YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1914 | ----- | z | ----- | z | ----- | z | 46.81 | n | 57.84 | 60.67 | 69.50 | a | 71.65 | 62.12 | 49.94 | 40.68 | 21.48 | a | 54.23 | d | ||||||
1915 | 26.84 | 32.20 | 38.55 | 45.69 | a | 47.98 | 58.35 | 66.19 | 70.79 | 59.82 | 52.53 | 38.20 | 30.10 | 47.27 | ||||||||||||
1916 | 23.39 | 32.71 | 43.58 | 49.28 | 52.76 | b | 61.22 | u | 70.38 | a | 66.34 | b | 62.48 | b | 43.74 | 36.28 | 26.24 | 46.11 | a | |||||||
1917 | 21.24 | b | 29.98 | 33.25 | c | 43.37 | 47.50 | i | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.96 | h | ||
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 60.25 | l | 51.11 | 36.40 | 29.84 | 39.12 | i | |||
1919 | 30.58 | 27.43 | 32.87 | 47.97 | 57.16 | 62.05 | 73.65 | 73.27 | 63.30 | 43.18 | 39.41 | a | 31.56 | 48.54 | ||||||||||||
1920 | 34.66 | 33.14 | 33.44 | 41.50 | 52.71 | 65.88 | 75.32 | 69.08 | 58.42 | 46.82 | a | 38.47 | 32.13 | 48.46 | ||||||||||||
1921 | 35.03 | 33.67 | a | 45.89 | 44.29 | a | 50.61 | 65.83 | 73.17 | a | 71.15 | 63.70 | 55.55 | 45.37 | 36.18 | 51.70 | ||||||||||
1922 | 27.68 | 27.04 | 33.55 | 39.83 | 52.24 | 63.79 | a | 72.53 | 67.34 | 66.48 | 53.38 | a | 39.62 | 33.47 | a | 48.08 | ||||||||||
1923 | 34.15 | a | 27.91 | 35.16 | 41.78 | 53.28 | a | 57.62 | 69.50 | 66.44 | 57.83 | 45.44 | 39.95 | 30.71 | 46.65 | |||||||||||
1924 | 27.95 | 39.84 | 32.37 | 44.75 | 57.15 | 65.05 | 69.40 | 67.61 | 60.20 | 46.13 | 37.20 | 26.45 | 47.84 | |||||||||||||
1925 | 28.66 | 35.04 | 39.15 | 45.32 | 56.11 | 60.29 | a | 69.45 | 63.48 | 55.27 | 45.77 | 37.28 | 38.18 | 47.83 | ||||||||||||
1926 | 35.24 | 36.50 | 42.68 | 50.02 | 57.44 | 68.57 | 70.94 | 68.68 | 60.30 | 53.69 | 42.88 | 28.53 | 51.29 | |||||||||||||
1927 | 33.06 | 33.93 | 38.15 | 45.85 | 54.16 | 64.18 | 71.69 | 66.69 | 58.98 | 51.48 | 41.83 | 26.66 | 48.89 | |||||||||||||
1928 | 33.66 | c | 33.45 | 41.90 | a | 44.30 | b | 55.56 | 61.43 | 68.98 | 67.81 | 61.82 | 48.95 | 36.78 | 28.15 | 48.57 | ||||||||||
1929 | 30.79 | n | 30.04 | p | 37.26 | 39.72 | 52.47 | 60.00 | 70.10 | 66.37 | 57.35 | 50.52 | 41.07 | 37.55 | 51.24 | b | ||||||||||
1930 | 23.62 | a | 40.66 | f | 39.05 | 50.18 | 48.50 | a | 64.20 | 69.08 | 67.11 | 58.12 | 46.02 | 38.15 | 31.03 | 48.64 | a | |||||||||
1931 | 31.74 | 34.95 | 39.77 | 48.60 | 56.47 | 63.85 | 75.08 | 68.71 | 58.30 | 50.72 | a | 32.42 | 26.79 | 48.95 | ||||||||||||
1932 | 23.00 | 30.33 | 38.92 | 44.88 | 52.16 | 60.68 | 69.42 | 68.79 | 63.53 | 49.13 | 41.97 | a | 25.65 | 47.37 | ||||||||||||
