YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1912 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.76 | a | 30.90 | 35.33 | j | |
1913 | 29.06 | 36.61 | 36.58 | 46.17 | 51.52 | 62.69 | a | 74.08 | f | 75.66 | b | 64.47 | 48.10 | 48.62 | a | 34.87 | 48.58 | a | ||||||||
1914 | 35.19 | 37.71 | 43.60 | a | 48.33 | 52.71 | 67.62 | n | 74.80 | a | 74.35 | 67.87 | 53.90 | a | ----- | z | ----- | z | 54.27 | c | ||||||
1915 | 36.13 | 37.18 | 38.32 | 46.43 | 49.28 | b | 59.27 | 70.71 | 70.23 | 60.17 | 47.90 | 37.79 | a | 32.20 | a | 48.80 | ||||||||||
1916 | 38.48 | 39.59 | 42.42 | 45.57 | 50.45 | 58.21 | a | 72.76 | b | 70.68 | 63.13 | 46.87 | 30.97 | 26.42 | 48.80 | |||||||||||
1917 | 34.00 | 34.48 | a | 35.68 | f | 44.31 | a | 50.80 | k | 72.85 | c | 79.63 | a | 78.07 | q | ----- | z | 48.70 | h | 38.00 | a | 30.10 | a | 47.63 | e | |
1918 | 30.21 | c | 37.44 | a | 44.69 | b | 47.07 | b | 50.68 | c | 70.93 | 72.74 | 68.84 | 60.62 | f | 50.48 | 37.33 | 32.85 | d | 49.39 | a | |||||
1919 | 29.43 | a | 33.04 | c | 37.04 | g | 46.20 | 55.29 | 61.86 | a | 74.37 | a | 72.42 | 65.03 | 46.77 | 37.55 | a | 36.27 | a | 50.75 | a | |||||
1920 | 35.94 | 39.86 | 37.48 | b | 42.07 | a | 51.23 | 60.83 | 69.55 | 70.94 | 59.63 | 46.52 | 37.10 | 25.65 | 48.07 | |||||||||||
1921 | 30.29 | 35.07 | a | 41.94 | 41.83 | 51.40 | f | 59.33 | 71.19 | 70.06 | 60.70 | 48.42 | 36.33 | 36.35 | 48.32 | a | ||||||||||
1922 | 30.10 | 36.29 | 37.13 | 43.00 | 53.39 | 64.14 | a | 74.61 | 73.30 | a | 66.03 | 49.58 | 32.87 | 37.57 | c | 49.83 | ||||||||||
1923 | 33.32 | 36.07 | 37.10 | 47.04 | c | 54.13 | 56.93 | 72.77 | 71.71 | 60.20 | 43.52 | 42.93 | 37.71 | 49.45 | ||||||||||||
1924 | 27.61 | 33.92 | e | 36.85 | e | 44.37 | 56.55 | 64.66 | a | 73.57 | a | 70.32 | 65.50 | 44.52 | 36.73 | 33.13 | 48.98 | |||||||||
1925 | 27.52 | b | 36.93 | 41.61 | 46.70 | 57.57 | a | 65.10 | 74.77 | 69.89 | c | 60.33 | c | 50.41 | b | 37.83 | 32.77 | 50.12 | ||||||||
1926 | 28.03 | 35.21 | 44.29 | 52.70 | 53.74 | 62.83 | 70.97 | 69.13 | 65.03 | a | 51.77 | 37.80 | 35.65 | 50.60 | ||||||||||||
1927 | 34.48 | 39.93 | 37.14 | b | 44.90 | 51.26 | 59.45 | a | 71.27 | a | 69.73 | e | 63.83 | f | 46.88 | g | 40.82 | b | 31.35 | e | 48.03 | b | ||||
1928 | 27.92 | f | 34.14 | a | 43.53 | p | 43.07 | b | 58.26 | 60.96 | b | 70.52 | h | 69.59 | d | 64.54 | d | 50.92 | e | 40.34 | a | 33.15 | d | 50.55 | c | |
1929 | 30.34 | b | 33.74 | a | 38.00 | b | 44.08 | f | 54.00 | b | 60.72 | a | 74.96 | e | 72.12 | n | 63.61 | l | 51.52 | b | 34.40 | 30.46 | e | 45.35 | c | |
1930 | 35.26 | d | 35.89 | i | 41.68 | i | 50.23 | 50.00 | d | 63.04 | b | 73.29 | g | 71.74 | 62.97 | 49.19 | 42.67 | 33.76 | b | 50.98 | c | |||||
