YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1909 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1910 | ----- | z | ----- | z | ----- | z | ----- | z | 69.50 | j | 74.10 | 80.85 | 72.84 | o | 70.52 | 64.67 | v | ----- | z | ----- | z | 75.16 | i | |||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | 57.39 | 74.33 | a | 75.02 | 76.39 | 72.32 | 55.65 | e | 44.26 | e | 32.30 | c | 60.96 | d | ||||
1912 | 40.71 | 37.92 | c | 43.40 | a | ----- | z | 66.60 | b | 70.28 | 77.06 | 73.35 | 64.12 | a | 51.44 | 44.05 | 33.02 | 54.72 | a | |||||||
1913 | 34.04 | c | 36.38 | b | 44.02 | b | 53.33 | a | 64.02 | 68.50 | 75.90 | 75.66 | 67.34 | b | 52.66 | c | 47.12 | 29.79 | 54.06 | |||||||
1914 | 41.87 | 40.16 | 46.17 | d | 54.96 | c | 61.31 | 71.73 | 71.83 | b | 73.03 | b | 69.02 | 56.09 | d | 46.89 | b | 32.48 | e | 55.46 | ||||||
1915 | 35.10 | f | 39.82 | 39.74 | 52.77 | 61.60 | 73.28 | 76.74 | d | 73.07 | c | 67.75 | 59.40 | 49.22 | 39.71 | b | 57.55 | a | ||||||||
1916 | 37.81 | b | 45.17 | 53.19 | b | 53.10 | d | 64.23 | 78.30 | 77.94 | 75.10 | 69.52 | 58.23 | 45.71 | b | 33.03 | 57.61 | |||||||||
1917 | 35.30 | d | 41.04 | c | 44.91 | b | 51.86 | b | 55.66 | 68.83 | 78.03 | a | 74.74 | 67.52 | a | 57.19 | 48.88 | 45.15 | d | 55.76 | ||||||
1918 | 34.04 | d | 43.24 | a | 51.06 | 52.66 | b | 63.40 | 75.23 | 77.31 | 76.11 | 67.59 | b | 60.38 | b | 43.21 | b | 34.88 | b | 56.59 | ||||||
1919 | 34.92 | 38.38 | 43.73 | 54.65 | 62.55 | 68.47 | 74.79 | b | 68.60 | 62.68 | 53.18 | 43.66 | b | 40.68 | 53.86 | |||||||||||
1920 | 38.93 | b | 42.15 | b | 43.39 | 46.87 | 59.21 | 62.15 | 70.53 | 67.23 | 63.17 | 52.93 | a | 45.80 | b | 37.92 | 52.52 | |||||||||
1921 | 39.69 | b | 41.75 | b | 47.60 | b | 48.35 | 57.63 | 63.09 | a | 68.74 | 68.98 | 66.38 | 57.42 | a | 48.95 | 44.52 | b | 54.43 | |||||||
1922 | 35.74 | d | 39.58 | b | 42.97 | 49.62 | 59.45 | a | 67.72 | a | 73.76 | 78.44 | 66.83 | 54.77 | 43.86 | w | ----- | z | 56.89 | b | ||||||
1923 | 42.97 | o | 37.96 | a | 41.13 | 52.48 | 62.62 | a | 71.18 | 75.94 | 73.16 | 65.75 | 51.61 | 43.76 | a | 34.50 | a | 55.46 | a | |||||||
1924 | 35.31 | 41.50 | 40.08 | 52.58 | 61.05 | 75.82 | 74.98 | 75.11 | 66.72 | 56.98 | 48.12 | 34.23 | 55.21 | |||||||||||||
1925 | 35.31 | 44.21 | 49.15 | 57.07 | 66.68 | 73.32 | 76.74 | 71.82 | 66.05 | 54.15 | 45.57 | a | 35.66 | 56.31 | ||||||||||||
1926 | 33.23 | 44.14 | 43.50 | 51.62 | 60.63 | 71.48 | 72.94 | 74.58 | 68.03 | 59.03 | 48.00 | 38.45 | a | 55.47 | ||||||||||||
