YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 71.63 | ----- | z | 97.23 | 93.55 | 93.26 | 80.60 | 78.48 | 63.47 | 48.94 | 78.39 | d | ||||||||
1919 | 51.77 | 57.29 | 60.81 | 63.30 | 72.47 | l | 88.70 | 94.77 | 92.87 | 86.93 | 75.71 | 67.27 | 53.39 | 72.07 | a | |||||||||||
1920 | 57.16 | 63.28 | 65.12 | n | 71.07 | 83.68 | 89.20 | 93.00 | 95.84 | 85.30 | 71.39 | 62.87 | 53.16 | 75.09 | a | |||||||||||
1921 | 52.39 | 59.82 | 65.10 | 72.50 | 80.84 | 88.33 | 98.10 | 92.35 | 86.13 | ----- | z | ----- | z | 56.87 | 75.24 | b | ||||||||||
1922 | 47.58 | 53.96 | 59.06 | 67.30 | 81.90 | 90.23 | 98.80 | a | 92.71 | 94.63 | 79.35 | 63.07 | 53.06 | 73.47 | ||||||||||||
1923 | 51.19 | 58.29 | 68.81 | 66.60 | 79.65 | 83.00 | 93.52 | 93.77 | 90.37 | 78.32 | 71.10 | 53.90 | 74.04 | |||||||||||||
1924 | 53.03 | 68.00 | 68.10 | 74.67 | 84.42 | 86.67 | 94.06 | 95.45 | 88.40 | 72.16 | 61.40 | 47.35 | 74.48 | |||||||||||||
1925 | 51.77 | 56.61 | 62.06 | 63.77 | 75.71 | 88.07 | 96.39 | 93.00 | 78.27 | 79.19 | 65.43 | 53.90 | 72.01 | |||||||||||||
1926 | 48.35 | 61.04 | a | 70.87 | 73.27 | 82.57 | a | 96.47 | 98.71 | 95.35 | 86.30 | 78.81 | 71.28 | a | 54.87 | 76.49 | ||||||||||
1927 | 55.97 | 60.00 | 63.06 | 69.53 | 81.10 | 89.53 | 97.65 | 92.55 | 84.63 | 79.77 | 61.32 | b | 55.52 | 74.22 | ||||||||||||
1928 | 51.35 | 59.38 | 62.10 | a | 65.07 | 81.94 | 91.06 | l | 95.16 | 95.29 | 90.20 | 79.13 | 64.83 | 51.58 | 72.37 | a | ||||||||||
1929 | 47.29 | 59.68 | 64.55 | 67.37 | 84.32 | 87.83 | 95.90 | 98.48 | 89.80 | 82.68 | 71.97 | 60.29 | 75.85 | |||||||||||||
1930 | 51.23 | 65.11 | 67.39 | 71.47 | 76.52 | 91.13 | 96.26 | 93.06 | 84.13 | 79.23 | 72.57 | i | 58.59 | i | 77.55 | b | ||||||||||
1931 | 56.45 | 61.62 | b | 66.52 | b | 78.80 | 87.23 | 87.87 | 102.84 | 97.13 | 85.93 | 78.13 | 63.48 | a | 52.26 | 76.52 | ||||||||||
1932 | 52.26 | 58.62 | 66.48 | 71.67 | 81.87 | 92.03 | a | 96.23 | 94.45 | 93.87 | 80.81 | 72.67 | 56.89 | l | 78.27 | a | ||||||||||
1933 | 53.90 | 60.75 | 67.13 | 73.93 | 75.19 | 88.07 | 100.94 | 95.55 | 85.68 | b | 85.19 | 73.17 | 51.90 | 75.95 | ||||||||||||
1934 | 53.90 | 59.89 | 70.71 | 79.53 | 84.42 | 87.37 | 97.06 | 94.97 | 90.57 | 78.55 | 66.31 | a | 58.72 | b | 76.83 | |||||||||||
1935 | 54.32 | 57.25 | 60.23 | 68.60 | 78.29 | 93.07 | a | 94.90 | 96.81 | 89.33 | 76.32 | 63.52 | a | 58.06 | 74.23 | |||||||||||
1936 | 57.45 | 58.79 | 67.06 | 71.60 | 82.58 | 88.20 | 95.61 | 98.61 | 92.47 | 80.32 | 69.33 | 54.23 | 76.36 | |||||||||||||
