YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.73 | a | 83.92 | g | 75.69 | a | 62.13 | 56.53 | 36.81 | 62.18 | g | |||
1915 | 34.76 | b | 41.75 | 48.94 | 60.03 | 65.00 | h | 77.87 | 79.97 | 80.87 | 74.27 | 68.06 | 53.50 | 45.71 | 60.52 | a | ||||||||||
1916 | 42.19 | 49.48 | 59.71 | 63.87 | 72.67 | a | 83.57 | 83.03 | 80.29 | j | 76.70 | 62.96 | e | 57.03 | 42.04 | e | 63.02 | a | ||||||||
1917 | 39.16 | 42.96 | 51.33 | a | 62.13 | 63.13 | 85.68 | h | 88.77 | 83.88 | e | 79.14 | h | 69.81 | d | 60.04 | e | 52.71 | 61.39 | b | ||||||
1918 | 41.77 | 49.32 | 54.23 | 63.50 | f | 69.67 | d | 77.13 | 84.83 | a | 83.85 | e | 78.93 | 67.58 | 50.46 | b | 40.00 | e | 63.43 | a | ||||||
1919 | 35.59 | i | 41.46 | 53.52 | 62.34 | a | 69.29 | c | 71.00 | a | 73.68 | 84.00 | 74.21 | p | 62.48 | 54.89 | b | 49.00 | 62.17 | b | ||||||
1920 | 43.52 | 47.27 | c | 51.82 | c | 58.52 | c | 70.23 | ----- | z | ----- | z | ----- | z | ----- | z | 55.50 | q | 53.64 | e | 44.23 | i | 54.17 | f | ||
1921 | 46.75 | g | 49.55 | f | 58.81 | d | 62.40 | e | 74.82 | c | 80.15 | c | 82.13 | a | 79.29 | c | 80.12 | e | ----- | z | ----- | z | ----- | z | 73.96 | e |
1922 | 41.42 | 48.17 | j | ----- | z | ----- | z | 80.38 | w | 86.17 | 90.67 | p | 84.11 | d | 79.65 | j | 69.81 | 48.17 | 45.61 | 62.55 | f | |||||
1923 | 50.50 | s | ----- | z | 49.84 | 56.70 | 75.19 | 85.50 | 87.45 | 78.97 | 76.70 | 73.75 | s | 51.70 | c | 38.43 | h | 70.26 | d | |||||||
1924 | 33.17 | g | 46.47 | n | 47.84 | 54.48 | c | 68.76 | f | 81.00 | t | 81.38 | g | 80.06 | o | 74.00 | u | 63.27 | e | 49.68 | h | 36.86 | q | 55.20 | i | |
1925 | 35.04 | e | 47.00 | q | ----- | z | ----- | z | ----- | z | 83.86 | i | 85.94 | 79.29 | c | 76.56 | c | 65.77 | e | 53.40 | e | 45.28 | b | 63.04 | e | |
1926 | 40.27 | a | 51.41 | a | 55.90 | b | 62.38 | d | 69.00 | d | 85.11 | l | 85.13 | 87.75 | c | 82.18 | b | 72.54 | e | 57.17 | g | 44.42 | s | 67.39 | c | |
1927 | 49.45 | t | 50.59 | a | 53.97 | 64.74 | c | 75.79 | b | 81.45 | a | 84.41 | d | 80.48 | h | 72.50 | d | 66.61 | c | 56.91 | g | 40.68 | c | 65.64 | c | |
1928 | 46.64 | c | 45.64 | d | 57.10 | b | 62.00 | 72.70 | a | 82.77 | 86.56 | d | 83.85 | e | 80.89 | c | ----- | z | 53.13 | 46.94 | 65.29 | a | ||||
1929 | ----- | z | ----- | z | 55.29 | j | 62.47 | 73.62 | b | 85.56 | c | 85.33 | a | 81.33 | a | 74.71 | b | 64.96 | c | 43.33 | c | 38.33 | a | 67.74 | c | |
1930 | 33.70 | h | 54.79 | d | 54.74 | 69.30 | 70.27 | a | 87.61 | g | 82.58 | 83.45 | 77.43 | 67.52 | b | 49.03 | ----- | z | 67.68 | c | ||||||
1931 | 40.87 | 46.07 | 52.58 | 64.27 | 71.81 | 83.37 | 87.00 | ----- | z | 83.87 | 67.03 | a | 48.40 | 39.67 | d | 62.27 | a | |||||||||
1932 | 32.77 | a | 47.86 | 54.47 | a | 64.10 | 71.93 | a | 80.93 | 83.32 | 82.26 | 78.45 | a | 65.30 | a | 56.47 | 34.60 | a | 62.70 | |||||||
1933 | 36.58 | 40.15 | b | 56.65 | 58.53 | 67.81 | 82.47 | 85.90 | 83.32 | 81.57 | 69.23 | 59.13 | 49.93 | d | 64.27 | |||||||||||
