YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | 61.00 | g | 64.23 | 78.25 | b | 88.26 | 82.62 | b | 68.48 | a | 61.40 | a | 52.57 | b | 43.55 | 67.42 | d | |||
1912 | 42.19 | 45.69 | 46.68 | c | 56.45 | a | 66.53 | p | 75.23 | 79.77 | 77.10 | 70.87 | 57.79 | c | 53.14 | b | 43.41 | b | 58.94 | a | ||||||
1913 | 43.00 | c | 45.04 | a | 52.48 | 70.13 | ----- | z | ----- | z | 71.74 | 75.30 | a | 67.85 | j | 56.16 | 47.76 | a | 38.55 | b | 55.57 | c | ||||
1914 | 43.23 | a | 42.36 | c | 57.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 52.23 | 37.40 | a | 46.45 | g | ||
1915 | 38.84 | 47.78 | e | ----- | z | 66.17 | 64.06 | 75.17 | 81.58 | 90.06 | 72.37 | 67.74 | 47.37 | 43.39 | 63.14 | a | ||||||||||
1916 | 27.32 | 47.00 | 55.74 | 61.50 | 61.16 | 70.90 | 76.45 | 83.13 | 73.33 | 61.74 | 46.57 | 39.77 | 58.72 | |||||||||||||
1917 | 41.23 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.23 | k | |
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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 85.70 | a | 75.40 | 61.74 | 52.00 | 42.06 | 63.38 | g | ||||
1931 | 48.06 | 49.96 | 57.55 | 66.69 | a | 76.52 | 74.93 | 87.90 | 86.77 | 74.06 | m | 66.58 | 48.27 | 42.29 | 64.14 | a | ||||||||||
1932 | 43.87 | 47.93 | 54.58 | 62.77 | 68.26 | 80.13 | 82.13 | a | 81.37 | a | 79.60 | 67.65 | 56.10 | 38.39 | 63.56 | |||||||||||
1933 | 43.61 | 44.07 | 53.97 | 63.17 | 62.29 | 76.73 | 86.87 | 85.58 | 73.37 | 73.26 | 58.73 | 50.84 | 64.37 | |||||||||||||
1934 | 52.74 | 54.89 | 66.61 | 71.80 | 74.77 | 76.24 | a | 85.26 | 87.42 | 76.50 | 65.45 | 51.07 | 42.68 | 67.12 | ||||||||||||
1935 | 42.26 | 48.89 | 50.23 | 58.30 | 69.77 | 76.70 | 83.45 | 83.55 | 81.13 | 64.13 | 48.33 | 41.16 | 62.33 | |||||||||||||
1936 | 42.71 | 38.52 | 54.45 | 65.87 | 72.48 | 77.57 | 84.77 | a | 85.68 | 76.40 | 71.03 | 54.27 | 46.52 | 64.19 | ||||||||||||
1937 | 30.94 | 44.50 | 54.32 | 59.23 | 70.71 | 75.13 | 86.03 | 81.97 | 76.93 | 67.16 | 51.00 | 46.84 | 62.06 | |||||||||||||
1938 | 42.77 | 42.57 | 51.03 | 62.17 | 69.45 | 79.67 | 89.29 | 83.55 | 79.87 | 62.87 | 46.43 | 44.32 | 62.83 | |||||||||||||
1939 | 47.26 | 44.50 | 59.55 | 68.47 | 73.68 | 75.07 | 86.90 | 85.35 | 76.87 | 65.77 | 57.00 | 49.23 | 65.80 | |||||||||||||
1940 | ----- | z | 47.69 | 58.81 | 61.70 | 72.43 | a | 81.87 | 83.16 | 85.10 | 72.97 | 66.03 | a | 47.30 | 45.00 | 65.64 | a | |||||||||
1941 | 44.35 | 51.25 | 60.77 | 64.57 | 68.26 | 73.62 | a | 86.61 | 79.71 | 69.93 | a | 60.50 | a | 55.13 | 42.26 | 63.08 | ||||||||||
1942 | 33.42 | 45.43 | 55.90 | 63.83 | 65.74 | 73.23 | 86.03 | 84.65 | 77.61 | b | 68.77 | a | 49.33 | 46.42 | 62.53 | |||||||||||
1943 | 38.27 | a | 49.93 | 52.29 | 62.53 | 64.13 | 69.57 | 84.87 | a | 79.71 | c | 83.80 | 63.39 | 49.93 | 40.60 | a | 61.58 | |||||||||
