YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1901 | ----- | z | 40.93 | a | 45.65 | 55.38 | a | 69.20 | a | 76.20 | 88.55 | 81.71 | ----- | z | 71.00 | p | 55.20 | 40.48 | 61.48 | c | ||||||
1902 | 40.06 | 43.11 | 41.42 | 59.03 | 63.92 | s | 81.34 | a | 81.97 | a | 79.90 | 73.77 | 63.77 | a | 44.37 | 36.80 | a | 58.69 | a | |||||||
1903 | 34.45 | 27.71 | 42.32 | 53.76 | a | 63.20 | a | 74.17 | a | 81.37 | a | 82.61 | 68.94 | m | ----- | z | ----- | z | ----- | z | 57.45 | d | ||||
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 74.39 | 77.32 | 72.64 | b | 59.38 | e | 53.18 | b | 37.67 | a | 62.43 | f | ||
1905 | 34.90 | 36.59 | a | 47.41 | b | 55.79 | a | 62.54 | g | 77.52 | e | 80.19 | 81.54 | c | 72.43 | b | 58.12 | e | 48.17 | a | 33.40 | f | 59.27 | b | ||
1906 | 36.86 | b | 42.50 | j | ----- | z | ----- | z | ----- | z | 75.17 | l | 80.65 | e | 78.03 | 69.86 | b | 60.84 | 47.62 | i | 43.61 | m | 65.25 | g | ||
1907 | 38.18 | c | 49.36 | f | 52.05 | j | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.18 | k |
1908 | ----- | z | ----- | z | ----- | z | 59.59 | a | 61.33 | a | 73.74 | c | 83.07 | b | 77.83 | b | 71.20 | 55.04 | c | 48.13 | g | 36.66 | b | 64.81 | d | |
1909 | 39.96 | e | 37.11 | a | 45.68 | f | 54.18 | b | 64.00 | b | 78.14 | b | 82.90 | a | 78.46 | c | 70.89 | b | 64.25 | c | 49.46 | b | 26.79 | b | 58.74 | a |
1910 | 35.67 | a | 37.11 | 56.94 | 61.00 | a | 68.90 | 79.00 | e | 82.61 | 80.59 | d | 75.69 | d | 62.13 | a | 57.06 | n | ----- | z | 63.96 | b | ||||
1911 | ----- | z | 38.62 | d | 50.19 | 57.48 | c | 68.45 | 74.40 | 76.27 | a | ----- | z | ----- | z | 58.52 | j | 41.16 | k | 33.07 | c | 56.93 | e | |||
1912 | 38.55 | 41.24 | 42.93 | a | 51.43 | b | 63.85 | d | 72.83 | g | 76.33 | d | 76.52 | f | 66.50 | j | 57.68 | i | ----- | z | 30.58 | 49.27 | e | |||
1913 | 32.03 | a | 36.27 | b | 41.90 | a | 58.52 | c | ----- | z | ----- | z | 77.43 | j | 79.08 | g | 66.89 | c | 58.55 | k | 47.44 | e | 32.50 | a | 45.08 | e |
1914 | 37.10 | a | 38.04 | 49.97 | 58.13 | 66.84 | 72.52 | a | 74.07 | c | 79.77 | a | 75.92 | e | ----- | z | 50.25 | v | 33.29 | 58.56 | b | |||||
1915 | 33.75 | c | 38.53 | i | 48.38 | g | 59.66 | a | 57.50 | g | 73.33 | r | 79.05 | i | 78.50 | a | 67.45 | h | 62.68 | 47.47 | 37.45 | 53.25 | f | |||
1916 | 32.58 | 41.34 | 50.45 | 57.57 | 62.80 | a | 72.50 | d | 78.39 | 74.52 | 62.00 | i | ----- | z | ----- | z | 27.30 | k | 58.77 | d | ||||||
1917 | 29.89 | d | 35.39 | 34.93 | d | ----- | z | ----- | z | 76.07 | 84.31 | e | 78.90 | 71.97 | 70.29 | j | 67.03 | a | 53.83 | m | 59.81 | d | ||||
1918 | 30.04 | f | 38.29 | 50.26 | 52.96 | e | 64.73 | e | 80.07 | b | 79.62 | o | 77.03 | 70.63 | 59.42 | 41.74 | c | 35.21 | c | 57.03 | b | |||||
1919 | 35.10 | 35.96 | c | 43.29 | 62.07 | 69.04 | e | 77.48 | c | 77.67 | v | 82.90 | 77.41 | c | 56.96 | d | ----- | z | 36.71 | n | 60.02 | c | ||||
