YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | 56.26 | 56.43 | 66.29 | 73.57 | 83.65 | 89.03 | 86.11 | l | ----- | z | 83.78 | u | 72.52 | 66.31 | a | 47.13 | a | 67.91 | c | |||||||
1915 | 48.71 | 50.75 | 57.13 | 66.77 | 70.97 | 84.37 | 85.68 | 85.84 | 79.40 | 77.68 | 63.93 | a | 51.77 | 68.58 | ||||||||||||
1916 | 47.20 | a | 62.07 | a | 66.23 | 69.33 | 76.03 | 86.33 | 85.10 | a | 83.47 | a | 81.41 | c | 69.23 | a | 63.13 | 50.55 | 70.01 | |||||||
1917 | 47.67 | a | 53.48 | a | 58.58 | 65.63 | 68.81 | 84.31 | n | 83.36 | c | 79.87 | a | 79.17 | a | 76.66 | b | 66.28 | a | 63.35 | 67.53 | a | ||||
1918 | 50.29 | 53.86 | 61.32 | 65.50 | 70.06 | 85.86 | i | 85.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.34 | f | ||||||
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 | 76.81 | 61.03 | 55.39 | 64.41 | i | |||
1936 | 57.00 | 54.59 | 64.35 | 74.30 | 82.65 | 93.83 | 94.06 | 92.19 | 83.60 | 75.48 | 62.83 | 54.52 | 74.12 | |||||||||||||
1937 | 41.61 | 55.93 | 60.68 | 71.57 | 81.26 | 87.83 | 93.58 | 94.81 | 88.37 | 79.81 | 68.31 | a | 54.77 | 73.21 | ||||||||||||
1938 | 57.36 | c | 55.15 | b | 61.29 | 73.46 | d | 80.64 | c | 91.37 | 93.97 | 92.39 | 89.90 | 78.74 | 63.43 | 59.42 | 74.76 | |||||||||
1939 | 53.03 | 47.96 | a | 65.45 | 74.57 | 81.87 | 91.10 | 94.77 | 90.52 | 83.75 | f | 76.77 | 64.73 | 62.87 | a | 73.06 | a | |||||||||
1940 | 56.32 | 57.45 | 67.32 | 72.30 | 84.68 | 93.93 | 96.77 | 90.81 | 84.47 | 75.87 | 61.43 | 57.63 | a | 74.92 | ||||||||||||
1941 | 54.03 | 57.46 | 61.45 | 63.00 | 77.26 | 84.33 | 90.03 | 89.29 | 83.73 | 69.55 | 66.30 | 54.42 | 70.91 | |||||||||||||
1942 | 56.45 | 54.64 | 62.19 | 69.30 | 78.84 | 90.80 | 95.42 | 91.06 | 88.30 | 75.97 | 69.83 | 59.35 | 74.35 | |||||||||||||
1943 | 55.73 | a | 62.89 | 64.58 | 77.00 | a | 84.19 | j | 88.90 | i | 95.61 | 88.06 | 88.50 | 74.68 | 67.33 | 54.71 | 72.91 | b | ||||||||
1944 | 56.13 | 52.24 | 59.37 | a | 66.52 | a | 77.84 | 84.50 | 92.00 | 93.00 | 85.23 | 77.90 | 58.70 | 57.80 | a | 71.77 | ||||||||||
1945 | 54.71 | 59.88 | c | 56.33 | d | 68.87 | 78.39 | 86.43 | 92.90 | 91.58 | 87.67 | 76.71 | 67.34 | a | 54.77 | 72.97 | ||||||||||
1946 | 51.71 | 59.07 | 64.90 | 77.03 | 79.87 | 95.53 | 94.52 | 89.32 | 84.70 | 69.77 | 59.20 | 60.94 | 73.88 | |||||||||||||
1947 | 52.77 | 64.32 | 66.68 | 72.43 | 83.06 | 88.83 | 97.35 | 89.29 | 90.73 | 77.97 | 58.23 | 53.48 | 74.60 | |||||||||||||
