YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1893 | ----- | z | 41.61 | 48.32 | 59.67 | 68.68 | 83.73 | 86.68 | 82.16 | ----- | z | ----- | z | ----- | z | ----- | z | 67.26 | e | |||||||
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 | 64.45 | 81.50 | 87.81 | 83.81 | 78.53 | 70.81 | 54.73 | 45.10 | a | 70.84 | d | |||||||
1911 | 45.74 | 39.11 | 57.39 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 28.31 | e | 42.64 | h | |||
1912 | 36.38 | b | 40.62 | e | 36.61 | 57.82 | b | 69.17 | a | 75.60 | 81.45 | 82.19 | 66.67 | c | 61.93 | b | 52.55 | a | 41.20 | a | 58.52 | |||||
1913 | 37.89 | c | 30.33 | a | 47.55 | 63.07 | a | 69.97 | a | 79.77 | 86.17 | b | 88.55 | b | 71.83 | 58.90 | 56.45 | a | 30.35 | 60.07 | ||||||
1914 | 39.74 | 35.89 | 51.04 | c | 55.41 | a | 67.93 | a | 80.77 | 86.17 | b | 85.03 | b | 80.24 | a | 66.27 | a | 58.86 | a | 34.90 | a | 61.86 | ||||
1915 | 40.83 | a | 47.12 | c | 39.80 | a | 61.43 | b | 63.35 | 69.90 | 80.31 | b | 78.59 | b | 73.76 | a | 66.14 | b | 52.64 | b | 46.80 | a | 60.06 | |||
1916 | 30.62 | b | 47.15 | c | 57.58 | 59.29 | b | 68.50 | a | 78.03 | 90.33 | a | 81.53 | a | 76.17 | a | 58.58 | 47.76 | a | 35.27 | a | 60.90 | ||||
1917 | 39.42 | 43.00 | 44.40 | a | 55.48 | a | 58.65 | e | 78.38 | a | 88.07 | a | 79.85 | d | 79.97 | a | 65.33 | a | 58.32 | b | 43.61 | 61.21 | ||||
1918 | 32.03 | a | 44.30 | a | 58.20 | a | 50.76 | a | 70.39 | 85.97 | a | 83.10 | b | 85.13 | 70.33 | c | 66.64 | c | 46.56 | c | 40.46 | c | 61.16 | |||
1919 | 47.07 | b | 41.00 | 50.16 | 59.62 | a | 70.93 | b | 83.50 | 87.23 | 86.67 | a | 76.97 | 56.41 | b | ----- | z | 36.52 | b | 63.28 | a | |||||
1920 | 44.39 | c | 42.85 | c | 50.19 | 47.88 | d | 66.58 | 77.53 | 84.45 | 81.55 | b | 77.88 | d | 68.10 | 47.53 | 41.13 | 60.84 | ||||||||
1921 | 43.37 | d | 42.89 | a | 56.55 | b | 60.33 | c | 69.56 | d | 78.22 | c | 85.54 | c | 86.14 | j | 81.60 | j | 67.92 | r | 53.67 | f | 44.12 | o | 62.35 | e |
1922 | 34.00 | j | 39.32 | f | 56.30 | u | 56.25 | r | 70.43 | a | 83.85 | d | 86.23 | e | 88.35 | e | 82.81 | d | 67.68 | c | 42.65 | g | 39.36 | i | 79.89 | f |
1923 | 46.39 | 39.96 | 43.13 | 59.37 | c | 67.20 | f | 75.54 | d | 84.93 | d | 81.93 | a | 75.86 | b | 55.30 | a | 54.41 | c | 44.14 | c | 60.09 | a | |||
