YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1906 | ----- | z | ----- | z | 51.50 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1907 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
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 | 56.29 | w | 57.86 | c | 48.47 | 42.17 | h | 53.16 | j | |
1927 | 38.97 | a | 42.14 | 44.83 | a | 52.62 | a | 54.77 | a | 67.50 | 73.67 | a | 76.26 | 64.63 | 60.33 | a | 44.73 | d | 36.59 | d | 54.75 | |||||
1928 | 38.31 | b | 42.07 | b | ----- | z | ----- | z | ----- | z | ----- | z | 74.00 | i | 72.46 | g | 67.12 | e | 54.50 | e | 47.95 | h | 39.22 | m | 50.50 | h |
1929 | 34.23 | i | 39.42 | i | 47.11 | m | 46.08 | e | 60.72 | m | 64.39 | g | ----- | z | ----- | z | 63.27 | s | ----- | z | 48.52 | g | 43.70 | k | 46.08 | k |
1930 | 36.85 | r | 47.50 | r | 56.21 | q | 60.95 | k | 60.04 | f | 66.70 | g | 72.16 | f | 74.14 | b | 67.00 | h | ----- | z | 44.12 | n | 48.00 | x | 74.14 | k |
1931 | 47.40 | k | 43.00 | p | 51.43 | q | 55.50 | n | 69.18 | i | 66.81 | i | 73.97 | b | 75.23 | a | 59.93 | c | 52.16 | f | 49.46 | q | 41.43 | c | 62.64 | h |
1932 | 39.86 | j | 38.68 | d | 44.44 | d | 56.60 | t | 57.22 | h | 69.50 | j | 66.54 | c | 67.68 | i | 63.46 | b | 53.00 | b | 47.54 | q | 36.30 | d | 50.40 | f |
1933 | 37.77 | i | 36.05 | g | 42.15 | r | 50.04 | c | 53.25 | c | 63.64 | e | 69.77 | a | 71.45 | 59.46 | b | 53.43 | a | 42.82 | s | 47.19 | d | 58.53 | d | |
1934 | 44.48 | d | 47.21 | i | 53.34 | b | 60.06 | n | 62.35 | 66.70 | 70.04 | d | 72.48 | b | 60.55 | a | 55.19 | 47.20 | t | 42.95 | k | 60.64 | d | |||
1935 | 40.45 | k | 44.28 | j | 40.91 | i | 52.21 | p | 60.90 | a | 65.50 | 68.04 | c | 69.90 | b | 67.18 | b | 51.13 | 39.10 | i | 42.00 | j | 63.77 | f | ||
1936 | 40.78 | m | 35.12 | l | 46.88 | n | ----- | z | 63.45 | b | 64.90 | a | 69.27 | a | 71.61 | 63.85 | c | 59.76 | j | 44.46 | f | 44.24 | j | 66.62 | g | |
1937 | 31.32 | f | 38.33 | g | ----- | z | 48.63 | k | 61.33 | d | 69.63 | 72.55 | 68.23 | a | 62.47 | 58.71 | 50.78 | c | 45.93 | b | 61.20 | d | ||||
1938 | 41.76 | j | ----- | z | 42.86 | q | 52.76 | e | 63.15 | e | 69.37 | c | 77.29 | c | 71.66 | b | 69.41 | c | 56.18 | c | 41.85 | d | 41.97 | b | 60.40 | c |
1939 | 43.00 | b | 38.39 | 45.77 | 58.17 | 62.87 | ----- | z | ----- | z | ----- | z | 66.52 | a | 55.58 | 53.11 | c | 48.88 | n | 52.93 | d | |||||
1940 | 44.66 | b | ----- | z | ----- | z | 54.38 | n | 67.54 | c | 73.18 | b | 73.07 | a | 73.81 | 65.63 | 57.03 | a | ----- | z | 42.59 | i | 64.99 | e | ||
