YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.76 | i | 50.74 | 50.74 | k | |
1897 | 38.39 | 45.79 | 51.63 | a | 63.83 | 71.06 | 79.73 | 78.61 | 77.00 | 71.53 | 61.42 | 58.13 | 45.67 | a | 61.90 | |||||||||||
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 | 61.37 | a | 65.37 | 76.19 | 86.27 | 84.97 | 84.00 | 75.50 | 70.19 | e | 62.13 | 55.73 | a | 72.17 | b | |||||||
1901 | 56.13 | a | ----- | z | ----- | z | 64.12 | f | 73.27 | e | 76.00 | q | 79.73 | p | 83.04 | e | 76.40 | e | 69.38 | e | 59.07 | p | 49.86 | i | 71.65 | g |
1902 | 51.89 | c | 55.48 | a | 55.55 | 72.23 | 75.04 | g | 90.19 | i | 80.70 | a | 83.14 | b | 76.70 | 69.92 | f | 57.43 | 52.10 | b | 65.03 | c | ||||
1903 | 48.57 | a | 45.04 | b | 58.07 | a | 66.28 | l | 71.90 | a | 74.93 | 86.97 | 84.52 | 76.33 | 66.97 | a | 64.31 | a | 52.52 | 66.37 | a | |||||
1904 | 48.07 | a | 61.68 | g | 64.77 | a | 68.17 | ----- | z | ----- | z | 83.48 | 81.00 | 76.33 | 63.81 | 57.79 | a | 48.34 | b | 65.75 | c | |||||
1905 | 49.97 | b | 45.89 | a | 56.92 | e | 59.69 | a | 73.03 | a | 82.03 | a | 81.07 | b | 82.26 | d | 76.52 | a | 67.97 | b | 54.93 | 42.86 | b | 64.43 | ||
1906 | 47.74 | 52.11 | 60.11 | d | 66.32 | b | 75.81 | 86.97 | 79.06 | 78.29 | 76.21 | a | 67.53 | a | 54.32 | b | 54.00 | a | 66.54 | |||||||
1907 | 54.40 | a | 59.20 | c | 66.87 | 69.52 | a | 70.23 | 82.00 | 84.97 | 82.87 | 78.47 | 66.55 | 53.80 | 55.47 | a | 68.69 | |||||||||
1908 | 53.03 | 54.62 | 64.55 | 66.97 | 73.16 | 85.17 | 81.19 | 78.84 | 78.30 | 69.42 | 58.53 | 55.07 | a | 68.24 | ||||||||||||
1909 | 59.71 | 54.46 | 56.29 | 68.23 | 73.68 | 85.80 | 84.94 | 81.87 | 77.07 | 72.03 | 64.00 | a | 47.55 | 68.80 | ||||||||||||
1910 | 55.74 | 54.29 | 68.35 | 70.20 | 78.61 | c | 85.58 | d | 88.23 | 84.42 | 80.55 | a | 71.06 | 64.18 | b | 53.87 | 71.26 | |||||||||
1911 | 56.94 | 50.00 | a | 62.45 | 68.10 | 76.39 | 83.30 | 80.39 | 86.23 | 80.80 | 68.35 | 55.90 | 45.61 | 67.87 | ||||||||||||
1912 | 56.55 | 56.52 | 59.67 | a | 64.57 | 76.35 | 80.40 | 85.60 | p | 82.96 | e | 74.66 | a | 69.45 | b | 61.97 | 48.50 | a | 66.51 | a | ||||||
1913 | 50.60 | a | 50.36 | 56.13 | 67.27 | 77.55 | 78.57 | g | 86.97 | 85.81 | d | 74.93 | a | 73.73 | a | 65.03 | 48.81 | 67.02 | a | |||||||
1914 | 58.57 | h | 57.85 | a | 62.29 | 71.93 | a | 75.07 | a | 83.87 | 80.57 | a | 86.13 | 83.80 | e | 71.71 | 63.30 | 46.61 | 71.19 | a | ||||||
1915 | 47.58 | 52.32 | 50.61 | 65.90 | 73.00 | b | 87.00 | 82.19 | 79.39 | 74.28 | a | 67.06 | 62.70 | 52.07 | a | 66.18 | ||||||||||
1916 | 53.81 | 58.79 | a | 64.10 | 66.13 | 77.23 | a | 88.87 | 83.90 | a | 79.71 | 76.13 | 65.77 | 52.23 | 47.03 | 67.81 | ||||||||||
1917 | 43.03 | 45.14 | 53.71 | 63.79 | b | 62.32 | 78.27 | 80.39 | 74.77 | 68.27 | 64.29 | 53.57 | 51.90 | a | 61.62 | |||||||||||
