YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1889 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1890 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1891 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1892 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | 34.69 | w | 34.16 | 42.56 | d | 48.91 | b | 56.97 | b | 64.35 | 69.66 | 67.91 | b | 61.52 | 47.83 | k | 34.64 | a | 24.05 | 50.47 | b | |||||
1912 | 21.58 | 34.93 | 37.35 | 44.91 | a | 55.98 | 66.13 | 69.93 | b | 71.48 | 58.52 | a | ----- | z | ----- | z | ----- | z | 51.20 | c | ||||||
1913 | ----- | z | ----- | z | ----- | z | 48.50 | m | 59.36 | b | 67.36 | b | 71.65 | e | 72.96 | r | ----- | z | ----- | z | 40.40 | o | 23.27 | c | 55.41 | h |
1914 | 20.32 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 65.06 | w | 61.08 | 50.55 | 39.56 | d | 20.63 | d | 42.95 | h | ||
1915 | 17.19 | b | 25.19 | d | 38.52 | e | 54.29 | b | 53.74 | 63.38 | 69.53 | 70.47 | 60.36 | a | 52.23 | r | ----- | z | ----- | z | 50.30 | c | ||||
1916 | 14.47 | p | 23.03 | ----- | z | ----- | z | 53.16 | 65.77 | 69.73 | 66.44 | 60.00 | j | ----- | z | ----- | z | ----- | z | 55.62 | g | |||||
1917 | ----- | z | 31.33 | e | 32.74 | 46.58 | 51.27 | 66.25 | 77.19 | 71.81 | 63.75 | 52.94 | ----- | z | ----- | z | 54.87 | c | ||||||||
1918 | ----- | z | ----- | z | ----- | z | ----- | z | 53.93 | a | 72.55 | a | 70.69 | e | ----- | z | ----- | z | ----- | z | 28.44 | u | ----- | z | 65.73 | i |
1919 | 18.85 | a | 23.88 | 37.02 | 48.42 | x | 66.46 | r | 69.50 | ----- | z | ----- | z | 58.60 | t | 42.68 | c | 33.03 | 21.46 | d | 35.20 | e | ||||
1920 | 20.10 | 32.41 | 36.23 | 40.87 | 57.59 | b | 64.55 | 71.77 | 68.21 | 61.03 | k | 54.00 | 44.26 | m | 27.93 | a | 47.37 | b | ||||||||
1921 | 23.42 | 34.95 | 41.61 | 44.15 | 55.47 | 66.77 | 70.94 | 66.76 | 59.25 | 54.71 | b | 37.75 | 31.13 | 48.91 | ||||||||||||
1922 | 17.77 | 24.39 | 35.42 | 41.87 | 56.10 | a | 67.00 | 71.65 | 70.48 | d | 63.27 | 46.05 | 32.07 | 26.69 | 46.06 | |||||||||||
1923 | 25.50 | 23.07 | e | 35.25 | a | 45.28 | 57.35 | 62.20 | ----- | z | ----- | z | 56.33 | g | 45.21 | 37.35 | 25.00 | 39.58 | c | |||||||
1924 | 17.16 | ----- | z | ----- | z | 43.45 | 58.69 | 64.22 | g | 73.43 | c | 68.26 | 61.62 | d | 53.93 | a | 39.50 | 18.21 | 48.25 | c | ||||||
1925 | 10.94 | 35.29 | ----- | z | ----- | z | 65.80 | u | 64.27 | 73.90 | 69.06 | 60.02 | 49.22 | a | 35.90 | 30.32 | 47.66 | c | ||||||||
1926 | 27.89 | 35.11 | 42.40 | 53.47 | 59.47 | 68.92 | 71.42 | 70.95 | 62.27 | f | 54.18 | 39.53 | 24.69 | b | 49.82 | a | ||||||||||
1927 | 26.21 | e | 33.18 | 41.55 | 48.82 | k | 56.98 | 66.50 | 72.39 | 67.82 | 60.23 | 51.43 | a | 40.38 | 23.66 | 49.12 | a | |||||||||
1928 | 28.79 | 33.38 | 42.40 | 45.80 | 60.13 | 62.32 | 70.10 | 68.58 | 61.42 | 51.03 | a | 37.12 | 23.40 | a | 48.71 | |||||||||||
1929 | 21.13 | a | 25.18 | 37.90 | 44.62 | 56.66 | 63.63 | 72.42 | 71.89 | 59.77 | 51.63 | 33.87 | 28.76 | 47.29 | ||||||||||||
1930 | 13.97 | 30.55 | 39.69 | 52.93 | 53.76 | 66.22 | 72.97 | 69.90 | 59.57 | 48.21 | 35.73 | 24.40 | 47.33 | |||||||||||||