1941 | 43.62 | b | 46.74 | a | 55.27 | a | 58.96 | b | 60.81 | 66.41 | a | 79.00 | a | 69.69 | b | 60.10 | a | 53.61 | 47.82 | b | 44.40 | u | 58.37 | a | ||
1942 | 38.06 | 40.70 | a | 46.43 | a | 55.59 | c | 58.00 | 63.48 | e | 71.83 | a | 76.35 | 68.24 | a | 54.35 | 43.93 | c | 41.26 | 54.85 | ||||||
1943 | 36.04 | d | 43.64 | 46.45 | 55.86 | b | 57.27 | a | 64.67 | 74.52 | 70.19 | 69.86 | h | 54.86 | b | 45.13 | 38.26 | h | 54.86 | b | ||||||
1944 | 39.18 | n | 38.11 | t | 44.39 | 51.89 | b | 63.78 | d | 64.22 | c | 77.50 | a | 60.27 | a | ----- | z | ----- | z | 43.33 | 38.54 | c | 55.49 | d | ||
1945 | 39.76 | b | 40.68 | 43.58 | 48.50 | d | 62.61 | 66.22 | c | 76.45 | 74.39 | c | 59.92 | d | 54.14 | b | 41.87 | 39.62 | b | 53.98 | ||||||
1946 | 39.38 | b | 38.86 | 45.55 | b | 53.70 | g | 68.71 | n | 61.83 | g | 76.10 | j | 71.67 | g | 60.50 | f | 48.00 | b | 40.68 | b | 40.28 | b | 42.12 | f | |
1947 | 36.77 | e | 42.81 | a | 51.46 | e | 55.50 | j | 67.25 | g | 63.41 | h | 66.21 | g | 67.42 | 62.57 | 54.04 | d | 43.30 | 44.00 | b | 50.30 | d | |||
1948 | 37.45 | 38.69 | 42.85 | r | 48.89 | c | 56.61 | 68.08 | e | 67.48 | b | 62.36 | f | 67.42 | r | 51.94 | 41.23 | 35.90 | 49.59 | c | ||||||
1949 | 30.55 | 37.75 | 43.37 | a | 54.15 | c | 63.34 | b | 66.33 | f | 68.37 | d | 66.81 | 63.73 | 49.13 | 49.33 | 40.87 | p | 52.65 | b | ||||||
1950 | 33.00 | f | 44.08 | o | 42.10 | 49.80 | j | 60.81 | e | 68.89 | k | 69.43 | a | 69.13 | a | 62.90 | 49.71 | 43.97 | a | 46.00 | 55.51 | d | ||||
1951 | 36.39 | 41.29 | 38.52 | 57.29 | b | 61.39 | 66.37 | 71.19 | 70.10 | 65.17 | 50.39 | 43.10 | 35.03 | a | 53.02 | |||||||||||
1952 | 36.22 | d | 40.19 | b | 41.59 | d | 52.10 | i | 59.67 | a | 59.71 | f | 70.29 | 69.79 | b | 65.17 | 58.68 | 42.10 | 41.87 | a | 52.56 | b | ||||
1953 | 47.00 | 41.75 | 43.23 | 48.50 | d | ----- | z | 57.57 | i | 67.57 | a | 66.40 | a | 62.83 | 51.90 | b | 48.28 | e | ----- | z | 53.05 | c | ||||
1954 | ----- | z | ----- | z | ----- | z | 49.58 | k | 60.97 | 60.50 | 66.94 | 64.00 | a | 61.03 | 52.23 | a | 49.93 | 40.03 | a | 56.95 | d | |||||
1955 | 36.62 | b | ----- | z | 39.33 | g | 45.96 | f | 54.55 | 63.80 | 64.42 | 69.80 | a | 62.40 | 53.52 | 40.56 | c | ----- | z | 55.71 | d | |||||
1956 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.79 | p | 76.97 | b | 75.29 | n | 65.70 | j | 55.96 | c | 41.57 | g | ----- | z | 66.46 | j |
1957 | ----- | z | ----- | z | ----- | z | ----- | z | 71.88 | w | 67.38 | a | 68.90 | 67.45 | 68.83 | 52.59 | d | 42.86 | i | ----- | z | 65.03 | g | |||