1918 | 42.13 | 58.11 | 64.68 | 64.40 | 74.87 | 87.52 | a | 85.06 | 82.00 | 77.66 | a | 68.94 | 53.20 | 45.77 | 67.03 | |||||||||||
1919 | 45.16 | 47.32 | 57.42 | 67.31 | a | 72.48 | d | 79.77 | h | 83.26 | h | 86.55 | 77.20 | 68.58 | 58.50 | 55.29 | 63.58 | b | ||||||||
1920 | 52.23 | 56.34 | 58.81 | 61.58 | f | 75.03 | b | 82.40 | e | 86.84 | 82.65 | 83.67 | 73.97 | b | 59.95 | k | 37.94 | 68.99 | b | |||||||
1921 | 47.61 | 55.81 | a | 63.19 | 62.86 | a | 76.94 | 78.93 | a | 78.29 | 82.55 | 80.38 | a | 73.19 | 59.57 | 55.42 | 67.90 | |||||||||
1922 | 50.03 | a | 53.22 | a | 57.77 | 67.07 | a | 78.10 | 86.63 | 90.19 | 90.19 | 84.57 | 76.06 | 59.80 | 60.48 | 71.18 | ||||||||||
1923 | 62.10 | 55.21 | 61.90 | 67.33 | 75.45 | 84.73 | 86.26 | 83.16 | 78.27 | 64.10 | 55.90 | 49.16 | 68.63 | |||||||||||||
1924 | 53.68 | 56.76 | 54.00 | 64.40 | 75.06 | 88.83 | 84.23 | 87.00 | 83.53 | 72.65 | 63.57 | 49.29 | 69.42 | |||||||||||||
1925 | 49.39 | 58.68 | 66.87 | 73.48 | a | 77.84 | 85.33 | 84.65 | 79.97 | 78.60 | 68.52 | 60.90 | 48.10 | 69.36 | ||||||||||||
1926 | 42.42 | 58.07 | 54.16 | 62.43 | 72.61 | 84.93 | 85.32 | 85.26 | 79.10 | a | 71.13 | ----- | z | 37.78 | v | 69.54 | b | |||||||||
1927 | 46.33 | a | 56.14 | 60.81 | 69.00 | 78.39 | 81.57 | 86.16 | 84.42 | 79.63 | 76.26 | 68.47 | 50.00 | 69.76 | ||||||||||||
1928 | 55.13 | 42.76 | 59.42 | 62.48 | a | 74.80 | a | 87.07 | 86.45 | 81.26 | 80.17 | 74.45 | 54.53 | 45.90 | 67.04 | |||||||||||
1929 | 42.16 | 42.00 | 49.87 | 65.97 | 74.35 | 87.33 | 85.42 | 84.61 | 79.60 | 70.13 | 48.90 | a | 48.55 | 64.91 | ||||||||||||
1930 | 38.76 | b | 51.81 | b | 54.48 | 70.29 | b | 73.84 | 82.28 | a | 77.16 | 84.45 | 79.90 | 76.10 | 46.50 | 47.74 | 65.28 | |||||||||
1931 | 42.17 | a | 47.07 | 52.39 | 61.97 | 73.84 | 86.37 | 86.65 | 83.03 | 81.00 | 74.52 | 56.53 | 40.61 | 65.51 | ||||||||||||
1932 | 39.26 | 52.90 | 53.32 | 71.03 | 74.06 | 85.47 | 85.87 | 84.58 | 76.03 | 66.10 | 62.07 | 44.65 | 66.28 | |||||||||||||
1933 | 49.65 | 48.82 | 62.45 | 62.67 | 72.55 | 82.30 | 86.13 | 82.52 | 83.40 | 73.61 | 63.69 | a | 59.23 | 68.92 | ||||||||||||
1934 | 53.68 | 58.29 | 63.52 | 69.97 | 80.06 | 87.27 | 89.71 | 85.94 | 81.03 | 77.26 | 61.17 | 54.90 | 71.90 | |||||||||||||
1935 | 56.13 | 52.14 | 60.23 | 66.03 | 66.58 | 81.33 | 84.45 | 79.58 | 71.70 | 69.10 | 58.97 | 49.10 | 66.28 | |||||||||||||
1936 | 49.50 | a | 53.97 | 60.19 | 66.63 | 71.68 | 82.77 | 81.13 | 82.74 | 74.17 | 64.77 | 56.43 | 51.08 | e | 66.25 | |||||||||||
1937 | 48.52 | 51.89 | 53.58 | 67.07 | 73.68 | 81.37 | 84.61 | 84.52 | 77.10 | 70.16 | 65.00 | r | ----- | z | 69.25 | b | ||||||||||
1938 | 50.35 | n | 54.68 | 58.61 | 67.17 | 74.74 | 81.40 | 81.42 | 84.68 | 75.45 | a | 70.84 | 55.53 | 54.16 | 68.97 | a | ||||||||||