1927 | 40.90 | 43.57 | 45.29 | 55.08 | 66.06 | 68.88 | 75.44 | 70.55 | 66.12 | 56.05 | 50.55 | 32.69 | 55.93 | |||||||||||||
1928 | 40.62 | a | 36.34 | 46.89 | 50.92 | 61.74 | 71.12 | 75.22 | a | 70.79 | 65.15 | 58.74 | 44.65 | 38.20 | u | 56.56 | a | |||||||||
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.03 | l | ----- | z |
1930 | 32.59 | b | 46.80 | 42.35 | 58.52 | a | 60.97 | 72.77 | 74.32 | 74.77 | a | 66.75 | 55.55 | a | 42.20 | 34.77 | 55.20 | |||||||||
1931 | 36.27 | 41.02 | 42.42 | 52.70 | 60.63 | 73.00 | 75.19 | 71.18 | 70.00 | 58.18 | 43.35 | 36.74 | 55.06 | |||||||||||||
1932 | 31.82 | 44.48 | 42.40 | 55.05 | 61.29 | 69.97 | 73.94 | 73.26 | 64.17 | 53.50 | d | 45.68 | e | 30.30 | d | 53.82 | ||||||||||
1933 | 35.94 | e | 35.66 | f | 49.67 | d | 51.08 | e | 60.83 | d | 71.44 | d | 75.98 | d | 71.54 | d | 69.84 | e | 60.13 | e | 50.06 | d | 45.91 | d | 58.40 | a |
1934 | 35.24 | 40.70 | 48.02 | 54.80 | 66.85 | 75.87 | 80.79 | 77.56 | 66.37 | 61.81 | 46.53 | 39.53 | 57.84 | |||||||||||||
1935 | 43.58 | 40.96 | a | 47.08 | g | 51.32 | b | 57.37 | a | 74.48 | a | 75.79 | 74.79 | 64.58 | e | 56.59 | d | 44.90 | d | 36.65 | e | 56.46 | a | |||
1936 | 34.09 | d | 40.26 | d | 47.96 | e | 55.83 | d | 64.35 | e | 73.94 | d | 75.79 | c | 75.35 | e | 63.93 | b | 51.18 | c | 39.23 | o | 37.44 | d | 56.37 | a |
1937 | 27.17 | e | 33.43 | f | 43.31 | d | 56.02 | c | 64.03 | a | 70.12 | a | 74.90 | b | 76.47 | b | 65.42 | d | 59.31 | e | ----- | z | ----- | z | 59.64 | c |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | 64.94 | n | 72.08 | d | 73.92 | e | 74.57 | d | 66.87 | d | 57.44 | e | 44.39 | g | 40.13 | d | 64.17 | f |
1939 | 37.29 | e | 31.67 | d | 46.58 | g | 53.30 | e | 61.43 | d | 69.08 | e | 72.02 | g | 70.15 | d | 66.81 | d | 52.25 | m | 39.81 | q | 39.06 | e | 53.60 | d |
1940 | 33.61 | i | 35.52 | h | 44.19 | g | 51.50 | d | 63.83 | e | 70.10 | e | 75.44 | d | 72.19 | d | 69.92 | j | 58.46 | d | 39.94 | e | 41.52 | g | 61.64 | e |
1941 | 36.37 | e | 41.04 | e | 41.56 | e | 49.60 | d | 61.13 | e | 68.36 | h | 73.88 | a | 72.93 | a | 65.58 | 53.67 | a | ----- | z | 41.00 | a | 53.68 | b | |
1942 | 38.87 | 35.29 | 43.43 | a | 52.13 | 59.73 | 70.33 | 75.90 | e | 73.33 | a | ----- | z | 52.96 | h | 46.93 | 40.39 | 53.63 | b | |||||||
1943 | 36.48 | 42.93 | 44.78 | b | 58.83 | a | 62.95 | a | 72.22 | 75.26 | 77.30 | i | 66.80 | 55.87 | 43.33 | 35.58 | a | 54.09 | a | |||||||
1944 | 34.85 | 40.28 | 45.48 | 52.81 | c | 61.77 | 72.05 | a | 75.24 | 75.94 | 67.77 | 59.45 | 45.15 | 35.13 | 55.49 | |||||||||||
