YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1898 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 66.07 | q | 58.03 | 40.58 | 29.97 | 27.58 | 39.04 | h | ||||
1899 | 26.77 | 28.54 | 34.19 | 44.23 | 45.29 | 58.00 | 68.90 | 64.77 | 65.73 | o | 42.61 | 32.93 | 28.29 | 43.14 | a | |||||||||||
1900 | 28.77 | 28.86 | 37.81 | 38.17 | 51.35 | 56.53 | 69.39 | 58.53 | p | 58.48 | g | 46.65 | 27.33 | x | 24.61 | 42.46 | c | |||||||||
1901 | 31.26 | 34.46 | ----- | z | 37.77 | d | 48.65 | e | 53.87 | 67.77 | 67.48 | 56.43 | 47.84 | 36.80 | 24.71 | 46.10 | a | |||||||||
1902 | 27.00 | 30.50 | 32.58 | 39.29 | b | 49.71 | 58.47 | 65.00 | 67.61 | 59.69 | a | 45.19 | 32.87 | 29.94 | 44.82 | |||||||||||
1903 | 27.74 | 28.41 | f | 35.90 | ----- | z | ----- | z | ----- | z | ----- | z | 67.17 | s | 56.90 | 40.90 | 31.03 | 24.13 | 36.10 | f | ||||||
1904 | 19.42 | 29.17 | 37.23 | 39.30 | 43.32 | 57.03 | 61.94 | 65.30 | d | 56.43 | i | 45.47 | a | 32.23 | d | 28.90 | 41.76 | a | ||||||||
1905 | 33.67 | d | 40.23 | b | 40.50 | a | 42.83 | 43.26 | 55.57 | 61.87 | 65.68 | 57.27 | o | 44.20 | a | 41.63 | 28.42 | 45.26 | a | |||||||
1906 | 26.52 | 35.39 | 35.94 | 40.77 | 46.65 | 51.41 | h | 66.74 | 64.06 | 54.14 | h | 38.81 | 35.33 | 33.23 | 42.34 | b | ||||||||||
1907 | 32.94 | 33.43 | 33.77 | 39.07 | ----- | z | 51.87 | 65.16 | 65.81 | 58.43 | 49.00 | d | 36.63 | 27.23 | 44.85 | a | ||||||||||
1908 | 27.63 | l | 33.66 | 34.55 | 40.40 | 42.59 | i | 50.13 | 64.10 | 64.65 | 54.90 | ----- | z | 33.52 | a | 30.41 | b | 45.15 | c | |||||||
1909 | 30.16 | 29.96 | 32.65 | 38.03 | 41.03 | 61.73 | ----- | z | ----- | z | 56.20 | 39.00 | 31.34 | a | 26.87 | 38.70 | b | |||||||||
1910 | 28.39 | 27.00 | 39.10 | 38.27 | 48.97 | 57.73 | 64.55 | 64.39 | 58.87 | ----- | z | 33.27 | 27.71 | 44.38 | a | |||||||||||
1911 | 31.32 | 33.00 | ----- | z | ----- | z | 48.68 | f | 56.50 | 66.61 | ----- | z | 61.83 | 44.70 | a | 32.28 | a | 24.07 | b | 43.79 | d | |||||
1912 | 25.48 | 27.76 | 39.00 | 38.23 | 47.23 | 60.55 | h | 65.07 | c | 65.06 | 52.23 | 46.20 | a | 31.67 | 25.45 | 42.13 | a | |||||||||
1913 | 24.00 | 32.68 | 33.81 | d | 42.15 | d | 48.29 | 56.77 | d | 65.77 | 65.97 | 57.53 | 41.06 | 42.90 | 30.55 | 45.12 | ||||||||||
1914 | 31.42 | 33.89 | a | 35.40 | u | 45.57 | 53.10 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.99 | h | |||
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 | 64.30 | 48.65 | 35.63 | 34.32 | 45.73 | h | ||||
1938 | 31.68 | 35.64 | 38.23 | 44.30 | 50.77 | 61.63 | 66.87 | 65.97 | 62.47 | 48.32 | 29.17 | 31.13 | 47.18 | |||||||||||||
1939 | 30.42 | 26.75 | 38.94 | 47.90 | 53.42 | 62.43 | 69.94 | 67.74 | 62.47 | 46.06 | 41.87 | 33.74 | 48.47 | |||||||||||||
