YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1926 | 63.16 | 73.18 | 79.16 | 81.00 | 91.81 | 103.10 | a | 102.45 | 104.19 | 97.53 | 87.87 | 75.90 | 62.65 | 85.17 | ||||||||||||
1927 | 70.97 | 70.82 | 75.26 | 82.47 | 93.10 | 97.80 | 104.42 | 100.29 | 95.93 | 87.68 | 77.93 | 63.71 | 85.03 | |||||||||||||
1928 | 70.35 | 70.17 | 81.00 | 84.87 | 92.00 | 98.90 | 105.10 | 101.03 | 100.20 | 87.90 | 76.50 | 67.84 | 86.32 | |||||||||||||
1929 | 66.74 | 67.75 | 74.71 | 79.03 | 90.61 | 99.43 | 101.29 | 100.06 | 95.57 | 87.16 | 72.17 | 71.65 | 83.85 | |||||||||||||
1930 | 61.87 | 75.96 | 74.10 | 86.03 | 85.55 | 101.47 | 102.16 | 101.68 | 95.67 | 85.35 | 72.20 | 65.39 | 83.95 | |||||||||||||
1931 | 66.03 | 67.46 | 76.39 | 84.53 | 94.32 | 99.07 | 104.65 | 99.35 | 96.30 | 85.65 | 66.20 | 61.10 | 83.42 | |||||||||||||
1932 | 58.94 | 67.28 | 74.19 | 83.30 | 90.55 | 98.00 | 101.42 | 102.45 | 99.10 | 83.48 | 76.87 | 59.00 | 82.88 | |||||||||||||
1933 | 60.84 | 62.32 | 77.19 | 78.20 | 86.10 | 100.17 | 105.10 | 102.74 | 98.20 | 89.06 | 77.07 | 66.23 | 83.60 | |||||||||||||
1934 | 67.52 | 73.71 | 84.23 | 88.47 | 96.74 | 97.83 | 104.26 | 99.19 | 97.28 | a | 89.16 | 72.40 | 64.94 | 86.31 | ||||||||||||
1935 | 62.77 | 67.57 | 67.19 | 79.43 | 85.19 | 102.77 | 104.13 | 97.61 | 96.57 | 86.13 | 69.40 | 65.35 | 82.01 | |||||||||||||
1936 | 65.23 | 67.90 | 78.29 | 87.47 | 96.03 | 102.93 | 102.68 | 100.87 | 94.93 | 85.48 | 73.30 | 64.03 | 84.93 | |||||||||||||
1937 | 53.55 | 67.29 | 72.19 | 82.47 | 93.42 | 99.13 | 102.94 | 102.52 | 98.37 | 89.03 | 74.87 | 67.48 | 83.60 | |||||||||||||
1938 | 68.35 | 67.75 | 71.35 | 82.83 | 90.23 | 98.60 | 100.06 | 100.10 | 98.93 | 85.97 | 71.97 | 68.29 | 83.70 | |||||||||||||
1939 | 64.42 | 59.89 | 76.97 | 86.13 | 93.39 | 100.13 | 102.87 | 100.42 | 92.77 | 85.84 | 77.40 | 71.97 | 84.35 | |||||||||||||
1940 | 68.61 | 69.07 | 78.87 | 83.53 | 95.23 | 101.57 | 104.03 | 102.94 | 96.00 | 85.42 | 71.53 | 67.32 | 85.34 | |||||||||||||
1941 | 65.06 | 69.11 | 71.71 | 74.93 | 89.55 | 95.70 | 101.58 | 99.55 | 95.27 | 81.35 | 77.23 | 66.26 | 82.28 | |||||||||||||
1942 | 67.71 | 67.07 | 73.58 | 80.67 | 91.52 | 101.10 | 103.77 | 99.81 | 98.73 | 86.29 | 79.27 | 70.16 | 84.97 | |||||||||||||
1943 | 65.65 | 74.39 | 78.13 | 87.90 | 94.16 | 98.83 | 105.32 | 98.58 | 99.73 | 86.87 | 79.23 | 65.45 | 86.19 | |||||||||||||
1944 | 65.32 | 65.17 | 72.50 | a | 79.67 | 90.19 | 97.37 | 102.94 | 103.68 | 96.10 | 89.00 | 69.70 | 66.48 | 83.18 | ||||||||||||
1945 | 63.90 | 69.21 | 69.48 | 82.07 | 91.87 | 97.90 | 101.74 | 99.84 | 99.43 | 88.42 | 75.70 | 64.16 | 83.64 | |||||||||||||
1946 | 62.74 | 68.96 | 76.35 | 89.33 | 92.87 | 104.67 | 104.52 | 102.58 | 98.70 | 81.68 | 69.10 | 69.06 | 85.05 | |||||||||||||
