YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1901 | ----- | z | ----- | z | ----- | z | ----- | z | 83.63 | l | 90.04 | b | 99.61 | 97.32 | 91.10 | a | 81.55 | 73.87 | 64.93 | a | 85.49 | e | ||||
1902 | 59.97 | 65.44 | j | 59.26 | l | 78.10 | 83.00 | t | 95.74 | g | 97.86 | i | 95.52 | d | ----- | z | ----- | z | ----- | z | ----- | z | 77.86 | i | ||
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 93.70 | 96.68 | 97.61 | 87.38 | a | 80.13 | 70.47 | 57.97 | 83.42 | e | ||||||
1904 | 55.52 | 66.07 | 68.48 | 75.67 | 84.87 | 94.73 | 95.26 | 92.74 | 86.53 | 77.84 | 70.97 | 57.97 | 77.22 | |||||||||||||
1905 | 57.57 | a | 55.93 | 64.26 | 70.97 | 77.42 | 91.47 | 99.10 | 97.26 | 89.38 | a | 76.42 | 61.20 | 52.45 | 74.45 | |||||||||||
1906 | 55.67 | a | 61.89 | a | 62.30 | a | 72.03 | a | 80.03 | 93.17 | 98.06 | ----- | z | ----- | z | ----- | z | 63.50 | 59.65 | 71.81 | c | |||||
1907 | 52.74 | 67.36 | 65.55 | 77.67 | 81.81 | 90.67 | 100.52 | d | 97.84 | 92.63 | 78.52 | 68.10 | 61.94 | 77.94 | ||||||||||||
1908 | 59.13 | 58.93 | 68.77 | 77.70 | 80.23 | 92.90 | 100.06 | 96.39 | 88.97 | 75.00 | 70.17 | 54.06 | 76.86 | |||||||||||||
1909 | 60.65 | 59.07 | 63.23 | 76.03 | 82.97 | ----- | z | ----- | z | 95.00 | 87.83 | 81.90 | 67.40 | 46.97 | 72.10 | b | ||||||||||
1910 | 53.10 | 61.75 | 75.39 | ----- | z | ----- | z | 96.87 | 100.23 | 99.77 | 95.63 | 81.39 | 68.40 | 61.42 | 79.39 | b | ||||||||||
1911 | 59.10 | ----- | z | ----- | z | ----- | z | 83.84 | 95.10 | 98.48 | 100.29 | 91.90 | 79.65 | 65.13 | 53.16 | 80.74 | c | |||||||||
1912 | 61.65 | 67.17 | 62.67 | y | ----- | z | ----- | z | 94.77 | 93.32 | 94.90 | 89.53 | 75.43 | a | 67.30 | 56.03 | a | 77.79 | c | |||||||
1913 | 54.00 | 57.86 | 64.90 | 76.93 | 85.97 | 89.80 | 95.38 | o | 96.26 | ----- | z | 78.65 | 63.93 | 53.71 | 72.20 | b | ||||||||||
1914 | 56.45 | 58.68 | ----- | z | 76.29 | b | 84.23 | 95.00 | 98.94 | 98.58 | 92.96 | f | 83.39 | 76.19 | c | 55.25 | c | 78.30 | b | |||||||
1915 | 58.89 | c | 61.71 | 70.48 | 79.17 | 82.38 | g | 96.30 | g | 101.39 | 103.68 | 95.21 | a | 85.45 | k | 64.00 | p | 54.61 | h | 81.50 | e | |||||
1916 | 58.42 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 90.63 | 75.39 | 67.23 | 53.94 | 69.12 | g | |||||
1917 | 50.45 | 59.71 | 60.90 | u | 77.46 | f | 76.26 | 97.00 | 100.61 | 97.13 | 91.07 | 84.74 | 70.90 | 68.16 | 79.60 | b | ||||||||||