1931 | 33.60 | a | 43.50 | b | 42.30 | d | 54.55 | a | 60.04 | c | 67.33 | 78.90 | 75.07 | d | 69.43 | b | 51.74 | 41.33 | 36.83 | a | 54.55 | |||||
1932 | 30.13 | 42.29 | a | 43.03 | 45.97 | a | 53.77 | 63.80 | 75.77 | a | 73.74 | d | 67.57 | 51.90 | 41.47 | m | 34.73 | a | 52.97 | a | ||||||
1933 | 33.59 | b | 32.64 | 40.23 | 46.33 | c | 52.30 | a | 68.26 | c | 79.10 | 75.87 | 69.70 | 58.79 | g | 41.43 | g | 34.73 | a | 53.27 | b | |||||
1934 | 33.38 | b | 42.14 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 37.76 | j | |
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 | 41.22 | v | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1964 | 31.44 | f | ----- | z | 41.90 | 49.48 | a | 55.58 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.99 | i | ||
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 | 52.33 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.44 | f | 52.33 | k | |
1973 | 35.61 | 42.79 | 42.87 | a | 53.26 | c | 63.19 | d | 70.67 | 76.33 | a | 74.74 | 63.73 | 52.77 | 41.53 | 34.94 | 54.37 | |||||||||
1974 | 37.71 | 34.29 | 44.52 | 47.34 | a | 54.87 | 65.66 | a | 69.32 | 66.35 | 63.41 | a | 57.81 | 40.70 | 30.32 | c | 51.03 | |||||||||
1975 | 30.68 | 34.07 | 40.23 | 41.57 | 52.42 | 61.23 | 74.35 | 68.74 | 64.07 | b | 46.84 | 34.20 | 31.03 | 48.29 | ||||||||||||
1976 | 30.11 | m | 39.14 | 40.17 | a | 46.21 | a | 57.90 | 64.57 | 75.90 | 70.00 | f | 66.90 | a | 52.20 | a | 41.47 | 31.52 | b | 51.60 | b | |||||
1977 | 34.61 | 36.71 | 37.94 | 48.73 | 54.29 | 68.03 | 75.94 | 75.19 | d | 66.97 | 53.77 | 42.21 | b | 39.17 | b | 52.80 | ||||||||||
1978 | 39.61 | 42.48 | a | 49.30 | u | 49.44 | n | 55.43 | a | 66.13 | 73.10 | a | 72.06 | 66.93 | 59.45 | b | 44.30 | 33.26 | 55.28 | b | ||||||
1979 | 34.50 | a | 35.89 | a | 41.93 | a | 44.45 | h | 60.72 | b | 64.04 | b | 70.03 | a | 65.52 | d | 67.83 | f | 53.26 | 38.89 | b | 35.03 | a | 49.98 | b | |
1980 | 41.10 | a | 43.96 | a | 42.63 | a | 48.03 | a | 52.84 | 59.61 | b | 72.19 | e | 69.11 | c | 57.47 | 48.14 | b | 33.20 | e | ----- | z | 51.66 | a | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 33.21 | 37.49 | 40.60 | 46.92 | 54.41 | 63.68 | 73.83 | 71.35 | 64.24 | 50.32 | 38.80 | 33.31 | 50.44 | |||||||||||||
S.D. | 3.65 | 3.41 | 2.72 | 3.42 | 3.41 | 4.02 | 2.84 | 2.79 | 3.23 | 3.70 | 3.88 | 3.18 | 2.19 | |||||||||||||
SKEW | 0.23 | 0.50 | -0.13 | 0.52 | 0.77 | 0.50 | 0.35 | -0.05 | -0.26 | 0.47 | 0.18 | -0.48 | 0.89 | |||||||||||||
MAX | 41.10 | 43.96 | 44.69 | 54.55 | 63.19 | 72.85 | 79.63 | 75.87 | 69.70 | 59.45 | 48.62 | 39.17 | 54.55 | |||||||||||||
MIN | 27.52 | 32.64 | 36.58 | 41.57 | 49.28 | 56.93 | 69.32 | 65.52 | 57.47 | 43.52 | 30.97 | 25.65 | 48.07 | |||||||||||||
YRS | 28 | 29 | 25 | 28 | 28 | 28 | 26 | 26 | 24 | 26 | 27 | 28 | 13 |