1924 | 40.23 | 46.93 | a | 35.04 | c | 61.21 | b | 65.55 | k | 82.68 | e | 86.14 | b | 88.93 | c | 73.44 | c | 65.84 | 55.55 | a | 35.03 | a | 61.00 | a | ||
1925 | 30.17 | m | 48.52 | e | 56.00 | b | 65.24 | a | 71.97 | b | 81.93 | a | 86.10 | a | 81.43 | c | 76.72 | a | 54.00 | c | 47.25 | b | 40.25 | c | 64.49 | a |
1926 | 36.13 | 46.54 | d | 48.21 | b | 59.64 | b | 70.97 | b | 79.56 | c | 84.32 | 87.26 | 73.00 | c | 67.13 | a | ----- | z | 37.17 | b | 62.72 | a | |||
1927 | 44.33 | a | 45.52 | a | 44.84 | 58.40 | 72.33 | a | 75.67 | 84.55 | 78.58 | 76.00 | 69.10 | 55.80 | 36.06 | 61.77 | ||||||||||
1928 | 45.32 | 45.21 | 52.03 | 60.43 | b | 70.42 | 69.47 | 85.03 | 86.97 | 79.18 | b | ----- | z | 48.40 | 37.77 | 61.84 | a | |||||||||
1929 | 34.84 | 31.59 | a | 48.61 | 57.57 | 68.42 | 81.67 | ----- | z | 85.68 | 69.27 | 64.29 | 35.93 | a | 44.97 | a | 56.62 | a | ||||||||
1930 | 22.84 | 47.68 | 46.23 | 66.37 | 63.03 | 81.73 | 88.06 | 83.26 | 76.33 | 62.45 | 56.37 | k | 39.58 | l | 63.80 | b | ||||||||||
1931 | 45.74 | 47.46 | 47.29 | 60.23 | 68.23 | 85.53 | 91.29 | 87.52 | 82.73 | 67.23 | 49.07 | 44.77 | 64.76 | |||||||||||||
1932 | 35.81 | 45.69 | 41.30 | a | 62.23 | 70.03 | 79.87 | 91.71 | 87.19 | 76.87 | 58.33 | a | 49.80 | 29.35 | 60.68 | |||||||||||
1933 | 40.87 | 34.89 | 50.90 | 55.43 | 64.81 | 88.13 | 90.71 | 83.77 | 79.77 | 71.35 | 56.21 | a | 49.13 | 63.83 | ||||||||||||
1934 | 49.42 | 46.71 | 55.10 | 62.97 | 80.16 | 84.57 | 93.52 | 87.65 | ----- | z | 74.74 | 56.83 | a | 48.52 | 67.29 | a | ||||||||||
1935 | 51.35 | 49.32 | 56.00 | l | 57.57 | 60.77 | 80.10 | 92.29 | 88.77 | 77.62 | a | 65.00 | a | 46.33 | 42.29 | 64.68 | a | |||||||||
1936 | 38.81 | 34.50 | a | 50.65 | 54.50 | b | ----- | z | 86.30 | 94.35 | h | 89.42 | 78.00 | 61.42 | 51.72 | a | 46.06 | 59.14 | b | |||||||
1937 | 25.19 | ----- | z | 45.29 | n | 60.73 | 71.90 | 78.43 | 90.00 | 92.81 | 81.50 | b | ----- | z | 42.00 | s | 39.35 | 67.49 | d | |||||||
1938 | 40.68 | 45.29 | 52.19 | 61.30 | 65.61 | 81.37 | 87.97 | 89.32 | 76.73 | 69.90 | 47.63 | 40.94 | 63.24 | |||||||||||||
1939 | 41.52 | 35.14 | 50.29 | 61.77 | 76.53 | a | 82.67 | 94.07 | a | 87.35 | 83.00 | a | 69.03 | a | 56.70 | 50.39 | 65.70 | |||||||||
1940 | 28.55 | 40.79 | a | 54.71 | 62.45 | a | 73.42 | 86.67 | 90.94 | 86.65 | 77.10 | 71.44 | f | 46.64 | p | 43.74 | 64.50 | b | ||||||||
