YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 72.00 | y | 69.93 | q | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | 54.35 | f | 59.52 | a | 72.87 | 73.55 | 73.61 | 69.34 | b | 56.19 | 50.20 | 35.98 | b | 61.41 | d | |||||
1915 | 35.59 | b | 39.52 | a | 43.38 | a | 56.82 | 61.55 | 72.50 | 70.95 | b | ----- | z | 65.43 | 56.13 | ----- | z | 40.24 | d | 54.21 | b | |||||
1916 | 41.75 | g | 45.83 | 52.76 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.29 | j | |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.19 | 46.19 | k | |
1918 | 31.73 | e | 43.77 | 51.73 | ----- | z | ----- | z | 76.62 | 74.47 | b | ----- | z | 71.38 | d | ----- | z | 42.62 | 35.89 | 53.52 | d | |||||
1919 | 31.73 | 36.98 | 43.85 | 53.93 | a | 59.87 | 64.42 | 70.69 | 71.03 | 65.12 | 54.55 | c | 37.29 | w | 39.42 | 53.78 | a | |||||||||
1920 | 37.60 | a | 43.31 | 43.65 | 49.23 | 61.42 | 67.58 | 69.37 | 69.82 | 63.83 | 52.75 | a | 41.87 | 34.52 | 52.91 | |||||||||||
1921 | 39.05 | a | 40.89 | 48.32 | 50.38 | 61.52 | 67.80 | 70.55 | 70.11 | 68.63 | 57.29 | 46.27 | 42.61 | 55.29 | ||||||||||||
1922 | 34.44 | 38.89 | 43.89 | 52.18 | 62.16 | 71.42 | 74.11 | 73.84 | 67.50 | 56.15 | 41.03 | 40.52 | 54.68 | |||||||||||||
1923 | 40.42 | 37.61 | 41.81 | 52.57 | 61.85 | 71.15 | 72.69 | 69.05 | 62.28 | 51.50 | 41.98 | 34.32 | 53.10 | |||||||||||||
1924 | 34.11 | 40.86 | 41.32 | 51.17 | 60.66 | 73.65 | 72.92 | 73.16 | 65.90 | 56.21 | 47.42 | 33.69 | 54.26 | |||||||||||||
1925 | 32.52 | 42.80 | 47.88 | a | 57.37 | 63.45 | 70.58 | 72.57 | a | 68.68 | 65.05 | 54.40 | 42.17 | 32.98 | a | 54.20 | ||||||||||
1926 | 31.40 | 41.64 | 41.34 | b | 49.33 | 58.18 | 68.36 | a | 70.58 | 70.68 | 65.10 | 54.73 | 43.05 | 33.12 | a | 52.29 | ||||||||||
1927 | 39.74 | 43.00 | 43.16 | b | 52.08 | 63.25 | a | 68.27 | 71.26 | 69.77 | 64.33 | 55.13 | 49.50 | 33.66 | b | 54.43 | ||||||||||
1928 | 36.27 | 36.77 | a | 48.28 | a | 47.80 | b | 55.66 | o | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.28 | h | |
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 | ----- | 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 | 74.05 | t | 70.20 | h | 68.90 | 66.90 | 56.07 | b | 38.93 | b | 35.61 | 53.28 | g | |||
1957 | 36.52 | 45.72 | a | 44.13 | 49.60 | a | 57.37 | a | 68.93 | 73.66 | 69.39 | i | 62.13 | k | 54.67 | j | 39.31 | l | 36.48 | j | 53.70 | e | ||||
1958 | 32.17 | k | 40.20 | h | 37.11 | l | 45.97 | m | 61.90 | j | 71.52 | i | 72.78 | o | 69.33 | j | 60.70 | h | 48.89 | i | 40.78 | l | 36.29 | l | ----- | z |
