YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
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 | 58.93 | q | 63.17 | 69.94 | 84.10 | 84.03 | 82.77 | a | 75.53 | 68.23 | 54.30 | 44.45 | 69.61 | c | ||||||||
1916 | 42.48 | 51.69 | 61.65 | 65.50 | 75.10 | 87.13 | 84.52 | 81.90 | 78.53 | 65.90 | 54.27 | 42.04 | c | 65.89 | ||||||||||||
1917 | 41.18 | t | 57.06 | l | 63.07 | p | 65.93 | a | 66.77 | 85.73 | 88.55 | 85.62 | g | 77.35 | d | 70.26 | 58.63 | 51.74 | 70.62 | d | ||||||
1918 | 40.03 | 50.52 | g | 58.32 | 63.53 | 75.27 | e | 84.03 | 84.21 | b | 81.89 | d | 74.60 | y | 64.29 | 44.60 | 34.87 | 63.10 | b | |||||||
1919 | 35.03 | 38.25 | 49.23 | 61.67 | 71.48 | 79.03 | 80.30 | a | 84.35 | 73.70 | 61.61 | 50.97 | 43.84 | 60.79 | ||||||||||||
1920 | 43.26 | 47.55 | 52.07 | a | 57.30 | 71.84 | 78.90 | 86.10 | 80.06 | 76.70 | 62.91 | i | 51.87 | 43.39 | 62.64 | a | ||||||||||
1921 | 46.07 | a | 50.85 | b | 63.43 | c | 66.17 | 75.26 | 80.60 | 84.45 | 88.83 | g | 82.20 | y | 74.12 | w | 63.00 | n | 48.56 | o | 66.69 | e | ||||
1922 | 43.27 | a | 52.18 | q | 53.19 | 60.07 | a | 75.97 | a | 87.67 | 91.84 | 83.16 | 69.17 | a | 52.24 | b | 37.53 | 41.82 | t | 65.41 | b | |||||
1923 | 50.68 | i | 49.36 | 51.68 | 64.23 | 74.90 | 84.83 | 87.26 | 76.74 | 74.67 | 68.00 | y | 51.20 | e | 40.57 | h | 68.32 | c | ||||||||
1924 | 41.81 | d | 50.96 | a | 50.43 | j | 61.48 | a | 74.90 | 90.73 | 86.50 | g | 87.94 | 84.11 | k | 70.07 | b | 58.76 | e | 41.60 | f | 67.08 | d | |||
1925 | 41.29 | g | 53.00 | d | 64.68 | c | 71.15 | c | 80.83 | b | 88.19 | d | 91.52 | 85.07 | d | 80.00 | d | 68.64 | f | 58.53 | k | 48.72 | m | 76.80 | d | |
1926 | 40.00 | a | 57.32 | 56.80 | a | 65.82 | h | 74.59 | b | 86.52 | c | 89.16 | 89.22 | m | 77.55 | j | 71.32 | 58.59 | a | 41.42 | g | 66.79 | d | |||
1927 | 49.00 | t | 52.00 | 55.81 | 67.44 | c | 79.68 | i | 82.00 | k | 88.96 | f | 84.32 | l | 76.07 | 67.14 | j | 56.93 | p | 41.52 | h | 62.83 | h | |||
1928 | 48.32 | c | 46.12 | d | 57.44 | f | 56.20 | t | 67.50 | w | ----- | z | 86.33 | v | ----- | z | 78.33 | o | 69.10 | 50.85 | c | 42.43 | h | 53.60 | h | |
1929 | 44.88 | o | 39.75 | p | 54.50 | a | 55.42 | r | ----- | z | ----- | z | 89.83 | y | 84.00 | v | 79.35 | m | 68.64 | f | ----- | z | ----- | z | 54.50 | k |