1918 | 58.39 | 62.07 | 69.96 | f | 75.40 | 80.52 | 98.34 | a | 95.74 | 92.03 | a | 90.17 | 80.03 | 64.23 | 54.61 | 77.41 | a | |||||||||
1919 | 57.81 | 55.07 | 64.90 | 78.07 | 85.94 | 94.80 | 97.81 | 98.68 | 87.83 | 70.52 | 63.37 | 57.77 | 76.05 | |||||||||||||
1920 | 57.87 | 59.96 | a | 63.23 | 69.63 | 79.50 | a | ----- | z | ----- | z | 90.74 | 88.87 | 75.83 | b | 66.03 | 55.94 | 70.76 | b | |||||||
1921 | 56.33 | a | 64.57 | 71.55 | 77.83 | a | 82.35 | 96.40 | 96.55 | 95.65 | 90.97 | 82.61 | 75.20 | 58.58 | 79.05 | |||||||||||
1922 | 51.71 | 55.36 | 63.55 | 70.93 | 82.77 | 93.93 | 100.19 | 95.16 | 95.90 | 82.97 | 64.07 | ----- | z | 77.87 | a | |||||||||||
1923 | 64.77 | 64.07 | a | 68.23 | 68.11 | b | 91.29 | ----- | z | 96.86 | q | 94.68 | 87.13 | 76.58 | 67.13 | 56.50 | a | 73.85 | b | |||||||
1924 | 56.30 | a | 67.66 | 60.23 | 69.33 | 87.13 | 96.67 | 97.06 | 98.19 | 92.97 | 79.10 | 70.60 | 53.26 | 77.37 | ||||||||||||
1925 | 56.81 | 67.07 | 68.55 | 73.80 | 81.84 | 86.77 | 94.26 | 86.61 | 80.52 | c | 70.13 | a | 59.83 | 56.10 | 73.52 | |||||||||||
1926 | 51.06 | 56.61 | 64.74 | 67.10 | 78.03 | 89.60 | 92.16 | 90.13 | 86.63 | 79.26 | 63.30 | 52.48 | d | 72.59 | ||||||||||||
1927 | 60.13 | 61.32 | 63.61 | 75.37 | 86.58 | 93.80 | 98.77 | 95.37 | a | 87.57 | 80.35 | 66.83 | 49.87 | 76.63 | ||||||||||||
1928 | 58.81 | 61.14 | 70.42 | 75.80 | 87.19 | 94.33 | 99.48 | 97.68 | 93.47 | 79.77 | 65.27 | 54.65 | 78.17 | |||||||||||||
1929 | 56.74 | 57.82 | 67.29 | 71.53 | 87.03 | 92.37 | 93.16 | 87.60 | a | 83.37 | 74.71 | 62.20 | 58.84 | 74.39 | ||||||||||||
1930 | 46.10 | 61.46 | 60.16 | 74.60 | 70.53 | a | 88.07 | 91.35 | 89.61 | 91.73 | 76.52 | 64.70 | 56.10 | 72.58 | ||||||||||||
1931 | 57.03 | 59.21 | 67.84 | 78.47 | 86.97 | ----- | z | ----- | z | 93.07 | a | 88.66 | a | 78.17 | a | 64.37 | 51.16 | 72.49 | b | |||||||
1932 | 51.68 | 56.38 | 69.39 | 73.00 | a | 70.61 | ----- | z | ----- | z | 94.77 | a | 96.14 | a | 78.42 | 66.59 | a | 45.35 | 70.23 | b | ||||||
1933 | 51.27 | a | 53.76 | c | 68.97 | a | 71.27 | 77.90 | 93.97 | 101.48 | 99.87 | 93.47 | 83.87 | 70.13 | 60.45 | 77.20 | ||||||||||
1934 | 60.16 | 66.41 | a | 79.55 | 83.57 | 89.81 | 90.03 | 100.13 | 95.68 | 92.80 | 83.67 | a | 68.27 | 57.77 | 80.65 | |||||||||||
1935 | 55.77 | 62.00 | 62.55 | 74.53 | 79.35 | 96.70 | 98.52 | 96.77 | a | 92.72 | a | 79.48 | 65.93 | a | 60.57 | a | 77.07 | |||||||||