1959 | 32.31 | r | 36.69 | l | 42.66 | i | 51.15 | j | 58.20 | k | 66.50 | i | 70.57 | h | 70.15 | n | ----- | z | ----- | z | ----- | z | 35.13 | d | 35.13 | k |
1960 | 29.90 | a | 33.10 | 45.70 | a | 52.50 | 58.11 | 70.27 | 68.90 | 70.31 | 64.82 | 51.19 | 42.27 | 29.85 | 51.41 | |||||||||||
1961 | 30.50 | a | 37.21 | 42.32 | a | 50.58 | f | 63.32 | i | 69.32 | b | 71.08 | 70.03 | 61.77 | 54.09 | b | 38.12 | 34.82 | 50.93 | b | ||||||
1962 | 31.35 | a | 42.31 | b | 38.95 | b | 54.30 | b | 60.64 | f | 66.93 | 69.76 | 72.27 | 64.63 | 54.16 | 45.73 | f | 36.84 | 53.15 | b | ||||||
1963 | 31.33 | a | 38.52 | a | 44.64 | f | 51.79 | i | 61.30 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.72 | i |
1964 | ----- | z | ----- | z | ----- | z | 51.53 | 61.20 | a | 69.68 | 73.65 | 71.90 | 64.85 | 56.92 | 44.18 | 35.18 | 58.79 | c | ||||||||
1965 | 38.16 | 35.70 | 40.10 | 52.92 | 59.73 | a | 68.35 | 73.26 | 69.15 | 63.10 | 55.63 | 47.62 | a | 36.87 | a | 53.38 | ||||||||||
1966 | 29.32 | 32.93 | 46.05 | 53.78 | 61.98 | a | 68.70 | 75.02 | 69.50 | a | 64.40 | 53.60 | 46.59 | a | 34.79 | 53.05 | ||||||||||
1967 | 34.71 | 39.65 | a | 50.73 | a | 55.12 | 60.39 | 66.91 | b | 72.32 | 67.47 | 62.53 | 55.10 | a | 44.72 | 30.74 | 53.37 | |||||||||
1968 | 34.69 | 40.02 | 42.63 | 49.72 | 59.84 | 70.02 | 69.73 | 67.29 | b | 62.72 | 56.16 | 41.57 | 33.27 | 52.30 | ||||||||||||
1969 | 39.84 | 37.41 | 38.61 | 54.83 | 61.23 | 69.02 | 74.10 | 73.27 | 64.57 | 52.97 | 41.67 | 38.13 | 53.80 | |||||||||||||
1970 | 34.45 | 40.30 | 40.05 | 50.28 | 61.70 | a | 67.58 | 72.85 | 70.79 | 65.58 | 50.15 | 43.08 | 39.31 | 53.01 | ||||||||||||
1971 | 35.32 | 38.32 | 46.60 | 51.20 | 59.79 | 70.15 | 73.13 | 67.27 | 64.38 | 52.68 | 42.78 | 34.89 | 53.04 | |||||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 34.61 | 39.72 | 44.47 | 52.21 | 60.73 | 69.63 | 72.13 | 70.36 | 65.17 | 54.51 | 43.70 | 36.10 | 53.41 | |||||||||||||
S.D. | 3.34 | 3.41 | 3.92 | 2.52 | 1.57 | 2.57 | 1.77 | 1.99 | 2.27 | 1.92 | 3.20 | 3.61 | 1.00 | |||||||||||||
SKEW | 0.19 | -0.12 | 0.54 | 0.34 | -0.41 | 0.69 | -0.25 | 0.24 | 0.99 | -0.65 | 0.45 | 0.88 | -0.01 | |||||||||||||
MAX | 40.42 | 45.83 | 52.76 | 57.37 | 63.45 | 76.62 | 75.02 | 73.84 | 71.38 | 57.29 | 50.20 | 46.19 | 55.29 | |||||||||||||
MIN | 29.32 | 32.93 | 38.61 | 47.80 | 57.37 | 64.42 | 68.90 | 67.27 | 61.77 | 50.15 | 38.12 | 29.85 | 51.41 | |||||||||||||
YRS | 24 | 25 | 24 | 22 | 22 | 24 | 24 | 22 | 24 | 23 | 21 | 26 | 16 |