YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | 32.33 | c | 39.00 | f | 49.89 | b | 56.90 | 53.60 | a | 48.97 | 31.90 | a | 18.07 | a | 3.06 | 36.84 | d | |||
1912 | 0.97 | a | 17.07 | 28.81 | 28.86 | a | 39.77 | 50.03 | a | 56.55 | b | 54.48 | 37.68 | b | 32.03 | 22.93 | a | 12.69 | o | 33.56 | a | |||||
1913 | 1.18 | c | 12.81 | a | 24.17 | a | 29.40 | 39.70 | a | 46.90 | a | 52.22 | d | ----- | z | 40.73 | 25.33 | d | 25.86 | b | 14.62 | j | 29.83 | b | ||
1914 | 3.90 | a | ----- | z | 22.90 | 31.52 | e | 40.36 | c | 47.93 | a | ----- | z | 50.06 | 32.33 | l | ----- | z | 9.00 | b | 7.97 | a | 26.71 | d | ||
1915 | 7.31 | b | 12.79 | ----- | z | ----- | z | 40.27 | p | 43.40 | 53.94 | 53.53 | a | 45.13 | 31.06 | 22.31 | a | 15.00 | 31.61 | c | ||||||
1916 | 1.53 | a | 3.79 | 19.81 | 33.37 | 34.83 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 18.67 | 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 | 47.67 | p | 49.93 | 60.19 | 57.90 | 45.87 | 32.61 | 21.13 | 5.29 | 38.99 | e | |||||||
1952 | 4.42 | 13.45 | 24.84 | 34.73 | 44.37 | a | 49.93 | 57.53 | a | 57.03 | 46.53 | 30.74 | 16.43 | 10.68 | 32.56 | |||||||||||
1953 | 11.16 | 17.86 | 22.06 | 30.80 | 38.19 | 49.10 | 58.26 | 54.00 | 44.29 | b | 35.26 | 24.63 | 10.06 | 32.97 | ||||||||||||
1954 | 16.65 | 22.36 | n | 25.16 | 37.10 | 47.35 | 48.70 | 61.84 | 55.26 | 53.48 | i | 35.96 | g | 28.23 | 13.90 | 37.13 | c | |||||||||
1955 | 2.06 | 0.36 | 22.42 | 33.03 | 45.06 | 50.57 | 59.23 | 61.52 | 48.17 | 35.35 | 21.37 | 19.74 | 33.24 | |||||||||||||
1956 | 20.23 | 16.69 | 22.53 | a | 36.23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 23.92 | h | |||
1957 | ----- | z | ----- | z | ----- | z | ----- | z | 42.68 | c | 48.20 | 55.71 | q | 54.61 | 40.70 | ----- | z | 24.73 | s | ----- | z | 46.55 | h | |||
1958 | ----- | z | ----- | z | ----- | z | ----- | z | 42.39 | m | ----- | z | ----- | z | 53.31 | r | 45.93 | ----- | z | ----- | z | 7.00 | u | 45.93 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 6.94 | 11.85 | 23.63 | 32.74 | 41.37 | 48.60 | 57.41 | 55.20 | 44.40 | 31.79 | 21.00 | 10.71 | 32.92 | |||||||||||||
S.D. | 6.88 | 6.42 | 2.53 | 2.73 | 3.86 | 2.05 | 2.99 | 3.07 | 3.60 | 3.13 | 5.46 | 5.42 | 0.34 | |||||||||||||
SKEW | 0.94 | -0.90 | 0.66 | 0.17 | -0.06 | -1.56 | -0.33 | 0.53 | -0.59 | -0.90 | -0.93 | 0.21 | -0.26 | |||||||||||||
MAX | 20.23 | 17.86 | 28.81 | 37.10 | 47.35 | 50.57 | 61.84 | 61.52 | 48.97 | 35.35 | 28.23 | 19.74 | 33.24 | |||||||||||||
MIN | 0.97 | 0.36 | 19.81 | 28.86 | 34.83 | 43.40 | 52.22 | 50.06 | 37.68 | 25.33 | 9.00 | 3.06 | 32.56 | |||||||||||||
YRS | 10 | 8 | 9 | 10 | 9 | 11 | 9 | 10 | 10 | 8 | 10 | 8 | 3 |