YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1912 | 39.43 | a | ----- | z | 48.10 | b | 58.31 | a | 67.13 | 74.93 | 77.74 | 74.94 | 70.45 | a | 56.10 | a | 47.67 | 40.39 | 59.56 | a | ||||||
1913 | 40.36 | c | 41.48 | c | 46.23 | 56.96 | c | 65.07 | d | 73.03 | 79.61 | h | 80.96 | d | 71.43 | 60.26 | 47.70 | 35.87 | 56.31 | a | ||||||
1914 | 41.53 | a | 41.71 | 54.90 | a | 60.07 | 71.39 | 72.21 | b | 83.10 | 84.45 | i | 68.03 | a | 60.00 | 49.87 | 32.90 | 57.79 | a | |||||||
1915 | 36.65 | 43.71 | 55.57 | j | 66.07 | 64.42 | 73.27 | 76.61 | 84.39 | 71.10 | a | 62.13 | 44.93 | 39.42 | 60.25 | a | ||||||||||
1916 | 27.32 | 36.24 | 45.16 | 61.20 | 62.03 | 72.17 | 73.39 | 79.81 | 72.43 | 64.35 | 42.13 | 38.61 | 56.24 | |||||||||||||
1917 | 41.41 | b | 42.50 | 42.42 | 52.83 | 60.35 | 71.36 | b | 81.61 | 83.87 | 70.20 | 68.90 | 50.93 | 49.10 | 59.62 | |||||||||||
1918 | 46.77 | 41.43 | 50.42 | 61.53 | 64.26 | 79.10 | 78.35 | 74.42 | 76.37 | 62.39 | 48.00 | 40.39 | 60.29 | |||||||||||||
1919 | 41.39 | 41.57 | 51.39 | 59.67 | 65.23 | 70.60 | 80.55 | 79.77 | 65.23 | 58.84 | 46.53 | 33.19 | 57.83 | |||||||||||||
1920 | 38.65 | 44.38 | 49.29 | 52.47 | 64.00 | 69.93 | 79.58 | 80.19 | 68.34 | a | 57.10 | 46.17 | 40.71 | 57.57 | ||||||||||||
1921 | 39.55 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.83 | s | 39.55 | k | |
1922 | 31.10 | 38.61 | 43.48 | 52.40 | 64.10 | 78.63 | 82.74 | 77.52 | 73.80 | 61.10 | 40.60 | 35.42 | 56.62 | |||||||||||||
1923 | 37.61 | 43.79 | 51.61 | 56.70 | 62.90 | 70.53 | 79.45 | 79.87 | 74.77 | 58.32 | 50.50 | 41.00 | 58.92 | |||||||||||||
1924 | 36.23 | 48.00 | 50.65 | 61.43 | 73.81 | 75.00 | 78.03 | 77.23 | a | 72.87 | 57.20 | a | 42.86 | a | 34.60 | a | 58.99 | |||||||||
1925 | 43.39 | 47.57 | 53.74 | 61.70 | 70.13 | a | 73.70 | 84.87 | p | 79.15 | d | ----- | z | 67.73 | t | ----- | z | ----- | z | 61.34 | e | |||||
1926 | 38.74 | 45.57 | 60.84 | 66.73 | 65.87 | a | 78.67 | 81.16 | 79.68 | 66.93 | 61.70 | a | 47.21 | b | 41.00 | 61.18 | ||||||||||
1927 | 33.74 | h | 44.41 | k | ----- | z | 57.59 | a | ----- | z | 76.60 | y | 81.89 | l | 81.00 | e | ----- | z | 59.96 | d | 48.70 | c | 37.06 | 56.86 | g | |
1928 | 36.03 | 43.83 | 50.48 | f | 53.93 | 71.94 | 68.27 | 79.16 | 78.68 | 71.90 | 59.45 | 46.70 | 34.52 | 58.58 | a | |||||||||||
1929 | 33.71 | 36.04 | 51.13 | 55.63 | 67.87 | 71.63 | 79.45 | 82.45 | 70.73 | 64.83 | a | 52.17 | 43.94 | 59.13 | ||||||||||||
1930 | 23.29 | 48.46 | 54.52 | 64.37 | 62.37 | a | 71.50 | 81.13 | 81.97 | 71.20 | 56.42 | 47.10 | a | 34.90 | a | 58.10 | ||||||||||
1931 | 41.10 | 44.93 | 50.58 | 62.00 | 71.63 | a | 71.17 | 84.85 | e | 82.55 | 71.10 | 60.68 | 44.27 | 35.19 | 60.00 | |||||||||||
1932 | 38.03 | 43.52 | 49.00 | 58.90 | 65.35 | 76.17 | 75.10 | 77.71 | 76.97 | 62.68 | 48.80 | 36.68 | 59.07 | |||||||||||||