1933 | 26.79 | b | 20.72 | c | 37.48 | 42.42 | 47.37 | 64.10 | 72.06 | 68.71 | 62.78 | 55.31 | 42.60 | 34.98 | 47.94 | |||||||||||
1934 | 34.05 | 37.54 | 47.26 | 51.65 | 58.42 | 59.35 | 71.34 | 69.65 | 60.23 | 51.03 | 39.72 | a | 32.89 | 51.09 | ||||||||||||
1935 | 30.18 | a | 34.02 | 33.13 | 44.02 | 50.64 | b | 65.32 | 66.37 | 67.37 | a | 61.38 | 46.44 | 34.65 | 31.45 | 47.08 | ||||||||||
1936 | 30.39 | 29.82 | a | 39.42 | 48.53 | 54.88 | a | 63.53 | 68.19 | 65.69 | 58.29 | d | 45.11 | 38.37 | 28.56 | 47.57 | ||||||||||
1937 | 9.00 | b | 24.25 | 34.79 | 41.37 | 54.40 | a | 59.28 | a | 67.71 | 67.61 | 61.94 | c | 48.87 | 39.25 | 32.53 | 45.08 | |||||||||
1938 | 30.89 | 25.16 | 32.35 | a | 43.15 | 48.76 | 60.20 | 66.37 | 65.32 | 60.68 | 47.65 | 34.75 | 35.40 | 45.89 | ||||||||||||
1939 | 29.12 | j | 21.75 | h | 33.00 | p | 47.39 | u | ----- | z | ----- | z | 70.25 | y | 68.67 | y | ----- | z | ----- | z | 43.89 | p | 35.11 | m | ----- | z |
1940 | 29.30 | p | 28.50 | r | 37.77 | r | 47.96 | r | ----- | z | ----- | z | ----- | z | 71.82 | 57.00 | y | ----- | z | 35.16 | k | 28.50 | r | 71.82 | k | |
1941 | 27.73 | p | ----- | z | 38.11 | h | 39.28 | n | 52.25 | y | 58.75 | x | 63.27 | t | 61.21 | x | 51.60 | o | 43.62 | s | 30.12 | v | 27.27 | t | ----- | z |
1942 | 73.13 | a | 28.18 | 36.53 | 45.28 | 52.22 | a | 63.75 | ----- | z | 68.73 | 60.53 | 51.82 | 40.85 | d | 37.73 | 50.80 | a | ||||||||
1943 | 33.10 | a | 36.59 | a | 40.27 | a | 44.62 | q | 55.52 | j | 57.80 | 69.84 | 68.13 | a | 64.12 | a | 50.08 | 40.17 | 32.08 | a | 49.22 | b | ||||
1944 | 28.07 | b | 28.04 | a | 35.11 | c | 42.18 | b | 53.16 | 57.52 | c | 67.92 | 68.16 | 63.16 | a | 51.57 | a | 34.75 | 32.11 | 46.81 | ||||||
1945 | 32.45 | 32.07 | a | 32.61 | 42.68 | b | 52.43 | a | 59.52 | 70.79 | 65.56 | 59.69 | a | 50.77 | a | 37.40 | 28.44 | 47.03 | ||||||||
1946 | 29.73 | a | 30.95 | 37.61 | 49.33 | 53.89 | 64.18 | 68.82 | a | 68.08 | 60.72 | 43.88 | a | 33.94 | d | 34.60 | a | 47.98 | ||||||||
1947 | 29.97 | a | 38.62 | 42.65 | 46.32 | 58.66 | 61.43 | a | 68.58 | a | 66.62 | e | 64.28 | 50.94 | 34.55 | 28.20 | a | 49.23 | ||||||||
1948 | 34.38 | a | 30.41 | 31.15 | 45.85 | 53.84 | 60.83 | 70.13 | 67.48 | 63.58 | 50.44 | 37.05 | 27.13 | 47.69 | ||||||||||||
1949 | 17.67 | a | 24.09 | 34.31 | 50.63 | 52.69 | b | 61.90 | 69.15 | 66.48 | 62.62 | 48.69 | 48.15 | 28.20 | a | 47.05 | ||||||||||
1950 | 24.74 | 36.59 | 39.81 | 48.82 | 53.82 | a | 62.66 | a | 69.37 | a | 68.47 | 60.42 | 55.27 | 43.60 | 39.52 | 50.26 | ||||||||||
