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 | ----- | 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 | 73.24 | m | 65.09 | t | 55.24 | a | 43.68 | 49.46 | j | |
1917 | 39.71 | 44.25 | 51.97 | a | 59.96 | b | 63.53 | a | 83.83 | 85.23 | a | 81.97 | 76.33 | 69.94 | 60.97 | a | 55.32 | 64.42 | ||||||||
1918 | 41.76 | b | 48.75 | 56.10 | a | 61.50 | 67.52 | 85.63 | 81.68 | 81.13 | 79.80 | 66.58 | 48.77 | 38.23 | 63.12 | |||||||||||
1919 | 35.23 | 39.85 | b | 49.55 | 63.83 | 71.42 | 82.13 | 78.87 | 82.80 | a | 72.97 | 60.26 | 51.40 | 43.68 | 61.00 | |||||||||||
1920 | 40.66 | b | 48.93 | 51.10 | 56.93 | 71.77 | 78.63 | 83.84 | 80.03 | 75.87 | 62.06 | 53.50 | 43.87 | 62.27 | ||||||||||||
1921 | 47.30 | a | 50.43 | 59.80 | a | 61.63 | 70.16 | 81.66 | a | 80.35 | 77.52 | 76.37 | 69.27 | a | 59.60 | 48.32 | 65.20 | |||||||||
1922 | 38.81 | 44.29 | 50.84 | 55.80 | 70.74 | 83.20 | 84.23 | 81.97 | 79.88 | f | 68.39 | 48.87 | 46.39 | 61.23 | a | |||||||||||
1923 | 49.87 | 43.46 | 49.13 | 61.40 | 72.97 | 80.40 | 83.29 | 77.32 | 71.43 | 62.13 | 52.17 | 40.06 | 61.97 | |||||||||||||
1924 | 42.00 | 53.17 | 47.52 | 59.73 | 72.58 | 86.47 | 82.35 | 83.10 | 80.17 | 68.42 | 58.23 | 39.32 | 64.42 | |||||||||||||
1925 | 42.48 | 52.68 | 59.32 | 64.77 | 75.06 | 78.20 | 84.06 | 79.48 | 74.03 | 64.03 | 53.07 | 44.65 | 64.32 | |||||||||||||
1926 | 41.58 | 52.75 | 52.45 | 57.83 | 68.84 | 82.60 | 83.55 | 83.94 | 78.70 | 68.39 | 58.50 | 37.26 | 63.87 | |||||||||||||
1927 | 48.45 | 52.07 | 52.97 | 61.87 | 74.10 | 79.93 | 85.52 | 80.81 | 74.63 | 68.74 | 58.87 | 39.39 | 64.78 | |||||||||||||
1928 | 46.42 | 45.41 | 57.48 | 62.87 | 73.35 | 82.93 | 85.77 | 81.70 | d | 81.63 | 67.65 | 48.93 | 45.45 | 64.97 | ||||||||||||
1929 | 43.96 | h | 41.68 | 51.16 | 59.93 | 71.94 | 83.63 | 84.16 | 79.48 | 75.67 | 66.97 | 55.14 | b | 54.58 | 65.85 | a | ||||||||||
1930 | 40.39 | 54.44 | a | 51.83 | a | 64.97 | 62.53 | a | 84.80 | 82.35 | 82.45 | 76.45 | a | 65.68 | 52.14 | a | 43.00 | a | 63.42 | |||||||
1931 | 42.77 | a | 47.68 | 56.84 | 64.57 | 72.81 | 80.93 | 85.81 | d | 80.97 | 76.90 | 66.19 | 49.24 | a | 35.84 | 63.38 | ||||||||||
1932 | 36.83 | a | 47.18 | a | 53.13 | h | 62.93 | b | 73.12 | g | 81.10 | 83.45 | 82.74 | 80.37 | 66.19 | 59.67 | 38.66 | b | 63.91 | b | ||||||
1933 | 39.29 | 41.50 | 57.87 | 58.30 | 63.48 | d | 82.13 | 88.20 | a | 84.16 | 78.33 | 68.87 | a | 59.72 | a | 53.42 | 64.61 | |||||||||
1934 | 51.29 | g | 56.04 | 64.71 | 67.17 | 79.53 | a | 81.32 | e | 90.39 | 85.42 | 78.52 | a | 73.08 | e | 57.90 | a | 47.70 | a | 71.07 | a | |||||
1935 | 46.30 | a | 50.30 | a | 54.21 | b | 64.10 | 66.27 | a | 85.23 | 87.76 | f | 84.42 | 78.17 | 69.71 | 51.62 | i | 44.81 | 64.35 | b | ||||||