1931 | 25.66 | 36.29 | 38.21 | 49.87 | 56.73 | 68.55 | 76.53 | a | 72.50 | 63.58 | 52.39 | 33.22 | 18.87 | a | 49.37 | |||||||||||
1932 | 13.85 | a | 29.80 | a | 38.15 | 47.73 | 56.77 | 65.33 | 72.92 | 69.98 | 63.93 | a | 48.47 | 37.25 | 19.38 | a | 46.96 | |||||||||
1933 | 17.53 | a | 14.32 | 39.92 | 44.13 | 51.77 | 69.28 | 75.53 | 71.21 | 64.62 | 55.02 | 38.50 | 31.00 | a | 47.74 | |||||||||||
1934 | 31.76 | 40.79 | 46.56 | 55.27 | 64.79 | 65.93 | 76.73 | 74.69 | 61.18 | b | 51.55 | 38.08 | 30.95 | 53.19 | ||||||||||||
1935 | 29.39 | 36.70 | e | 37.43 | a | 45.28 | 53.65 | 68.05 | 73.52 | 71.77 | 65.23 | 50.11 | 35.52 | a | 26.97 | 49.47 | ||||||||||
1936 | 23.87 | 31.95 | a | 41.06 | 51.92 | 61.55 | 70.17 | 73.05 | 71.31 | ----- | z | ----- | z | 38.62 | q | 27.60 | a | 50.27 | c | |||||||
1937 | 6.08 | e | 20.27 | 37.52 | f | 44.96 | q | 62.18 | q | 63.92 | q | 72.26 | l | 74.37 | l | 59.75 | r | 52.58 | 38.57 | 31.48 | 29.80 | g | ||||
1938 | 26.86 | b | 32.45 | 38.97 | a | 48.50 | b | 55.11 | d | 69.39 | g | 73.50 | h | 72.88 | j | 64.35 | d | 50.21 | e | 29.86 | a | 28.59 | b | 41.65 | c | |
1939 | 24.44 | 16.11 | 39.06 | 51.22 | a | 60.42 | e | 64.84 | a | ----- | z | 73.07 | b | 62.95 | 49.95 | b | 41.72 | a | 32.66 | 46.95 | a | |||||
1940 | 22.44 | d | 32.30 | a | 40.09 | n | 50.06 | n | 64.81 | o | 72.67 | c | 73.12 | o | 74.13 | h | 62.79 | f | 54.10 | k | 33.31 | n | 28.21 | b | 38.91 | h |
1941 | 21.59 | d | 30.17 | d | 41.24 | b | 43.46 | b | 58.29 | 56.50 | v | 71.50 | h | 69.93 | a | 58.87 | 47.93 | c | 37.69 | d | 30.68 | c | 43.99 | b | ||
1942 | 23.98 | a | 27.02 | 35.55 | a | 48.85 | d | 54.63 | 67.78 | 73.60 | b | 71.03 | a | 61.39 | b | 55.24 | 25.42 | x | ----- | z | 51.91 | b | ||||
1943 | 26.25 | k | ----- | z | ----- | z | ----- | z | 49.17 | v | 66.40 | d | 75.00 | b | 71.85 | a | 67.42 | 53.97 | b | 39.10 | a | 31.32 | 57.87 | e | ||
1944 | 23.62 | a | 28.00 | a | 37.87 | 46.47 | 58.87 | a | 62.77 | 73.55 | b | 72.63 | a | 66.45 | b | 55.00 | a | 38.55 | 31.15 | a | 49.58 | |||||
1945 | 30.50 | 35.46 | 38.53 | 45.07 | 59.65 | a | 63.87 | c | 74.32 | 73.00 | 62.50 | 52.52 | a | 35.15 | 23.26 | 49.49 | ||||||||||
1946 | 22.66 | 30.04 | d | 42.74 | 56.07 | 57.16 | 69.75 | d | 75.68 | 72.60 | 65.33 | 46.91 | b | 36.28 | a | 33.55 | a | 50.73 | ||||||||
1947 | 25.74 | 36.28 | c | 43.42 | 48.95 | 62.67 | a | 63.87 | 75.13 | 71.13 | 67.18 | 62.38 | w | 32.74 | c | 29.02 | 50.56 | a | ||||||||
1948 | 28.53 | 29.00 | 34.26 | 49.10 | 60.23 | 67.22 | 74.06 | 72.42 | 67.45 | 51.12 | e | 33.52 | a | 25.08 | 49.33 | |||||||||||
1949 | 16.92 | 20.02 | b | 41.18 | 54.12 | 58.76 | 63.54 | b | 74.31 | b | 72.45 | b | 65.98 | 47.82 | c | 43.45 | 23.56 | 48.51 | ||||||||
1950 | 17.58 | a | 30.50 | a | 39.41 | b | 51.18 | 56.15 | 67.42 | 69.66 | 71.10 | a | 62.66 | a | 56.45 | c | 41.00 | e | 34.08 | g | 51.19 | a | ||||
1951 | 27.53 | b | 31.96 | 38.94 | d | 49.91 | c | 59.07 | b | 64.17 | c | 76.90 | a | 71.70 | a | 65.18 | b | 50.27 | a | 33.62 | a | 20.76 | 49.17 | |||