1939 | 46.27 | a | 44.00 | 59.90 | 66.43 | 76.00 | 84.83 | 82.06 | 82.61 | 78.60 | 69.00 | 56.20 | 54.35 | 66.69 | ||||||||||||
1940 | 46.87 | a | 49.45 | 60.03 | 65.83 | 75.19 | 81.53 | 85.35 | 81.42 | 78.60 | 71.71 | 57.37 | 55.71 | 67.42 | ||||||||||||
1941 | 48.45 | 54.11 | 53.81 | 60.40 | 72.42 | 77.97 | 81.26 | 80.94 | 78.10 | a | 69.20 | a | 58.73 | ----- | z | 66.85 | a | |||||||||
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.68 | 59.40 | 48.35 | 59.14 | i | |||
1944 | 47.23 | 53.38 | 58.61 | 64.30 | 76.39 | 85.80 | 85.39 | 84.52 | 75.93 | 67.87 | 54.30 | 51.39 | 67.09 | |||||||||||||
1945 | 50.03 | 57.07 | a | 59.81 | 66.57 | 79.32 | 84.77 | 85.84 | 84.19 | 82.79 | b | 68.81 | 63.60 | 49.58 | 69.36 | |||||||||||
1946 | 43.97 | 57.92 | c | 62.65 | 74.30 | 74.94 | 87.57 | 86.52 | 83.77 | 79.03 | 71.06 | 57.14 | b | 54.94 | 69.48 | |||||||||||
1947 | 46.00 | b | 56.07 | 60.10 | 67.85 | c | 78.16 | 85.97 | a | 88.75 | k | 82.27 | a | 83.63 | ----- | z | 51.60 | t | 47.65 | 67.52 | c | |||||
1948 | 46.61 | 49.38 | 53.40 | a | 71.37 | 76.74 | 84.17 | 86.26 | 86.26 | 79.93 | 67.16 | 54.70 | 53.52 | 67.46 | ||||||||||||
1949 | 37.90 | 51.61 | 61.65 | 62.87 | 76.71 | 84.00 | 84.26 | 82.58 | 77.80 | 66.68 | 64.07 | 50.65 | 66.73 | |||||||||||||
1950 | 56.07 | a | 60.25 | 64.26 | 72.03 | 77.87 | 85.80 | 82.16 | 84.42 | 76.44 | c | 76.74 | 64.24 | a | 57.94 | 71.52 | ||||||||||
1951 | 52.13 | 56.11 | 58.48 | 65.63 | 78.42 | 87.10 | 90.74 | 84.42 | 82.37 | 71.48 | 57.93 | 51.06 | 69.66 | |||||||||||||
1952 | 56.74 | 53.38 | 54.93 | a | 66.30 | 76.13 | 86.40 | 83.87 | 86.29 | 81.17 | 74.19 | 54.97 | 50.84 | 68.77 | ||||||||||||
1953 | 57.39 | 52.14 | 62.37 | a | 68.28 | a | 72.17 | b | 90.32 | b | ----- | z | 84.30 | d | 83.67 | 72.63 | a | 62.83 | 49.42 | 68.68 | a | |||||
1954 | 56.90 | 62.96 | 60.26 | 75.21 | a | 77.16 | 87.10 | 88.58 | 83.03 | a | 81.97 | 71.35 | 64.17 | 57.13 | a | 72.15 | ||||||||||
1955 | 49.10 | 53.46 | 61.81 | 69.68 | b | 75.47 | a | 86.20 | 81.48 | 82.48 | 83.07 | a | 72.67 | a | 62.30 | 57.68 | 69.62 | |||||||||
1956 | 56.55 | 49.36 | a | 65.74 | 67.90 | a | 82.87 | 89.86 | a | 86.68 | 83.65 | 86.70 | 74.94 | 60.43 | 54.71 | 71.61 | ||||||||||
1957 | 55.52 | 62.48 | c | 60.07 | a | 68.53 | 72.10 | 86.60 | 89.00 | b | 81.16 | 80.03 | 65.19 | 53.47 | 55.35 | 69.13 | ||||||||||
1958 | 47.71 | 56.25 | 51.13 | a | 65.13 | 78.13 | 87.97 | a | 88.65 | 86.35 | 75.90 | 66.20 | a | 61.83 | a | 58.10 | 68.61 | |||||||||
1959 | 54.93 | b | 54.07 | a | 59.84 | l | 71.76 | m | 77.06 | 86.23 | 85.50 | m | 83.03 | 81.57 | 71.71 | 60.43 | 52.97 | 69.11 | c | |||||||
1960 | 47.97 | 48.07 | 62.03 | 70.10 | 78.26 | 86.80 | 84.87 | a | 88.19 | 82.30 | 70.55 | 63.31 | a | 47.29 | 69.14 | |||||||||||
