YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 28.18 | 39.82 | 48.71 | 53.60 | 57.13 | 56.26 | 52.80 | 41.66 | 35.22 | 26.55 | 43.99 | b | ||||||||||
1898 | 23.48 | 28.41 | 31.24 | 41.77 | 46.00 | 54.57 | 60.26 | 57.85 | 50.53 | 41.15 | 31.05 | 21.60 | 40.66 | |||||||||||||
1899 | 22.88 | c | 22.81 | a | ----- | z | 41.53 | 45.95 | 53.53 | 59.45 | 57.23 | 52.20 | 41.65 | 34.90 | 29.84 | 42.00 | a | |||||||||
1900 | 30.76 | 29.86 | 35.82 | 37.77 | j | 49.93 | a | 57.86 | a | 59.97 | 58.79 | 52.92 | 43.23 | 36.28 | 28.23 | 43.97 | a | |||||||||
1901 | 28.73 | c | 29.16 | 32.55 | a | 35.56 | n | 50.33 | y | 53.00 | s | 60.42 | s | 61.53 | o | 49.85 | q | ----- | z | 36.62 | a | 29.82 | 31.38 | g | ||
1902 | 28.25 | m | 30.69 | d | 29.76 | 43.30 | 47.84 | 57.60 | a | 56.92 | a | 58.88 | e | 51.18 | 43.33 | a | 34.33 | 28.55 | b | 43.85 | a | |||||
1903 | 26.75 | a | 21.07 | a | 31.95 | 39.34 | b | 45.00 | b | 52.16 | a | 57.94 | 58.34 | 48.63 | 43.10 | g | 36.48 | b | 27.21 | e | 40.44 | a | ||||
1904 | 23.17 | b | 33.23 | a | 36.85 | e | 41.00 | b | 47.62 | e | 52.89 | h | 57.53 | n | 58.60 | ----- | z | ----- | z | ----- | z | 26.89 | c | 38.19 | e | |
1905 | ----- | z | 28.57 | 35.89 | 37.60 | 46.31 | 55.47 | 56.47 | 58.63 | e | 53.44 | f | ----- | z | 34.38 | b | 24.00 | a | 41.92 | c | ||||||
1906 | 28.86 | c | 30.25 | d | 35.34 | c | 43.12 | j | ----- | z | 55.85 | m | 59.29 | q | 56.24 | d | 49.04 | r | 42.02 | 33.34 | b | 30.89 | l | 37.67 | f | |
1907 | 28.16 | 35.11 | 39.21 | 40.69 | a | 41.00 | e | 51.39 | b | 57.98 | d | 58.02 | 50.24 | a | 45.05 | k | 29.93 | o | 26.43 | k | 44.64 | c | ||||
1908 | 26.26 | l | 27.78 | k | 35.02 | h | 39.33 | a | 43.24 | 55.83 | d | 56.86 | i | 56.73 | 53.68 | ----- | z | 31.14 | b | 33.26 | b | 44.74 | e | |||
1909 | 32.80 | c | 26.19 | a | 30.11 | 37.63 | 44.43 | d | 57.58 | 63.19 | 62.90 | ----- | z | 42.66 | b | 36.88 | 22.65 | a | 41.55 | a | ||||||
1910 | 26.55 | c | 25.32 | f | 39.02 | i | 41.76 | g | 47.77 | k | ----- | z | 61.73 | 60.88 | j | ----- | z | 37.96 | s | 34.27 | 27.62 | r | 40.85 | i | ||
1911 | 35.75 | w | 26.71 | 36.05 | l | 39.85 | 47.34 | ----- | z | 57.88 | s | 58.33 | y | ----- | z | 37.78 | v | 28.22 | n | 19.67 | e | 33.39 | h | |||
1912 | 25.90 | 25.46 | b | 32.60 | b | 32.31 | a | 41.29 | 46.48 | e | ----- | z | 57.63 | a | 49.75 | 43.12 | b | 35.15 | 27.42 | a | 37.92 | a | ||||