1947 | 63.58 | 75.21 | 77.52 | 83.93 | 94.52 | 100.30 | 108.03 | 101.97 | 102.10 | 89.65 | 70.33 | 64.68 | 85.98 | |||||||||||||
1948 | 69.13 | 67.21 | 69.06 | 85.83 | 93.32 | 100.27 | 104.74 | 103.97 | 101.10 | 89.71 | 73.87 | 66.00 | 85.35 | |||||||||||||
1949 | 54.84 | 67.00 | 75.23 | 85.90 | 91.87 | 100.47 | 103.52 | 104.10 | 100.90 | 85.97 | 84.83 | 68.61 | 85.27 | |||||||||||||
1950 | 66.03 | 74.79 | 78.29 | 89.00 | 91.48 | 100.07 | 101.26 | 103.23 | 96.70 | 96.97 | 83.63 | 76.74 | 88.18 | |||||||||||||
1951 | 67.90 | 70.00 | 75.81 | 81.73 | 91.19 | 99.33 | 105.10 | 101.07 | a | 100.10 | 89.77 | 73.80 | 65.42 | 85.10 | ||||||||||||
1952 | 64.55 | 69.59 | 68.06 | 81.10 | 95.16 | 100.20 | 102.90 | 102.71 | 100.03 | 95.77 | 72.23 | 65.35 | 84.81 | |||||||||||||
1953 | 71.58 | 71.25 | 76.29 | 82.00 | 85.61 | 100.87 | 102.23 | 102.97 | 102.00 | 89.87 | 78.93 | 67.32 | 85.91 | |||||||||||||
1954 | 68.61 | 79.18 | 73.45 | 89.27 | 93.23 | 98.90 | 102.23 | 98.55 | 98.87 | 91.00 | 81.87 | 69.39 | 87.04 | |||||||||||||
1955 | 60.48 | 67.57 | 77.39 | 82.17 | 89.35 | 98.40 | 99.03 | 97.23 | 99.13 | 93.65 | 76.60 | 72.81 | 84.48 | |||||||||||||
1956 | 71.68 | 66.07 | 80.74 | 82.23 | 93.39 | 102.70 | 101.68 | 100.39 | 102.17 | 87.90 | 75.57 | 70.55 | 86.25 | |||||||||||||
1957 | 65.16 | 74.79 | 75.52 | 80.97 | 86.35 | 101.73 | 103.71 | 100.61 | 99.10 | 83.00 | 71.03 | 70.19 | 84.35 | |||||||||||||
1958 | 69.52 | 71.57 | 68.13 | 80.73 | 96.71 | 101.00 | 105.00 | 104.42 | 99.83 | 90.32 | 76.17 | 75.48 | 86.57 | |||||||||||||
1959 | 70.81 | 67.82 | 79.16 | 89.07 | 92.26 | 106.77 | 107.71 | 101.23 | 99.63 | 89.06 | 76.27 | 66.74 | 87.21 | |||||||||||||
1960 | 61.32 | 65.79 | 80.87 | 87.10 | 94.68 | 107.03 | 108.26 | 104.06 | 103.17 | 85.52 | 77.73 | 67.74 | 86.94 | |||||||||||||
1961 | 70.23 | 73.18 | 76.03 | 85.93 | 93.77 | 105.50 | 106.13 | 102.42 | 95.37 | 88.39 | 71.07 | 64.71 | 86.06 | |||||||||||||
1962 | 63.39 | 68.71 | 70.13 | 90.33 | 91.10 | 101.53 | 104.87 | 107.23 | 98.03 | 89.16 | 79.87 | 69.45 | 86.15 | |||||||||||||
1963 | 62.68 | 75.46 | 75.19 | 81.03 | 97.35 | 99.47 | 107.19 | 100.71 | 100.87 | 91.74 | 75.10 | 69.77 | 86.38 | |||||||||||||
1964 | 63.52 | 66.38 | 70.81 | 80.87 | 92.00 | 101.07 | 105.61 | 99.19 | 95.07 | 91.32 | 70.10 | 66.29 | 83.52 | |||||||||||||
1965 | 65.35 | 67.59 | a | 70.48 | 79.37 | 89.39 | 96.40 | 104.68 | 104.35 | 95.83 | 92.03 | 76.73 | 64.48 | 83.89 | ||||||||||||
1966 | 61.84 | 62.86 | 76.58 | 86.63 | 96.03 | 103.23 | 105.58 | 102.90 | 96.43 | 87.84 | 76.83 | 67.10 | 85.32 | |||||||||||||
1967 | 65.48 | 71.61 | 77.19 | 76.30 | 91.03 | 96.37 | 103.65 | 102.90 | 98.30 | 90.35 | 78.70 | 59.58 | 84.29 | |||||||||||||
1968 | 65.00 | 72.00 | 73.94 | 81.70 | 93.45 | 103.80 | 102.87 | 99.65 | 99.57 | 88.68 | 73.50 | 63.29 | 84.79 | |||||||||||||
