YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | 73.71 | 80.43 | 80.03 | a | 81.97 | 76.27 | 64.32 | 51.30 | 39.27 | a | 68.41 | d | ||||||
1912 | 44.32 | 52.48 | 47.23 | 54.87 | 71.29 | 80.48 | a | 78.68 | 77.06 | 74.30 | 59.84 | 55.97 | 40.52 | 61.42 | ||||||||||||
1913 | 39.39 | 38.64 | 44.03 | 62.83 | 71.23 | 76.60 | 79.16 | 75.55 | 73.50 | 65.06 | 52.21 | a | 35.74 | 59.50 | ||||||||||||
1914 | 41.87 | a | 47.48 | c | 49.63 | a | 55.83 | 73.48 | b | 79.73 | 75.45 | 82.16 | 76.67 | 64.16 | 57.27 | 38.61 | 61.86 | |||||||||
1915 | 38.52 | 42.61 | 48.17 | a | 58.73 | 65.67 | a | 77.10 | 79.77 | 79.42 | 73.83 | 68.10 | 54.13 | 43.00 | 60.75 | |||||||||||
1916 | 40.97 | 47.17 | 53.47 | a | 58.07 | 68.48 | 79.43 | 74.35 | 73.26 | 70.82 | b | ----- | z | ----- | z | ----- | z | 62.89 | c | |||||||
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.07 | a | 84.88 | f | 81.62 | e | 76.17 | 71.03 | 61.00 | 56.58 | 71.41 | f | ||||
1918 | 41.58 | 50.11 | 57.43 | a | 61.60 | 67.71 | 84.57 | 81.94 | 80.57 | a | 79.34 | a | 66.58 | 49.10 | 38.17 | b | 63.22 | |||||||||
1919 | 34.77 | 40.00 | 49.26 | 64.33 | ----- | z | 86.36 | h | 80.61 | 80.79 | g | 73.29 | i | ----- | z | 54.36 | b | 45.34 | b | 52.67 | e | |||||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | 72.68 | c | 78.54 | b | 84.39 | h | ----- | z | ----- | z | 61.69 | b | 54.53 | 47.73 | a | 63.03 | g | |
1921 | 46.10 | 47.20 | c | 58.88 | e | 62.86 | b | 69.79 | b | 81.26 | c | 79.15 | d | 77.25 | o | 77.43 | b | 67.76 | b | 51.83 | 50.39 | c | 62.97 | a | ||
1922 | 40.24 | f | 47.52 | c | 50.13 | a | 54.35 | d | 73.68 | f | 84.67 | 86.87 | h | 78.23 | a | 72.20 | t | 66.20 | a | 48.10 | 41.82 | n | 61.31 | e | ||
1923 | 42.82 | c | 44.79 | 52.19 | e | 60.87 | g | 69.36 | c | 77.41 | a | 81.67 | d | 73.14 | j | 70.34 | a | 60.76 | b | 50.54 | b | 37.46 | c | 58.73 | b | |
1924 | 38.52 | h | 50.78 | t | 43.70 | h | 55.91 | g | 70.21 | c | 80.38 | q | 82.05 | l | 79.34 | b | 76.18 | b | 67.20 | p | 56.38 | q | 39.75 | o | 75.25 | i |
1925 | 38.44 | m | 51.20 | h | 53.62 | o | 65.05 | i | 74.59 | d | 72.78 | g | 79.96 | h | 74.17 | h | ----- | z | 59.73 | t | 49.40 | o | 44.37 | l | 74.59 | k |
1926 | 39.61 | m | ----- | z | 50.33 | s | 57.36 | h | 70.57 | h | 82.59 | a | 82.27 | a | 84.71 | c | ----- | z | ----- | z | ----- | z | ----- | z | 83.19 | 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 | 40.23 | r | 42.82 | k | 52.25 | o | 61.13 | o | 73.19 | j | 86.14 | a | 84.00 | 77.55 | b | 75.45 | h | 64.27 | i | 54.69 | q | ----- | z | 82.56 | i | |
1930 | 41.95 | l | 53.21 | i | 53.81 | j | 67.14 | h | 73.30 | k | 84.83 | a | 80.83 | b | 79.54 | e | 76.08 | e | 67.04 | d | 47.84 | e | 43.93 | c | 68.58 | e |
1931 | 44.72 | b | 45.16 | c | 56.93 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.00 | y | 67.42 | g | 52.93 | 48.26 | 49.60 | g | ||
1932 | 46.81 | 57.00 | t | 57.20 | p | ----- | z | ----- | z | 92.14 | w | ----- | z | ----- | z | 84.62 | a | 79.52 | h | 66.81 | n | 44.93 | p | 65.71 | j | |
1933 | 40.50 | g | 42.00 | m | 53.10 | u | ----- | z | ----- | z | 84.70 | t | 91.79 | 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 | 80.23 | 89.13 | ----- | z | ----- | z | ----- | z | ----- | z | 46.00 | 71.79 | 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 | 41.99 | 45.74 | 51.58 | 59.27 | 70.68 | 81.00 | 80.50 | 79.31 | 75.81 | 65.21 | 52.94 | 43.64 | 61.35 | |||||||||||||
S.D. | 3.55 | 4.11 | 4.68 | 3.77 | 2.67 | 2.94 | 3.56 | 3.05 | 3.65 | 3.27 | 3.65 | 5.85 | 1.38 | |||||||||||||
SKEW | -0.52 | -0.26 | 0.18 | -0.04 | -0.24 | 0.21 | 0.57 | -0.24 | 0.75 | -0.11 | 0.53 | 0.61 | 0.01 | |||||||||||||
MAX | 46.81 | 52.48 | 58.88 | 64.33 | 74.59 | 86.14 | 89.13 | 84.71 | 84.62 | 71.03 | 61.00 | 56.58 | 63.22 | |||||||||||||
MIN | 34.77 | 38.64 | 44.03 | 54.35 | 65.67 | 76.60 | 74.35 | 73.26 | 70.34 | 59.84 | 47.84 | 35.74 | 59.50 | |||||||||||||
YRS | 11 | 11 | 11 | 9 | 12 | 16 | 14 | 13 | 13 | 12 | 14 | 14 | 5 |