YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1907 | 45.55 | 54.39 | 60.10 | a | 57.43 | 62.87 | 77.10 | 85.52 | 83.55 | 78.33 | 69.10 | 52.59 | a | 42.74 | 64.11 | |||||||||||
1908 | 47.07 | b | 44.79 | 58.23 | a | 65.50 | b | 68.84 | 79.34 | a | 82.77 | 83.26 | 81.27 | 62.77 | 49.07 | 34.26 | 63.10 | |||||||||
1909 | 37.48 | 43.30 | a | 47.19 | 55.97 | 66.58 | 75.80 | 83.94 | 85.06 | 75.17 | 66.97 | 51.20 | ----- | z | 62.61 | a | ||||||||||
1910 | 42.35 | 45.25 | 66.94 | 66.83 | 67.23 | a | 84.07 | ----- | z | ----- | z | ----- | z | 70.39 | 55.97 | a | 46.52 | 60.62 | c | |||||||
1911 | 50.87 | a | 40.25 | 58.39 | 62.07 | 72.65 | 85.63 | 84.29 | 85.39 | 83.13 | 61.48 | 47.93 | 35.48 | 63.96 | ||||||||||||
1912 | 37.39 | 38.83 | 35.90 | 58.77 | 69.81 | 74.77 | 82.52 | 80.81 | 68.87 | 63.45 | 56.07 | a | 40.47 | a | 58.97 | |||||||||||
1913 | 37.97 | 31.96 | 48.10 | 62.63 | 73.42 | 79.23 | 86.32 | 89.16 | 72.53 | 61.19 | 55.90 | 31.81 | 60.85 | |||||||||||||
1914 | 41.77 | 40.81 | a | 51.65 | 62.52 | a | 69.81 | 81.60 | 84.52 | 87.23 | 83.00 | 68.29 | 59.17 | 31.97 | 63.53 | |||||||||||
1915 | 37.40 | a | 45.64 | 40.90 | 61.53 | 65.39 | 72.13 | 80.35 | 80.48 | 78.40 | 72.10 | 62.07 | 55.90 | 62.69 | ||||||||||||
1916 | 42.29 | 51.17 | 67.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 79.23 | ----- | z | ----- | z | 36.26 | 55.19 | g | |||||
1917 | 38.74 | 46.07 | 45.90 | ----- | z | 61.71 | 80.40 | 90.23 | 83.94 | 81.80 | 64.42 | ----- | z | ----- | z | 65.91 | c | |||||||||
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | 52.03 | b | 59.55 | a | 68.60 | a | 70.46 | d | 85.60 | f | 83.27 | a | 78.09 | g | 61.96 | d | 48.75 | f | 39.65 | e | 62.22 | e |
1929 | 37.52 | d | 32.54 | b | 50.38 | b | 63.37 | c | 70.59 | d | 84.03 | 89.10 | b | 88.11 | c | 75.23 | d | 67.27 | e | 39.52 | c | 46.18 | c | 61.99 | ||
1930 | 27.57 | a | 57.72 | c | 52.31 | e | 70.14 | b | 69.96 | e | 84.46 | b | 88.81 | 84.43 | c | 79.19 | d | 63.96 | d | 51.53 | 34.16 | 63.69 | ||||
1931 | 39.36 | f | 43.59 | a | 42.83 | b | 60.04 | g | 67.53 | a | 84.80 | 91.03 | 84.16 | l | ----- | z | 72.85 | e | 58.25 | j | 43.13 | h | 67.11 | f | ||
1932 | ----- | z | 49.19 | m | 43.87 | 63.80 | 72.90 | 78.33 | 90.71 | 87.83 | b | 75.87 | 64.14 | b | 62.73 | o | 31.20 | a | 67.63 | c | ||||||
1933 | 45.45 | 41.96 | 53.40 | a | 57.97 | 68.16 | 87.43 | 89.26 | 83.03 | 81.70 | 72.96 | h | 59.83 | 52.81 | 65.55 | a | ||||||||||
1934 | 51.45 | 48.88 | c | ----- | z | ----- | z | ----- | z | 87.82 | h | 94.39 | 88.00 | 75.97 | 71.81 | 55.47 | 44.87 | 66.35 | d | |||||||
1935 | 51.06 | 48.67 | a | 54.80 | a | 56.93 | 57.77 | 78.47 | 89.58 | 87.26 | 76.93 | 64.29 | 49.83 | a | 43.58 | 63.26 | ||||||||||
1936 | 39.87 | 36.62 | 54.03 | 63.07 | 71.48 | 84.73 | 91.52 | 87.77 | 76.66 | a | 59.68 | 53.70 | 45.55 | 63.72 | ||||||||||||
1937 | 30.58 | 44.25 | 45.71 | 61.17 | 72.52 | 78.17 | 90.68 | 90.48 | 78.10 | 66.23 | 50.34 | a | 40.71 | 62.41 | ||||||||||||
1938 | 41.32 | 47.64 | 54.19 | 61.70 | 67.39 | 81.33 | 87.97 | 89.32 | 76.80 | 69.26 | 47.40 | 41.45 | 63.81 | |||||||||||||
1939 | 40.42 | 35.57 | 49.29 | 59.80 | 75.31 | b | 83.07 | 90.45 | 86.97 | a | 81.80 | 67.77 | 53.90 | 50.45 | 64.57 | |||||||||||