1930 | ----- | z | 55.05 | f | 54.86 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 68.21 | c | ----- | z | ----- | z | 61.54 | j |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | 52.77 | g | 50.95 | k | 66.22 | c | 73.06 | n | 86.39 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 32.75 | o | 66.22 | k |
1933 | 40.67 | p | ----- | z | ----- | z | 60.53 | o | 72.45 | 83.52 | a | 88.76 | f | 85.04 | d | 82.94 | n | 69.69 | e | 55.89 | c | 51.61 | h | 73.32 | g | |
1934 | 46.57 | c | 53.93 | 63.43 | a | 68.30 | c | 80.10 | b | 86.96 | e | 92.10 | b | 87.30 | d | 76.59 | c | 70.77 | 54.54 | d | 43.15 | r | 70.96 | a | ||
1935 | 47.71 | c | 46.78 | a | 56.00 | e | 63.56 | c | 66.09 | h | 85.42 | r | 88.69 | e | 82.50 | c | 76.93 | b | 66.44 | f | 52.76 | m | ----- | z | 66.02 | e |
1936 | 47.25 | g | 42.27 | c | 58.73 | i | 67.46 | f | 77.37 | a | 87.54 | f | 87.63 | d | 86.36 | f | 75.64 | b | 65.03 | a | 61.08 | r | 44.14 | x | 69.59 | g |
1937 | 38.08 | e | 47.92 | b | 53.24 | b | 64.61 | l | 76.42 | g | 81.88 | f | 87.96 | c | 88.83 | s | 81.17 | a | 67.63 | a | 58.58 | f | ----- | z | 62.67 | f |
1938 | ----- | z | 49.92 | b | 57.14 | c | 67.61 | b | 75.67 | d | 85.77 | h | 86.29 | g | 88.86 | c | 76.48 | a | 69.35 | 50.83 | g | 55.43 | x | 69.29 | e | |
1939 | 40.64 | q | 38.04 | d | 58.73 | p | 65.76 | e | 77.96 | g | 87.96 | e | 88.14 | i | 85.16 | f | 78.52 | e | 65.87 | a | 53.07 | c | 44.92 | s | 64.87 | f |
1940 | 45.25 | s | 45.90 | 57.05 | i | 65.62 | d | 76.77 | 84.43 | 89.93 | c | 84.82 | c | 76.96 | f | 68.07 | p | 55.57 | p | 47.92 | g | 74.58 | f | |||
1941 | 41.71 | j | 51.27 | f | 52.26 | d | 59.30 | 72.68 | 80.38 | a | 85.30 | a | 85.39 | 78.00 | h | 64.05 | j | 56.37 | 47.16 | 67.35 | d | |||||
1942 | 47.06 | 47.12 | c | 55.10 | a | 68.21 | k | 79.12 | f | 86.68 | e | 89.54 | c | 85.37 | d | 79.50 | 67.90 | b | 59.10 | 49.05 | i | 68.60 | c | |||
1943 | 47.21 | b | 53.36 | c | 57.12 | e | 73.39 | b | 78.56 | f | 84.82 | h | 89.61 | c | 87.82 | n | 80.38 | d | 68.25 | k | 56.38 | i | 41.83 | b | 63.27 | e |
1944 | 39.45 | 47.48 | 53.19 | 60.13 | 71.81 | 83.20 | 85.71 | 84.32 | 77.27 | 68.13 | a | 50.03 | 43.45 | 63.68 | ||||||||||||
1945 | ----- | z | 52.07 | 54.42 | 66.52 | c | 78.97 | ----- | z | ----- | z | 86.74 | 81.24 | a | 67.58 | 56.17 | 41.52 | 65.02 | c | |||||||