1940 | 31.71 | 34.90 | 40.35 | 45.10 | 54.87 | 64.50 | 69.52 | 66.52 | 62.13 | 48.16 | 37.30 | 37.61 | 49.39 | |||||||||||||
1941 | 35.19 | 40.07 | 39.23 | 42.10 | 52.23 | 59.50 | 68.61 | 66.97 | 60.33 | 48.94 | 37.57 | 33.81 | 48.71 | |||||||||||||
1942 | 32.35 | 29.29 | 34.54 | e | 43.37 | 49.45 | 57.20 | 70.23 | 67.74 | 59.40 | 46.42 | 36.93 | 30.26 | 46.43 | ||||||||||||
1943 | 32.48 | 37.29 | 40.35 | 47.03 | 53.16 | 63.20 | 69.32 | 67.97 | 59.67 | 46.29 | 33.90 | 31.48 | 48.51 | |||||||||||||
1944 | 28.39 | 32.34 | 35.65 | 41.80 | 53.13 | 60.00 | 67.23 | 69.10 | 61.30 | 52.74 | 37.57 | 29.84 | 47.42 | |||||||||||||
1945 | ----- | z | 31.23 | b | 36.29 | 41.80 | 49.89 | d | 55.30 | 70.48 | 68.53 | a | 58.40 | 50.48 | 31.07 | 26.29 | 47.25 | a | ||||||||
1946 | 29.61 | 28.21 | 38.29 | 47.10 | 49.32 | 60.70 | 68.97 | 67.55 | 63.40 | 43.77 | 34.17 | a | 32.19 | 46.94 | ||||||||||||
1947 | 26.07 | a | 34.29 | 38.29 | 43.10 | 56.48 | 61.50 | 72.71 | 69.03 | 61.57 | 47.42 | 33.73 | 26.74 | 47.58 | ||||||||||||
1948 | 26.16 | 32.76 | 36.06 | 45.77 | 52.77 | 62.00 | 69.16 | 67.10 | 61.17 | 49.58 | 28.60 | 30.06 | 46.77 | |||||||||||||
1949 | 30.71 | 31.39 | ----- | z | 46.10 | 51.48 | 61.37 | 70.16 | 65.26 | 65.13 | 49.64 | q | ----- | z | 27.10 | u | 52.70 | d | ||||||||
1950 | 29.13 | 34.89 | 38.19 | 46.90 | 50.19 | 59.13 | 70.26 | 63.97 | 56.73 | 52.06 | 36.17 | 32.35 | e | 47.50 | ||||||||||||
1951 | ----- | z | 32.75 | 38.20 | a | 47.63 | 53.61 | 57.87 | 72.68 | 67.50 | a | 60.37 | 50.71 | 36.80 | 31.65 | 49.98 | a | |||||||||
1952 | 31.43 | a | 31.03 | 36.58 | 47.27 | 56.19 | 63.60 | 70.32 | 68.93 | a | 61.97 | 49.74 | 36.87 | 29.94 | 48.66 | |||||||||||
1953 | 29.26 | 30.43 | 41.35 | 46.37 | 49.16 | 63.50 | 72.68 | 67.57 | a | 58.57 | 47.97 | 38.20 | 25.33 | a | 47.53 | |||||||||||
1954 | 30.20 | a | 35.85 | a | 40.80 | a | 49.30 | 56.39 | 61.50 | 71.55 | 66.58 | 63.20 | 51.90 | a | 36.76 | a | 29.57 | a | 49.47 | |||||||
1955 | 30.10 | a | 26.71 | 37.41 | b | 42.93 | 52.57 | c | 60.28 | a | 67.94 | 69.23 | 59.07 | 51.07 | a | 34.79 | a | 31.55 | b | 46.97 | ||||||
1956 | 32.17 | a | 28.14 | a | 34.96 | c | 44.53 | 54.10 | 67.28 | a | 68.45 | 64.71 | 60.61 | b | 47.50 | a | 31.43 | 27.38 | b | 46.77 | ||||||
1957 | 35.25 | c | 41.42 | b | 40.77 | 44.37 | 51.42 | 64.97 | a | 70.94 | 68.55 | b | 57.90 | 50.57 | a | 34.79 | a | 30.39 | 49.28 | |||||||
1958 | 28.97 | a | 37.18 | 37.33 | a | 43.60 | 58.32 | 66.07 | b | 69.65 | 69.90 | 63.41 | a | 53.68 | 36.55 | a | 28.87 | 49.46 | ||||||||
1959 | 28.93 | b | 30.89 | 35.37 | a | 48.53 | 51.71 | 65.60 | 70.71 | 68.58 | 58.73 | 48.48 | 37.43 | b | 34.62 | e | 48.30 | |||||||||
