YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1906 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 92.00 | j | 89.00 | a | 78.00 | 72.00 | ----- | z | ||
1907 | 73.00 | 76.00 | 98.00 | 87.00 | 90.00 | 101.00 | 100.00 | 100.00 | 93.00 | 90.00 | 78.00 | 71.00 | 101.00 | |||||||||||||
1908 | 70.00 | 81.00 | 87.00 | 85.00 | 93.00 | b | 103.00 | 102.00 | 105.00 | 100.00 | 91.00 | 81.00 | 73.00 | 105.00 | b | |||||||||||
1909 | 80.00 | 73.00 | 79.00 | 93.00 | 96.00 | 102.00 | 99.00 | 101.00 | 100.00 | 89.00 | 84.00 | 76.00 | 102.00 | |||||||||||||
1910 | 76.00 | 77.00 | 91.00 | ----- | z | 94.00 | 104.00 | 103.00 | 101.00 | 102.00 | 95.00 | 81.00 | a | 68.00 | ----- | z | ||||||||||
1911 | 82.00 | 77.00 | 83.00 | b | 95.00 | 95.00 | 107.00 | 99.00 | 104.00 | 99.00 | 98.00 | 75.00 | 61.00 | 107.00 | b | |||||||||||
1912 | 55.00 | 72.00 | 80.00 | 90.00 | 96.00 | 96.00 | 100.00 | 100.00 | 96.00 | 88.00 | 82.00 | 70.00 | 100.00 | |||||||||||||
1913 | 69.00 | 74.00 | 84.00 | 89.00 | 97.00 | 101.00 | 106.00 | 104.00 | 98.00 | 89.00 | 79.00 | 53.00 | 106.00 | |||||||||||||
1914 | 77.00 | a | 77.00 | 83.00 | 91.00 | 94.00 | 98.00 | 99.00 | 97.00 | 102.00 | 88.00 | 76.00 | 61.00 | 102.00 | a | |||||||||||
1915 | 67.00 | 78.00 | 77.00 | 87.00 | 91.00 | 102.00 | 102.00 | 93.00 | 99.00 | 88.00 | 84.00 | 76.00 | 102.00 | |||||||||||||
1916 | 77.00 | 76.00 | 88.00 | 90.00 | 100.00 | 100.00 | 102.00 | 100.00 | 95.00 | a | 98.00 | 89.00 | 74.00 | 102.00 | a | |||||||||||
1917 | 67.00 | e | 83.00 | f | 89.00 | 90.00 | a | 93.00 | 104.00 | 105.00 | 97.00 | 96.00 | 92.00 | ----- | z | ----- | z | ----- | z | |||||||
1918 | 66.00 | 85.00 | 84.00 | 89.00 | 99.00 | 106.00 | 102.00 | 102.00 | 99.00 | 94.00 | 75.00 | 66.00 | a | 106.00 | a | |||||||||||
1919 | 44.00 | 64.00 | 82.00 | a | 94.00 | a | 88.00 | 95.00 | a | 100.00 | b | 106.00 | b | 102.00 | 90.00 | 80.00 | a | 74.00 | o | 106.00 | w | |||||
1920 | 82.00 | a | 80.00 | 83.00 | 96.00 | 95.00 | a | 101.00 | 107.00 | ----- | z | ----- | z | ----- | z | 77.00 | 72.00 | ----- | z | |||||||
1921 | 69.00 | 78.00 | 89.00 | 85.00 | 96.00 | 95.00 | 99.00 | ----- | z | 96.00 | k | 96.00 | 85.00 | ----- | z | ----- | z | |||||||||
1922 | 80.00 | 79.00 | 82.00 | 84.00 | 93.00 | 96.00 | d | 102.00 | a | 105.00 | c | 102.00 | d | ----- | z | 88.00 | c | 69.00 | a | ----- | z | |||||
1923 | 77.00 | 64.00 | c | 74.00 | d | 85.00 | b | 94.00 | ----- | z | 101.00 | e | 101.00 | m | 97.00 | g | ----- | z | ----- | z | 75.00 | d | ----- | z | ||
1924 | 64.00 | b | 72.00 | d | ----- | z | 87.00 | d | 90.00 | c | 107.00 | e | 101.00 | c | 104.00 | d | 99.00 | c | 96.00 | f | ----- | z | 70.00 | c | ----- | z |
1925 | 71.00 | b | 81.00 | b | 87.00 | b | 96.00 | g | 101.00 | d | 103.00 | e | 104.00 | e | 98.00 | j | 92.00 | n | 91.00 | b | 74.00 | b | 71.00 | d | ----- | z |
1926 | 65.00 | c | 76.00 | a | 79.00 | e | 80.00 | a | 88.00 | f | 95.00 | b | 94.00 | c | 100.00 | h | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1950 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 70.55 | 75.79 | 84.16 | 88.72 | 94.47 | 100.84 | 101.35 | 101.27 | 98.80 | 91.63 | 80.35 | 69.29 | 103.30 | |||||||||||||
S.D. | 9.38 | 5.27 | 5.55 | 4.18 | 3.41 | 4.03 | 2.91 | 3.61 | 2.78 | 3.50 | 4.51 | 6.10 | 2.45 | |||||||||||||
SKEW | -1.14 | -0.87 | 0.51 | -0.05 | 0.09 | -0.14 | -0.23 | -0.71 | -0.55 | 0.72 | 0.41 | -1.28 | 0.30 | |||||||||||||
MAX | 82.00 | 85.00 | 98.00 | 96.00 | 101.00 | 107.00 | 107.00 | 106.00 | 102.00 | 98.00 | 89.00 | 76.00 | 107.00 | |||||||||||||
MIN | 44.00 | 64.00 | 74.00 | 80.00 | 88.00 | 95.00 | 94.00 | 93.00 | 93.00 | 88.00 | 74.00 | 53.00 | 100.00 | |||||||||||||
YRS | 20 | 19 | 19 | 18 | 19 | 19 | 20 | 15 | 15 | 16 | 17 | 17 | 10 |