1951 | 30.16 | 32.79 | 37.63 | 47.60 | 54.16 | 62.47 | 71.58 | 68.10 | 64.43 | 49.03 | 37.12 | 27.26 | 48.53 | |||||||||||||
1952 | 25.23 | 30.33 | 29.90 | a | 46.98 | f | 56.52 | 60.40 | 70.60 | 71.21 | 63.60 | 57.92 | 34.43 | 29.44 | 48.14 | a | ||||||||||
1953 | 37.19 | 34.20 | 39.13 | 44.47 | 48.09 | d | 61.55 | 72.55 | 67.47 | 65.40 | 48.77 | 40.98 | 32.05 | a | 49.32 | |||||||||||
1954 | 31.75 | a | 41.06 | a | 35.13 | a | 50.25 | 59.05 | 62.52 | 71.55 | 67.00 | 61.03 | a | 52.02 | 43.25 | 31.02 | 50.47 | |||||||||
1955 | 25.19 | 25.93 | 35.58 | 42.10 | 50.78 | a | 60.76 | a | 67.71 | 67.22 | b | 62.28 | 53.24 | 40.78 | 39.34 | 47.58 | ||||||||||
1956 | 36.65 | 30.71 | 41.50 | b | 46.36 | a | 55.87 | 67.05 | 69.50 | 67.55 | 66.14 | a | 50.68 | 41.27 | ----- | z | 52.12 | a | ||||||||
1957 | 25.06 | 39.64 | 43.40 | ----- | z | 47.69 | j | 65.18 | 70.02 | 68.87 | 62.53 | 46.94 | 33.79 | a | 35.08 | 49.05 | b | |||||||||
1958 | 33.50 | 37.39 | a | 34.72 | a | 44.19 | a | 58.37 | 64.88 | 70.90 | 73.58 | 63.43 | 55.40 | 42.63 | 41.31 | 51.69 | ||||||||||
1959 | 34.06 | 30.14 | 41.55 | 50.88 | 53.19 | 68.70 | 75.32 | 69.74 | 59.47 | 54.52 | 43.68 | 34.60 | 51.32 | |||||||||||||
1960 | 25.95 | 29.12 | 43.24 | 48.10 | 55.68 | 69.20 | 74.52 | 71.26 | 66.03 | 51.35 | 40.57 | 34.28 | a | 50.78 | ||||||||||||
1961 | 35.42 | 36.71 | 38.20 | a | 46.73 | 54.87 | 68.65 | 74.15 | 69.71 | 58.75 | 50.58 | 36.86 | a | 29.71 | 50.03 | |||||||||||
1962 | 30.88 | a | 35.65 | a | 35.95 | 52.00 | 52.50 | a | 63.20 | 70.03 | 70.48 | 63.40 | 54.12 | a | 44.18 | 36.61 | 50.75 | |||||||||
1963 | 31.45 | 43.21 | 36.32 | 41.22 | a | 57.35 | a | 58.25 | 71.37 | 69.50 | 65.03 | 55.11 | 41.58 | 34.87 | 50.44 | |||||||||||
1964 | 30.52 | a | 32.11 | a | 32.85 | 44.33 | 52.42 | 61.62 | 72.69 | 68.89 | 61.08 | 57.10 | 36.48 | a | 33.08 | a | 48.60 | |||||||||
1965 | 35.13 | 36.83 | a | 37.58 | 44.05 | a | 50.98 | 59.38 | 68.95 | a | 67.37 | 56.87 | d | 57.60 | 43.41 | a | 32.73 | a | 49.24 | |||||||
1966 | 29.56 | 30.04 | 42.53 | a | 49.67 | 60.08 | a | 65.37 | 71.34 | 71.95 | 63.23 | 52.58 | 41.83 | a | 35.20 | a | 51.12 | |||||||||
1967 | 33.53 | 36.07 | a | 39.90 | a | 34.78 | 53.71 | 58.88 | 71.15 | 71.69 | 61.34 | b | 54.15 | a | 43.70 | 27.88 | a | 48.90 | ||||||||
1968 | 31.69 | 38.21 | 41.29 | 43.23 | 53.92 | 65.63 | 70.94 | 64.23 | 60.40 | 51.05 | b | 39.03 | a | 27.27 | 48.91 | |||||||||||
