YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | 49.12 | f | 59.77 | k | 68.15 | d | 74.31 | 73.02 | a | 66.98 | 47.78 | a | 34.62 | b | 20.07 | c | 54.99 | e | ||
1912 | 18.63 | a | 33.36 | a | 39.66 | c | 46.16 | b | 56.33 | a | 67.32 | b | 70.69 | j | 72.83 | b | 55.48 | d | 47.08 | 37.11 | b | 22.50 | t | 47.40 | b | |
1913 | 17.73 | g | 28.57 | f | 38.73 | c | 49.10 | 59.45 | b | 65.37 | c | 71.41 | i | ----- | z | 60.62 | 45.38 | f | 38.33 | l | 28.18 | l | 54.65 | g | ||
1914 | 23.17 | b | ----- | z | 44.15 | 52.94 | e | 61.21 | c | 67.16 | a | ----- | z | 73.23 | 54.56 | m | ----- | z | 33.93 | b | 22.90 | b | 47.33 | d | ||
1915 | 20.60 | b | 25.77 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.88 | w | 63.50 | a | 52.37 | 37.81 | a | 28.06 | 38.02 | f | |||
1916 | 17.73 | a | 23.59 | 42.15 | 53.15 | 57.67 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.86 | g | |||
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | 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 | 66.71 | q | 67.95 | 79.31 | 74.34 | 65.35 | 50.53 | 34.20 | 18.68 | 55.76 | e | |||||||
1952 | 18.03 | 25.95 | 35.42 | 52.03 | 62.87 | a | 69.27 | 76.60 | a | 75.16 | 65.67 | 53.60 | 34.60 | 23.69 | 49.41 | |||||||||||
1953 | 25.76 | 31.98 | 40.90 | 48.38 | 54.94 | 69.55 | 77.72 | b | 72.11 | 66.37 | c | 52.97 | 40.59 | a | 24.56 | 50.49 | ||||||||||
1954 | 29.60 | 38.00 | n | 40.32 | a | 55.48 | a | 64.58 | 68.36 | a | 78.32 | 73.47 | 68.83 | j | 52.56 | g | 42.37 | 25.05 | 53.06 | c | ||||||
1955 | 15.29 | 15.19 | a | 35.60 | 48.85 | 60.04 | e | 68.27 | 77.18 | 77.39 | 67.20 | 53.44 | 35.12 | 32.16 | 48.81 | |||||||||||
1956 | 33.21 | 30.86 | 41.57 | b | 51.92 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.39 | h | |||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | 57.27 | c | 68.73 | 75.64 | q | 73.10 | 62.82 | ----- | z | 35.36 | s | ----- | z | 65.48 | h | |||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | 63.56 | o | ----- | z | ----- | z | 72.88 | r | 64.70 | ----- | z | ----- | z | 31.65 | u | 64.70 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 22.45 | 26.67 | 39.83 | 50.89 | 59.37 | 68.01 | 77.24 | 73.85 | 63.87 | 51.11 | 36.70 | 24.40 | 49.57 | |||||||||||||
S.D. | 6.01 | 6.24 | 2.89 | 2.93 | 3.15 | 1.20 | 1.71 | 1.59 | 3.58 | 2.72 | 3.04 | 4.28 | 0.85 | |||||||||||||
SKEW | 0.63 | -0.76 | -0.35 | -0.09 | 0.26 | -0.92 | -0.66 | 1.28 | -1.36 | -0.59 | 0.86 | 0.48 | 0.33 | |||||||||||||
MAX | 33.21 | 33.36 | 44.15 | 55.48 | 64.58 | 69.55 | 79.31 | 77.39 | 67.20 | 53.60 | 42.37 | 32.16 | 50.49 | |||||||||||||
MIN | 15.29 | 15.19 | 35.42 | 46.16 | 54.94 | 65.37 | 74.31 | 72.11 | 55.48 | 47.08 | 33.93 | 18.68 | 48.81 | |||||||||||||
YRS | 9 | 7 | 9 | 9 | 9 | 10 | 6 | 9 | 10 | 7 | 9 | 8 | 3 |