1936 | 47.90 | a | 47.24 | 56.97 | 67.83 | a | 76.97 | 87.13 | 88.68 | 88.13 | 75.63 | 69.27 | e | 52.93 | b | 46.47 | a | 67.10 | ||||||||
1937 | 33.41 | b | 45.04 | a | 53.35 | 63.70 | 74.74 | 79.90 | i | 87.06 | 87.42 | 82.48 | a | 71.67 | a | 60.87 | 50.48 | 64.57 | a | |||||||
1938 | 47.03 | 48.30 | a | 51.70 | a | 61.43 | b | 70.58 | 83.00 | 85.71 | 82.13 | h | 78.93 | 70.70 | h | ----- | z | ----- | z | 65.84 | d | |||||
1939 | 42.87 | 44.40 | h | 56.50 | a | 65.07 | 75.29 | 84.50 | 89.81 | 87.17 | a | 79.37 | c | 66.03 | 49.80 | 52.42 | 68.07 | a | ||||||||
1940 | 45.07 | a | 49.86 | 57.87 | 64.38 | a | 76.26 | 85.47 | 88.33 | g | 83.55 | 76.17 | 70.29 | c | 52.77 | 48.65 | 64.57 | a | ||||||||
1941 | 44.06 | 49.29 | 52.68 | 54.47 | 71.00 | 77.07 | 84.35 | 82.03 | 76.07 | 62.45 | 56.37 | 46.81 | 63.05 | |||||||||||||
1942 | 47.10 | 46.79 | 53.97 | 61.17 | 72.23 | 83.80 | 91.48 | 83.94 | 79.93 | 66.19 | 59.77 | 49.47 | a | 66.32 | ||||||||||||
1943 | 46.58 | 58.61 | 55.84 | 68.53 | 75.35 | 81.90 | 87.26 | 82.90 | 80.13 | 68.94 | 57.37 | 44.03 | 67.29 | |||||||||||||
1944 | 43.50 | a | 47.68 | a | 51.10 | 58.67 | 71.00 | a | 79.10 | 85.45 | 85.87 | 78.27 | ----- | z | 50.83 | a | 48.04 | g | 65.15 | b | ||||||
1945 | 45.68 | c | 49.82 | k | 48.74 | ----- | z | ----- | z | 78.93 | 86.00 | a | 83.29 | 79.50 | 68.37 | l | ----- | z | ----- | z | 70.36 | f | ||||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.89 | b | 51.87 | 51.88 | j | |
1947 | 42.74 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 87.55 | 81.97 | 80.90 | 67.90 | 47.37 | 42.36 | c | 64.40 | e | ||||||
1948 | 48.71 | 44.48 | 47.29 | 65.97 | 75.39 | 82.31 | a | 86.39 | 83.97 | 81.27 | 68.23 | 52.30 | 48.39 | 65.39 | ||||||||||||
1949 | 34.65 | 45.50 | 55.16 | 65.27 | 73.84 | 80.43 | 82.61 | 84.19 | 80.77 | 65.48 | 61.70 | 45.07 | a | 64.56 | ||||||||||||
1950 | 51.68 | 53.18 | 59.00 | a | 68.50 | 73.90 | 84.27 | 83.87 | 85.48 | 75.27 | 76.74 | 66.33 | 57.58 | 69.65 | ||||||||||||
1951 | 51.36 | q | 52.04 | 54.42 | 62.50 | 72.77 | a | 83.73 | 89.35 | 84.84 | 81.90 | 67.61 | 53.07 | 42.20 | f | 70.22 | b | |||||||||
1952 | 53.57 | x | ----- | z | ----- | z | 61.87 | 73.83 | m | 81.40 | 85.74 | 83.32 | 81.77 | 77.29 | 49.83 | 45.00 | b | 70.78 | d | |||||||
1953 | ----- | z | 50.69 | b | 54.31 | b | 63.55 | a | 68.48 | b | 82.64 | e | 85.65 | e | ----- | z | 84.00 | 70.77 | 62.15 | d | ----- | z | 69.14 | c | ||
1954 | ----- | z | ----- | z | ----- | z | 71.53 | k | 74.26 | 85.63 | k | 86.87 | 81.48 | 83.22 | g | 72.55 | 60.77 | 50.00 | a | 70.99 | f | |||||