1946 | 40.74 | 50.12 | b | 57.26 | 72.07 | 74.16 | 90.33 | 88.55 | 83.92 | g | 81.81 | d | 65.92 | f | 49.21 | a | 48.23 | e | 65.25 | b | ||||||
1947 | 43.21 | c | 52.93 | 58.72 | b | 66.48 | e | ----- | z | ----- | z | 92.42 | 84.92 | e | ----- | z | 71.35 | e | 50.07 | a | 43.52 | 62.62 | c | |||
1948 | 41.93 | b | 46.32 | a | 49.94 | 69.48 | e | 82.05 | k | 85.61 | b | 93.07 | d | 89.25 | c | 82.59 | a | 67.77 | 50.71 | b | 46.47 | a | 65.74 | a | ||
1949 | 35.00 | a | 45.64 | 57.97 | b | 66.40 | 76.04 | c | 85.15 | c | 87.03 | b | 86.19 | e | 82.41 | c | 67.67 | a | 62.78 | c | 44.81 | e | 66.42 | |||
1950 | 45.05 | i | 53.80 | c | 59.75 | c | 72.24 | a | 78.11 | c | 88.61 | b | 85.17 | a | 86.23 | a | 76.93 | c | 76.32 | c | 60.08 | e | 52.67 | d | 71.81 | a |
1951 | 46.21 | c | 49.11 | 57.85 | d | 63.73 | o | 76.35 | 85.40 | 91.48 | 83.23 | 81.97 | 68.23 | 51.77 | 42.77 | 66.76 | a | |||||||||
1952 | 46.55 | 45.79 | 50.45 | 64.20 | 74.39 | 86.53 | 86.90 | 88.61 | 80.67 | 72.32 | 48.23 | 41.65 | 65.52 | |||||||||||||
1953 | 49.71 | 47.00 | 57.74 | 64.73 | 70.77 | 87.83 | 88.84 | 86.26 | 83.83 | 68.13 | a | 54.87 | 40.32 | 66.67 | ||||||||||||
1954 | 46.42 | 56.07 | 54.48 | 71.60 | 75.42 | 86.53 | 88.63 | a | 83.97 | 80.43 | 69.29 | 58.10 | 45.10 | 68.00 | ||||||||||||
1955 | 40.23 | 44.07 | 56.06 | 64.90 | 73.71 | 83.83 | 83.97 | 82.17 | a | 81.43 | 69.29 | 55.20 | 47.35 | 65.18 | ||||||||||||
1956 | 48.16 | 43.14 | 59.16 | 65.03 | 79.87 | 89.40 | 87.16 | 84.39 | 85.10 | a | 69.65 | 50.23 | 45.87 | 67.26 | ||||||||||||
1957 | 45.06 | 54.93 | 53.58 | 62.37 | 69.26 | 85.37 | 87.58 | 83.55 | 80.43 | 62.13 | 44.73 | 46.61 | 64.63 | |||||||||||||
1958 | 41.94 | 49.82 | 47.42 | 59.93 | 78.13 | 88.20 | 90.42 | 88.55 | 75.93 | 64.52 | 53.93 | 51.23 | 65.83 | |||||||||||||
1959 | 45.55 | 47.29 | 56.13 | 65.97 | 76.10 | 87.70 | 89.06 | 84.13 | 80.67 | 66.00 | 52.47 | 45.00 | 66.34 | |||||||||||||
1960 | 39.90 | 41.17 | 57.53 | a | 68.23 | 74.52 | 86.70 | 87.26 | 88.71 | 81.87 | 64.39 | 55.43 | 39.74 | 65.45 | ||||||||||||
1961 | 43.94 | 49.50 | 57.20 | a | 64.60 | 77.39 | 87.63 | 88.42 | 83.32 | 76.13 | 68.00 | 48.10 | 42.77 | 65.58 | ||||||||||||
1962 | 41.23 | 51.79 | 51.45 | 70.34 | a | 78.48 | 88.42 | k | 85.65 | 89.00 | 78.40 | 67.55 | 56.30 | 47.55 | 65.25 | a | ||||||||||