1941 | 45.61 | 46.00 | 43.19 | 55.80 | 73.06 | 76.93 | 86.94 | 84.39 | 74.93 | 60.94 | 55.97 | 44.58 | 62.36 | |||||||||||||
1942 | 37.81 | 33.70 | a | 48.42 | 63.83 | 66.29 | 73.60 | 87.42 | 85.03 | 75.37 | 63.63 | a | 54.70 | 43.35 | 61.10 | |||||||||||
1943 | 42.13 | a | 49.89 | 44.16 | 66.37 | 64.20 | a | 76.03 | 88.94 | 88.71 | 77.47 | 67.16 | 53.93 | 45.29 | 63.69 | |||||||||||
1944 | 43.16 | 42.28 | 43.23 | 52.40 | 71.19 | 79.17 | 84.23 | 88.23 | 79.57 | 68.45 | 50.03 | 40.03 | 61.83 | |||||||||||||
1945 | 41.87 | 41.82 | 52.42 | 50.63 | 68.94 | 70.00 | 85.29 | 84.74 | 73.63 | 66.52 | 54.17 | 40.00 | 60.84 | |||||||||||||
1946 | 45.45 | 47.07 | 56.52 | 68.23 | 62.26 | 81.47 | 88.58 | 84.45 | 77.70 | 59.35 | 43.63 | 48.35 | 63.59 | |||||||||||||
1947 | 42.17 | a | 40.54 | 46.42 | 58.40 | 67.87 | a | 73.83 | 86.48 | 88.19 | 83.37 | 68.35 | 42.70 | 45.48 | b | 61.98 | ||||||||||
1948 | 38.42 | 37.97 | 44.35 | 65.17 | 72.32 | 77.83 | 87.55 | 87.39 | 83.00 | 66.42 | 47.40 | 40.00 | 62.32 | |||||||||||||
1949 | 26.56 | d | 40.50 | 48.40 | a | 61.79 | a | 67.16 | 76.43 | 87.06 | 86.83 | a | 77.57 | g | 63.77 | e | 62.87 | 43.35 | 60.43 | a | ||||||
1950 | 39.42 | 48.79 | 48.65 | 59.83 | 65.58 | 81.63 | 82.58 | 84.35 | 71.17 | 71.87 | 50.83 | 50.37 | d | 62.92 | ||||||||||||
1951 | 37.94 | 43.70 | a | 48.10 | 55.07 | 69.71 | 72.13 | 86.10 | 82.80 | a | 72.87 | 60.55 | 48.30 | 38.06 | 59.61 | |||||||||||
1952 | 40.55 | 45.48 | 41.52 | 61.53 | 68.87 | 86.90 | 87.90 | 85.48 | 81.53 | 69.48 | 43.60 | 40.03 | b | 62.74 | ||||||||||||
1953 | 51.10 | 43.57 | 56.77 | 53.43 | 64.65 | 81.40 | 86.84 | 83.81 | 81.57 | 69.03 | a | 54.63 | c | 42.52 | j | 66.07 | a | |||||||||
1954 | 43.65 | h | 57.71 | 46.25 | c | 67.97 | 68.65 | 83.17 | a | 92.58 | 86.55 | 80.10 | 63.03 | a | 56.18 | b | 46.42 | 68.06 | a | |||||||
1955 | 34.58 | 35.33 | a | 46.36 | f | 64.40 | 71.65 | 74.50 | 89.43 | a | 86.17 | b | 76.08 | d | 67.52 | 36.95 | i | 42.94 | 64.26 | b | ||||||
1956 | 42.26 | 37.29 | a | 52.19 | 59.87 | 72.10 | a | 87.87 | 86.57 | c | 83.42 | 82.67 | 69.63 | d | 48.57 | 44.08 | f | 65.67 | a | |||||||
1957 | ----- | z | 50.89 | a | 48.70 | a | 51.43 | 63.35 | 78.45 | h | 87.52 | 84.48 | 75.87 | 60.61 | c | 45.24 | a | 51.77 | 61.99 | b | ||||||
1958 | 46.45 | 48.35 | e | 39.83 | h | 54.50 | 74.03 | 81.47 | 81.52 | 88.16 | 78.63 | 68.84 | 52.47 | 42.81 | 65.20 | a | ||||||||||