1940 | 31.77 | a | 45.28 | 51.37 | a | 58.53 | 70.71 | 82.19 | d | 89.77 | a | 84.40 | a | 76.80 | 70.16 | 48.41 | a | 44.06 | 62.79 | |||||||
1941 | 42.45 | 42.89 | 46.00 | 57.43 | 71.58 | 75.93 | 83.81 | 86.26 | 77.03 | 62.23 | 56.27 | 44.68 | 62.21 | |||||||||||||
1942 | 37.58 | 34.18 | 47.13 | 65.27 | 70.45 | 76.37 | 87.71 | 83.87 | 75.83 | 64.84 | 57.83 | 44.42 | 62.12 | |||||||||||||
1943 | 44.10 | 55.14 | 51.29 | 68.33 | 65.16 | 80.53 | 89.84 | 89.81 | 79.30 | 68.37 | a | 54.33 | 44.26 | 65.87 | ||||||||||||
1944 | 43.87 | 43.30 | b | 47.39 | 53.41 | a | 72.55 | 81.28 | a | 85.30 | a | 87.26 | 79.57 | 67.77 | a | 50.53 | 36.06 | 62.36 | ||||||||
1945 | 38.97 | b | 41.07 | 58.67 | a | 53.82 | b | 73.26 | 74.57 | 87.52 | 85.84 | 77.00 | 68.90 | 59.89 | l | 43.42 | 63.91 | a | ||||||||
1946 | 45.84 | 51.86 | 56.16 | 70.87 | 66.74 | 84.30 | 89.71 | 89.80 | u | 79.40 | 65.42 | 38.31 | q | ----- | z | 67.81 | c | |||||||||
1947 | 43.25 | o | 38.50 | 46.26 | 59.50 | 68.26 | ----- | z | ----- | z | 87.61 | 83.07 | 72.13 | 45.86 | a | 43.32 | 60.50 | c | ||||||||
1948 | 40.42 | 39.90 | 45.16 | 68.43 | 71.65 | 77.35 | m | 88.32 | 88.52 | 85.75 | f | 67.91 | t | 48.57 | 42.18 | c | 59.24 | c | ||||||||
1949 | 31.32 | 45.89 | 52.45 | 62.57 | 70.61 | 79.07 | 87.13 | 85.77 | 77.30 | g | ----- | z | ----- | z | 47.55 | 62.48 | c | |||||||||
1950 | 42.07 | p | 53.14 | ----- | z | ----- | z | 69.39 | 85.60 | 83.23 | 83.39 | 72.27 | 76.03 | 52.43 | 49.06 | 69.39 | c | |||||||||
1951 | 39.94 | 47.21 | 50.13 | 57.67 | 70.71 | 71.29 | m | ----- | z | 84.55 | 77.93 | 64.74 | 47.90 | 41.06 | 58.18 | b | ||||||||||
1952 | 44.81 | 45.79 | ----- | z | 64.00 | q | 70.00 | 90.20 | 90.23 | 87.94 | 80.14 | b | 68.58 | e | 45.93 | 40.13 | 66.37 | b | ||||||||
1953 | 52.00 | 45.32 | 58.53 | a | 57.00 | 65.43 | c | 87.24 | a | 88.29 | 84.10 | 82.57 | 69.59 | b | 54.23 | 39.94 | 65.35 | |||||||||
1954 | 46.16 | ----- | z | 48.32 | 70.90 | 67.77 | a | 88.03 | a | 92.00 | b | 84.94 | 82.70 | 63.77 | 55.47 | 47.52 | 67.96 | a | ||||||||
1955 | 34.26 | 38.18 | 50.50 | a | 63.17 | 71.31 | b | 73.70 | 90.32 | 83.73 | a | ----- | z | ----- | z | ----- | z | ----- | z | 63.15 | d | |||||
1956 | ----- | z | ----- | z | ----- | z | 61.29 | b | 76.39 | 89.00 | a | 86.00 | 84.77 | a | 83.27 | 72.45 | 46.60 | 47.16 | 71.88 | c | ||||||
1957 | 35.52 | 52.25 | 50.35 | 52.70 | 64.84 | 79.07 | 88.77 | 86.20 | a | 78.37 | 62.87 | 48.66 | a | 52.68 | 62.69 | |||||||||||
1958 | 44.65 | 49.14 | 38.52 | 55.87 | 74.20 | a | 82.43 | 82.97 | 88.50 | i | 75.53 | o | 75.87 | p | ----- | z | ----- | z | 61.11 | e | ||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.05 | 44.45 | 50.83 | 61.32 | 69.29 | 80.94 | 87.70 | 85.79 | 78.43 | 66.87 | 52.02 | 42.60 | 63.05 | |||||||||||||
S.D. | 5.94 | 6.23 | 6.75 | 4.82 | 3.75 | 4.85 | 3.22 | 2.42 | 3.39 | 3.92 | 4.83 | 6.05 | 1.49 | |||||||||||||
SKEW | -0.12 | -0.01 | 0.31 | 0.31 | -0.75 | -0.13 | -0.36 | -0.10 | -0.58 | 0.23 | -0.16 | -0.05 | -0.63 | |||||||||||||
MAX | 52.00 | 57.72 | 67.00 | 70.90 | 76.39 | 90.20 | 94.39 | 90.48 | 83.27 | 76.03 | 62.07 | 55.90 | 65.87 | |||||||||||||
MIN | 27.57 | 31.96 | 35.90 | 52.70 | 57.77 | 70.46 | 80.35 | 80.48 | 68.87 | 59.68 | 39.52 | 31.20 | 58.97 | |||||||||||||
YRS | 36 | 38 | 38 | 36 | 40 | 37 | 37 | 37 | 35 | 36 | 32 | 36 | 21 |