1960 | 28.83 | b | 28.24 | 39.40 | a | 44.37 | 50.84 | 62.93 | 70.03 | b | 69.23 | a | 62.85 | c | 48.66 | b | 37.73 | 30.07 | b | 47.77 | ||||||
1961 | 31.30 | a | 32.70 | a | 38.50 | a | 43.86 | a | 51.23 | 64.57 | 69.58 | 68.32 | 59.00 | a | 45.90 | 36.52 | a | 34.86 | j | 49.23 | a | |||||
1962 | 29.71 | c | 36.52 | a | 34.03 | 48.60 | 51.52 | 59.17 | a | 70.00 | a | 67.10 | 64.53 | 49.77 | 39.64 | b | 34.04 | d | 48.72 | |||||||
1963 | 25.67 | a | 34.89 | a | 35.93 | c | 42.07 | 54.74 | 57.57 | 69.87 | 67.48 | 63.89 | b | 50.90 | a | 38.90 | a | 26.61 | 47.38 | |||||||
1964 | 21.00 | 22.03 | 34.23 | 44.04 | b | 51.87 | 60.67 | 69.87 | a | 66.90 | b | 60.83 | 49.94 | 34.21 | b | 29.64 | i | 46.87 | a | |||||||
1965 | 31.25 | c | 29.75 | 35.23 | a | 44.13 | 49.48 | 56.57 | 69.93 | a | 67.39 | 59.37 | 45.00 | a | 39.80 | 34.17 | a | 46.84 | ||||||||
1966 | 26.87 | a | 28.85 | a | 37.33 | d | 45.37 | 55.55 | 61.90 | 71.20 | a | 69.42 | 62.90 | 47.39 | 40.07 | 28.71 | 47.96 | |||||||||
1967 | 24.42 | 32.79 | 41.58 | e | 43.23 | 51.00 | a | 61.20 | 71.48 | 67.52 | 62.58 | f | 48.45 | 39.25 | b | 29.60 | f | 48.09 | b | |||||||
1968 | 31.39 | c | 39.67 | b | 39.67 | a | 42.68 | e | 51.06 | 62.37 | 68.29 | 64.84 | 57.77 | 46.90 | 36.61 | b | 24.77 | a | 47.17 | |||||||
1969 | 34.03 | 32.21 | 33.90 | 45.87 | 53.97 | 61.80 | 71.93 | a | 71.39 | 63.43 | 46.57 | a | 37.83 | 33.90 | a | 48.90 | ||||||||||
1970 | 27.48 | 32.89 | 36.19 | 39.17 | 53.74 | 65.90 | 71.50 | a | 69.70 | a | 61.77 | d | 43.81 | 34.00 | e | 29.10 | a | 47.10 | ||||||||
1971 | 26.32 | 30.43 | 35.35 | 42.63 | 51.36 | c | 61.20 | 72.36 | f | 68.48 | f | 61.87 | 47.97 | b | 37.37 | 30.21 | b | 42.47 | b | |||||||
1972 | 26.86 | b | 28.83 | 41.55 | 42.13 | 50.97 | 62.00 | 71.32 | 68.10 | 61.03 | a | 53.03 | 33.93 | a | 27.63 | a | 47.28 | |||||||||
1973 | 28.13 | 32.64 | 35.81 | d | 37.90 | i | 52.38 | g | 60.30 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.20 | i | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 29.15 | 32.24 | 37.14 | 43.45 | 51.17 | 60.24 | 68.86 | 67.18 | 60.27 | 47.29 | 35.55 | 29.59 | 47.68 | |||||||||||||
S.D. | 3.27 | 3.90 | 2.49 | 3.12 | 3.51 | 3.72 | 2.65 | 1.76 | 2.76 | 3.52 | 3.29 | 3.20 | 1.16 | |||||||||||||
SKEW | -0.62 | 0.20 | 0.08 | -0.16 | -0.70 | -0.47 | -0.91 | -0.03 | -0.50 | -0.55 | -0.01 | 0.19 | -0.42 | |||||||||||||
MAX | 35.25 | 41.42 | 41.58 | 49.30 | 58.32 | 67.28 | 72.71 | 71.39 | 65.13 | 53.68 | 42.90 | 37.61 | 49.47 | |||||||||||||
MIN | 19.42 | 22.03 | 32.58 | 37.77 | 41.03 | 50.13 | 61.87 | 63.97 | 52.23 | 38.81 | 28.60 | 24.07 | 44.82 | |||||||||||||
YRS | 49 | 51 | 48 | 49 | 47 | 47 | 47 | 45 | 46 | 49 | 50 | 48 | 30 |