1920 | 40.54 | c | 39.76 | 42.90 | a | 48.03 | ----- | z | 76.20 | 80.15 | d | 76.35 | k | 69.63 | ----- | z | 43.13 | 34.10 | 52.72 | c | ||||||
1921 | 39.19 | 41.86 | 52.21 | b | 56.73 | 66.68 | 74.77 | 78.55 | i | 78.45 | 71.10 | 69.13 | 47.67 | 39.35 | 57.92 | a | ||||||||||
1922 | 34.19 | 36.29 | 43.90 | a | 52.80 | 67.64 | f | ----- | z | ----- | z | 79.12 | n | 76.32 | e | 62.50 | m | 44.93 | 37.84 | 46.61 | e | |||||
1923 | 41.16 | 37.12 | c | 43.82 | i | 55.70 | g | 66.13 | 72.93 | a | 78.58 | 75.03 | ----- | z | ----- | z | ----- | z | ----- | z | 61.83 | f | ||||
1924 | 24.07 | a | 38.46 | a | 36.07 | b | ----- | z | ----- | z | 87.60 | y | 86.35 | 83.87 | 72.43 | 66.83 | a | 48.62 | i | 31.46 | c | 54.94 | d | |||
1925 | 35.97 | 40.46 | ----- | z | ----- | z | 72.42 | 70.69 | a | 86.29 | 75.94 | 70.50 | 59.94 | 47.20 | 43.13 | 60.25 | b | |||||||||
1926 | 32.40 | p | 38.84 | c | 48.95 | j | 53.45 | a | 60.03 | ----- | z | ----- | z | ----- | z | 75.76 | i | 66.06 | 53.07 | 35.68 | 51.19 | f | ||||
1927 | 42.00 | i | 41.07 | 47.48 | 59.90 | 71.03 | 77.30 | 82.71 | 78.73 | a | 67.00 | 64.55 | 51.93 | ----- | z | 64.17 | b | |||||||||
1928 | ----- | z | ----- | z | ----- | z | ----- | z | 69.37 | a | 78.45 | a | 85.65 | 82.72 | b | 77.46 | f | 65.32 | f | 46.08 | e | 41.00 | d | 67.21 | f | |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 69.90 | a | 61.21 | b | 44.33 | 43.53 | a | 54.74 | h | |
1930 | 30.03 | b | 42.89 | a | 47.32 | 63.03 | a | 64.81 | d | 80.03 | 82.56 | d | 80.67 | a | 73.13 | 60.03 | 45.33 | 33.94 | 58.65 | |||||||
1931 | 36.13 | 42.39 | 48.58 | 61.57 | 68.71 | 81.97 | 89.45 | 85.74 | 75.93 | 62.74 | 45.50 | 32.06 | 60.90 | |||||||||||||
1932 | 29.81 | 41.38 | 46.17 | a | 62.80 | 70.61 | 78.40 | 84.39 | 82.32 | 74.70 | 63.94 | 52.70 | 30.42 | 59.80 | ||||||||||||
1933 | 33.13 | 32.11 | 49.32 | 55.13 | 62.00 | 82.13 | 82.39 | 83.71 | 79.87 | 67.39 | 51.07 | 43.45 | 60.14 | |||||||||||||
1934 | 40.48 | 47.57 | 58.23 | 65.23 | 76.97 | a | 80.20 | 90.26 | 86.26 | 75.40 | 67.13 | 49.70 | 38.58 | 64.67 | ||||||||||||
1935 | 40.70 | a | 43.89 | 46.90 | a | 56.70 | 62.55 | 79.73 | 85.23 | 83.29 | 76.27 | 60.97 | 46.40 | 38.48 | 60.09 | |||||||||||
1936 | 35.61 | 39.10 | 50.35 | 60.97 | 65.50 | a | 78.07 | 83.00 | 79.06 | 72.86 | a | 61.87 | 47.63 | 34.63 | a | 59.06 | ||||||||||
1937 | 23.61 | 35.18 | 44.03 | 55.73 | 70.42 | 79.33 | 84.35 | 86.71 | ----- | z | ----- | z | ----- | z | 37.27 | a | 57.40 | c | ||||||||
1938 | 37.39 | 38.07 | 49.06 | ----- | z | 66.13 | 79.63 | 84.32 | 95.48 | ----- | z | ----- | z | 37.09 | s | 45.03 | a | 61.89 | d | |||||||
1939 | 33.13 | 28.89 | a | 44.48 | 63.03 | 71.61 | 77.90 | 86.77 | 84.19 | 74.63 | ----- | z | 58.70 | 47.58 | 60.99 | a | ||||||||||
1940 | 38.06 | 41.45 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 86.74 | 74.17 | 65.16 | 50.07 | b | 46.95 | i | 59.28 | f | |||||
