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 | 83.00 | u | 71.00 | 57.00 | ----- | z | ||
1914 | 60.00 | 69.00 | a | 82.00 | 88.00 | 97.00 | 105.00 | 103.00 | ----- | z | ----- | z | ----- | z | 74.00 | 66.00 | ----- | z | ||||||||
1915 | ----- | z | ----- | z | ----- | z | 84.00 | a | ----- | z | 100.00 | 99.00 | 104.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 105.00 | a | 101.00 | 98.00 | j | 80.00 | 75.00 | ----- | z | ----- | z | |||
1917 | ----- | z | 69.00 | 70.00 | ----- | z | ----- | z | 105.00 | ----- | z | ----- | z | ----- | z | 91.00 | i | 78.00 | 71.00 | ----- | z | |||||
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | 70.00 | g | 75.00 | 88.00 | 91.00 | m | 108.00 | o | 105.00 | a | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | 65.00 | e | 65.00 | 85.00 | 92.00 | 103.00 | 107.00 | 111.00 | 111.00 | 104.00 | 86.00 | 80.00 | 70.00 | d | 111.00 | i | ||||||||||
1940 | 69.00 | l | 73.00 | 88.00 | 91.00 | 100.00 | 113.00 | 112.00 | 114.00 | 95.00 | 90.00 | 78.00 | 72.00 | 114.00 | l | |||||||||||
1941 | 62.00 | 65.00 | 77.00 | 84.00 | 98.00 | 103.00 | 111.00 | 103.00 | 100.00 | 94.00 | 80.00 | 70.00 | 111.00 | |||||||||||||
1942 | 70.00 | 70.00 | 85.00 | 90.00 | 105.00 | 111.00 | 116.00 | 113.00 | 101.00 | 98.00 | 78.00 | 71.00 | 116.00 | |||||||||||||
1943 | 67.00 | 74.00 | 85.00 | 93.00 | 100.00 | 102.00 | 111.00 | 106.00 | 103.00 | 95.00 | 75.00 | 65.00 | 111.00 | |||||||||||||
1944 | 67.00 | 71.00 | 77.00 | 84.00 | 93.00 | 108.00 | 113.00 | 110.00 | 107.00 | 90.00 | a | 76.00 | a | 66.00 | 113.00 | b | ||||||||||
1945 | 70.00 | 75.00 | 79.00 | 95.00 | 97.00 | 105.00 | 109.00 | 105.00 | 104.00 | 91.00 | 80.00 | 66.00 | 109.00 | |||||||||||||
1946 | 67.00 | 75.00 | 80.00 | 95.00 | a | 97.00 | 103.00 | 106.00 | 109.00 | 103.00 | 84.00 | 69.00 | 68.00 | 109.00 | a | |||||||||||
1947 | 70.00 | 77.00 | 83.00 | 92.00 | 104.00 | 103.00 | 111.00 | 108.00 | 107.00 | 97.00 | 78.00 | 64.00 | 111.00 | |||||||||||||
1948 | 73.00 | 75.00 | 75.00 | 91.00 | 99.00 | 108.00 | 111.00 | 110.00 | 109.00 | 92.00 | 74.00 | 71.00 | 111.00 | |||||||||||||
1949 | 55.00 | 75.00 | a | 84.00 | 97.00 | 101.00 | 108.00 | a | 115.00 | 109.00 | 107.00 | 94.00 | 85.00 | 77.00 | e | 115.00 | g | |||||||||
1950 | 71.00 | 78.00 | 87.00 | 97.00 | 105.00 | 113.00 | 112.00 | 111.00 | 112.00 | 99.00 | 84.00 | 75.00 | 113.00 | |||||||||||||
1951 | 72.00 | 78.00 | 81.00 | 90.00 | 108.00 | 110.00 | a | 111.00 | 112.00 | 105.00 | 98.00 | a | 83.00 | 77.00 | 112.00 | b | ||||||||||
