YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.45 | 74.45 | k | |
1908 | 66.48 | 64.79 | 74.19 | 82.30 | 84.90 | 97.03 | 103.00 | d | 100.94 | 94.47 | 80.06 | 75.70 | 62.39 | 82.19 | ||||||||||||
1909 | 64.94 | 63.75 | 68.84 | 82.13 | 87.81 | 101.43 | 103.13 | 95.81 | 91.93 | 85.26 | ----- | z | ----- | z | 84.50 | b | ||||||||||
1910 | 51.58 | 53.75 | 61.90 | 68.73 | ----- | z | 95.40 | ----- | z | 100.03 | 95.47 | 79.65 | ----- | z | 59.00 | 73.95 | c | |||||||||
1911 | 61.10 | a | 60.39 | 70.23 | 72.62 | a | 84.10 | 95.07 | 98.97 | 101.97 | 94.80 | 85.06 | 71.13 | 55.61 | 79.25 | |||||||||||
1912 | 62.52 | 71.41 | 66.55 | ----- | z | 88.87 | 99.67 | 99.74 | 102.03 | 96.40 | 82.26 | 74.37 | 60.81 | 82.24 | a | |||||||||||
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 101.78 | m | 97.00 | 87.35 | 73.20 | 62.90 | 80.11 | h | ||||
1914 | 66.87 | 68.43 | 77.97 | 84.13 | 91.29 | 99.93 | 102.61 | 104.29 | 97.57 | 84.87 | 78.30 | 59.55 | 84.65 | |||||||||||||
1915 | 60.48 | 63.54 | 72.65 | 80.73 | 87.16 | 101.77 | 102.16 | 105.29 | 94.90 | 92.55 | 74.77 | 64.77 | 83.40 | |||||||||||||
1916 | 58.81 | 73.24 | 79.58 | 85.47 | 91.90 | 103.67 | 105.16 | 100.45 | 96.37 | 82.87 | 75.13 | 62.55 | 84.60 | |||||||||||||
1917 | 59.84 | 68.11 | 72.00 | 79.83 | 84.26 | 105.90 | 105.13 | 102.97 | 99.07 | 93.16 | 79.70 | 75.48 | 85.45 | |||||||||||||
1918 | 63.39 | 68.64 | 73.06 | 82.27 | 86.61 | 105.83 | 103.16 | 99.55 | 98.17 | 86.26 | 71.00 | 62.26 | 83.35 | |||||||||||||
1919 | 65.61 | 62.26 | a | 69.03 | 85.40 | 91.55 | 104.23 | 102.10 | a | 103.16 | 95.23 | 80.07 | a | 69.63 | 66.58 | 82.91 | ||||||||||
1920 | 63.77 | 64.97 | 68.71 | 77.93 | 90.77 | 98.20 | 107.71 | 99.65 | 95.17 | 81.32 | 73.30 | 63.68 | 82.10 | |||||||||||||
1921 | 64.57 | a | 71.54 | 77.10 | 82.07 | a | 86.57 | a | 100.33 | 101.77 | 98.35 | 97.50 | b | 86.87 | a | 77.47 | 66.48 | 84.22 | ||||||||
1922 | 59.52 | 64.54 | 68.81 | 76.07 | 92.39 | 102.33 | 104.71 | 101.00 | 98.87 | 87.48 | 70.70 | 66.13 | 82.71 | |||||||||||||
1923 | 68.97 | 66.57 | 71.39 | 78.52 | a | 92.48 | 94.27 | 99.81 | 97.55 | 92.60 | 82.00 | 70.40 | 59.45 | 81.17 | ||||||||||||
1924 | 63.65 | 72.55 | 67.61 | 77.53 | 92.52 | 103.00 | 102.10 | 103.97 | 98.73 | 84.65 | 77.60 | 61.90 | 83.82 | |||||||||||||
1925 | 64.97 | 73.64 | 77.55 | 82.57 | 92.10 | 96.00 | 103.13 | 99.74 | 93.73 | 80.16 | 71.83 | 65.97 | 83.45 | |||||||||||||