1937 | 45.83 | b | 56.89 | 63.87 | 67.33 | 82.52 | 88.43 | 98.23 | 97.00 | 89.33 | 81.10 | 66.80 | 58.42 | 74.65 | ||||||||||||
1938 | 50.90 | 59.11 | 58.90 | a | 64.43 | 78.60 | f | 93.77 | d | 97.48 | 93.65 | 92.23 | 76.90 | 65.03 | 55.19 | d | 73.42 | a | ||||||||
1939 | 53.35 | 57.29 | 63.80 | a | 76.93 | 82.71 | 92.50 | 97.58 | 96.13 | 91.83 | a | 79.26 | 71.43 | 61.00 | 76.98 | |||||||||||
1940 | 56.13 | 60.83 | 66.58 | 71.57 | 84.48 | 95.80 | 95.77 | 95.19 | 86.17 | 80.13 | 67.43 | b | 61.94 | 76.83 | ||||||||||||
1941 | 57.32 | ----- | z | ----- | z | 68.29 | b | 80.42 | 88.23 | 98.26 | 89.61 | 86.67 | 75.42 | 68.31 | a | 57.52 | 77.00 | b | ||||||||
1942 | 55.87 | 60.93 | 65.71 | 72.00 | 76.79 | b | 89.80 | 97.23 | 93.81 | 86.20 | 79.74 | 64.90 | 56.08 | f | 76.63 | a | ||||||||||
1943 | 59.35 | e | 64.85 | a | 67.33 | a | 74.30 | 86.74 | 88.80 | 95.77 | 92.10 | 90.53 | 78.29 | 68.67 | 58.48 | b | 77.10 | |||||||||
1944 | 57.46 | e | ----- | z | ----- | z | 67.27 | 80.97 | 84.57 | 94.32 | 94.77 | 91.40 | 80.63 | d | 67.90 | 55.10 | 77.44 | b | ||||||||
1945 | 50.53 | a | 59.29 | k | 58.80 | a | 71.57 | 77.87 | 91.24 | a | 99.57 | a | 93.74 | 90.07 | ----- | z | ----- | z | 53.83 | a | 76.36 | c | ||||
1946 | 53.07 | a | 56.29 | 63.61 | 73.37 | 81.55 | 87.83 | 95.48 | 95.13 | 88.97 | 74.55 | 61.10 | 50.42 | 73.45 | ||||||||||||
1947 | 48.77 | 57.50 | 64.74 | 74.27 | 87.74 | 90.10 | 93.32 | 91.23 | 93.72 | l | 72.77 | e | 59.43 | 54.45 | b | 72.21 | a | |||||||||
1948 | 59.35 | 57.90 | 60.61 | 65.23 | 74.27 | a | 85.73 | 93.00 | 91.26 | 88.20 | 75.18 | n | 64.67 | 49.33 | a | 71.78 | a | |||||||||
1949 | 47.12 | e | 55.25 | d | 60.26 | 74.67 | 78.61 | 91.57 | 95.30 | a | 89.35 | 89.65 | j | 74.42 | g | 69.57 | 52.19 | 71.39 | b | |||||||
1950 | 50.16 | 58.79 | 61.52 | 72.40 | 80.52 | 86.90 | 96.68 | 95.00 | 86.16 | e | 76.30 | k | 65.20 | 55.86 | b | 73.56 | a | |||||||||
1951 | 51.58 | 57.36 | 62.13 | 70.93 | 80.39 | 87.57 | 94.03 | 93.19 | ----- | z | ----- | z | ----- | z | 52.29 | 72.16 | c | |||||||||
1952 | 51.13 | 57.10 | 58.10 | 68.53 | 81.61 | 82.17 | 94.71 | 93.77 | 89.40 | 81.10 | 63.63 | 52.52 | 72.81 | |||||||||||||
1953 | 56.10 | 59.82 | 62.77 | 70.37 | 73.03 | 82.53 | 98.03 | 88.94 | 88.37 | 77.03 | 63.53 | 56.03 | 73.05 | |||||||||||||
1954 | 54.13 | 55.18 | 59.19 | 72.93 | 81.32 | 86.07 | 95.74 | 88.61 | 85.80 | 77.77 | 60.20 | 49.58 | 72.21 | |||||||||||||