1944 | 42.87 | a | 44.52 | 55.00 | 60.43 | 70.97 | a | 73.10 | 86.16 | 84.35 | 80.13 | 70.93 | d | 47.30 | 39.29 | 62.92 | ||||||||||
1945 | 43.68 | 46.68 | 49.52 | 58.43 | 66.06 | 74.43 | 85.68 | 83.65 | 75.00 | 68.35 | 50.10 | 46.00 | 62.30 | |||||||||||||
1946 | 47.16 | 49.68 | 53.77 | 62.27 | 70.73 | a | 71.63 | 83.13 | 84.55 | 74.20 | 58.10 | 48.67 | 48.23 | 62.68 | ||||||||||||
1947 | 44.45 | 53.07 | 59.06 | 63.23 | 75.13 | 71.87 | 81.90 | 80.58 | 78.00 | 63.58 | 49.70 | 46.68 | 63.94 | |||||||||||||
1948 | 45.29 | 44.45 | 48.83 | b | 56.00 | b | 63.61 | 76.37 | 80.19 | 79.10 | 71.97 | 64.42 | 50.23 | 38.10 | 59.88 | |||||||||||
1949 | 32.32 | 45.00 | 49.35 | 66.90 | 71.94 | 76.67 | 82.10 | 80.77 | 76.10 | 63.03 | 59.40 | 43.58 | 62.26 | |||||||||||||
1950 | 34.13 | 49.70 | a | 52.23 | 58.73 | 68.52 | 73.67 | 83.68 | 84.81 | 76.30 | 62.77 | 55.03 | 51.29 | 62.57 | ||||||||||||
1951 | 41.90 | 47.79 | 51.58 | 65.50 | 68.10 | ----- | z | ----- | z | ----- | z | 79.03 | 61.16 | 51.67 | 40.06 | 56.31 | c | |||||||||
1952 | 40.84 | 47.62 | 49.61 | 67.03 | a | 69.87 | 71.60 | 85.93 | a | 84.60 | a | 79.57 | 71.94 | 48.50 | 41.84 | 63.25 | ||||||||||
1953 | 51.65 | 49.57 | 54.35 | 58.83 | 63.19 | 67.60 | 85.45 | 79.97 | 79.57 | 66.32 | 55.77 | 47.29 | 63.30 | |||||||||||||
1954 | 43.40 | a | 52.89 | 50.35 | 61.87 | 71.03 | 69.63 | 83.55 | 75.13 | 71.40 | 61.94 | 56.67 | 46.03 | a | 61.99 | |||||||||||
1955 | 43.16 | 45.79 | 49.13 | 53.17 | 64.42 | 76.33 | 80.29 | 84.23 | 74.67 | 65.06 | 48.40 | 41.48 | 60.51 | |||||||||||||
1956 | 44.03 | 41.76 | 53.06 | 62.17 | 67.67 | a | 70.59 | a | 86.65 | 81.83 | a | 75.70 | 61.23 | 49.47 | 50.00 | a | 62.01 | |||||||||
1957 | 31.32 | 47.21 | 51.52 | 60.63 | 68.58 | 78.67 | 82.10 | 79.16 | 77.03 | 56.53 | a | 50.60 | 49.48 | 61.07 | ||||||||||||
1958 | 45.39 | 54.14 | 50.45 | 59.20 | 76.00 | 75.97 | 87.81 | 88.65 | 75.66 | a | 70.74 | 52.83 | 50.55 | 65.61 | ||||||||||||
1959 | 45.74 | 44.50 | 55.94 | 63.43 | 63.61 | 76.87 | 88.52 | 82.07 | a | 69.29 | b | 65.90 | 55.93 | 45.13 | 63.08 | |||||||||||
1960 | 37.68 | 45.03 | 55.52 | 61.03 | 65.00 | 80.40 | 90.03 | 80.81 | 77.33 | 65.84 | 49.97 | 44.55 | 62.77 | |||||||||||||
1961 | 46.62 | o | 52.36 | 53.03 | 60.37 | 66.87 | 85.57 | 88.81 | 87.84 | 73.30 | 64.70 | a | ----- | z | 42.15 | e | 67.50 | b | ||||||||
1962 | 42.87 | 46.25 | 51.26 | 66.77 | 61.52 | 74.10 | 81.53 | a | 78.52 | 77.11 | b | 62.10 | 52.67 | 47.81 | 61.87 | |||||||||||
1963 | 42.61 | 54.46 | 54.03 | 54.73 | 66.87 | a | 72.27 | 79.22 | d | 82.48 | 77.85 | j | 64.41 | i | 50.88 | m | 43.37 | d | 61.12 | c | ||||||
1964 | 43.67 | a | 51.54 | a | 49.90 | a | 56.78 | c | 66.31 | b | 73.70 | 82.16 | 79.11 | c | 73.32 | b | 65.62 | b | 44.32 | b | 39.32 | 60.48 | ||||
1965 | 42.47 | a | 51.93 | 55.71 | 62.13 | 66.55 | 74.30 | 83.48 | b | 80.58 | 71.86 | b | 71.27 | e | 53.30 | 46.45 | 63.34 | |||||||||