1926 | 63.42 | 71.46 | 76.26 | 79.63 | 90.90 | 102.27 | 103.87 | 102.68 | 96.40 | 89.35 | 77.77 | 60.06 | 84.51 | |||||||||||||
1927 | 68.42 | 67.68 | 71.23 | 82.47 | 93.19 | 99.50 | 105.45 | 99.77 | 95.03 | 88.68 | 77.30 | 61.16 | 84.16 | |||||||||||||
1928 | 69.61 | 69.07 | 78.77 | 83.87 | 93.84 | 101.20 | 106.61 | 103.10 | 102.07 | a | 87.45 | 74.00 | a | 65.16 | 86.23 | |||||||||||
1929 | 62.06 | 65.50 | 74.23 | 80.00 | 92.65 | 101.63 | 104.77 | 102.39 | 96.24 | a | 89.65 | 75.37 | 73.87 | 84.86 | ||||||||||||
1930 | 60.30 | a | 75.04 | 73.00 | 86.28 | a | 86.45 | b | 102.20 | 103.84 | 102.90 | 96.20 | 86.32 | 74.93 | a | 67.32 | 84.56 | |||||||||
1931 | 67.40 | a | 66.39 | 76.87 | 86.07 | 95.19 | 99.20 | 107.43 | c | 100.81 | 96.97 | 87.13 | a | 66.87 | 62.42 | e | 84.40 | |||||||||
1932 | 58.52 | 66.52 | b | 76.20 | a | 84.93 | 91.13 | 100.47 | 104.03 | 104.03 | 102.03 | a | 85.48 | 80.63 | 59.62 | b | 84.47 | |||||||||
1933 | 60.27 | a | 62.36 | 76.74 | 79.69 | a | 86.39 | 101.50 | 107.35 | 105.58 | 100.33 | 92.42 | 79.50 | 70.16 | 85.19 | |||||||||||
1934 | 69.90 | 74.15 | a | 87.16 | 90.69 | a | 97.19 | 96.61 | b | 106.45 | 103.17 | b | 98.73 | 90.06 | 75.40 | 67.06 | 88.05 | |||||||||
1935 | 64.71 | 67.54 | 70.94 | 83.52 | a | 87.32 | 104.93 | 104.42 | 100.95 | i | 99.47 | 87.26 | 73.30 | 67.65 | 82.82 | a | ||||||||||
1936 | 67.17 | a | 68.62 | 80.19 | 89.87 | 95.71 | g | 105.00 | 106.00 | 104.06 | 97.83 | 88.42 | 76.13 | 66.06 | 86.31 | a | ||||||||||
1937 | 52.90 | a | 67.43 | 73.63 | a | 83.37 | 93.65 | 101.70 | c | 104.43 | a | 105.85 | e | 101.90 | a | 92.74 | 80.53 | 70.26 | 85.70 | |||||||
1938 | 68.97 | 66.07 | a | 71.00 | 84.33 | 91.60 | a | 101.21 | a | 106.52 | 103.42 | 101.43 | 87.55 | 72.73 | 69.28 | f | 86.80 | a | ||||||||
1939 | 63.00 | 58.75 | 76.29 | 85.57 | 94.12 | e | 102.33 | 106.35 | 104.55 | 91.40 | 85.94 | 77.40 | 73.90 | 84.97 | ||||||||||||
1940 | 68.81 | 68.43 | a | 80.13 | 85.62 | a | 97.19 | 105.37 | 106.90 | 105.42 | 96.69 | a | 87.32 | 72.48 | e | 66.26 | 86.72 | |||||||||
1941 | 62.90 | 66.36 | 69.43 | a | 72.47 | 90.30 | d | 97.80 | 104.16 | 98.90 | 94.20 | 79.43 | c | 76.50 | 64.81 | 81.44 | ||||||||||
1942 | 66.32 | 64.61 | 72.23 | 78.80 | 91.03 | 101.03 | 107.29 | 101.94 | 98.60 | 86.77 | 78.23 | 69.65 | 84.71 | |||||||||||||
1943 | 65.06 | 71.93 | 77.10 | 86.27 | 93.68 | 98.33 | 106.10 | 99.67 | a | 100.07 | 86.42 | 77.57 | 64.45 | 85.55 | ||||||||||||
1944 | 64.35 | 62.03 | 69.42 | 77.50 | 90.19 | 95.90 | 104.16 | 106.19 | 97.50 | 88.74 | 68.50 | 67.13 | 82.64 | |||||||||||||