1936 | 60.83 | a | 58.41 | 71.35 | 81.90 | 89.52 | 97.80 | ----- | z | ----- | z | 89.30 | 78.00 | 66.14 | a | 55.65 | 74.89 | b | ||||||||
1937 | 40.15 | d | 59.36 | 64.71 | 73.87 | 86.75 | c | 92.79 | a | 99.17 | a | 99.38 | b | 93.78 | c | 81.61 | 68.97 | 57.34 | b | 76.49 | ||||||
1938 | 57.56 | d | 56.26 | a | 60.77 | 76.28 | a | 83.71 | 95.33 | 99.66 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.65 | e | |||
1939 | 57.57 | a | 51.32 | 66.65 | 81.00 | ----- | z | ----- | z | 102.00 | ----- | z | 84.17 | 73.93 | a | 68.10 | 62.40 | a | 71.90 | c | ||||||
1940 | 56.81 | 57.52 | 69.39 | 74.43 | 88.65 | 97.57 | 99.06 | 98.10 | 84.33 | 77.87 | 61.73 | 57.35 | 76.90 | |||||||||||||
1941 | 54.13 | 59.54 | 61.71 | 64.10 | 81.10 | 88.10 | 96.84 | 90.32 | 84.67 | 69.45 | 66.07 | 54.32 | 72.53 | |||||||||||||
1942 | 56.19 | 54.57 | 64.77 | 70.97 | 81.06 | 92.43 | 99.94 | 95.13 | 91.13 | 79.03 | 69.03 | a | 60.13 | 76.20 | ||||||||||||
1943 | 56.97 | a | 62.75 | 66.71 | 75.93 | 84.77 | 89.67 | 97.87 | 93.81 | 92.10 | 77.97 | 67.80 | 54.16 | 76.71 | ||||||||||||
1944 | 53.23 | 52.90 | 60.74 | 68.50 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.40 | 57.90 | a | 58.94 | f | |||||
1945 | 55.07 | b | 58.64 | 59.13 | 71.50 | 83.00 | 90.46 | b | 98.94 | 95.23 | 91.83 | 80.48 | 66.62 | a | 55.65 | 75.55 | ||||||||||
1946 | 56.30 | a | 59.50 | 66.97 | a | 77.57 | 82.52 | 95.58 | d | 96.32 | 94.55 | 91.97 | 73.29 | 60.43 | 60.29 | 76.27 | ||||||||||
1947 | 55.48 | 66.61 | 68.16 | 75.33 | 88.20 | a | 90.43 | 99.68 | c | 94.96 | e | 95.62 | a | 80.13 | 60.83 | 54.61 | 77.50 | |||||||||
1948 | 61.00 | 57.34 | 59.55 | 73.88 | e | 82.85 | r | 90.50 | 96.26 | 94.52 | 92.47 | 79.87 | 64.17 | 54.42 | 74.91 | a | ||||||||||
1949 | 40.74 | 53.46 | 64.06 | 77.50 | 81.75 | c | 92.35 | g | 97.38 | j | 95.13 | 92.93 | 75.87 | 74.43 | 55.03 | 71.09 | b | |||||||||
1950 | 53.90 | 65.61 | 68.29 | 79.07 | 82.23 | 90.47 | 93.65 | 95.90 | 86.43 | 84.03 | 72.10 | 66.81 | 78.21 | |||||||||||||
1951 | 56.55 | 61.04 | 65.87 | 73.03 | 81.55 | 90.13 | 97.26 | 92.23 | 91.77 | 76.87 | 63.33 | 51.94 | 75.13 | |||||||||||||
1952 | 52.35 | 59.14 | 57.16 | 73.07 | 86.13 | a | 88.20 | 96.26 | 96.03 | 92.53 | 87.74 | 60.97 | 56.81 | 75.53 | ||||||||||||
1953 | 62.58 | 62.43 | 67.87 | 73.30 | 74.35 | 90.67 | 96.87 | 94.55 | 93.87 | 78.63 | a | 70.17 | 57.10 | 76.87 | ||||||||||||
1954 | 57.10 | 68.18 | 63.16 | 78.93 | 86.19 | 89.60 | 96.65 | 93.15 | d | 90.23 | 82.13 | 71.33 | 57.77 | 77.87 | ||||||||||||
