YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1913 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 82.30 | u | 88.40 | a | 80.45 | 68.16 | i | 59.28 | 47.62 | a | 68.94 | h | ||
1914 | 50.48 | 51.81 | a | 60.16 | 67.73 | 75.02 | 84.15 | 88.70 | a | 88.70 | a | 82.27 | 68.82 | 61.78 | 48.81 | 69.04 | ||||||||||
1915 | 48.35 | 51.61 | 56.35 | 64.22 | 68.95 | 81.53 | 86.89 | 88.00 | 74.97 | 65.75 | a | 58.04 | q | 50.60 | 67.02 | a | ||||||||||
1916 | 49.87 | a | 59.16 | 63.66 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.56 | i | ||
1917 | ----- | z | ----- | z | ----- | z | 67.71 | r | 68.18 | 82.33 | 88.85 | 86.02 | 80.82 | 70.02 | a | 56.78 | 51.95 | 73.12 | d | |||||||
1918 | 48.65 | 55.39 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.02 | j | ||
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 61.50 | v | 57.23 | 48.68 | a | 52.96 | j | |
1921 | 51.52 | ----- | z | 64.68 | 66.65 | 71.90 | 83.32 | 88.44 | 85.69 | 80.32 | 72.71 | 59.52 | 55.65 | 70.94 | a | |||||||||||
1922 | 47.61 | 53.33 | a | 53.19 | j | 66.64 | l | 76.60 | 85.20 | b | 91.10 | 88.84 | 83.10 | 70.08 | ----- | z | ----- | z | 74.48 | d | ||||||
1923 | 55.12 | b | 54.81 | a | 57.95 | 68.12 | 78.71 | 81.25 | 86.34 | 81.35 | 79.22 | j | 65.47 | b | 54.87 | c | 50.88 | a | 66.81 | a | ||||||
1924 | 47.70 | a | 49.80 | s | 50.81 | b | 61.93 | 74.34 | ----- | z | 89.72 | a | 88.90 | ----- | z | ----- | z | ----- | z | 49.08 | l | 68.90 | f | |||
1925 | 48.68 | 57.48 | 60.45 | 65.32 | 76.79 | 82.27 | 90.97 | 84.95 | ----- | z | ----- | z | ----- | z | 50.32 | q | 70.86 | d | ||||||||
1926 | 44.90 | p | 54.84 | 62.18 | 67.23 | 73.61 | 84.38 | 89.16 | 87.50 | 81.92 | 72.16 | 59.12 | 50.89 | 71.18 | a | |||||||||||
1927 | 53.85 | 55.05 | 57.63 | 64.18 | 74.00 | 80.12 | e | 90.76 | 86.58 | 81.27 | q | 73.06 | v | ----- | z | 45.89 | q | 70.27 | d | |||||||
1928 | 49.39 | v | 48.50 | y | ----- | z | 68.11 | u | 77.48 | f | 82.15 | f | 90.74 | n | 85.68 | i | 81.54 | q | 72.29 | n | 56.53 | n | 53.12 | r | ----- | z |
1929 | 47.40 | j | 50.83 | v | 60.23 | p | 65.40 | i | 76.28 | h | 84.35 | f | 84.71 | x | 88.65 | e | 81.76 | k | 71.45 | i | 56.95 | k | 53.33 | h | 88.65 | k |
1930 | 47.89 | m | 60.33 | p | 62.15 | h | 70.80 | c | 71.18 | a | 85.25 | d | 90.15 | 88.45 | a | 80.32 | 69.67 | m | 57.41 | h | 50.61 | i | 81.02 | f | ||
1931 | 49.63 | d | 57.97 | i | ----- | z | ----- | z | ----- | z | ----- | z | 94.87 | l | 89.40 | j | 84.83 | c | ----- | z | 54.81 | f | 48.54 | f | 67.23 | j |
1932 | 45.06 | 55.93 | 64.82 | 67.91 | b | 73.77 | 83.53 | 92.61 | 92.12 | f | 88.62 | 75.29 | 56.80 | 48.45 | a | 68.44 | a | |||||||||
1933 | 49.66 | b | 52.22 | e | 60.35 | 63.00 | 67.24 | 88.78 | 96.21 | 90.42 | 85.80 | 77.16 | b | 62.83 | ----- | z | 72.15 | a | ||||||||
1934 | 50.15 | a | 57.68 | 68.08 | 75.07 | a | 81.92 | a | 82.53 | 93.31 | 90.32 | a | 82.57 | a | 72.81 | 61.15 | 55.16 | 72.56 | ||||||||
1935 | 54.37 | 57.95 | 57.52 | 67.84 | a | 71.71 | 86.48 | 91.53 | 89.43 | a | 83.87 | 69.23 | 56.75 | 51.27 | 69.83 | |||||||||||
1936 | ----- | z | ----- | z | ----- | z | ----- | z | 80.54 | r | 88.52 | 92.29 | 89.85 | r | 82.70 | 71.61 | ----- | z | 52.84 | 77.59 | g | |||||
1937 | 43.44 | 55.00 | 60.45 | 66.78 | 77.47 | 84.25 | 92.44 | 92.65 | 86.82 | 73.94 | 61.86 | a | 61.25 | c | 71.36 | |||||||||||
1938 | 54.40 | 56.16 | 58.77 | 68.43 | a | 71.93 | j | 86.85 | j | 89.87 | a | 88.72 | h | 84.05 | 70.23 | 53.60 | 54.52 | 65.56 | c | |||||||
1939 | 50.98 | 47.14 | 61.13 | 70.28 | 77.60 | 84.86 | a | 91.84 | f | 89.34 | 80.90 | 69.15 | d | 63.13 | 55.60 | 68.19 | a | |||||||||