1945 | 37.74 | 44.27 | b | 46.41 | b | 51.20 | b | 64.48 | 70.84 | b | 74.85 | a | 74.19 | b | 67.14 | a | 56.47 | a | 44.60 | 36.53 | 55.73 | |||||
1946 | 34.82 | 40.87 | a | 47.24 | 60.28 | a | 62.77 | 74.60 | 75.73 | 74.03 | 69.48 | b | 56.82 | 42.70 | 42.55 | b | 56.82 | |||||||||
1947 | 34.22 | f | 40.39 | a | 44.46 | e | 52.48 | i | 64.16 | c | 72.52 | a | 76.87 | 74.32 | 69.87 | 61.82 | a | 39.86 | e | 36.00 | 58.03 | b | ||||
1948 | 33.03 | b | 37.62 | 40.27 | a | 59.33 | 64.26 | 72.50 | 75.61 | 74.87 | a | 68.12 | a | 55.87 | 44.16 | b | 42.75 | e | 55.70 | |||||||
1949 | 30.15 | g | 42.77 | o | ----- | z | 53.62 | a | 64.67 | a | 70.93 | b | 77.46 | c | 72.12 | c | 67.43 | b | 54.72 | b | 51.70 | e | 38.80 | f | 64.08 | d |
1950 | 40.79 | c | 44.67 | h | 47.25 | c | 55.24 | c | 61.70 | d | 71.14 | h | 73.48 | f | 72.41 | h | 67.30 | h | 70.21 | g | ----- | z | ----- | z | 51.25 | h |
1951 | ----- | z | 43.87 | m | 45.73 | a | 53.43 | h | 64.98 | b | 71.93 | b | 78.21 | b | 74.57 | c | 67.60 | a | 58.23 | a | 45.74 | e | 41.19 | b | 60.91 | c |
1952 | 42.81 | b | 41.50 | d | 42.62 | c | 54.25 | b | 65.61 | c | 76.44 | d | 74.85 | a | 76.81 | 66.74 | i | ----- | z | ----- | z | ----- | z | 59.36 | d | |
1953 | 48.50 | q | ----- | z | ----- | z | 55.85 | q | 59.08 | 75.77 | 76.95 | 74.16 | 66.70 | 56.37 | 47.50 | a | 35.18 | a | 61.46 | d | ||||||
1954 | 39.48 | a | 47.00 | 43.11 | 59.45 | a | 62.25 | a | 71.30 | ----- | z | 74.43 | x | 72.25 | 58.87 | ----- | z | 40.53 | 54.92 | c | ||||||
1955 | 35.37 | 37.35 | a | 48.15 | 54.98 | a | 63.71 | 71.65 | 78.05 | u | 74.60 | 70.03 | a | 59.68 | 44.06 | m | 40.02 | i | 57.28 | c | ||||||
1956 | 41.79 | g | ----- | z | ----- | z | ----- | z | 66.71 | j | 77.56 | l | 76.35 | 72.57 | a | 69.62 | f | 60.65 | e | ----- | z | ----- | z | 69.86 | i | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 36.66 | 40.79 | 44.94 | 53.68 | 62.25 | 71.71 | 75.55 | 73.64 | 67.22 | 56.75 | 45.67 | 37.40 | 55.44 | |||||||||||||
S.D. | 3.45 | 3.28 | 3.10 | 3.07 | 2.65 | 3.13 | 2.21 | 2.40 | 2.23 | 2.80 | 2.78 | 4.10 | 1.29 | |||||||||||||
SKEW | -0.11 | -0.40 | 0.54 | 0.27 | -0.36 | -0.78 | -0.38 | -0.58 | 0.24 | -0.22 | 0.08 | 0.22 | -0.20 | |||||||||||||
MAX | 43.58 | 47.00 | 53.19 | 60.28 | 66.85 | 78.30 | 80.85 | 78.44 | 72.32 | 61.82 | 51.70 | 45.91 | 57.84 | |||||||||||||
MIN | 27.17 | 31.67 | 39.74 | 46.87 | 55.66 | 62.15 | 68.74 | 67.23 | 62.68 | 51.18 | 39.86 | 29.79 | 52.52 | |||||||||||||
YRS | 35 | 35 | 37 | 38 | 43 | 43 | 42 | 42 | 41 | 41 | 34 | 36 | 20 |