1966 | 46.39 | 49.12 | c | 58.31 | b | 64.33 | 72.10 | 74.43 | 81.06 | 82.71 | 75.90 | a | 66.32 | c | 52.03 | a | 44.27 | e | 63.91 | |||||||
1967 | 45.61 | c | 54.04 | a | 50.90 | 52.11 | b | 68.73 | a | 78.28 | a | 86.07 | c | 88.10 | 80.83 | 65.32 | c | 51.07 | a | 41.17 | b | 63.52 | ||||
1968 | 44.20 | a | 49.89 | a | 58.80 | a | 60.07 | a | 68.25 | c | 77.18 | b | 86.34 | b | 77.93 | a | 75.08 | e | 65.21 | c | 49.81 | d | 41.60 | a | 62.86 | |
1969 | 37.39 | c | 42.15 | b | 55.39 | 60.26 | c | 71.90 | 75.87 | 82.38 | b | 82.94 | 75.44 | c | 58.77 | 53.10 | 42.03 | 61.47 | ||||||||
1970 | 41.87 | 49.18 | 51.58 | 54.30 | 69.55 | 79.36 | h | 86.03 | 87.10 | 69.93 | 61.94 | 49.00 | 40.84 | 60.12 | a | |||||||||||
1971 | 43.77 | 48.36 | 48.16 | 58.00 | 66.74 | 70.30 | 86.16 | 89.11 | d | 70.73 | 59.71 | 50.57 | 40.35 | 61.00 | ||||||||||||
1972 | 40.65 | 48.14 | 56.00 | 55.10 | 70.00 | 76.93 | 85.19 | 85.45 | 70.20 | 60.65 | 49.97 | 35.39 | 61.14 | |||||||||||||
1973 | 38.45 | 46.36 | 51.97 | 60.79 | a | 70.61 | 76.43 | 86.73 | a | 83.40 | a | 73.93 | 61.97 | 45.63 | 45.71 | 61.83 | ||||||||||
1974 | 35.45 | 47.61 | 49.52 | d | 56.33 | 63.19 | 81.87 | 83.07 | c | 84.93 | a | 80.97 | 65.67 | a | 50.30 | c | 44.43 | a | 61.94 | |||||||
1975 | 44.26 | 43.54 | 47.74 | d | 52.13 | 65.87 | 72.38 | a | 85.42 | 79.17 | b | 77.48 | e | 60.00 | a | 48.33 | 45.23 | 60.13 | ||||||||
1976 | 45.26 | 47.14 | 50.71 | 55.55 | a | 68.97 | 71.03 | 83.85 | e | 75.47 | a | 77.00 | a | 67.00 | a | 53.38 | a | 48.87 | 62.02 | |||||||
1977 | 39.23 | 50.61 | 50.14 | b | 65.31 | a | 59.16 | 80.33 | 82.96 | f | ----- | z | 70.07 | 62.61 | 48.10 | 43.41 | b | 56.90 | b | |||||||
1978 | 41.19 | 47.64 | 57.55 | 56.90 | 63.16 | 75.57 | 85.04 | f | 79.67 | a | 69.33 | 67.96 | c | 43.52 | a | 38.31 | b | 58.25 | a | |||||||
1979 | 25.86 | b | 43.07 | 54.93 | c | 56.89 | b | 69.90 | a | 77.60 | 84.64 | i | 80.08 | e | 78.90 | a | 65.57 | c | 44.71 | b | 46.77 | a | 58.57 | a | ||
1980 | 38.32 | 49.25 | i | 52.85 | k | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 38.32 | k | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 41.49 | 47.61 | 53.53 | 61.00 | 68.05 | 75.36 | 84.24 | 82.70 | 75.34 | 64.43 | 50.83 | 43.78 | 62.53 | |||||||||||||
S.D. | 5.32 | 3.61 | 3.85 | 4.54 | 3.99 | 3.55 | 3.38 | 3.58 | 3.64 | 3.92 | 3.56 | 3.74 | 1.60 | |||||||||||||
SKEW | -0.92 | 0.06 | 0.77 | 0.08 | 0.04 | 0.30 | -1.12 | -0.13 | -0.01 | 0.08 | 0.32 | 0.07 | 0.39 | |||||||||||||
MAX | 52.74 | 54.89 | 66.61 | 71.80 | 76.52 | 85.57 | 90.03 | 90.06 | 83.80 | 73.26 | 59.40 | 51.29 | 67.12 | |||||||||||||
MIN | 25.86 | 38.52 | 46.68 | 52.11 | 59.16 | 67.60 | 71.74 | 75.13 | 68.48 | 56.16 | 43.52 | 35.39 | 58.72 | |||||||||||||
YRS | 54 | 54 | 53 | 53 | 52 | 51 | 50 | 53 | 52 | 54 | 54 | 56 | 41 |