1913 | 27.73 | 28.52 | a | 30.61 | 40.09 | b | 49.35 | a | 52.97 | a | 56.31 | b | 56.47 | 48.95 | 42.21 | 38.68 | b | 24.28 | b | 41.35 | ||||||
1914 | 32.61 | c | 26.56 | b | 33.60 | 39.95 | 47.22 | a | 55.52 | c | 56.93 | b | 56.02 | e | 52.81 | d | 41.14 | c | 37.69 | f | 22.66 | 42.27 | a | |||
1915 | 23.29 | 27.09 | a | 27.32 | 40.38 | a | 43.98 | 55.00 | a | 57.85 | 55.02 | 50.04 | b | 43.61 | 34.50 | 27.88 | a | 40.50 | ||||||||
1916 | 27.61 | 32.88 | c | 36.42 | 38.71 | a | 47.82 | a | 55.37 | 57.87 | 56.26 | 51.20 | 43.76 | 33.98 | 26.20 | i | 43.81 | a | ||||||||
1917 | 24.47 | a | 27.39 | a | 29.00 | 37.63 | d | 41.63 | 56.98 | a | 60.34 | 57.97 | 54.92 | 47.82 | 37.32 | 32.84 | 42.36 | |||||||||
1918 | 22.13 | 30.07 | 35.11 | 36.67 | 45.39 | 57.75 | 61.53 | 60.15 | a | 52.75 | 44.76 | 30.47 | 24.73 | a | 41.79 | |||||||||||
1919 | 23.26 | 23.19 | a | 29.35 | 39.82 | 47.08 | 51.57 | a | 58.39 | 58.29 | 52.77 | 40.08 | 34.38 | 32.53 | 40.89 | |||||||||||
1920 | 30.53 | 31.97 | 29.71 | 34.00 | a | 45.66 | 52.55 | 58.56 | 56.71 | 50.50 | 38.53 | 31.52 | a | 25.62 | a | 40.49 | ||||||||||
1921 | 29.62 | b | 29.00 | 36.45 | a | 37.83 | d | 45.34 | 54.00 | 59.19 | 58.03 | 53.24 | a | 45.55 | 38.13 | 35.80 | d | 43.52 | ||||||||
1922 | 25.02 | 30.09 | 32.24 | 40.67 | 48.95 | 57.33 | 62.05 | 61.15 | 55.28 | 44.58 | 32.37 | 31.24 | 43.41 | |||||||||||||
1923 | 30.88 | a | 27.52 | 31.27 | 40.83 | 49.95 | 57.42 | 61.37 | 59.71 | 51.28 | 40.47 | b | 34.88 | 29.16 | 42.90 | |||||||||||
1924 | 24.92 | 32.28 | b | 27.95 | 38.69 | a | 47.71 | 58.59 | a | 59.71 | c | 59.19 | 53.47 | 45.24 | 38.03 | a | 23.47 | b | 42.44 | |||||||
1925 | 24.56 | 32.52 | 37.55 | 43.02 | 52.12 | b | 55.45 | 61.08 | 57.08 | 52.43 | 44.27 | a | 34.05 | 28.53 | 43.56 | |||||||||||
1926 | 23.19 | 31.70 | 31.89 | 39.45 | 46.00 | a | 54.33 | 57.42 | 58.73 | 54.88 | 46.85 | 37.53 | a | 28.52 | a | 42.54 | ||||||||||
1927 | 33.08 | a | 32.71 | d | 33.94 | 41.07 | 50.24 | b | 54.50 | 60.73 | 57.28 | a | 53.66 | a | 44.78 | m | 41.84 | a | 25.36 | b | 44.04 | a | ||||
1928 | 27.23 | t | 27.68 | a | 36.34 | 37.15 | 48.03 | a | 54.86 | a | 59.02 | 57.32 | 53.03 | 46.53 | 34.55 | b | 29.28 | d | 43.98 | a | ||||||
1929 | 26.35 | 23.04 | c | 31.88 | a | 39.64 | a | 47.81 | 55.62 | 59.84 | 58.15 | a | 53.38 | 42.60 | 31.18 | 32.43 | a | 41.83 | ||||||||
1930 | 22.32 | 33.93 | 31.74 | 44.15 | 45.61 | h | 57.07 | 58.97 | a | 58.77 | 52.54 | b | 43.53 | 34.67 | a | 26.10 | 42.16 | a | ||||||||