1940 | 53.27 | 54.12 | a | 63.17 | a | 68.62 | b | 78.77 | 86.68 | 89.88 | j | 89.16 | c | 83.17 | a | 71.00 | 57.75 | 53.95 | 69.06 | a | ||||||
1941 | 51.98 | 56.43 | a | 58.03 | 60.83 | 74.13 | d | 80.69 | c | 88.53 | 85.00 | 77.52 | c | 66.65 | 60.16 | a | 51.40 | 67.61 | ||||||||
1942 | 50.85 | 49.16 | 57.52 | 64.97 | 72.98 | d | 80.28 | g | 90.07 | c | 87.33 | a | 81.80 | 69.43 | a | 59.68 | b | 51.55 | 66.85 | a | ||||||
1943 | 49.76 | 55.70 | f | 62.57 | a | 69.21 | a | ----- | z | ----- | z | 92.56 | f | 88.52 | a | 84.66 | a | 72.39 | d | 58.81 | f | 52.48 | a | 68.51 | e | |
1944 | 49.85 | a | 52.33 | c | 55.77 | r | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 51.09 | j |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 81.97 | 70.63 | a | 54.72 | 46.62 | a | 63.48 | h | ||
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1947 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.29 | 50.29 | k | |
1949 | 43.66 | 51.54 | 57.68 | 69.17 | 72.55 | 82.95 | 87.65 | 84.52 | a | 84.47 | 67.17 | a | 62.20 | b | 49.97 | 67.79 | ||||||||||
1950 | 49.53 | 57.38 | 59.97 | 69.92 | 70.74 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.10 | d | 55.79 | j | 59.78 | g | ||||
1951 | 49.79 | e | 54.06 | b | 60.45 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 54.76 | i |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1953 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1954 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1955 | ----- | z | ----- | z | 58.63 | e | 63.47 | 71.50 | c | ----- | z | ----- | z | 86.79 | s | 81.90 | f | ----- | z | ----- | z | ----- | z | 64.53 | i | |
1956 | 53.70 | k | 49.77 | a | 60.69 | 66.21 | a | 77.48 | a | 86.82 | 88.85 | 86.06 | 83.67 | 68.47 | 56.93 | 51.10 | 70.55 | a | ||||||||
1957 | 53.47 | 60.79 | 60.47 | 64.95 | 71.27 | 85.95 | 92.06 | 88.60 | 81.48 | 70.06 | 55.42 | 53.02 | 69.79 | |||||||||||||
1958 | 51.65 | 56.95 | 56.45 | 65.63 | 80.47 | 85.88 | 90.69 | 90.16 | 83.77 | 73.95 | 59.53 | 54.61 | 70.81 | |||||||||||||
1959 | 52.94 | 53.61 | 61.15 | 71.75 | 74.34 | 88.13 | 93.63 | 88.42 | 80.98 | 70.81 | 60.42 | 52.58 | 70.73 | |||||||||||||
1960 | 47.92 | 49.78 | 62.76 | 67.92 | 75.26 | 88.40 | 91.08 | 89.02 | 84.93 | 69.90 | 60.00 | 50.15 | 69.76 | |||||||||||||
1961 | 54.42 | 56.38 | 59.66 | 69.02 | 74.77 | 88.67 | 92.65 | 92.06 | 81.82 | 68.81 | 56.43 | 51.27 | 70.50 | |||||||||||||
1962 | 51.89 | 54.57 | 54.65 | 71.60 | 73.55 | 82.77 | 89.71 | 91.89 | 84.87 | 71.53 | 61.97 | 54.84 | 70.32 | |||||||||||||
1963 | 48.58 | 60.52 | 59.66 | 64.52 | 78.39 | 81.24 | a | 92.21 | 88.39 | 84.90 | 74.21 | 60.57 | 51.52 | 70.39 | ||||||||||||
1964 | 47.68 | 49.22 | 56.94 | 65.95 | 73.85 | 82.95 | 91.21 | 85.84 | 80.83 | ----- | z | ----- | z | ----- | z | 70.50 | c | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 50.20 | 54.44 | 59.86 | 67.16 | 74.46 | 84.48 | 90.59 | 88.10 | 82.66 | 70.67 | 59.02 | 51.98 | 70.04 | |||||||||||||
S.D. | 2.92 | 3.35 | 3.26 | 3.08 | 3.45 | 2.59 | 2.14 | 2.37 | 2.63 | 2.75 | 2.70 | 2.93 | 1.35 | |||||||||||||
SKEW | -0.39 | -0.19 | -0.10 | 0.21 | 0.02 | 0.20 | 0.25 | -0.52 | -0.50 | 0.20 | -0.29 | 0.86 | -0.26 | |||||||||||||
MAX | 55.12 | 60.79 | 68.08 | 75.07 | 81.92 | 88.78 | 96.21 | 92.65 | 88.62 | 77.16 | 63.13 | 61.25 | 72.56 | |||||||||||||
MIN | 43.44 | 47.14 | 50.81 | 60.83 | 67.24 | 80.12 | 86.34 | 81.35 | 74.97 | 65.47 | 53.60 | 46.62 | 67.61 | |||||||||||||
YRS | 34 | 32 | 33 | 32 | 31 | 29 | 30 | 32 | 32 | 29 | 28 | 30 | 13 |