1945 | 64.23 | 66.93 | 67.58 | 82.13 | 90.84 | 98.27 | 106.13 | 101.74 | 99.87 | 89.23 | 77.47 | 64.23 | a | 84.05 | ||||||||||||
1946 | 64.23 | 69.32 | 76.19 | 87.77 | 91.23 | 103.10 | 102.58 | 101.94 | 98.03 | 80.16 | 68.37 | 68.94 | 84.32 | |||||||||||||
1947 | 63.90 | 75.25 | 77.61 | 83.97 | 95.17 | a | 98.80 | 107.00 | 100.74 | 100.60 | 87.81 | 68.90 | a | 62.58 | 85.19 | |||||||||||
1948 | 69.61 | 65.79 | 68.39 | 84.43 | 92.29 | 98.97 | 105.06 | 102.58 | 99.47 | 86.45 | 72.10 | 62.74 | 83.99 | |||||||||||||
1949 | 51.48 | 65.00 | 73.13 | 86.63 | 90.16 | 100.40 | 104.81 | d | 103.77 | 100.07 | 84.32 | 83.23 | 64.55 | 83.96 | ||||||||||||
1950 | 62.94 | 74.11 | 78.16 | 88.37 | 90.68 | 99.37 | 99.65 | 103.87 | 94.33 | 94.13 | 81.50 | 75.23 | 86.86 | |||||||||||||
1951 | 65.03 | 68.39 | 74.32 | 80.57 | 90.71 | 97.90 | 106.42 | 99.35 | 98.57 | 86.55 | 71.67 | 61.81 | 83.44 | |||||||||||||
1952 | 62.55 | 66.90 | 65.03 | 79.57 | 93.45 | 97.77 | 103.55 | 103.13 | 99.60 | 94.43 | a | 69.50 | 63.13 | 83.22 | ||||||||||||
1953 | 70.16 | 69.39 | 76.19 | 80.20 | 84.00 | d | 97.87 | 102.97 | 102.14 | b | 101.67 | 88.48 | 77.77 | 67.58 | 84.87 | |||||||||||
1954 | 65.71 | 77.29 | 72.00 | 87.43 | 92.30 | a | 97.80 | 103.65 | 99.35 | 98.87 | 90.48 | 79.67 | 67.81 | 86.03 | ||||||||||||
1955 | 57.84 | 64.68 | 75.20 | a | 80.88 | e | 88.23 | 98.71 | b | 99.42 | 98.23 | 99.80 | 91.10 | 74.82 | b | 69.81 | 83.23 | |||||||||
1956 | 70.50 | g | 65.76 | 82.63 | d | 83.12 | d | 92.81 | 104.13 | 102.87 | 103.87 | 104.87 | 89.03 | a | 75.50 | 69.21 | b | 88.53 | a | |||||||
1957 | 64.63 | d | 73.68 | 74.33 | a | 80.59 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 73.31 | h | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 63.61 | 67.64 | 73.65 | 82.19 | 90.72 | 100.32 | 104.14 | 101.96 | 97.69 | 86.76 | 74.89 | 65.51 | 84.16 | |||||||||||||
S.D. | 4.38 | 4.58 | 4.78 | 4.39 | 3.27 | 2.98 | 2.29 | 2.38 | 2.86 | 3.91 | 3.86 | 4.53 | 1.63 | |||||||||||||
SKEW | -0.95 | -0.28 | 0.13 | -0.71 | -0.37 | 0.04 | -0.50 | -0.34 | -0.02 | -0.15 | -0.07 | 0.40 | -0.41 | |||||||||||||
MAX | 70.16 | 77.29 | 87.16 | 90.69 | 97.19 | 105.90 | 107.71 | 106.19 | 104.87 | 94.43 | 83.23 | 75.48 | 88.05 | |||||||||||||
MIN | 51.48 | 53.75 | 61.90 | 68.73 | 84.00 | 94.27 | 98.97 | 95.81 | 91.40 | 79.43 | 66.87 | 55.61 | 79.25 | |||||||||||||
YRS | 48 | 49 | 49 | 48 | 46 | 48 | 47 | 47 | 49 | 49 | 47 | 48 | 41 |