1941 | 40.94 | 43.70 | a | 46.29 | 50.79 | a | 65.00 | 72.57 | 83.16 | 80.19 | 68.63 | 58.48 | 49.93 | 41.87 | 58.46 | |||||||||||
1942 | 39.26 | 34.32 | 42.32 | 58.90 | 66.45 | 78.73 | 86.65 | 83.23 | 78.79 | a | 61.90 | 43.83 | 36.21 | c | 59.22 | |||||||||||
1943 | 40.06 | 46.33 | a | 47.52 | 68.00 | 69.74 | 76.90 | 86.13 | 82.74 | 79.10 | 68.87 | 52.57 | 37.94 | 62.99 | ||||||||||||
1944 | 35.10 | a | 38.21 | 42.69 | b | 52.07 | 67.58 | 73.80 | 84.87 | 86.84 | 77.73 | 70.47 | a | 48.47 | 39.55 | 59.78 | ||||||||||
1945 | 40.13 | 40.50 | x | 46.10 | 51.93 | 69.35 | 74.00 | 84.00 | 83.66 | b | 82.03 | 66.07 | b | 48.73 | 39.68 | 62.33 | a | |||||||||
1946 | 37.68 | 44.18 | 56.74 | 65.23 | 71.13 | a | 80.07 | 86.58 | 82.17 | a | 77.73 | ----- | z | 53.69 | a | 43.26 | 63.50 | a | ||||||||
1947 | 37.93 | a | 50.22 | j | 54.67 | a | ----- | z | 75.61 | 70.70 | j | 88.41 | i | 82.10 | 78.20 | 67.32 | 49.21 | a | 43.06 | 61.01 | d | |||||
1948 | 36.35 | 40.93 | a | 40.17 | a | 56.37 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.45 | h | ||
1949 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 75.62 | i | 57.84 | 55.80 | 38.71 | 50.78 | i | |||
1950 | 34.52 | 42.29 | 47.30 | a | 58.43 | 64.00 | u | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 45.63 | h | |||
1951 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 90.23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 90.23 | k | |
1952 | 36.15 | e | 36.59 | 37.90 | 57.97 | 68.45 | 78.07 | 84.55 | 82.97 | 76.40 | 69.45 | 43.03 | 35.39 | 58.91 | ||||||||||||
1953 | 41.81 | 37.18 | 49.19 | 54.53 | 62.42 | 80.87 | 84.90 | a | 79.97 | 77.93 | 61.52 | 49.23 | 34.23 | 59.48 | ||||||||||||
1954 | 38.77 | a | 48.39 | 46.23 | 64.80 | 71.35 | 78.87 | 86.23 | a | 81.77 | 73.33 | 62.73 | a | 50.53 | 36.58 | 61.63 | ||||||||||
1955 | 34.52 | 32.15 | a | 44.97 | a | 54.93 | 65.45 | b | 75.47 | 84.87 | 82.06 | 77.50 | 71.65 | k | 42.65 | d | 40.45 | 57.73 | a | |||||||
1956 | 42.26 | 35.71 | e | 51.00 | 56.43 | 71.03 | 82.03 | 84.61 | 80.68 | 79.97 | 64.00 | 43.23 | 35.74 | 60.56 | ||||||||||||
1957 | 34.65 | 44.25 | 47.52 | 52.87 | 60.26 | 75.80 | 83.45 | 81.48 | 75.27 | 58.16 | 40.17 | 39.87 | 57.81 | |||||||||||||
1958 | 38.55 | 44.11 | 41.54 | e | ----- | z | 73.29 | g | 79.43 | g | 86.86 | b | 85.54 | e | 74.00 | e | 62.00 | i | 45.65 | j | 47.93 | d | 59.79 | e | ||
1959 | ----- | z | 40.12 | b | 52.11 | d | 63.24 | a | 72.50 | c | 84.85 | d | 86.24 | f | 81.44 | d | 68.52 | c | 61.12 | e | 47.92 | d | 36.89 | c | 60.87 | b |
1960 | 32.76 | b | 32.27 | c | 50.61 | c | 61.61 | b | 69.11 | d | 80.26 | c | 90.71 | c | 78.88 | e | 77.78 | l | 60.04 | c | 53.67 | f | 43.96 | e | 60.02 | b |
1961 | ----- | z | 40.36 | f | 46.39 | c | 60.35 | d | 66.82 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 57.85 | i |
1962 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1963 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.80 | 37.97 | 43.88 | j | ||