1934 | 47.43 | a | 55.35 | b | 62.17 | b | 68.14 | b | 78.16 | 82.16 | e | 89.79 | b | 85.87 | a | 79.07 | 72.58 | 59.85 | j | 46.55 | 69.75 | a | ||||
1935 | 47.53 | a | 47.46 | 53.93 | a | 61.37 | 65.74 | 84.93 | 88.19 | 86.06 | 78.80 | e | 69.24 | b | 52.83 | 45.23 | a | 65.11 | ||||||||
1936 | 43.30 | a | 47.09 | f | 57.65 | 66.50 | 76.40 | f | 87.47 | 87.45 | 84.77 | 74.70 | 67.42 | 55.50 | 46.71 | 67.15 | b | |||||||||
1937 | 32.90 | a | 45.08 | b | 51.17 | g | 61.13 | 73.57 | c | 79.80 | 84.26 | 84.77 | 79.03 | 66.81 | 56.53 | 44.87 | 64.43 | a | ||||||||
1938 | 42.68 | 44.57 | 50.97 | 62.10 | 68.74 | 80.27 | 83.13 | 82.81 | 73.90 | 66.87 | 47.39 | b | 44.83 | a | 62.35 | |||||||||||
1939 | 39.26 | 34.96 | a | 52.32 | 62.37 | 69.35 | 77.43 | 83.23 | a | 82.39 | 75.07 | 64.00 | 54.20 | 48.87 | 61.95 | |||||||||||
1940 | 41.50 | a | 44.52 | 55.87 | 61.67 | 72.86 | b | 81.97 | 84.68 | 81.00 | 73.07 | 65.84 | 50.00 | 44.55 | 63.13 | |||||||||||
1941 | 38.97 | 47.29 | 51.55 | 52.83 | 70.10 | 75.33 | 81.23 | 80.06 | 73.37 | 61.29 | 53.47 | 45.61 | 60.92 | |||||||||||||
1942 | 43.45 | 43.00 | 49.23 | 62.87 | 72.94 | 82.97 | 87.03 | 83.97 | 77.00 | 64.16 | 57.90 | 47.13 | 64.30 | |||||||||||||
1943 | 46.00 | 52.63 | a | 54.65 | 69.93 | 73.68 | 81.90 | 86.68 | 82.06 | 77.10 | 65.84 | 54.33 | 41.10 | 65.49 | ||||||||||||
1944 | 38.55 | 45.45 | 49.61 | 58.50 | 70.48 | 80.70 | 83.94 | 84.32 | 75.93 | 66.03 | 48.23 | 42.77 | 62.04 | |||||||||||||
1945 | 42.52 | 48.93 | 50.94 | 59.33 | 73.32 | 79.80 | 84.10 | 83.77 | 78.93 | a | 65.68 | 54.40 | 39.74 | 63.45 | ||||||||||||
1946 | 37.23 | a | 48.04 | a | 55.79 | b | 69.03 | 70.43 | a | 85.67 | 84.23 | 79.39 | 74.93 | 63.10 | 47.50 | 50.42 | 63.81 | |||||||||
1947 | 37.97 | 51.07 | 55.39 | 61.93 | 72.97 | 78.90 | 86.19 | 78.39 | 77.87 | 66.87 | 45.27 | 40.77 | 62.80 | |||||||||||||
1948 | 42.77 | 42.90 | 45.10 | 65.57 | 72.74 | 79.50 | 85.42 | 82.45 | ----- | z | 66.93 | a | 48.10 | a | 46.32 | 61.62 | a | |||||||||
1949 | 33.81 | 42.41 | a | 55.06 | 64.31 | a | 70.26 | l | 81.42 | r | 82.97 | 82.90 | 79.37 | 63.38 | b | 61.67 | 44.19 | 61.01 | b | |||||||
1950 | 45.77 | 52.07 | 57.17 | a | 67.97 | 72.81 | 84.37 | 83.00 | 82.81 | 73.77 | 75.61 | 59.20 | 53.03 | b | 67.30 | |||||||||||
1951 | 46.71 | 46.61 | 54.90 | 62.27 | 72.81 | 77.67 | 81.68 | 81.10 | 80.10 | 66.35 | 50.40 | 42.23 | 63.57 | |||||||||||||
1952 | 43.58 | 45.93 | 49.29 | 61.52 | a | 73.17 | m | 82.71 | i | 82.32 | ----- | z | 78.59 | a | 73.45 | b | 52.33 | u | 40.71 | 59.42 | d | |||||
1953 | 48.52 | 46.32 | 56.43 | a | 62.53 | 67.58 | 85.40 | 87.07 | a | 84.21 | l | 81.57 | 67.16 | 56.33 | 40.82 | c | 63.61 | a | ||||||||
1954 | ----- | z | 56.81 | a | 54.00 | e | 69.75 | b | 75.96 | d | 83.32 | h | 87.17 | y | 82.74 | d | 77.41 | a | 69.33 | a | 58.82 | h | 43.50 | u | 69.43 | e |