1931 | 28.11 | 30.05 | 31.42 | 40.75 | 47.00 | 57.45 | b | 61.18 | 59.05 | 55.50 | 46.83 | a | 33.17 | a | 29.17 | a | 43.31 | |||||||||
1932 | 21.85 | a | 32.28 | 32.70 | a | 40.88 | 47.34 | 53.80 | c | 59.92 | 60.13 | 51.44 | c | 43.11 | 38.43 | a | 24.82 | 42.23 | ||||||||
1933 | 25.92 | a | 22.85 | b | 35.18 | 36.97 | a | 45.74 | b | 57.20 | 61.32 | 59.56 | 57.70 | 47.23 | 38.91 | a | 36.23 | a | 43.73 | |||||||
1934 | 28.53 | 34.73 | b | 39.24 | 44.72 | a | 52.55 | 56.40 | ----- | z | 60.71 | 52.62 | 47.11 | 36.41 | a | 30.05 | 43.92 | a | ||||||||
1935 | 32.08 | 28.91 | a | 34.18 | 40.15 | 43.52 | 55.50 | 60.24 | 60.50 | 53.78 | 44.58 | a | 35.20 | 27.56 | 43.02 | |||||||||||
1936 | 26.68 | 28.83 | 35.90 | 41.32 | 49.05 | 59.80 | 62.61 | 60.15 | 53.83 | f | 44.04 | c | 35.70 | 29.02 | 43.01 | a | ||||||||||
1937 | 19.93 | b | 28.52 | a | 28.84 | 39.53 | 48.96 | h | 48.75 | x | ----- | z | 62.62 | b | 56.00 | 45.90 | 35.45 | 26.73 | a | 38.17 | c | |||||
1938 | 26.16 | f | 29.77 | 34.88 | g | 40.11 | c | 45.02 | d | 57.52 | f | 60.93 | c | 60.03 | o | 53.38 | b | 47.08 | e | 29.59 | a | 27.98 | e | 41.73 | d | |
1939 | 21.76 | b | 17.16 | 33.19 | j | 38.58 | k | 47.45 | c | 56.04 | d | 58.47 | n | ----- | z | 53.54 | d | 40.23 | 34.98 | a | ----- | z | 38.74 | e | ||
1940 | ----- | z | ----- | z | ----- | z | 40.78 | a | 48.45 | 56.22 | 60.55 | 59.11 | q | 53.27 | h | 45.50 | 32.88 | ----- | z | 47.40 | f | |||||
1941 | ----- | z | ----- | z | ----- | z | 35.66 | a | 51.15 | 55.09 | a | 58.23 | 58.73 | a | 52.33 | 45.07 | a | 36.19 | c | ----- | z | 49.05 | d | |||
1942 | ----- | z | ----- | z | ----- | z | 40.91 | a | 47.10 | a | 57.53 | 59.43 | c | 58.58 | 52.28 | 44.65 | 38.52 | i | ----- | z | 51.50 | e | ||||
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 55.70 | g | 58.95 | 61.05 | 53.82 | m | ----- | z | ----- | z | ----- | z | 60.00 | j | ||
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.72 | l | 59.58 | a | 59.76 | 55.05 | 45.40 | ----- | z | ----- | z | 54.95 | h | |||
1945 | ----- | z | ----- | z | ----- | z | 37.23 | q | 48.73 | 52.88 | 59.55 | 60.69 | 53.57 | 47.32 | 36.10 | ----- | z | 51.26 | e | |||||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | 45.84 | 58.57 | 59.47 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.62 | i | |||
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 | 28.85 | f | 29.54 | h | ----- | z |