1948 | 59.48 | 54.31 | 56.90 | 74.30 | 80.94 | 88.47 | 92.35 | 91.29 | 87.86 | a | 74.10 | 58.87 | 53.40 | f | 74.44 | a | ||||||||||
1949 | 41.23 | a | 52.71 | 61.61 | 71.90 | 78.06 | 86.13 | 88.87 | 90.74 | 86.73 | 70.10 | 70.27 | 52.71 | 70.92 | ||||||||||||
1950 | 52.26 | 60.96 | 63.67 | a | 74.03 | 78.06 | 88.80 | 89.29 | g | 91.71 | 82.60 | 82.94 | 68.73 | 63.06 | 73.35 | a | ||||||||||
1951 | 53.29 | 55.79 | 60.68 | 67.50 | 76.35 | 86.27 | 94.00 | a | 86.94 | 86.37 | 73.29 | 59.33 | 51.23 | 70.92 | ||||||||||||
1952 | 52.74 | 55.14 | 52.90 | 67.33 | 79.77 | 86.57 | 90.68 | 89.81 | 88.17 | 82.94 | 56.80 | 51.97 | 71.23 | |||||||||||||
1953 | 60.23 | 57.68 | 62.45 | 68.13 | 71.74 | 89.55 | a | 89.84 | 88.71 | 89.77 | 75.55 | 65.83 | 53.81 | 72.77 | ||||||||||||
1954 | 57.03 | 65.11 | 58.97 | 74.93 | 80.37 | a | 86.93 | 90.90 | 85.32 | 85.86 | a | 78.87 | 68.93 | 57.52 | 74.23 | |||||||||||
1955 | 48.10 | 52.43 | 64.81 | 71.00 | c | 79.10 | a | 87.53 | 88.68 | 84.71 | 86.63 | 80.48 | d | 61.04 | e | 58.52 | 71.92 | |||||||||
1956 | 57.29 | 50.86 | 67.32 | 67.83 | 80.97 | 91.47 | 90.35 | 89.65 | 91.70 | 76.13 | a | 62.70 | 56.68 | 73.58 | ||||||||||||
1957 | 50.48 | 62.93 | 60.19 | 66.27 | 72.65 | 88.63 | 91.77 | 86.23 | 87.24 | a | 67.94 | 56.67 | 58.65 | 70.80 | ||||||||||||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | 57.55 | 54.64 | 65.06 | 74.47 | 78.42 | 92.67 | 94.29 | 85.65 | 84.50 | 75.29 | 63.00 | 54.82 | c | 73.36 | ||||||||||||
1960 | 48.93 | a | 51.00 | 67.86 | c | 72.89 | c | 78.86 | b | 92.97 | 93.77 | 90.63 | a | 88.17 | 72.03 | 64.43 | 54.52 | 73.01 | ||||||||
1961 | 57.13 | 60.71 | 61.61 | 73.21 | b | 79.61 | c | 92.50 | 93.45 | 88.84 | 82.13 | 74.57 | a | 60.10 | 53.07 | d | 73.08 | |||||||||
1962 | 53.14 | b | 57.36 | 57.26 | 75.27 | 77.53 | a | 87.83 | 92.13 | 95.00 | 86.27 | 75.55 | 67.66 | a | 57.26 | 73.52 | ||||||||||
1963 | 53.26 | 62.68 | 61.55 | 67.17 | a | 81.68 | 85.53 | 94.32 | 84.97 | 84.97 | 78.06 | 61.28 | a | 59.26 | 72.89 | |||||||||||
1964 | 53.97 | 54.38 | 57.90 | 66.80 | 78.35 | 87.17 | ----- | z | 88.03 | a | 81.87 | 78.77 | 58.57 | 52.47 | a | 68.93 | a | |||||||||
1965 | 55.97 | a | 56.44 | a | 57.81 | d | 66.47 | 75.33 | a | 83.23 | 90.97 | 92.06 | 84.73 | 80.84 | 65.33 | 53.82 | c | 71.92 | ||||||||
1966 | 51.48 | 52.04 | 64.94 | 73.63 | 82.48 | 89.30 | 94.03 | 90.42 | 82.80 | 74.06 | 66.87 | 53.97 | 73.00 | |||||||||||||