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 | 70.55 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 70.55 | k |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.90 | t | ----- | z | 65.81 | 62.21 | a | 50.93 | b | 45.77 | 41.45 | i | 56.18 | h | ||
1963 | 30.86 | x | 47.08 | d | 41.92 | e | 48.29 | f | 61.21 | b | 61.90 | 64.71 | 68.84 | 66.63 | 53.87 | ----- | z | ----- | z | 58.27 | d | |||||
1964 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.67 | 68.74 | 65.03 | a | 59.00 | 52.42 | ----- | z | ----- | z | 61.17 | g | ||||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.72 | a | 76.97 | 69.52 | d | 61.00 | a | 55.07 | a | 49.73 | o | ----- | z | 66.26 | g | |
1966 | ----- | z | ----- | z | ----- | z | ----- | z | 63.61 | 64.23 | 69.55 | 71.74 | 64.19 | c | 53.55 | 45.07 | o | ----- | z | 64.48 | f | |||||
1967 | ----- | z | ----- | z | ----- | z | ----- | z | 61.64 | i | 69.08 | q | 74.52 | b | 81.41 | d | 70.46 | b | 53.29 | ----- | z | ----- | z | 69.92 | h | |
1968 | ----- | z | ----- | z | ----- | z | 48.41 | h | 56.84 | f | 65.27 | d | 72.60 | a | 67.52 | b | 61.81 | n | ----- | z | 43.50 | l | ----- | z | 68.46 | i |
1969 | ----- | z | ----- | z | ----- | z | 49.86 | p | 65.07 | c | 67.60 | e | 71.24 | f | 69.80 | a | 61.92 | f | 48.45 | ----- | z | ----- | z | 62.73 | h | |
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 71.20 | 75.42 | 73.63 | d | 60.70 | g | 48.45 | i | 44.96 | f | ----- | z | 73.42 | i | ||
1971 | 39.38 | g | ----- | z | 39.88 | f | 50.24 | e | 63.46 | e | 59.40 | 76.11 | c | 77.76 | b | 58.92 | d | 49.23 | e | 43.29 | f | 38.17 | g | 62.16 | e | |
1972 | 36.36 | i | 41.06 | k | 46.29 | q | 46.95 | i | 63.83 | a | 65.76 | e | 74.78 | d | 73.92 | f | 58.60 | 50.90 | 44.40 | ----- | z | 59.71 | f | |||
1973 | 38.42 | l | 40.50 | j | 45.25 | s | 56.19 | n | 61.23 | i | 62.55 | a | 74.03 | a | 70.36 | f | 61.33 | c | 51.19 | ----- | z | ----- | z | 62.28 | h | |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.25 | 41.34 | 45.43 | 52.64 | 61.02 | 65.67 | 71.75 | 70.52 | 63.50 | 53.43 | 45.17 | 40.75 | 54.15 | |||||||||||||
S.D. | 4.12 | 2.77 | 4.32 | 3.95 | 3.45 | 3.20 | 3.87 | 4.23 | 3.27 | 2.93 | 3.56 | 3.74 | 0.85 | |||||||||||||
SKEW | 0.11 | 0.77 | 0.94 | 0.09 | -0.69 | 0.16 | 0.01 | 0.20 | 0.37 | 0.26 | 0.61 | 0.15 | -0.56 | |||||||||||||
MAX | 47.00 | 47.08 | 55.27 | 58.96 | 67.54 | 73.18 | 79.00 | 81.41 | 70.46 | 60.33 | 53.11 | 47.19 | 54.85 | |||||||||||||
MIN | 30.55 | 37.75 | 38.52 | 46.08 | 53.25 | 59.40 | 64.42 | 60.27 | 58.60 | 48.00 | 40.56 | 35.03 | 53.02 | |||||||||||||
YRS | 17 | 16 | 17 | 15 | 26 | 28 | 36 | 34 | 33 | 37 | 22 | 16 | 4 |