1933 | 40.35 | 36.68 | 41.53 | a | 51.53 | 51.90 | 63.40 | 69.07 | d | 79.68 | 67.10 | 66.52 | 51.33 | 46.23 | 55.44 | |||||||||||
1934 | 46.84 | 51.57 | 61.50 | a | 69.23 | 71.48 | 76.53 | 79.03 | 82.48 | 72.07 | 63.23 | 48.03 | a | 42.77 | 63.73 | |||||||||||
1935 | 38.47 | a | 44.50 | 47.58 | 58.40 | 69.06 | 74.33 | 79.40 | a | 80.39 | 79.20 | 60.84 | 46.73 | 35.16 | 59.51 | |||||||||||
1936 | 41.68 | 31.68 | a | 51.00 | 64.93 | 70.77 | 73.03 | 78.94 | 81.97 | 75.17 | 68.50 | a | 47.87 | 45.13 | 60.89 | |||||||||||
1937 | 27.84 | 42.56 | a | 51.16 | 54.73 | 69.50 | e | 73.50 | 82.29 | 74.94 | 73.30 | 64.48 | 47.60 | 43.23 | 58.76 | |||||||||||
1938 | 39.61 | 39.61 | 48.55 | 61.70 | 70.10 | 77.90 | 85.71 | 79.52 | 79.10 | 60.71 | 45.57 | 43.29 | 60.95 | |||||||||||||
1939 | 44.84 | 42.54 | 55.20 | f | 66.60 | 70.48 | 71.80 | 82.27 | i | 84.26 | 75.17 | 61.39 | 52.73 | h | 43.97 | 62.34 | c | |||||||||
1940 | 40.04 | e | 45.00 | 57.32 | 60.67 | 73.13 | 82.29 | i | 80.90 | 82.45 | i | 73.10 | 61.29 | 42.87 | 40.10 | 57.44 | b | |||||||||
1941 | 37.61 | 45.25 | 60.23 | 64.50 | 66.45 | 72.35 | j | 87.35 | e | 79.19 | 66.90 | 59.45 | 50.07 | 42.23 | 59.93 | a | ||||||||||
1942 | 27.55 | 42.46 | 53.94 | 62.70 | 64.45 | 71.60 | 82.19 | 84.23 | 76.57 | 62.90 | 42.17 | 41.81 | 59.38 | |||||||||||||
1943 | 33.29 | 43.71 | 50.06 | 62.70 | 65.48 | 71.27 | 82.97 | 77.52 | 77.43 | 57.94 | 46.20 | 38.06 | 58.89 | |||||||||||||
1944 | 36.77 | 43.38 | 51.84 | 59.53 | 68.58 | 72.27 | 82.58 | 78.35 | 74.57 | 63.50 | a | 42.69 | a | 33.94 | 59.00 | |||||||||||
1945 | 41.48 | 44.54 | 46.94 | 57.33 | 67.90 | 74.37 | 85.45 | 80.97 | 69.67 | 62.52 | 45.50 | 35.84 | 59.37 | |||||||||||||
1946 | 42.40 | a | 43.64 | 50.29 | 61.38 | a | 70.71 | 69.87 | 81.16 | 81.68 | 69.73 | 56.26 | 45.83 | 43.26 | 59.68 | |||||||||||
1947 | 39.32 | 51.54 | 57.52 | 63.33 | 74.23 | 71.03 | 76.71 | 75.32 | 73.67 | 57.03 | 47.79 | a | 41.77 | 60.77 | ||||||||||||
1948 | 37.71 | 37.52 | 44.63 | a | 53.70 | 64.39 | 76.93 | 79.39 | 76.90 | 71.67 | 60.32 | 47.20 | 35.68 | 57.17 | ||||||||||||
1949 | 28.94 | 39.68 | 48.65 | 62.07 | 71.45 | 73.77 | 78.90 | 77.48 | 73.60 | 57.48 | 52.83 | 41.81 | 58.89 | |||||||||||||
1950 | 25.32 | 38.79 | 45.74 | 55.30 | 65.87 | 71.60 | 81.35 | 83.61 | 76.00 | 55.32 | 46.10 | 43.94 | 57.41 | |||||||||||||
1951 | 37.65 | 43.61 | 47.55 | 64.67 | 68.13 | 77.93 | 83.48 | 82.00 | 77.23 | 58.19 | 47.53 | 37.19 | 60.43 | |||||||||||||
1952 | 34.71 | 43.83 | 49.32 | 62.93 | 69.07 | a | 68.20 | 76.23 | 75.77 | 78.10 | 72.03 | 44.40 | 38.42 | 59.42 | ||||||||||||
1953 | 49.39 | 49.86 | 51.77 | 56.77 | 62.84 | 66.13 | 82.58 | 79.39 | 77.00 | 65.19 | 51.56 | e | 46.10 | 61.55 | ||||||||||||