1952 | 78.00 | a | 71.00 | 80.00 | 92.00 | 105.00 | 105.00 | 112.00 | 111.00 | 109.00 | 100.00 | 84.00 | 72.00 | 112.00 | a | |||||||||||
1953 | 75.00 | b | 78.00 | 85.00 | 94.00 | 91.00 | 109.00 | 115.00 | g | 109.00 | 106.00 | 99.00 | 80.00 | 72.00 | 115.00 | i | ||||||||||
1954 | 74.00 | 82.00 | 80.00 | 97.00 | 103.00 | 118.00 | 112.00 | 112.00 | 112.00 | 96.00 | 83.00 | 67.00 | 118.00 | |||||||||||||
1955 | 66.00 | 75.00 | 84.00 | 88.00 | s | 99.00 | 112.00 | 111.00 | 111.00 | a | 117.00 | 94.00 | 83.00 | a | 83.00 | 117.00 | u | |||||||||
1956 | 70.00 | 72.00 | 90.00 | 93.00 | 103.00 | 114.00 | a | 110.00 | 112.00 | 107.00 | 95.00 | 81.00 | 71.00 | 114.00 | a | |||||||||||
1957 | 67.00 | 81.00 | 80.00 | 88.00 | 96.00 | 111.00 | 112.00 | 109.00 | 107.00 | 96.00 | 69.00 | a | 70.00 | 112.00 | a | |||||||||||
1958 | 67.00 | 77.00 | 73.00 | 93.00 | 105.00 | a | 110.00 | 115.00 | 111.00 | 110.00 | 95.00 | 84.00 | 79.00 | 115.00 | a | |||||||||||
1959 | 75.00 | 69.00 | 80.00 | 97.00 | 96.00 | 111.00 | 114.00 | 108.00 | 103.00 | 96.00 | 76.00 | 73.00 | 114.00 | |||||||||||||
1960 | 63.00 | 71.00 | 85.00 | 94.00 | a | 104.00 | a | 109.00 | 115.00 | 112.00 | 105.00 | 94.00 | 86.00 | 68.00 | 115.00 | b | ||||||||||
1961 | 70.00 | 75.00 | 83.00 | 93.00 | 97.00 | a | 115.00 | 113.00 | 109.00 | 100.00 | 92.00 | 77.00 | 69.00 | 115.00 | a | |||||||||||
1962 | 78.00 | p | 74.00 | 83.00 | 95.00 | 97.00 | 108.00 | 107.00 | 108.00 | 104.00 | 97.00 | 85.00 | 71.00 | 108.00 | p | |||||||||||
1963 | 67.00 | b | 78.00 | 81.00 | 84.00 | 98.00 | 101.00 | 106.00 | 107.00 | 103.00 | 100.00 | 76.00 | 67.00 | 107.00 | b | |||||||||||
1964 | 66.00 | 68.00 | 84.00 | c | 88.00 | 93.00 | h | 106.00 | h | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 68.28 | 73.57 | 81.41 | 91.39 | 100.04 | 108.11 | 110.29 | 109.07 | 105.60 | 93.92 | 78.69 | 70.29 | 112.53 | |||||||||||||
S.D. | 5.08 | 4.38 | 4.55 | 4.12 | 4.20 | 4.51 | 4.00 | 3.14 | 4.55 | 4.88 | 4.74 | 5.10 | 2.70 | |||||||||||||
SKEW | -0.47 | -0.16 | -0.55 | -0.47 | -0.10 | 0.10 | -1.00 | -0.85 | 0.21 | -1.19 | -0.35 | 0.11 | -0.04 | |||||||||||||
MAX | 78.00 | 82.00 | 90.00 | 97.00 | 108.00 | 118.00 | 116.00 | 114.00 | 117.00 | 100.00 | 86.00 | 83.00 | 118.00 | |||||||||||||
MIN | 55.00 | 65.00 | 70.00 | 84.00 | 91.00 | 100.00 | 99.00 | 101.00 | 95.00 | 80.00 | 69.00 | 57.00 | 107.00 | |||||||||||||
YRS | 25 | 28 | 29 | 28 | 26 | 28 | 28 | 27 | 25 | 26 | 29 | 28 | 19 |