YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1919 | 38.10 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 77.74 | 70.98 | a | 61.02 | e | 47.52 | a | 41.34 | c | 56.12 | f | |
1920 | 38.61 | c | 44.33 | c | 47.74 | d | 54.54 | b | 67.21 | b | 72.88 | a | 77.10 | e | 73.34 | b | 70.16 | b | 57.64 | b | 48.19 | d | 39.22 | b | 57.58 | |
1921 | 43.28 | h | 45.79 | b | 54.58 | a | 57.29 | f | 68.17 | a | 72.71 | p | 77.75 | m | 77.76 | b | 74.50 | 62.25 | a | 51.83 | a | 46.18 | c | 60.13 | d | |
1922 | 36.07 | b | 44.21 | d | 49.95 | b | 57.62 | 67.87 | a | 73.45 | a | 77.48 | a | 79.23 | a | 70.83 | 58.37 | a | 47.31 | c | 44.38 | a | 58.90 | |||
1923 | 44.30 | a | 43.78 | a | 49.07 | b | 58.38 | 67.60 | 76.78 | 80.45 | a | 79.50 | g | 73.85 | 60.65 | a | 49.27 | b | 40.58 | a | 58.61 | a | ||||
1924 | 40.48 | a | 48.14 | 47.87 | a | 60.30 | b | 67.00 | a | 81.25 | 79.19 | m | 77.87 | a | 67.92 | e | 62.28 | d | 53.77 | b | 41.18 | 58.91 | a | |||
1925 | 37.48 | 50.40 | c | 55.52 | a | 64.66 | e | 69.47 | a | 77.75 | h | 79.97 | a | 75.75 | o | 71.85 | d | 63.00 | ----- | z | 43.26 | f | 61.54 | d | ||
1926 | 39.75 | e | 50.26 | e | 51.79 | e | ----- | z | ----- | z | 75.70 | e | ----- | z | ----- | z | ----- | z | 61.08 | y | 52.97 | n | 46.72 | f | 54.37 | h |
1927 | 49.61 | h | 49.47 | l | 52.80 | k | 57.46 | r | 68.70 | h | 75.87 | k | 76.85 | g | 83.15 | u | 71.39 | c | 61.58 | g | 52.17 | r | 33.76 | j | 71.39 | k |
1928 | 44.96 | d | 42.78 | t | 52.42 | l | 59.55 | k | ----- | z | ----- | z | 75.88 | w | 75.06 | n | 70.29 | b | 60.82 | l | ----- | z | ----- | z | 57.62 | j |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.23 | r | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | 42.05 | i | 49.09 | a | 47.02 | 61.28 | 66.37 | 74.37 | 77.82 | a | 77.08 | 66.67 | 57.24 | 48.27 | 37.31 | b | 60.23 | a | ||||||||
1933 | 42.60 | a | 40.87 | b | 52.34 | 56.37 | 65.34 | 72.93 | 78.93 | b | 76.68 | 73.73 | 63.26 | 51.47 | 47.77 | 60.19 | ||||||||||
1934 | 41.56 | 45.86 | 51.10 | 61.33 | 69.94 | 78.32 | b | 80.70 | a | 79.26 | b | 72.17 | 65.87 | 52.95 | 43.81 | 61.91 | ||||||||||
1935 | 46.60 | 45.05 | 54.73 | 60.83 | 64.90 | 74.97 | 76.84 | 78.21 | 66.57 | 62.75 | a | 49.93 | 41.37 | a | 60.23 | |||||||||||
1936 | 40.32 | 42.77 | a | 53.98 | 59.82 | 68.16 | 76.40 | 78.15 | 77.45 | 70.88 | a | 57.61 | 48.00 | 44.32 | 59.82 | |||||||||||
