43.03 | |||||||||||||
1929 | 28.87 | 28.00 | 36.68 | 36.60 | 42.52 | 47.87 | 48.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.41 | e | |||||||
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | 44.50 | y | 36.50 | 38.03 | a | 41.18 | b | 45.29 | 47.66 | a | 51.62 | j | 50.32 | 49.78 | c | 43.40 | f | 35.65 | j | 35.13 | 42.99 | d | ||||
1932 | 32.45 | 33.60 | d | 38.05 | l | 41.48 | e | 43.00 | c | 48.19 | c | 50.27 | a | 51.86 | j | 47.12 | n | 45.13 | h | 39.94 | l | 33.27 | t | 41.50 | f | |
1933 | 33.29 | c | 29.62 | b | 36.00 | b | 37.52 | c | 41.33 | m | 47.89 | k | 47.67 | g | 53.04 | c | 47.12 | n | 43.79 | l | 42.71 | p | 37.22 | v | 37.89 | g |
1934 | 38.00 | d | 38.56 | s | 40.54 | c | 43.75 | f | 45.48 | 47.45 | a | 50.33 | d | 51.69 | e | 47.81 | i | 44.35 | e | 41.50 | d | 36.04 | e | 43.93 | c | |
1935 | 33.79 | c | 34.67 | a | 34.52 | d | 37.39 | b | 42.41 | b | 48.50 | f | 49.85 | d | 49.87 | 48.62 | f | 40.24 | b | 34.23 | d | 36.00 | c | 39.30 | b | |
1936 | 35.70 | a | 28.04 | d | 33.97 | b | 40.39 | b | 45.76 | f | 49.97 | a | 49.43 | a | 50.84 | f | 46.60 | e | 46.78 | v | 37.86 | h | 37.03 | a | 40.14 | d |
1937 | 23.61 | 31.57 | e | 36.10 | 37.54 | b | 42.44 | d | 50.07 | c | 49.90 | a | 49.97 | 49.00 | c | 45.17 | b | 40.53 | 36.65 | e | 41.05 | |||||
1938 | 34.37 | a | 33.39 | 35.41 | b | 39.90 | a | 42.53 | a | 47.20 | 50.23 | a | 48.32 | 49.84 | e | 42.77 | a | 35.71 | b | 36.13 | 41.32 | |||||
1939 | 37.00 | b | 31.73 | b | 35.71 | 37.40 | o | ----- | z | ----- | z | 50.60 | f | 50.68 | 47.41 | a | 44.71 | 41.14 | a | 39.29 | c | 40.96 | d | |||
1940 | 35.52 | 37.89 | b | 39.35 | 42.14 | a | 44.81 | 47.93 | o | 51.26 | 52.03 | 51.46 | b | 47.73 | a | 35.47 | 37.80 | a | 43.22 | a | ||||||
1941 | 36.84 | 37.25 | 39.90 | a | 41.55 | a | 45.00 | a | 49.00 | a | 53.61 | 52.97 | a | 49.23 | 46.33 | a | 41.37 | 36.58 | 44.14 | |||||||
1942 | 33.52 | 34.30 | a | 35.94 | 41.80 | 45.23 | a | 48.00 | 54.07 | a | 52.96 | e | 48.81 | c | 44.83 | a | 36.45 | a | 38.06 | 42.83 | ||||||
1943 | 28.17 | b | 36.52 | a | 35.57 | c | 41.30 | c | 43.00 | a | 46.72 | a | 50.43 | a | 50.97 | b | 50.83 | 42.15 | r | 39.93 | 34.97 | 41.67 | a | |||
1944 | 32.94 | 34.81 | b | 33.64 | c | 40.57 | 42.90 | j | 48.10 | a | 53.92 | f | 56.47 | a | 50.24 | a | 48.10 | 39.15 | c | 33.50 | c | 41.75 | b | |||
1945 | 37.21 | l | 36.75 | 36.03 | 38.77 | 46.43 | a | 46.90 | 50.17 | a | 50.77 | 47.64 | b | 44.21 | g | 38.16 | k | 35.90 | a | 43.26 | c | |||||
1946 | 35.47 | a | 36.58 | b | 36.77 | 39.66 | a | 45.68 | 47.96 | c | 51.76 | b | 51.21 | c | 48.66 | a | 41.87 | 35.93 | b | 34.03 | b | 42.13 | ||||
1947 | 32.16 | 38.27 | b | 39.10 | a | 42.39 | b | 46.84 | 49.14 | h | ----- | z | 51.21 | g | 52.28 | e | 50.83 | g | 42.55 | h | 41.53 | a | 41.80 | e | ||
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.57 | 50.94 | 53.52 | 47.56 | c | 43.65 | 37.62 | a | 32.26 | 45.30 | e | |||||
1949 | 26.58 | 31.96 | 38.29 | 42.38 | a | 45.35 | 46.50 | 49.29 | 51.59 | b | 49.90 | a | 41.26 | 43.64 | b | 34.53 | a | 41.77 | ||||||||
1950 | 22.26 | 34.93 | 36.68 | 38.37 | 40.84 | 49.77 | 50.83 | a | 52.16 | 48.73 | 45.03 | a | 39.87 | 41.45 | 41.74 | |||||||||||
1951 | 33.29 | 35.68 | 33.59 | b | 39.73 | 43.42 | 49.04 | c | 51.79 | b | 50.52 | 49.17 | a | 45.23 | a | 39.50 | 32.97 | 41.99 | ||||||||
1952 | 33.00 | 36.24 | 36.68 | 39.50 | 44.03 | 46.90 | 51.13 | 52.23 | 50.73 | 47.30 | a | 37.40 | 37.23 | 42.70 | ||||||||||||
1953 | 40.94 | 36.07 | 37.50 | i | 39.93 | 44.23 | 47.87 | 51.48 | 53.13 | 50.40 | 46.77 | 41.97 | 38.16 | f | 45.28 | b | ||||||||||
1954 | 31.75 | g | 37.25 | 33.83 | a | 38.60 | 44.42 | 47.10 | 48.52 | 51.81 | 51.30 | 43.13 | a | 44.27 | 37.30 | a | 43.41 | a | ||||||||
1955 | 36.06 | 33.93 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.00 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.79 | 34.97 | 36.67 | 39.56 | 44.00 | 48.13 | 51.05 | 51.59 | 48.97 | 44.52 | 39.51 | 36.21 | 42.47 | |||||||||||||
S.D. | 3.78 | 2.69 | 2.10 | 1.72 | 1.70 | 1.62 | 1.63 | 1.83 | 1.68 | 2.18 | 2.79 | 2.37 | 1.01 | |||||||||||||
SKEW | -1.14 | -0.56 | 0.67 | 0.12 | -0.47 | 0.08 | 0.35 | 0.36 | 0.09 | -0.51 | -0.51 | -0.03 | 0.46 | |||||||||||||
MAX | 40.94 | 40.07 | 42.39 | 43.30 | 46.84 | 51.80 | 55.52 | 56.93 | 52.28 | 48.73 | 44.87 | 41.53 | 44.63 | |||||||||||||
MIN | 22.26 | 28.00 | 33.19 | 36.13 | 39.32 | 44.48 | 47.50 | 47.35 | 45.73 | 38.72 | 31.55 | 31.39 | 41.05 | |||||||||||||
YRS | 50 | 53 | 52 | 52 | 49 | 49 | 48 | 51 | 49 | 48 | 45 | 48 | 32 |