1964 | 33.97 | 36.15 | c | 39.46 | g | 52.03 | a | 68.00 | 75.88 | d | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.21 | g | ||
1965 | ----- | z | ----- | z | ----- | z | ----- | z | 63.54 | g | 72.72 | a | 80.93 | a | 80.03 | 66.43 | 67.08 | e | 51.50 | 38.55 | 65.32 | e | ||||
1966 | 35.22 | d | 33.57 | 53.10 | 59.73 | d | 72.36 | c | 78.16 | e | 84.88 | g | 82.39 | h | 75.76 | m | 62.71 | n | 52.54 | f | ----- | z | 55.36 | f | ||
1967 | 37.54 | c | 44.85 | a | 55.00 | f | 56.41 | a | 65.61 | ----- | z | ----- | z | 83.00 | p | 74.63 | 65.54 | c | 51.10 | 31.16 | 53.36 | d | ||||
1968 | 34.10 | 43.10 | 49.55 | 51.47 | 64.03 | 79.80 | 83.39 | 77.10 | 73.70 | ----- | z | 45.03 | 35.97 | 57.93 | a | |||||||||||
1969 | 38.84 | 39.79 | 46.03 | 62.86 | a | 71.74 | 74.93 | 84.19 | 85.84 | 76.57 | 55.06 | 47.17 | 41.81 | 60.40 | ||||||||||||
1970 | 37.03 | 47.85 | h | 41.50 | i | 48.36 | b | 69.33 | d | 79.29 | i | 85.00 | e | 83.68 | f | 70.20 | 56.07 | a | 48.30 | 39.47 | a | 56.72 | d | |||
1971 | 36.37 | a | 41.18 | f | 50.41 | d | 57.41 | a | 65.32 | 78.64 | b | 85.19 | 82.00 | b | 70.00 | d | 59.42 | g | 45.03 | 32.97 | b | 60.33 | b | |||
1972 | 38.19 | 46.85 | b | 57.77 | e | 59.86 | a | 70.23 | 78.12 | d | 85.90 | 81.77 | a | 73.41 | a | 57.32 | 39.25 | b | ----- | z | 62.61 | a | ||||
1973 | 32.92 | e | 40.35 | b | ----- | z | 52.40 | j | 66.18 | c | 75.30 | c | 84.28 | b | 82.29 | c | 73.56 | e | 62.47 | a | 49.38 | f | 37.65 | e | 61.67 | c |
1974 | 31.14 | c | 37.35 | b | 51.29 | c | 55.15 | d | 70.07 | c | 82.17 | 80.41 | d | 78.84 | 73.18 | b | 61.46 | e | 45.75 | b | 32.71 | 58.29 | ||||
1975 | 34.52 | 37.93 | 43.74 | 50.63 | 61.65 | e | 72.81 | i | 81.29 | 82.29 | 73.53 | 64.31 | b | 47.27 | 37.52 | 55.88 | a | |||||||||
1976 | 34.68 | 44.24 | 44.16 | 56.70 | 66.87 | 78.30 | 85.77 | 80.16 | 73.37 | 58.81 | 50.30 | 42.58 | 59.66 | |||||||||||||
1977 | 33.52 | 44.75 | 45.93 | d | 62.13 | 65.03 | 82.27 | 82.29 | 81.16 | 74.07 | 62.20 | a | 47.43 | 41.16 | 60.16 | |||||||||||
1978 | 36.81 | d | 37.33 | j | 50.95 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 36.81 | k |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 35.94 | 39.40 | 47.11 | 57.46 | 67.43 | 77.58 | 83.64 | 81.48 | 73.84 | 62.45 | 48.42 | 37.74 | 60.03 | |||||||||||||
S.D. | 3.76 | 4.38 | 4.98 | 4.49 | 3.74 | 3.10 | 3.57 | 3.44 | 3.52 | 3.89 | 4.73 | 4.39 | 1.62 | |||||||||||||
SKEW | -0.96 | -0.30 | 0.05 | 0.04 | 0.11 | -0.11 | -0.59 | 1.00 | -0.03 | 0.09 | 1.13 | 0.06 | 1.33 | |||||||||||||
MAX | 42.26 | 48.39 | 58.23 | 68.00 | 76.97 | 84.85 | 90.71 | 95.48 | 82.03 | 70.47 | 67.03 | 47.93 | 64.67 | |||||||||||||
MIN | 23.61 | 27.71 | 34.93 | 48.03 | 60.03 | 70.69 | 74.07 | 74.52 | 66.43 | 55.04 | 39.25 | 26.79 | 57.81 | |||||||||||||
YRS | 62 | 60 | 56 | 58 | 56 | 54 | 56 | 58 | 55 | 48 | 53 | 58 | 20 |