YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | 55.69 | 61.90 | 66.28 | a | 66.42 | 61.33 | 48.81 | 36.90 | 22.79 | c | 52.52 | d | ||||||
1912 | 28.37 | 33.45 | 38.43 | a | 41.18 | 54.02 | 62.79 | a | 64.29 | 63.77 | 56.05 | 46.27 | 38.93 | 26.39 | 46.16 | |||||||||||
1913 | 26.55 | 30.02 | b | 31.30 | a | 45.80 | 52.76 | 59.12 | 64.18 | 63.65 | 56.30 | 49.15 | 40.89 | b | 23.06 | 45.23 | ||||||||||
1914 | 31.74 | b | 33.15 | d | 36.58 | a | 43.03 | 54.72 | b | 62.20 | 63.89 | 66.06 | 61.27 | 48.50 | 41.03 | 27.26 | 47.45 | |||||||||
1915 | 26.15 | 29.64 | 35.12 | a | 45.69 | a | 49.53 | a | 59.85 | 65.77 | 63.81 | 57.57 | 48.63 | 38.52 | a | 29.32 | 45.80 | |||||||||
1916 | 30.44 | 35.66 | 40.53 | a | 44.52 | 52.50 | 61.18 | 62.98 | 61.55 | 56.11 | b | ----- | z | ----- | z | ----- | z | 49.50 | c | |||||||
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 63.47 | a | 70.62 | f | 67.48 | e | 61.40 | 51.18 | 42.43 | 37.87 | 53.97 | f | ||||
1918 | 23.90 | a | 36.05 | 43.53 | b | 46.12 | 53.08 | 66.63 | 66.90 | 65.10 | a | 61.17 | a | 51.27 | 35.32 | 27.91 | c | 48.08 | ||||||||
1919 | 19.50 | 24.02 | 35.47 | 48.93 | a | ----- | z | 67.30 | h | 67.81 | 65.71 | g | 58.50 | i | ----- | z | 39.96 | c | 33.00 | c | 38.38 | e | ||||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | 54.86 | c | 61.62 | b | 67.67 | h | ----- | z | ----- | z | 45.36 | b | 38.30 | 26.50 | a | 45.33 | g | |
1921 | 33.87 | 32.50 | c | 43.04 | e | 45.59 | b | 52.64 | b | 63.07 | c | 66.35 | d | 70.30 | p | 66.36 | b | 56.60 | b | 37.76 | a | 37.87 | e | 48.70 | a | |
1922 | 27.56 | g | 36.10 | d | 37.38 | a | 41.18 | e | 55.90 | f | 66.48 | a | 70.83 | h | 69.87 | a | 64.60 | t | 43.75 | m | 35.59 | a | ----- | z | 47.77 | f |
1923 | 32.25 | c | 31.70 | 37.67 | g | 46.11 | g | 53.07 | c | 60.21 | a | 67.26 | d | 61.88 | j | 56.22 | a | 46.00 | b | 38.18 | b | 29.27 | c | 46.02 | c | |
1924 | 24.85 | k | 36.17 | t | 32.93 | h | 42.39 | g | 53.79 | c | 64.42 | r | 67.03 | l | 64.70 | c | 59.57 | b | 49.87 | p | 41.81 | q | 28.00 | q | 59.35 | i |
1925 | 22.91 | o | 37.50 | h | 39.88 | o | 47.55 | j | 56.57 | d | 60.02 | g | 67.05 | i | 62.59 | h | ----- | z | 47.27 | t | 34.57 | p | 30.94 | m | 56.57 | k |
1926 | 23.94 | m | ----- | z | 37.41 | t | 45.58 | l | 53.48 | h | 63.78 | a | 67.12 | c | 67.32 | c | ----- | z | ----- | z | ----- | z | ----- | z | 66.07 | 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 | 29.19 | r | 29.43 | m | 36.97 | o | 44.47 | o | 54.50 | j | 65.57 | a | 68.65 | 64.53 | b | 61.50 | h | 47.57 | q | 37.31 | q | ----- | z | 66.25 | i | |
1930 | 26.76 | l | 36.82 | i | 36.93 | j | 49.18 | h | 54.27 | k | 64.67 | a | 67.38 | c | 65.33 | e | 59.26 | e | 51.37 | e | 34.02 | e | 28.41 | c | 52.92 | e |
1931 | 31.09 | b | 37.57 | f | 39.21 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.20 | y | 50.81 | g | 35.42 | 24.32 | 32.51 | h | ||
1932 | 29.84 | 42.69 | u | 39.68 | q | ----- | z | ----- | z | 66.93 | w | ----- | z | ----- | z | 61.67 | a | 54.04 | h | 44.16 | n | 26.71 | q | 45.76 | j | |
1933 | 19.59 | h | 21.90 | m | 36.50 | u | ----- | z | ----- | z | 65.42 | x | 71.39 | 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 | 64.03 | 71.32 | ----- | z | ----- | z | ----- | z | ----- | z | 31.66 | 55.67 | 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 | 28.52 | 32.23 | 38.06 | 44.67 | 53.60 | 62.91 | 66.44 | 65.35 | 59.56 | 49.38 | 38.09 | 28.97 | 46.55 | |||||||||||||
S.D. | 4.21 | 3.70 | 3.74 | 2.51 | 1.81 | 2.26 | 2.17 | 2.12 | 3.07 | 3.19 | 2.47 | 4.75 | 1.19 | |||||||||||||
SKEW | -0.83 | -0.98 | -0.11 | -0.05 | -0.50 | 0.07 | 0.40 | 0.39 | 0.54 | 0.85 | 0.06 | 0.68 | 0.27 | |||||||||||||
MAX | 33.87 | 36.10 | 43.53 | 48.93 | 56.57 | 66.63 | 71.32 | 69.87 | 66.36 | 56.60 | 42.43 | 37.87 | 48.08 | |||||||||||||
MIN | 19.50 | 24.02 | 31.30 | 41.18 | 49.53 | 59.12 | 62.98 | 61.55 | 56.05 | 45.36 | 34.02 | 22.79 | 45.23 | |||||||||||||
YRS | 11 | 10 | 10 | 9 | 12 | 16 | 14 | 13 | 13 | 11 | 14 | 14 | 5 |