1955 | 47.45 | 56.64 | 63.87 | 66.52 | a | 78.45 | 86.53 | 91.13 | 93.55 | 90.97 | 81.95 | k | 61.63 | 54.74 | 71.95 | a | ||||||||||
1956 | 54.20 | a | 55.17 | 64.52 | 68.57 | 78.74 | 89.60 | 94.19 | 90.86 | j | 87.34 | a | 75.13 | 66.87 | 55.87 | 71.84 | a | |||||||||
1957 | 51.39 | 58.79 | 63.61 | 70.20 | 76.47 | a | 93.10 | 95.16 | 96.26 | 90.50 | 72.63 | a | 63.00 | a | 52.13 | 73.60 | ||||||||||
1958 | 52.77 | 60.39 | 58.90 | 68.83 | 82.97 | 85.87 | 93.37 | a | 96.55 | 89.93 | 82.81 | 67.87 | 62.13 | 75.20 | ||||||||||||
1959 | 56.19 | 57.61 | 69.06 | 77.53 | 79.35 | 91.53 | 97.87 | 92.77 | 84.37 | 80.61 | 69.60 | 58.52 | 76.25 | |||||||||||||
1960 | 53.42 | 58.72 | 65.52 | 70.90 | 77.74 | 95.07 | 97.65 | 93.29 | 89.70 | 78.00 | 62.00 | 51.65 | 74.47 | |||||||||||||
1961 | 46.39 | 60.75 | 61.94 | 73.43 | 76.13 | 92.43 | 98.42 | 94.10 | 86.90 | 79.74 | 63.90 | 50.71 | 73.74 | |||||||||||||
1962 | 48.35 | 53.50 | 60.55 | 77.33 | 78.19 | 90.83 | a | 94.74 | 92.71 | 87.53 | 75.23 | 67.23 | 52.35 | 73.21 | ||||||||||||
1963 | 50.13 | 64.29 | 62.55 | 62.87 | 75.65 | 85.90 | 91.74 | 92.03 | 88.13 | 76.39 | 58.50 | 43.74 | 70.99 | |||||||||||||
1964 | 51.61 | 60.66 | 63.23 | 71.47 | 76.84 | 85.30 | 94.61 | 93.06 | 84.97 | 82.00 | 58.63 | 55.29 | 73.14 | |||||||||||||
1965 | 51.48 | 57.82 | 62.61 | 66.03 | 79.35 | 81.97 | 92.42 | 92.00 | 82.30 | 81.42 | 64.03 | 47.84 | 71.61 | |||||||||||||
1966 | 54.19 | 58.11 | 64.84 | 77.87 | 83.26 | 88.37 | 90.71 | 96.06 | 88.50 | 84.03 | 68.37 | 52.50 | a | 75.57 | ||||||||||||
1967 | 53.81 | 56.32 | 62.77 | 59.17 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.77 | a | 71.57 | 55.68 | 63.01 | e | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 52.59 | 58.98 | 63.74 | 70.58 | 80.37 | 89.02 | 95.84 | 93.88 | 87.96 | 78.56 | 65.73 | 54.16 | 74.51 | |||||||||||||
S.D. | 3.39 | 2.92 | 3.26 | 4.42 | 3.45 | 3.58 | 2.46 | 2.27 | 3.25 | 3.13 | 3.87 | 3.83 | 1.75 | |||||||||||||
SKEW | -0.03 | 0.80 | 0.25 | -0.16 | 0.04 | 0.20 | 0.29 | -0.24 | -0.54 | -0.38 | 0.11 | -0.09 | -0.13 | |||||||||||||
MAX | 59.35 | 68.00 | 70.87 | 79.53 | 87.74 | 97.23 | 102.84 | 98.61 | 94.63 | 85.19 | 73.17 | 62.13 | 77.10 | |||||||||||||
MIN | 45.83 | 53.50 | 58.10 | 59.17 | 73.03 | 81.97 | 90.71 | 88.61 | 78.27 | 71.39 | 58.50 | 43.74 | 70.99 | |||||||||||||
YRS | 49 | 46 | 46 | 50 | 46 | 48 | 49 | 48 | 46 | 43 | 46 | 47 | 30 |