1967 | 56.10 | 61.43 | 65.03 | 65.47 | 78.97 | 86.41 | a | 90.94 | 89.97 | 84.17 | 79.48 | 66.23 | 48.39 | 72.71 | ||||||||||||
1968 | 53.61 | 61.07 | 62.27 | a | 66.57 | 77.74 | 89.70 | 89.52 | 84.68 | 85.53 | 76.81 | 61.77 | 52.00 | 71.77 | ||||||||||||
1969 | 55.71 | 54.57 | 59.45 | 72.00 | 79.87 | 86.23 | 91.84 | 93.13 | 87.53 | 71.63 | a | 62.17 | 56.26 | 72.53 | ||||||||||||
1970 | 54.81 | 61.44 | a | 59.23 | 66.53 | 81.26 | 89.73 | 94.94 | 91.61 | 82.61 | b | 71.13 | 66.03 | a | 56.19 | 72.96 | ||||||||||
1971 | 58.45 | 58.82 | 68.07 | a | 70.20 | 76.35 | 89.63 | 95.26 | 86.58 | 85.93 | 68.61 | 61.17 | 49.90 | 72.42 | ||||||||||||
1972 | 57.42 | 63.32 | a | 74.74 | 74.67 | 81.13 | 88.76 | a | 95.55 | 90.39 | 85.47 | 69.07 | a | 56.87 | 51.68 | 74.09 | ||||||||||
1973 | 49.61 | 52.93 | a | 52.21 | b | 65.37 | c | 78.83 | b | 88.21 | a | 91.00 | 91.61 | 87.10 | a | 79.00 | 63.45 | a | 58.87 | 71.52 | ||||||
1974 | 51.71 | 58.39 | 63.77 | 70.67 | 81.94 | 95.33 | 89.19 | 88.58 | 82.52 | a | 70.67 | a | 61.07 | 50.87 | 72.06 | |||||||||||
1975 | 53.81 | 54.14 | 56.65 | 60.93 | 75.39 | 86.20 | 87.57 | a | 91.06 | 83.60 | 72.97 | 60.93 | 51.10 | 69.53 | ||||||||||||
1976 | 52.13 | 53.72 | 54.68 | 63.40 | 73.71 | 85.33 | 83.77 | 86.90 | 75.73 | 65.48 | 59.77 | 54.19 | 67.40 | |||||||||||||
1977 | 49.23 | 60.21 | 57.10 | a | 69.33 | 71.39 | 87.53 | 88.94 | 86.71 | 81.53 | 72.97 | 61.67 | 54.74 | 70.11 | ||||||||||||
1978 | 51.35 | 53.79 | 62.61 | 69.53 | 74.39 | 85.07 | 87.87 | 86.97 | b | 81.07 | 73.97 | 54.80 | 47.39 | 69.07 | ||||||||||||
1979 | 42.26 | 54.50 | 57.16 | 67.86 | a | 73.24 | b | 85.00 | b | 90.57 | a | 84.48 | f | 86.83 | ----- | z | ----- | z | ----- | z | 69.68 | d | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 53.06 | 56.74 | 61.68 | 69.93 | 78.09 | 88.51 | 91.50 | 89.12 | 85.18 | 75.01 | 62.99 | 54.95 | 72.24 | |||||||||||||
S.D. | 4.35 | 4.13 | 4.41 | 3.92 | 3.77 | 3.05 | 3.46 | 3.12 | 3.24 | 4.04 | 3.84 | 3.89 | 1.78 | |||||||||||||
SKEW | -0.95 | 0.23 | 0.22 | -0.10 | -0.66 | 0.56 | -0.61 | -0.55 | -0.47 | -0.21 | -0.01 | 0.22 | -0.73 | |||||||||||||
MAX | 60.23 | 65.11 | 74.74 | 77.03 | 84.68 | 95.53 | 97.35 | 95.00 | 91.70 | 82.94 | 70.27 | 63.35 | 74.92 | |||||||||||||
MIN | 41.23 | 47.96 | 52.21 | 60.93 | 68.81 | 83.23 | 83.36 | 79.87 | 75.73 | 65.48 | 54.80 | 47.13 | 67.40 | |||||||||||||
YRS | 48 | 48 | 48 | 48 | 47 | 45 | 45 | 45 | 45 | 47 | 47 | 46 | 39 |