1955 | 40.36 | i | 43.06 | j | 56.25 | c | 62.67 | c | 70.67 | j | 80.54 | d | 84.87 | h | ----- | z | ----- | z | ----- | z | ----- | z | 46.32 | f | 66.49 | i |
1956 | 47.89 | d | 36.82 | l | 58.56 | o | 55.33 | u | 70.33 | y | ----- | z | 83.00 | y | 83.08 | f | 81.82 | s | 66.27 | p | 45.59 | h | 45.75 | g | 47.89 | k |
1957 | 42.55 | b | 52.81 | b | 51.48 | f | 59.92 | d | 66.35 | h | 83.23 | 83.45 | b | 80.64 | c | 79.35 | d | 63.41 | b | 45.06 | l | 48.69 | r | 68.17 | d | |
1958 | 43.33 | a | 50.81 | b | 47.06 | 60.90 | 78.29 | 87.67 | c | 88.45 | b | 84.67 | d | 76.23 | d | 64.89 | c | 52.33 | 52.10 | 65.56 | ||||||
1959 | 46.10 | 44.67 | j | 52.35 | e | 63.40 | 74.43 | c | 85.43 | b | 88.89 | c | 80.29 | c | 78.20 | 63.68 | 52.00 | g | 42.55 | 67.53 | b | |||||
1960 | 35.32 | 37.76 | 55.06 | 64.03 | 71.03 | a | 84.41 | a | 88.48 | b | 87.13 | 80.60 | 62.72 | b | 54.40 | 36.75 | c | 63.14 | ||||||||
1961 | 40.46 | e | 47.00 | 52.35 | 62.43 | 75.59 | d | 85.67 | l | 87.39 | 81.65 | k | 77.20 | y | 68.00 | m | 46.82 | h | 38.35 | k | 60.87 | f | ||||
1962 | 37.90 | a | 46.96 | b | 46.94 | 67.43 | 73.22 | d | 82.69 | a | 84.84 | 86.16 | 75.11 | c | 64.90 | 54.84 | e | 44.25 | c | 63.77 | ||||||
1963 | 34.33 | a | 46.58 | b | 52.71 | 65.00 | d | 77.48 | 82.53 | k | 87.53 | a | 80.03 | 78.00 | a | 69.93 | b | 52.86 | a | 39.82 | i | 64.45 | b | |||
1964 | 38.39 | c | 38.10 | 48.96 | h | 58.60 | 72.21 | l | 81.83 | 85.86 | b | 80.48 | 73.83 | 69.00 | b | 46.67 | c | 41.00 | o | 63.64 | c | |||||
1965 | 41.68 | c | 42.14 | 48.71 | c | 61.60 | 68.35 | 77.50 | 82.65 | 81.00 | 71.93 | 67.21 | c | 54.07 | c | 43.30 | a | 61.68 | ||||||||
1966 | 38.37 | a | 39.19 | a | 54.57 | a | 63.32 | b | 75.97 | a | 81.46 | b | 86.03 | a | 81.96 | h | 75.46 | f | 66.41 | d | 57.45 | a | 40.35 | h | 62.53 | c |
1967 | 40.28 | f | 51.14 | 61.14 | c | ----- | z | ----- | z | 80.04 | d | 84.03 | 81.36 | c | 76.20 | 70.29 | c | ----- | z | 38.14 | b | 67.79 | d | |||
1968 | 41.79 | b | ----- | z | 53.27 | a | 57.45 | a | 70.26 | 83.40 | 85.31 | b | 79.38 | e | 78.03 | 68.15 | e | 52.25 | j | 40.67 | a | 65.77 | b | |||
1969 | 46.59 | b | 43.85 | a | 49.03 | 66.87 | 74.38 | b | 80.39 | g | 84.97 | 86.13 | 77.30 | 60.63 | d | 54.60 | t | ----- | z | 65.53 | c | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.11 | 46.51 | 53.39 | 62.67 | 72.12 | 81.72 | 84.80 | 82.62 | 77.28 | 66.62 | 53.04 | 43.94 | 63.55 | |||||||||||||
S.D. | 4.32 | 4.84 | 3.71 | 3.68 | 3.23 | 3.41 | 2.83 | 2.36 | 2.74 | 3.19 | 4.24 | 4.43 | 1.56 | |||||||||||||
SKEW | -0.19 | -0.10 | 0.03 | -0.14 | -0.34 | -0.67 | -1.15 | 0.16 | 0.12 | 0.54 | -0.22 | 0.15 | 0.58 | |||||||||||||
MAX | 48.52 | 56.81 | 62.17 | 69.93 | 78.29 | 87.67 | 89.79 | 87.75 | 83.87 | 75.61 | 61.67 | 53.03 | 67.30 | |||||||||||||
MIN | 32.77 | 34.96 | 45.10 | 52.83 | 63.13 | 71.00 | 73.68 | 78.39 | 71.93 | 60.63 | 43.33 | 34.60 | 60.92 | |||||||||||||
YRS | 45 | 44 | 48 | 50 | 43 | 42 | 50 | 44 | 46 | 49 | 41 | 41 | 19 |