1949 | 22.32 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.22 | m | 42.44 | d | 29.32 | i | 42.44 | k |
1950 | 29.96 | e | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 29.96 | k |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 56.29 | d | 60.65 | a | 57.52 | 53.57 | 47.11 | 35.20 | 27.77 | 48.30 | e | |||||
1955 | 21.02 | 20.77 | 32.24 | 37.40 | a | 45.58 | a | 52.85 | 57.79 | 56.98 | 52.92 | 43.16 | 32.68 | 28.72 | a | 40.18 | ||||||||||
1956 | 29.23 | 23.03 | 34.31 | 37.58 | 49.90 | a | 57.40 | 56.26 | 54.84 | 51.73 | 44.02 | 27.98 | 23.95 | 40.85 | ||||||||||||
1957 | 26.55 | 30.59 | 29.69 | 36.80 | 42.23 | 52.52 | 59.37 | 55.89 | 48.91 | c | 39.37 | 25.16 | a | 25.79 | 39.40 | |||||||||||
1958 | 21.71 | 28.68 | 25.19 | 35.38 | 47.21 | 55.40 | 57.68 | 57.47 | 49.78 | 39.68 | 30.95 | 27.06 | 39.68 | |||||||||||||
1959 | 23.44 | 21.43 | 27.00 | d | 40.02 | 47.19 | 55.87 | 59.16 | 59.82 | 51.02 | 42.15 | 32.67 | 26.66 | 40.53 | ||||||||||||
1960 | 17.74 | b | 18.70 | a | 30.89 | 39.77 | 45.89 | 55.53 | 56.47 | a | 56.65 | 51.45 | 39.77 | 33.03 | 23.30 | a | 39.10 | |||||||||
1961 | 22.02 | 24.36 | 29.83 | a | 35.18 | 45.05 | 54.71 | a | 59.48 | a | 58.23 | 51.82 | s | ----- | z | 32.22 | u | 23.85 | 39.19 | c | ||||||
1962 | 21.73 | a | ----- | z | 31.88 | n | ----- | z | ----- | z | 54.84 | a | 58.44 | 58.15 | ----- | z | ----- | z | ----- | z | ----- | z | 48.29 | h | ||
1963 | 18.97 | 27.82 | 29.11 | 39.35 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.81 | h | ||||
1964 | 20.30 | a | 17.43 | a | 24.95 | 35.65 | 46.32 | 53.70 | b | 57.41 | d | 53.95 | 49.91 | b | 40.39 | ----- | z | ----- | z | 40.00 | b | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 25.68 | 27.79 | 32.23 | 39.26 | 46.81 | 55.26 | 59.27 | 58.29 | 52.46 | 43.62 | 34.63 | 27.50 | 41.68 | |||||||||||||
S.D. | 3.92 | 4.44 | 3.48 | 2.48 | 2.55 | 2.31 | 1.71 | 1.85 | 1.96 | 2.48 | 3.16 | 3.53 | 1.43 | |||||||||||||
SKEW | 0.12 | -0.64 | 0.03 | -0.41 | -0.16 | -1.02 | 0.11 | 0.18 | 0.14 | -0.14 | -0.24 | 0.34 | -0.16 | |||||||||||||
MAX | 33.08 | 35.11 | 39.24 | 44.72 | 52.55 | 59.80 | 63.19 | 62.90 | 57.70 | 47.82 | 42.44 | 36.23 | 43.73 | |||||||||||||
MIN | 17.74 | 17.16 | 24.95 | 32.31 | 41.00 | 46.48 | 56.26 | 53.95 | 48.63 | 38.53 | 25.16 | 19.67 | 39.10 | |||||||||||||
YRS | 47 | 49 | 46 | 50 | 51 | 51 | 51 | 53 | 47 | 47 | 50 | 46 | 24 |