1959 | 41.03 | a | 36.33 | a | 47.06 | 57.03 | 67.45 | 85.23 | 87.65 | 89.32 | 74.77 | 60.10 | 50.90 | 49.00 | 62.16 | |||||||||||
1960 | 39.16 | 34.24 | 48.77 | 64.00 | 70.90 | 83.33 | 88.42 | 88.45 | 80.73 | ----- | z | ----- | z | ----- | z | 66.45 | c | |||||||||
1961 | 48.13 | 49.93 | 48.23 | a | 58.66 | a | 68.00 | 80.93 | 87.36 | c | 87.03 | 69.40 | 64.39 | 47.73 | 40.31 | e | 62.51 | |||||||||
1962 | 33.32 | 42.54 | 46.71 | 64.53 | 74.16 | 77.03 | 83.35 | 87.77 | 78.76 | a | 71.00 | g | 54.93 | 47.94 | 62.82 | a | ||||||||||
1963 | 32.70 | a | 50.71 | 51.19 | 63.53 | 75.45 | 84.13 | 91.74 | 83.06 | 80.37 | 73.13 | 56.77 | 41.16 | 65.33 | ||||||||||||
1964 | 43.26 | 40.86 | 45.55 | 59.47 | 72.29 | 78.93 | 93.13 | 86.06 | 78.37 | 68.77 | 51.03 | 44.03 | 63.48 | |||||||||||||
1965 | 47.06 | 41.89 | 40.16 | 63.50 | 69.52 | 75.60 | 86.13 | 83.45 | 66.27 | 70.19 | 56.67 | 47.13 | 62.30 | |||||||||||||
1966 | 38.81 | 40.75 | 58.39 | 58.37 | 76.68 | 79.53 | 92.90 | 85.16 | 77.90 | 66.03 | 51.76 | a | 42.16 | 64.04 | ||||||||||||
1967 | 45.00 | 48.54 | 57.47 | a | 63.50 | 66.45 | 73.30 | 83.48 | 84.87 | 77.07 | 68.52 | 51.37 | 37.32 | 63.07 | ||||||||||||
1968 | 44.43 | a | 47.41 | 55.65 | 57.00 | 66.10 | 82.83 | 86.52 | 82.94 | 81.00 | 68.81 | 48.13 | 44.76 | f | 65.53 | a | ||||||||||
1969 | 46.36 | c | 47.46 | 44.68 | 67.33 | 75.90 | 74.10 | 90.06 | 92.32 | 81.37 | 51.13 | 52.77 | 43.97 | 63.95 | ||||||||||||
1970 | 43.90 | 55.18 | ----- | z | ----- | z | 76.27 | e | 80.70 | 89.65 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.14 | g | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.43 | 43.29 | 48.86 | 59.75 | 69.28 | 79.81 | 87.44 | 85.62 | 77.14 | 65.25 | 51.49 | 42.07 | 62.25 | |||||||||||||
S.D. | 6.22 | 5.70 | 5.56 | 4.54 | 4.23 | 4.53 | 3.15 | 3.00 | 4.10 | 5.00 | 4.97 | 5.23 | 1.65 | |||||||||||||
SKEW | -0.79 | -0.14 | -0.16 | -0.38 | -0.00 | -0.33 | 0.11 | -0.16 | -0.70 | -0.72 | -0.48 | -0.55 | 0.01 | |||||||||||||
MAX | 51.35 | 57.71 | 58.39 | 68.23 | 80.16 | 88.13 | 94.07 | 92.81 | 83.37 | 74.74 | 62.87 | 51.77 | 65.70 | |||||||||||||
MIN | 22.84 | 30.33 | 35.04 | 47.88 | 58.65 | 69.47 | 80.31 | 78.58 | 66.27 | 51.13 | 35.93 | 28.31 | 58.52 | |||||||||||||
YRS | 56 | 59 | 55 | 58 | 58 | 60 | 59 | 59 | 56 | 53 | 50 | 53 | 33 |