1937 | 39.71 | 46.41 | 49.89 | 61.15 | 69.65 | 76.00 | 79.56 | 78.84 | 71.63 | 62.42 | 49.70 | 43.19 | 60.68 | |||||||||||||
1938 | 43.60 | 50.25 | ----- | z | 61.45 | 68.50 | 75.57 | 77.05 | 77.31 | 71.77 | 63.58 | 48.35 | 43.74 | 61.92 | a | |||||||||||
1939 | 42.73 | 39.69 | a | 52.83 | d | 60.22 | 68.65 | 77.85 | 76.97 | 75.29 | 73.12 | 61.47 | 47.70 | 46.08 | 60.21 | |||||||||||
1940 | 38.00 | c | 44.95 | 53.94 | 60.13 | 68.36 | b | 73.03 | 77.98 | 74.68 | a | 69.58 | 60.61 | 46.10 | 45.73 | 59.43 | ||||||||||
1941 | 41.92 | 45.55 | 45.10 | g | 57.18 | 66.19 | b | 69.98 | 75.37 | a | 76.02 | 69.13 | 62.34 | 50.23 | 42.84 | 59.71 | a | |||||||||
1942 | 39.73 | 43.16 | 49.42 | 58.28 | 65.74 | 75.45 | 76.16 | 73.71 | 67.92 | 59.39 | 52.15 | 43.76 | 58.74 | |||||||||||||
1943 | 43.05 | a | 46.23 | 50.15 | 63.62 | 66.60 | 74.92 | 76.21 | 79.02 | 69.45 | 59.27 | a | ----- | z | 39.97 | 60.77 | a | |||||||||
1944 | 39.98 | 46.41 | 50.47 | 57.28 | 67.16 | 77.02 | 77.84 | 76.84 | 69.07 | 60.90 | 49.03 | 40.60 | 59.38 | |||||||||||||
1945 | 42.48 | 47.86 | 54.15 | 57.87 | 69.82 | a | 75.25 | 76.81 | 78.45 | 72.67 | 60.29 | ----- | z | 41.21 | 61.53 | a | ||||||||||
1946 | ----- | z | ----- | z | 53.47 | 65.40 | 66.48 | 75.87 | 78.27 | 78.90 | 71.62 | 63.50 | 48.67 | 45.31 | 64.75 | b | ||||||||||
1947 | 38.73 | 40.77 | 49.10 | 57.62 | 68.27 | 77.15 | 78.00 | 76.40 | 71.78 | 65.77 | 46.32 | 42.32 | 59.35 | |||||||||||||
1948 | 36.74 | 43.67 | 46.46 | g | 64.05 | 70.05 | 78.15 | 79.08 | 79.61 | 70.38 | 60.90 | 47.73 | 46.77 | 61.56 | a | |||||||||||
1949 | 33.16 | 45.77 | 53.10 | 56.98 | 69.26 | 76.00 | 77.94 | 75.71 | 69.90 | 58.60 | 54.65 | 42.68 | 59.48 | |||||||||||||
1950 | 46.82 | 50.41 | 52.26 | 60.05 | b | 68.42 | a | 77.65 | 76.32 | 75.53 | 70.68 | b | 65.81 | 51.52 | 44.84 | 61.69 | ||||||||||
1951 | 40.68 | 46.21 | 50.73 | 59.37 | 69.06 | 77.40 | 81.53 | 79.21 | 72.10 | 64.32 | 47.93 | 44.11 | 61.05 | |||||||||||||
1952 | 47.29 | 45.83 | 48.91 | b | 59.03 | 67.98 | 78.87 | 76.69 | 80.55 | 69.82 | 60.08 | 44.40 | d | 41.34 | 60.07 | |||||||||||
1953 | 48.40 | 42.52 | 55.65 | 60.24 | a | 66.29 | 78.55 | 77.73 | 75.48 | 70.55 | 60.23 | 49.50 | 38.37 | a | 60.29 | |||||||||||
1954 | 44.48 | 49.93 | 50.90 | 64.08 | 64.19 | 75.35 | 78.21 | 76.42 | 72.80 | 62.27 | 50.60 | a | 43.87 | 61.09 | ||||||||||||