1955 | 50.45 | 56.50 | 66.87 | 71.53 | 80.65 | 90.90 | 92.84 | 92.03 | 91.43 | 83.29 | 66.00 | 60.84 | 75.28 | |||||||||||||
1956 | 61.10 | 56.10 | 70.81 | 73.80 | 83.06 | 93.00 | 94.81 | 93.10 | 94.63 | 78.19 | 66.30 | 60.94 | 77.15 | |||||||||||||
1957 | 52.06 | 65.52 | a | 67.74 | 72.17 | 78.26 | 95.53 | 98.10 | 93.13 | 91.83 | 72.97 | 59.00 | a | 59.65 | 75.50 | |||||||||||
1958 | 58.48 | 62.39 | 58.13 | 71.43 | 88.90 | 94.00 | 98.39 | 97.77 | 90.57 | 82.55 | 66.03 | 65.32 | 77.83 | |||||||||||||
1959 | 60.42 | 56.86 | 69.68 | 79.90 | 81.84 | 95.77 | 100.55 | 93.03 | 86.87 | 81.26 | 66.80 | 57.35 | 77.53 | |||||||||||||
1960 | 50.87 | 55.59 | 70.97 | 76.90 | 84.26 | 97.17 | 99.90 | 96.94 | 92.43 | 77.55 | 66.27 | 56.97 | 77.15 | |||||||||||||
1961 | 60.63 | a | 62.61 | 67.16 | 76.50 | 81.74 | 96.30 | 98.61 | 94.97 | 86.87 | 77.90 | 61.37 | 52.77 | 76.45 | ||||||||||||
1962 | 53.93 | a | 57.96 | 60.81 | 81.37 | 79.61 | 91.97 | 96.77 | 97.87 | 90.90 | 79.03 | 70.30 | 58.48 | 76.58 | ||||||||||||
1963 | 52.55 | 66.36 | 62.77 | 68.34 | a | 84.74 | 87.07 | 97.90 | 92.55 | 90.73 | 79.90 | 64.37 | 57.80 | a | 75.42 | |||||||||||
1964 | 53.06 | 55.41 | 60.35 | 69.52 | a | 79.58 | 86.97 | 97.45 | 95.10 | 90.53 | 87.13 | 61.31 | a | 56.71 | 74.43 | |||||||||||
1965 | 59.94 | 59.64 | 60.68 | 66.07 | 78.00 | 87.14 | a | 97.71 | 97.23 | 86.20 | 84.45 | 67.90 | 53.03 | 74.83 | ||||||||||||
1966 | 53.90 | 54.61 | 67.94 | 77.60 | 88.35 | 93.83 | 98.10 | 98.61 | 91.63 | 78.68 | 68.30 | 56.52 | 77.34 | |||||||||||||
1967 | 56.06 | 63.82 | 69.23 | 64.83 | 82.55 | 88.97 | 99.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.96 | e | |||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 55.85 | 60.10 | 65.83 | 74.32 | 82.74 | 92.67 | 97.78 | 95.30 | 90.37 | 79.05 | 66.50 | 56.83 | 76.32 | |||||||||||||
S.D. | 4.47 | 4.22 | 4.33 | 4.26 | 4.38 | 3.20 | 2.44 | 3.11 | 3.34 | 3.78 | 3.90 | 4.17 | 1.72 | |||||||||||||
SKEW | -1.21 | 0.18 | 0.36 | -0.28 | -0.54 | -0.12 | -0.73 | -0.35 | -0.59 | -0.26 | 0.27 | 0.16 | -0.36 | |||||||||||||
MAX | 64.77 | 68.18 | 79.55 | 83.57 | 91.29 | 98.34 | 102.00 | 103.68 | 96.14 | 87.74 | 76.19 | 68.16 | 80.65 | |||||||||||||
MIN | 40.15 | 51.32 | 57.16 | 64.10 | 70.53 | 86.77 | 91.35 | 86.61 | 80.52 | 69.45 | 59.00 | 45.35 | 72.53 | |||||||||||||
YRS | 65 | 62 | 58 | 60 | 57 | 56 | 56 | 60 | 60 | 61 | 63 | 62 | 41 |