1955 | 40.84 | f | 44.77 | b | 57.72 | b | 64.30 | 72.17 | b | 79.83 | 82.84 | 80.13 | 82.20 | 73.77 | 57.24 | e | 55.10 | b | 68.19 | a | ||||||
1956 | 52.71 | 45.97 | 59.96 | g | 62.68 | k | 75.71 | 88.09 | h | 85.70 | a | 84.84 | 87.15 | d | 68.33 | g | 54.14 | h | 49.35 | 68.78 | e | |||||
1957 | 45.71 | 57.07 | 55.52 | 61.33 | 72.29 | j | 82.83 | g | 85.45 | k | 80.00 | e | 80.38 | f | 64.36 | i | 51.77 | q | 53.28 | m | 59.93 | g | ||||
1958 | 45.68 | f | 52.57 | 47.87 | 61.63 | c | 76.72 | b | 85.66 | a | 87.42 | 85.32 | 75.37 | 67.86 | b | 55.80 | e | 55.34 | b | 68.32 | a | |||||
1959 | 50.19 | d | 46.22 | j | 58.74 | d | 68.39 | b | 72.63 | d | 85.90 | 87.97 | 79.48 | b | 78.20 | 68.63 | a | 53.41 | c | 46.72 | b | 68.21 | a | |||
1960 | 40.00 | 42.85 | c | 59.83 | a | 66.68 | b | 71.60 | a | 85.77 | 88.62 | b | 85.10 | 81.76 | a | 64.50 | a | 58.32 | e | 39.75 | c | 65.40 | ||||
1961 | 46.94 | 52.21 | 55.03 | b | 64.44 | c | 73.39 | 88.36 | b | 87.82 | c | 80.50 | i | 74.21 | a | 66.48 | 51.18 | h | ----- | z | 67.65 | c | ||||
1962 | 40.68 | 48.04 | c | 48.45 | 69.10 | 70.77 | 80.43 | 84.71 | 86.16 | 76.70 | 66.29 | 58.17 | 52.45 | k | 66.32 | a | ||||||||||
1963 | 40.77 | 54.21 | 55.68 | 63.57 | 76.16 | 80.73 | 87.94 | 78.35 | 78.50 | 70.87 | 54.33 | 48.74 | 65.82 | |||||||||||||
1964 | 43.97 | 44.54 | a | 50.26 | 60.23 | 73.00 | a | 80.60 | 85.97 | a | 80.10 | 74.27 | 72.55 | 50.55 | a | 45.84 | 63.49 | |||||||||
1965 | 47.52 | 45.64 | 50.90 | 60.77 | 68.00 | 74.77 | 83.06 | 82.90 | b | 73.90 | a | 70.71 | 58.00 | 45.13 | 63.44 | |||||||||||
1966 | 41.52 | 43.22 | a | 58.03 | b | 65.83 | 75.23 | 80.83 | 87.32 | 83.10 | b | 76.13 | 67.16 | 59.57 | 44.39 | 65.19 | ||||||||||
1967 | 45.94 | 54.07 | 61.23 | a | 61.61 | b | 71.55 | 79.27 | 84.74 | 81.67 | a | 76.93 | 71.48 | b | 61.30 | 39.63 | d | 65.78 | ||||||||
1968 | 39.16 | 51.72 | 53.94 | 59.20 | 70.74 | 82.27 | 83.74 | 77.31 | b | 77.37 | 68.58 | 54.60 | 47.94 | 63.88 | ||||||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.63 | 48.68 | 54.28 | 62.77 | 72.14 | 82.28 | 85.52 | 82.61 | 78.15 | 68.32 | 55.52 | 46.23 | 64.57 | |||||||||||||
S.D. | 4.49 | 4.47 | 4.01 | 3.40 | 3.58 | 2.79 | 2.58 | 2.61 | 3.13 | 3.49 | 4.46 | 5.30 | 1.76 | |||||||||||||
SKEW | -0.21 | 0.15 | 0.21 | -0.19 | -0.81 | -0.16 | -0.05 | -0.13 | 0.34 | 0.22 | 0.09 | 0.14 | 0.61 | |||||||||||||
MAX | 52.71 | 58.61 | 64.71 | 69.10 | 79.53 | 88.36 | 91.48 | 88.13 | 87.15 | 77.29 | 66.33 | 57.58 | 69.65 | |||||||||||||
MIN | 33.41 | 39.85 | 47.29 | 54.47 | 62.53 | 74.77 | 78.87 | 77.31 | 71.43 | 60.26 | 47.37 | 35.84 | 61.00 | |||||||||||||
YRS | 43 | 45 | 46 | 47 | 46 | 46 | 48 | 48 | 48 | 46 | 47 | 45 | 28 |