1963 | 42.43 | a | 49.64 | 57.06 | 68.03 | 80.97 | a | 86.27 | 91.81 | 83.47 | a | 79.50 | 72.68 | 54.77 | 45.61 | 67.69 | ||||||||||
1964 | 41.32 | 39.17 | 52.45 | 63.13 | 76.23 | 85.67 | 88.29 | 85.52 | 77.45 | a | 71.42 | 54.13 | 44.23 | 64.92 | ||||||||||||
1965 | 47.48 | 46.89 | 52.93 | c | 65.80 | 74.90 | 83.83 | 88.77 | 84.29 | 76.47 | 71.45 | 57.23 | 45.00 | 66.25 | ||||||||||||
1966 | 40.23 | 42.50 | 59.94 | 68.41 | a | 80.03 | 85.17 | 89.29 | 84.77 | 78.83 | 69.03 | a | 58.33 | 46.26 | 66.90 | |||||||||||
1967 | 46.77 | 52.57 | 63.35 | 68.00 | a | 75.19 | 81.97 | 89.35 | 81.61 | 77.26 | c | 70.55 | 57.00 | 39.35 | 66.92 | |||||||||||
1968 | 45.16 | 50.82 | a | 54.61 | 61.80 | 73.45 | 87.20 | 85.81 | 81.32 | 78.77 | 71.19 | 52.59 | a | 42.43 | a | 65.43 | ||||||||||
1969 | 50.26 | 48.82 | 52.61 | 68.67 | 75.06 | 82.80 | 88.68 | 88.83 | a | 80.30 | 66.00 | 53.17 | 47.68 | 66.91 | ||||||||||||
1970 | 44.06 | 51.43 | 51.55 | 63.73 | 77.13 | 83.17 | 89.13 | a | 87.97 | 78.43 | 60.94 | 57.86 | a | 49.39 | 66.23 | |||||||||||
1971 | 45.09 | h | 50.25 | d | 60.18 | i | 66.10 | 76.23 | 87.83 | 89.65 | 82.45 | 79.90 | 66.71 | 53.67 | 43.47 | a | 69.62 | b | ||||||||
1972 | 48.55 | 54.52 | 65.55 | 69.17 | 76.50 | a | 84.80 | 89.00 | 82.52 | 76.10 | 65.87 | 47.24 | a | 44.93 | b | 67.06 | ||||||||||
1973 | 42.16 | 45.70 | a | 52.71 | 58.13 | 71.61 | 82.70 | 85.19 | 84.77 | a | 78.17 | a | 70.29 | 58.56 | c | 47.65 | 64.80 | |||||||||
1974 | 44.81 | e | 49.57 | 63.57 | a | 65.89 | b | 80.26 | 87.67 | 85.13 | 81.79 | b | 76.92 | d | 67.71 | c | 54.37 | c | 41.50 | a | 66.60 | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 43.70 | 48.65 | 56.06 | 65.59 | 75.38 | 85.53 | 87.96 | 84.70 | 78.60 | 67.86 | 53.57 | 44.70 | 65.88 | |||||||||||||
S.D. | 3.68 | 4.44 | 4.21 | 3.68 | 3.12 | 2.71 | 2.62 | 2.69 | 2.89 | 3.77 | 4.65 | 3.53 | 1.47 | |||||||||||||
SKEW | -0.37 | -0.51 | 0.41 | -0.10 | -0.36 | -0.56 | -0.34 | -0.23 | -0.40 | -1.50 | -0.92 | -0.05 | -1.66 | |||||||||||||
MAX | 50.26 | 57.32 | 65.55 | 73.39 | 80.97 | 90.73 | 93.07 | 89.25 | 85.10 | 76.32 | 62.78 | 52.67 | 68.00 | |||||||||||||
MIN | 35.00 | 38.04 | 47.42 | 57.30 | 66.77 | 78.90 | 80.30 | 76.74 | 69.17 | 52.24 | 37.53 | 34.87 | 60.79 | |||||||||||||
YRS | 42 | 50 | 49 | 50 | 47 | 46 | 49 | 46 | 47 | 47 | 47 | 39 | 25 |