1954 | 39.58 | 41.67 | a | 48.84 | 56.63 | 66.87 | 65.55 | h | 76.10 | 72.97 | 71.00 | 58.26 | 52.10 | a | 39.16 | 56.65 | a | |||||||||
1955 | 38.10 | 43.61 | 44.71 | 50.30 | 61.58 | 71.07 | 74.74 | 80.23 | 73.10 | 57.87 | 40.77 | 37.74 | d | 56.15 | ||||||||||||
1956 | 36.32 | 36.48 | 47.55 | b | 61.73 | 70.68 | 68.07 | 83.19 | 76.80 | f | 73.37 | 57.42 | 45.00 | 42.58 | 56.58 | a | ||||||||||
1957 | 27.68 | 41.96 | 47.58 | 59.77 | 68.87 | a | 72.93 | 76.71 | 75.63 | a | 77.53 | 56.03 | 49.03 | 45.16 | 58.24 | |||||||||||
1958 | 41.35 | 48.29 | 48.77 | 56.87 | 75.58 | 76.10 | 86.42 | 85.23 | 71.83 | 64.06 | 47.40 | 43.39 | 62.11 | |||||||||||||
1959 | 39.32 | 42.36 | 50.65 | 59.60 | 62.35 | 71.50 | 84.19 | 76.52 | 67.23 | 61.52 | 49.83 | 40.84 | 58.83 | |||||||||||||
1960 | 34.73 | a | 43.83 | 51.13 | 56.73 | 60.26 | 77.00 | 85.97 | 74.94 | 75.43 | 63.61 | 46.87 | 37.13 | 58.97 | ||||||||||||
1961 | 41.45 | 47.96 | 49.61 | 56.80 | 63.77 | 79.93 | 83.90 | 86.39 | 69.27 | 59.26 | 43.77 | 40.90 | b | 60.25 | ||||||||||||
1962 | 42.39 | 43.39 | 47.61 | 61.83 | 58.39 | 73.13 | 79.90 | 74.03 | 72.57 | 59.13 | 48.83 | 45.40 | f | 60.11 | a | |||||||||||
1963 | 39.81 | 51.35 | k | ----- | z | ----- | z | 76.14 | q | 71.54 | d | 76.50 | c | 79.77 | 76.77 | 63.52 | 47.00 | 36.54 | c | 61.43 | d | |||||
1964 | 42.00 | a | 50.00 | 49.13 | 56.48 | a | 64.81 | 69.31 | d | 77.67 | d | 72.90 | 68.97 | 60.81 | 43.48 | a | 36.27 | e | 57.65 | |||||||
1965 | 39.10 | 48.36 | 52.71 | 59.93 | 62.74 | 71.23 | 79.26 | 76.27 | a | 69.20 | 65.45 | 48.77 | 40.13 | a | 59.43 | |||||||||||
1966 | 39.67 | a | 44.93 | 50.93 | a | 62.17 | 72.35 | 71.71 | b | 77.94 | 79.10 | 74.93 | 64.23 | a | 48.80 | 41.58 | 60.70 | |||||||||
1967 | 44.13 | h | 51.57 | e | 49.16 | 57.61 | b | 71.00 | 77.70 | 84.00 | 89.33 | a | 79.83 | 60.47 | a | 49.45 | a | 40.81 | 64.63 | a | ||||||
1968 | 37.84 | 46.17 | 51.03 | a | 56.69 | a | 66.57 | c | 75.45 | h | 85.03 | 75.97 | b | ----- | z | 57.55 | i | 44.90 | a | 38.35 | n | 58.02 | d | |||
1969 | 28.43 | q | 44.11 | i | 52.68 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 37.88 | 43.51 | 50.20 | 59.42 | 66.88 | 72.91 | 80.37 | 79.45 | 72.85 | 61.10 | 47.01 | 39.75 | 59.18 | |||||||||||||
S.D. | 5.38 | 4.19 | 4.24 | 4.18 | 4.50 | 3.42 | 3.66 | 3.54 | 3.58 | 3.53 | 2.91 | 3.80 | 1.68 | |||||||||||||
SKEW | -0.79 | -0.26 | 0.67 | -0.03 | -0.55 | -0.04 | -0.43 | 0.30 | -0.03 | 0.71 | -0.19 | 0.12 | 0.09 | |||||||||||||
MAX | 49.39 | 51.57 | 61.50 | 69.23 | 75.58 | 79.93 | 87.35 | 89.33 | 79.83 | 72.03 | 52.83 | 49.10 | 63.73 | |||||||||||||
MIN | 23.29 | 31.68 | 41.53 | 50.30 | 51.90 | 63.40 | 69.07 | 72.90 | 65.23 | 55.32 | 40.60 | 32.90 | 55.44 | |||||||||||||
YRS | 55 | 53 | 51 | 55 | 54 | 51 | 52 | 53 | 53 | 54 | 54 | 53 | 40 |