1961 | 50.26 | 54.79 | 60.94 | 70.00 | 80.48 | 87.50 | 87.52 | 84.58 | 76.80 | 73.29 | 53.97 | 50.87 | 69.25 | |||||||||||||
1962 | 46.84 | 60.46 | 55.03 | a | 70.87 | 79.03 | a | 84.83 | 81.23 | 89.03 | 77.03 | 69.71 | 60.07 | 51.81 | 68.83 | |||||||||||
1963 | 47.16 | 54.93 | 61.13 | a | 70.93 | 80.74 | 87.40 | 88.35 | 81.37 | a | 79.27 | 75.23 | 61.90 | 52.68 | 70.09 | |||||||||||
1964 | 49.32 | 46.25 | a | 58.68 | 68.40 | 77.71 | 87.70 | 88.90 | 87.00 | 76.70 | 74.84 | 63.03 | a | 53.06 | 69.30 | |||||||||||
1965 | 58.06 | 52.32 | 57.13 | a | 71.13 | 77.06 | 83.23 | 87.81 | 82.97 | 76.73 | 71.90 | 66.07 | 53.06 | 69.79 | ||||||||||||
1966 | 45.80 | a | 46.29 | 65.03 | 70.40 | 79.07 | c | 83.76 | a | 87.60 | a | 83.00 | a | 71.73 | 65.86 | b | 70.14 | a | 55.00 | c | 68.64 | |||||
1967 | 55.31 | b | ----- | z | 72.36 | c | 71.36 | b | 77.03 | b | 80.17 | a | 86.29 | c | 84.62 | b | 78.96 | c | 72.96 | e | 65.31 | a | 48.96 | d | 72.12 | a |
1968 | 55.36 | c | 57.45 | 57.16 | 64.93 | c | 71.90 | 88.69 | a | 84.33 | a | 82.19 | 79.87 | 75.43 | c | 65.17 | a | 53.56 | d | 69.67 | ||||||
1969 | 55.33 | a | 55.04 | 57.00 | 73.52 | a | 77.59 | b | 85.07 | 88.14 | b | 87.93 | a | 77.40 | 70.19 | ----- | z | ----- | z | 72.72 | b | |||||
1970 | ----- | z | 55.56 | c | 56.55 | 68.00 | a | 76.97 | 82.23 | ----- | z | 84.77 | 76.86 | a | 69.53 | a | 62.73 | 55.48 | 68.87 | b | ||||||
1971 | 54.94 | 54.68 | 62.55 | 70.77 | 76.16 | ----- | z | 85.90 | 78.87 | 80.77 | 69.32 | ----- | z | ----- | z | 70.44 | c | |||||||||
1972 | 57.92 | r | 57.97 | 67.77 | 72.07 | 76.55 | 83.50 | 85.89 | m | 80.84 | 77.20 | 71.00 | d | 52.30 | 49.88 | o | 71.02 | c | ||||||||
1973 | 50.62 | e | 51.35 | b | 54.81 | 62.17 | a | 74.00 | j | ----- | z | ----- | z | 85.83 | m | 80.73 | 73.61 | 63.82 | h | 57.20 | k | 62.21 | f | |||
1974 | 55.27 | i | 62.75 | l | 68.54 | c | 71.32 | h | 83.65 | h | 90.38 | a | 85.26 | 81.13 | 73.93 | 68.03 | 59.90 | a | ----- | z | 75.31 | e | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 50.17 | 53.31 | 59.54 | 67.55 | 75.48 | 84.74 | 84.75 | 83.32 | 78.49 | 70.37 | 59.41 | 51.27 | 68.18 | |||||||||||||
S.D. | 5.50 | 4.72 | 4.71 | 3.43 | 3.21 | 3.13 | 3.09 | 2.71 | 3.39 | 3.48 | 4.66 | 4.37 | 2.25 | |||||||||||||
SKEW | -0.25 | -0.44 | 0.14 | -0.03 | -1.08 | -0.67 | -0.40 | -0.29 | -0.19 | -0.13 | -0.28 | -0.44 | -0.76 | |||||||||||||
MAX | 62.10 | 62.96 | 72.36 | 75.21 | 82.87 | 90.38 | 90.74 | 90.19 | 86.70 | 77.26 | 70.14 | 60.48 | 72.15 | |||||||||||||
MIN | 37.90 | 42.00 | 49.87 | 59.69 | 62.32 | 74.93 | 77.16 | 74.77 | 68.27 | 61.42 | 46.50 | 37.94 | 61.62 | |||||||||||||
YRS | 68 | 69 | 72 | 69 | 70 | 67 | 65 | 73 | 74 | 73 | 67 | 67 | 50 |