1955 | 40.55 | 41.80 | 53.18 | 61.32 | 67.95 | 74.77 | 75.75 | a | 75.42 | 71.07 | 59.66 | 47.73 | 44.39 | 59.47 | ||||||||||||
1956 | 42.11 | 39.22 | 52.47 | 57.67 | 69.94 | 77.33 | 76.55 | 74.06 | 69.88 | 59.82 | 46.32 | 44.50 | 59.16 | |||||||||||||
1957 | 42.82 | 52.14 | 51.47 | a | 57.50 | 65.94 | 75.00 | 79.37 | 75.84 | 67.67 | 57.97 | 43.50 | 44.30 | a | 59.46 | |||||||||||
1958 | 37.66 | 43.66 | 44.69 | 56.87 | 68.85 | 77.62 | 79.32 | 76.19 | 69.48 | 57.52 | 49.68 | 41.55 | 58.59 | |||||||||||||
1959 | 40.65 | 43.52 | 49.82 | 57.87 | 69.02 | 75.27 | 75.63 | 76.31 | 72.13 | 58.18 | 44.92 | 42.74 | 58.84 | |||||||||||||
1960 | 38.61 | 39.07 | 50.02 | a | 60.43 | 67.31 | 77.12 | 74.97 | 74.95 | 70.20 | 60.56 | 49.58 | 35.63 | 58.20 | ||||||||||||
1961 | 37.29 | 43.38 | 49.94 | 58.50 | 68.56 | 74.30 | 74.10 | 73.97 | 69.00 | 60.27 | 44.78 | 42.50 | 58.05 | |||||||||||||
1962 | 36.31 | 48.84 | 47.32 | 60.07 | 70.94 | 73.60 | 77.65 | 77.29 | 70.13 | 60.89 | 50.52 | 42.60 | 59.68 | |||||||||||||
1963 | 36.06 | 45.27 | 52.47 | 62.60 | 69.65 | 74.67 | 79.00 | 76.45 | 71.32 | 64.05 | 50.82 | 38.05 | 60.03 | |||||||||||||
1964 | 38.89 | 36.86 | 49.10 | 59.88 | 69.89 | 75.05 | 79.47 | 79.35 | 70.68 | 61.03 | a | 50.25 | 43.63 | 59.51 | ||||||||||||
1965 | 45.52 | a | 41.57 | 44.66 | 62.17 | 67.90 | 74.85 | 78.26 | 74.69 | 70.18 | 59.82 | 53.90 | 46.06 | 59.97 | ||||||||||||
1966 | 35.48 | a | 39.09 | 52.90 | 58.78 | 67.44 | 74.63 | 80.37 | 73.94 | 69.87 | 58.19 | 53.23 | 39.56 | 58.62 | ||||||||||||
1967 | 42.06 | 44.20 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.13 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 40.77 | 44.88 | 50.99 | 59.82 | 67.95 | 75.78 | 77.84 | 76.78 | 70.62 | 60.99 | 49.19 | 42.68 | 59.66 | |||||||||||||
S.D. | 3.51 | 3.59 | 2.72 | 2.47 | 1.56 | 2.04 | 1.68 | 1.88 | 1.77 | 2.34 | 2.70 | 2.69 | 1.02 | |||||||||||||
SKEW | 0.20 | -0.05 | -0.38 | 0.36 | -0.37 | -0.06 | 0.05 | 0.03 | -0.16 | 0.35 | 0.01 | -0.51 | 0.24 | |||||||||||||
MAX | 48.40 | 52.14 | 55.65 | 65.40 | 70.94 | 81.25 | 81.53 | 80.55 | 74.50 | 65.87 | 54.65 | 47.77 | 61.91 | |||||||||||||
MIN | 33.16 | 36.86 | 44.66 | 54.54 | 64.19 | 69.98 | 74.10 | 73.34 | 66.57 | 57.24 | 43.50 | 35.63 | 57.58 | |||||||||||||
YRS | 42 | 42 | 39 | 40 | 41 | 40 | 39 | 40 | 44 | 42 | 39 | 41 | 30 |