1969 | 66.00 | 65.71 | 70.74 | 84.13 | 88.60 | p | 99.63 | 104.94 | 106.45 | 98.57 | 83.55 | 73.10 | 67.39 | 83.66 | a | |||||||||||
1970 | 65.55 | 73.43 | 71.74 | 79.60 | 95.97 | 103.73 | 107.32 | 103.65 | 95.60 | 84.19 | 76.33 | 65.29 | 85.20 | |||||||||||||
1971 | 67.26 | 70.64 | 78.90 | 82.33 | 89.29 | 100.90 | 106.48 | 100.06 | 98.53 | 81.26 | 73.53 | 61.29 | 84.21 | |||||||||||||
1972 | 65.94 | 74.07 | 85.84 | 85.93 | 93.77 | 100.93 | 107.32 | 102.58 | 97.77 | 81.26 | 67.97 | 62.16 | 85.46 | |||||||||||||
1973 | 61.23 | 66.71 | 65.26 | 80.57 | 95.10 | 102.87 | 105.58 | 104.90 | 100.13 | 90.65 | 73.40 | 69.16 | 84.63 | |||||||||||||
1974 | 64.68 | 70.36 | 76.71 | 85.07 | 95.13 | 106.83 | 102.77 | 103.19 | 97.53 | 85.90 | 73.67 | 62.10 | 85.33 | |||||||||||||
1975 | 65.03 | 67.11 | 71.77 | 76.30 | 91.23 | 101.60 | 104.35 | 105.06 | 98.87 | 87.10 | 74.57 | 66.65 | 84.14 | |||||||||||||
1976 | 67.68 | 71.86 | 74.26 | 81.90 | 93.23 | 103.03 | 103.29 | 103.42 | 94.27 | 83.10 | 75.33 | 67.84 | 84.93 | |||||||||||||
1977 | 63.10 | 73.68 | 71.61 | 85.43 | 87.06 | 104.63 | 105.26 | 104.16 | 97.70 | 89.87 | 77.03 | 70.00 | 85.80 | |||||||||||||
1978 | 65.00 | 67.86 | 76.39 | 83.30 | 93.58 | 106.57 | 107.35 | 103.77 | 99.03 | 92.48 | 72.83 | 62.61 | 85.90 | |||||||||||||
1979 | 58.35 | 68.71 | 72.68 | 85.03 | 91.55 | 103.73 | 107.32 | 102.26 | 104.00 | 92.45 | 73.60 | 71.00 | 85.89 | |||||||||||||
1980 | 66.29 | 71.34 | 72.10 | 84.03 | 88.61 | 105.00 | 108.03 | 103.19 | 99.87 | 89.81 | 78.83 | 75.39 | 86.87 | |||||||||||||
1981 | 71.06 | 73.71 | 73.97 | 88.80 | 92.65 | 106.00 | 105.32 | 105.65 | 100.57 | 85.77 | 80.03 | 70.61 | 87.85 | |||||||||||||
1982 | 64.87 | 70.50 | 72.58 | 84.67 | 92.45 | 101.17 | 103.87 | 102.90 | 98.37 | 87.90 | 71.87 | 64.26 | 84.62 | |||||||||||||
1983 | 67.81 | 67.36 | 71.16 | 78.43 | 93.03 | 101.00 | 105.81 | 101.55 | 100.70 | 86.29 | 74.73 | 66.55 | 84.53 | |||||||||||||
1984 | 68.03 | a | 72.79 | 80.97 | 82.07 | 99.77 | 102.23 | 102.29 | 101.48 | 98.67 | ----- | z | ----- | z | ----- | z | 89.81 | c | ||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 65.26 | 69.72 | 74.84 | 83.31 | 92.24 | 101.22 | 104.25 | 102.03 | 98.40 | 87.83 | 74.96 | 66.94 | 85.07 | |||||||||||||
S.D. | 3.75 | 3.65 | 4.13 | 3.54 | 3.08 | 2.76 | 2.09 | 2.16 | 2.30 | 3.38 | 3.72 | 3.71 | 1.31 | |||||||||||||
SKEW | -0.71 | 0.03 | 0.16 | -0.04 | -0.38 | 0.32 | -0.02 | -0.03 | -0.00 | 0.17 | 0.20 | 0.37 | 0.03 | |||||||||||||
MAX | 71.68 | 79.18 | 85.84 | 90.33 | 99.77 | 107.03 | 108.26 | 107.23 | 104.00 | 96.97 | 84.83 | 76.74 | 88.18 | |||||||||||||
MIN | 53.55 | 59.89 | 65.26 | 74.93 | 85.19 | 95.70 | 99.03 | 97.23 | 92.77 | 81.26 | 66.20 | 59.00 | 82.01 | |||||||||||||
YRS | 59 | 59 | 59 | 59 | 58 | 59 | 59 | 59 | 59 | 58 | 58 | 58 | 57 |