1952 | 19.84 | 25.62 | a | 32.40 | 52.02 | 61.10 | 67.82 | 74.88 | a | 72.74 | 65.92 | 55.92 | a | 35.22 | 23.81 | b | 48.94 | |||||||||
1953 | 28.02 | a | 31.82 | 42.28 | b | 47.75 | 52.63 | e | 72.53 | k | 76.55 | 70.55 | b | 66.62 | 52.58 | 40.26 | a | 27.40 | 48.77 | a | ||||||
1954 | 30.45 | 40.55 | 38.68 | a | 54.35 | 63.13 | 67.70 | 76.90 | 71.29 | 64.38 | b | 53.53 | a | 42.45 | 25.38 | c | 52.40 | |||||||||
1955 | 17.62 | e | 17.11 | 35.26 | 46.62 | 57.93 | b | 66.00 | 74.73 | a | 73.94 | 66.08 | 53.25 | a | 35.09 | b | 30.79 | b | 47.87 | |||||||
1956 | 33.10 | a | 28.17 | 42.13 | 49.95 | a | 61.32 | 72.05 | b | 74.77 | 70.39 | 67.67 | 52.44 | 32.87 | c | 26.29 | 50.93 | |||||||||
1957 | 24.38 | b | 33.85 | a | 42.88 | e | 47.19 | c | 54.65 | d | 68.48 | f | 73.42 | g | ----- | z | 63.10 | y | 49.48 | 33.68 | 29.34 | 39.43 | d | |||
1958 | 28.79 | 37.29 | 35.85 | 44.77 | 60.03 | a | 67.35 | 70.71 | 73.68 | 62.58 | 52.84 | 36.77 | 33.75 | a | 50.37 | |||||||||||
1959 | 27.40 | 32.73 | 38.92 | 48.77 | 54.90 | 69.33 | 73.73 | a | 70.58 | 62.33 | 52.18 | 38.11 | b | 30.50 | b | 49.96 | ||||||||||
1960 | 19.61 | c | 23.19 | 40.10 | 50.80 | 57.35 | 67.85 | 74.11 | 71.16 | 64.15 | 51.56 | 39.38 | 31.71 | 49.25 | ||||||||||||
1961 | 28.93 | a | 33.36 | 38.17 | d | 46.13 | 56.78 | b | 69.75 | 73.55 | 71.66 | b | 55.41 | a | 47.81 | 33.55 | b | 23.47 | 48.21 | |||||||
1962 | 24.50 | a | 32.19 | d | 34.55 | 52.23 | 54.98 | b | 66.17 | 71.39 | 69.61 | 61.40 | e | 52.47 | a | 42.30 | 29.81 | 49.30 | ||||||||
1963 | 16.30 | a | 37.95 | 36.47 | a | 45.18 | 60.23 | 63.68 | 73.66 | 70.02 | 64.37 | 55.31 | 39.08 | 25.97 | b | 49.02 | ||||||||||
1964 | 23.27 | 27.57 | b | 30.35 | 45.00 | ----- | z | 63.15 | ----- | z | 68.90 | 60.80 | 53.52 | a | 32.60 | 23.85 | 42.90 | b | ||||||||
1965 | 31.52 | ----- | z | 37.36 | b | ----- | z | ----- | z | 62.02 | 69.84 | 68.52 | 54.77 | 53.58 | 41.34 | a | 26.90 | 49.54 | c | |||||||
1966 | 22.62 | w | 25.54 | 39.10 | b | 48.55 | 58.71 | 63.41 | b | 73.03 | 70.12 | e | 60.74 | e | 51.40 | e | 39.65 | 26.16 | 50.58 | a | ||||||
1967 | 21.95 | a | 30.71 | 39.94 | 41.67 | 52.82 | 61.19 | a | 73.35 | a | 71.33 | b | 62.71 | b | 51.08 | 42.39 | b | 17.80 | f | 49.92 | a | |||||
1968 | 15.90 | b | 32.54 | b | 40.63 | a | ----- | z | 53.27 | a | ----- | z | 73.67 | b | 67.27 | ----- | z | ----- | z | ----- | z | ----- | z | 47.21 | f | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 22.85 | 29.99 | 38.74 | 48.16 | 57.25 | 66.33 | 73.22 | 70.74 | 62.75 | 51.50 | 37.13 | 26.79 | 49.16 | |||||||||||||
S.D. | 5.80 | 6.00 | 3.18 | 3.85 | 3.09 | 2.78 | 2.19 | 1.88 | 3.00 | 2.94 | 3.28 | 3.99 | 1.57 | |||||||||||||
SKEW | -0.50 | -0.67 | -0.25 | 0.21 | 0.16 | 0.33 | -0.05 | -0.35 | -0.44 | -0.76 | -0.05 | -0.24 | 0.56 | |||||||||||||
MAX | 33.10 | 40.79 | 46.56 | 56.07 | 64.79 | 72.67 | 77.19 | 74.69 | 67.67 | 56.45 | 43.45 | 33.75 | 53.19 | |||||||||||||
MIN | 6.08 | 14.32 | 30.35 | 40.87 | 51.27 | 61.19 | 69.53 | 66.44 | 54.77 | 42.68 | 29.86 | 18.21 | 46.06 | |||||||||||||
YRS | 50 | 52 | 49 | 46 | 50 | 50 | 48 | 49 | 46 | 48 | 47 | 49 | 26 |