1969 | 32.73 | a | 28.43 | 33.23 | 46.05 | 59.37 | a | 60.33 | 70.29 | b | 72.47 | 64.28 | 45.79 | 39.87 | 34.78 | a | 48.97 | |||||||||
1970 | 32.60 | 37.75 | ----- | z | 40.53 | 54.74 | 63.47 | 71.18 | 71.19 | 57.35 | 48.71 | 39.38 | a | 27.78 | a | 49.52 | a | |||||||||
1971 | 31.40 | 34.89 | 39.34 | 45.03 | 49.73 | 63.47 | 72.74 | 70.92 | ----- | z | 37.82 | q | 36.82 | 25.37 | 46.97 | b | ||||||||||
1972 | ----- | z | ----- | z | 45.24 | j | 46.58 | 56.63 | 65.05 | 73.35 | 68.06 | 58.77 | 46.53 | a | 34.38 | a | 27.42 | 52.98 | c | |||||||
1973 | 26.31 | 31.36 | 33.68 | 42.78 | a | 57.32 | 64.53 | 71.69 | 67.47 | 60.02 | 50.60 | 37.00 | a | 32.83 | a | 47.97 | ||||||||||
1974 | 26.83 | a | 32.67 | a | 41.90 | 43.68 | 58.35 | 68.85 | 70.83 | a | 68.40 | 64.20 | 50.06 | 39.00 | 28.71 | 49.46 | ||||||||||
1975 | 31.50 | 31.77 | 34.61 | 38.10 | a | 52.13 | 61.70 | 70.23 | 66.98 | 62.38 | 47.73 | 37.55 | 35.87 | 47.55 | ||||||||||||
1976 | 34.29 | 35.74 | 35.42 | 42.73 | 57.16 | 62.60 | 71.10 | 64.21 | 60.05 | 49.24 | 43.33 | 34.39 | 49.19 | |||||||||||||
1977 | 29.68 | 38.39 | 33.94 | 48.29 | b | 47.15 | 66.65 | 71.16 | 69.16 | 59.72 | 52.44 | 41.62 | 36.60 | a | 49.56 | |||||||||||
1978 | 31.06 | 33.29 | 41.45 | 43.00 | 52.90 | 64.35 | 71.81 | 69.08 | 58.35 | 54.85 | 34.95 | 27.29 | 48.53 | |||||||||||||
1979 | 23.45 | 30.11 | 37.06 | 46.46 | b | ----- | z | ----- | z | 71.82 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 41.78 | g | ||||
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.39 | c | 41.32 | a | 41.85 | j |
1981 | ----- | z | ----- | z | ----- | z | 48.58 | 50.85 | 65.50 | 72.42 | 70.31 | 62.35 | ----- | z | 38.02 | h | 36.05 | j | 61.67 | f | ||||||
1982 | 26.76 | b | 27.92 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 27.34 | j |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 30.41 | 32.67 | 37.58 | 45.28 | 53.96 | 62.90 | 70.73 | 68.54 | 61.41 | 50.50 | 39.28 | 31.78 | 48.77 | |||||||||||||
S.D. | 7.47 | 4.57 | 3.91 | 3.55 | 3.23 | 3.02 | 2.08 | 2.19 | 2.55 | 3.57 | 3.33 | 4.32 | 1.56 | |||||||||||||
SKEW | 2.64 | -0.15 | 0.27 | -0.26 | -0.19 | 0.19 | 0.12 | 0.16 | -0.09 | 0.00 | 0.10 | 0.19 | 0.10 | |||||||||||||
MAX | 73.13 | 43.21 | 47.26 | 52.00 | 60.08 | 69.20 | 75.32 | 73.58 | 66.48 | 57.92 | 48.15 | 41.32 | 51.70 | |||||||||||||
MIN | 9.00 | 20.72 | 29.90 | 34.78 | 47.15 | 57.52 | 66.19 | 63.48 | 55.27 | 43.18 | 32.42 | 21.48 | 45.08 | |||||||||||||
YRS | 60 | 59 | 59 | 59 | 59 | 60 | 61 | 62 | 60 | 60 | 62 | 61 | 48 |