YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | 37.68 | 43.37 | 52.55 | 50.87 | 46.40 | 33.29 | 22.50 | 5.76 | b | 36.55 | d | |||||||
1912 | 12.42 | 14.41 | 29.53 | a | 27.50 | 36.74 | 45.17 | 49.90 | 50.48 | 37.80 | 32.71 | 21.90 | 12.26 | 30.90 | ||||||||||||
1913 | 13.71 | 20.38 | b | 18.20 | a | 28.77 | 34.29 | 41.63 | 49.19 | 51.74 | 39.10 | 33.23 | 29.21 | a | 10.39 | 30.82 | ||||||||||
1914 | 22.00 | a | 19.22 | a | 23.45 | 30.23 | 35.97 | b | 44.67 | 52.32 | 49.97 | 45.87 | 32.84 | 24.80 | 15.90 | 33.10 | ||||||||||
1915 | 13.77 | 16.68 | 22.07 | a | 32.17 | a | 32.97 | 42.60 | 51.77 | 48.19 | 41.30 | 29.16 | 22.21 | a | 15.65 | 30.71 | ||||||||||
1916 | 19.90 | 24.14 | 27.60 | a | 30.97 | 36.52 | 42.93 | 51.61 | 49.84 | 42.33 | ----- | z | ----- | z | ----- | z | 36.20 | c | ||||||||
1917 | ----- | z | ----- | z | ----- | z | ----- | z | 38.71 | x | 45.00 | 55.86 | b | 53.39 | 46.63 | 31.32 | 23.87 | 19.16 | 39.32 | e | ||||||
1918 | 6.23 | a | 22.00 | 29.63 | a | 30.63 | 38.45 | 48.70 | 51.87 | 49.61 | 43.20 | 35.97 | 21.53 | 17.43 | c | 32.94 | ||||||||||
1919 | 4.23 | 8.04 | 21.68 | 33.72 | a | ----- | z | 48.23 | h | 55.00 | 50.62 | g | 43.71 | i | ----- | z | 25.11 | c | 20.67 | a | 24.06 | e | ||||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | 37.07 | b | 44.71 | b | 50.96 | h | ----- | z | 46.22 | c | 28.81 | 22.07 | 5.52 | 30.73 | f | |||
1921 | 21.65 | 18.54 | 26.96 | c | 28.32 | b | 35.48 | b | 44.89 | c | 53.32 | c | 63.33 | p | 55.29 | b | 44.77 | a | 23.52 | a | 25.59 | d | 34.39 | a | ||
1922 | 14.04 | e | 24.92 | d | 24.16 | 28.24 | e | 38.12 | f | 48.10 | a | 54.78 | h | 61.50 | a | 57.00 | t | 26.33 | m | 22.83 | a | ----- | z | 31.97 | e | |
1923 | 21.68 | c | 18.61 | 23.33 | g | 31.50 | f | 36.79 | c | 43.00 | a | 52.85 | d | 50.62 | j | 42.10 | a | 31.24 | b | 25.76 | a | 21.23 | 32.58 | c | ||
1924 | 13.17 | h | 21.00 | r | 22.17 | h | 28.87 | g | 37.36 | c | 48.42 | r | 52.00 | l | 50.29 | c | 42.96 | b | 32.53 | p | 27.23 | q | 19.06 | n | 43.54 | i |
1925 | 6.88 | o | 23.80 | h | 26.12 | o | 30.48 | i | 38.56 | d | 47.26 | g | 53.04 | h | 51.00 | h | ----- | z | 34.67 | s | 19.47 | o | 17.89 | l | 38.56 | k |
1926 | 8.28 | m | ----- | z | 24.45 | t | 35.00 | l | 36.39 | h | 44.97 | a | 51.96 | c | 49.93 | c | ----- | z | ----- | z | ----- | z | ----- | z | 48.95 | i |
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 | 17.93 | q | 15.62 | l | 21.69 | o | 27.80 | o | 35.81 | j | 45.00 | a | 53.29 | 51.52 | b | 47.55 | h | 33.71 | q | 18.79 | p | ----- | z | 49.94 | i | |
1930 | 11.58 | l | 20.40 | h | 20.05 | j | 31.23 | h | 35.25 | k | 44.52 | a | 53.79 | c | 51.12 | e | 42.44 | e | 35.50 | e | 20.20 | e | 12.89 | c | 37.21 | e |
1931 | 17.45 | b | 29.64 | f | 21.50 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.00 | x | 33.43 | c | 17.90 | 0.39 | 18.13 | g | ||
1932 | 12.87 | 28.50 | u | 23.29 | q | ----- | z | ----- | z | 41.71 | w | ----- | z | ----- | z | 38.77 | 28.57 | h | 21.00 | i | 7.27 | p | 25.82 | j | ||
1933 | -1.35 | h | 1.80 | m | 19.90 | u | ----- | z | ----- | z | 43.83 | x | 51.00 | l | ----- | 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 |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1958 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1959 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1960 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1961 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1967 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1968 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1969 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1972 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.83 | 53.52 | ----- | z | ----- | z | ----- | z | ----- | z | 17.32 | 39.56 | i | |||
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 15.00 | 18.69 | 24.48 | 30.06 | 36.49 | 44.82 | 52.59 | 51.42 | 43.60 | 33.52 | 23.10 | 14.30 | 31.70 | |||||||||||||
S.D. | 5.85 | 4.93 | 3.82 | 2.05 | 1.63 | 1.99 | 1.72 | 3.27 | 4.42 | 4.14 | 2.68 | 6.95 | 1.21 | |||||||||||||
SKEW | -0.42 | -0.84 | 0.00 | 0.45 | -0.80 | 0.55 | -0.12 | 2.42 | 1.16 | 1.65 | 0.36 | -0.44 | 0.41 | |||||||||||||
MAX | 22.00 | 24.92 | 29.63 | 33.72 | 38.56 | 48.70 | 55.86 | 61.50 | 55.29 | 44.77 | 29.21 | 25.59 | 33.10 | |||||||||||||
MIN | 4.23 | 8.04 | 18.20 | 27.50 | 32.97 | 41.63 | 49.19 | 48.19 | 37.80 | 28.81 | 17.90 | 0.39 | 30.71 | |||||||||||||
YRS | 12 | 10 | 10 | 9 | 12 | 16 | 15 | 13 | 14 | 12 | 14 | 14 | 5 |