YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1903 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1904 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1905 | ----- | z | ----- | z | ----- | z | ----- | z | 57.07 | a | 68.04 | e | 77.53 | a | 74.35 | g | 65.48 | a | 48.26 | 40.19 | d | 35.10 | a | 55.95 | e | |
1906 | 37.85 | 40.86 | 42.56 | 55.24 | a | 61.06 | g | 64.78 | a | 81.90 | 73.92 | 65.07 | a | 55.41 | c | 45.98 | g | 37.22 | a | 55.48 | b | |||||
1907 | 24.61 | h | 38.70 | 44.18 | a | 46.56 | u | 60.53 | 65.55 | b | 73.31 | d | 68.23 | 63.00 | 58.21 | 45.20 | t | 38.91 | i | 58.96 | d | |||||
1908 | 34.80 | c | 38.45 | 46.72 | a | 54.84 | e | 58.12 | a | 67.00 | f | 77.16 | 72.66 | 66.27 | h | 52.81 | b | 43.48 | 33.75 | i | 53.23 | c | ||||
1909 | 33.42 | k | 43.02 | a | 47.21 | b | 51.29 | b | 59.60 | 68.65 | 72.26 | 71.18 | 65.62 | d | 54.29 | 44.12 | b | 27.95 | 55.02 | a | ||||||
1910 | 29.39 | 31.88 | 51.16 | b | 56.76 | c | 64.11 | 65.54 | c | 74.95 | 69.35 | 61.48 | c | 54.56 | 43.38 | b | 38.07 | c | 53.39 | |||||||
1911 | 35.66 | 35.00 | 47.68 | 51.88 | 56.74 | 68.77 | 76.55 | 71.24 | 61.10 | 51.27 | 42.13 | 37.08 | 52.93 | |||||||||||||
1912 | 29.17 | b | 41.22 | b | 42.21 | 52.32 | 60.14 | f | 69.33 | 71.20 | a | 68.94 | 58.56 | d | 49.65 | 43.93 | 37.19 | 51.25 | a | |||||||
1913 | 31.74 | 29.43 | 42.26 | 52.48 | 60.90 | 68.02 | 73.45 | 73.82 | 62.20 | 50.97 | 45.47 | 31.56 | 51.86 | |||||||||||||
1914 | 40.55 | 37.81 | d | 48.29 | 53.42 | 62.38 | c | 66.63 | 75.86 | b | 74.08 | 61.90 | 54.69 | 43.57 | a | 26.03 | 53.77 | |||||||||
1915 | 30.60 | 41.68 | 48.77 | 56.23 | 60.34 | 67.65 | 73.31 | 78.27 | 63.90 | 56.19 | 42.25 | 36.98 | 54.68 | |||||||||||||
1916 | 18.08 | 33.64 | 47.56 | 53.34 | h | 55.82 | a | 66.07 | g | 70.42 | ----- | z | ----- | z | 50.00 | q | 36.52 | 32.74 | 42.11 | e | ||||||
1917 | 33.87 | 37.61 | 41.44 | 50.55 | 58.47 | 68.67 | 78.33 | e | 76.11 | 66.29 | a | 56.08 | 44.65 | 46.05 | 54.84 | |||||||||||
1918 | 40.48 | a | 37.50 | 46.60 | a | 53.63 | 59.18 | 75.50 | 76.56 | 73.36 | j | 69.10 | 57.77 | 41.77 | 36.63 | 54.07 | a | |||||||||
1919 | 32.60 | b | 39.45 | 46.87 | 54.72 | 62.27 | a | 66.82 | 76.94 | 75.27 | 63.52 | 50.81 | 40.08 | 21.81 | b | 52.60 | ||||||||||
1920 | 29.79 | 37.14 | 46.90 | a | 50.98 | 59.45 | a | 68.20 | b | 78.23 | 75.52 | 65.48 | 54.06 | 40.20 | 38.42 | 53.70 | ||||||||||
1921 | 37.23 | 41.07 | 48.15 | 51.72 | 62.53 | 72.40 | 74.90 | 74.43 | a | 59.90 | 55.76 | 41.78 | 31.77 | 54.30 | ||||||||||||
1922 | 22.15 | 34.14 | 44.26 | 51.25 | 60.34 | 74.82 | 78.90 | a | 74.89 | 68.17 | 56.52 | 38.43 | 30.81 | 52.89 | ||||||||||||
1923 | 40.24 | 31.32 | 47.47 | 55.57 | 61.74 | 67.62 | 75.87 | 76.45 | 66.00 | g | 53.90 | a | 45.07 | 37.08 | a | 53.85 | a | |||||||||
1924 | 30.03 | 46.47 | 46.73 | 54.62 | 67.73 | 71.38 | 77.39 | 74.16 | 65.95 | 55.02 | i | 41.62 | a | 25.68 | 54.70 | a | ||||||||||
1925 | 40.87 | 46.30 | 48.66 | 58.08 | 64.00 | a | 72.08 | 80.79 | 74.48 | 66.38 | 55.92 | 41.66 | a | 40.12 | a | 57.45 | ||||||||||
1926 | 37.02 | 46.20 | 52.77 | 58.77 | d | 62.66 | 74.40 | 80.18 | c | 75.23 | 62.35 | 56.86 | c | 44.92 | f | 40.31 | j | 60.64 | b | |||||||
1927 | 24.83 | a | 44.00 | a | 46.48 | 52.32 | 59.15 | 70.97 | 77.26 | 75.42 | 63.23 | 56.35 | 48.80 | 33.77 | a | 54.38 | ||||||||||
1928 | 32.83 | g | 38.93 | b | 49.77 | a | 52.70 | 66.79 | 69.40 | 78.57 | b | 74.45 | b | 65.40 | 54.90 | a | 42.73 | 34.05 | a | 57.06 | a | |||||
1929 | 25.70 | a | 24.54 | b | 49.29 | 52.22 | a | 63.17 | a | 69.02 | 75.84 | 77.55 | 64.34 | a | 56.44 | 40.50 | b | 39.35 | e | 53.16 | ||||||
1930 | 16.83 | b | 42.91 | 49.92 | 60.53 | a | 62.78 | a | 70.74 | a | 75.32 | a | 76.35 | 66.34 | a | 51.87 | 42.77 | 35.06 | 54.29 | |||||||
1931 | 38.50 | b | 40.48 | 45.55 | c | 50.46 | b | 65.05 | a | 68.69 | a | 76.43 | a | 76.31 | 62.45 | b | 48.21 | 39.03 | 30.80 | a | 53.50 | |||||
1932 | 40.12 | w | 35.98 | 44.54 | c | 53.52 | 58.64 | q | ----- | z | ----- | z | 70.53 | 63.42 | 54.39 | 45.93 | 31.61 | 49.99 | d | |||||||
1933 | 38.50 | a | 32.32 | 46.35 | 52.93 | 56.87 | 67.88 | 75.08 | a | 73.35 | 60.40 | 56.85 | 43.37 | 43.33 | m | 54.90 | a | |||||||||
1934 | 42.22 | d | 42.62 | 51.70 | a | 59.87 | 65.44 | 69.40 | a | 74.15 | 73.58 | 63.38 | 55.90 | 47.53 | 39.44 | 57.10 | ||||||||||
1935 | 33.63 | 39.24 | a | 44.29 | b | 49.55 | 60.77 | 68.07 | 73.94 | 71.13 | 67.13 | 52.11 | 36.32 | b | 34.08 | 52.52 | ||||||||||
1936 | 38.45 | 22.81 | 45.92 | 58.05 | 65.65 | 69.82 | 74.77 | 73.56 | 63.30 | 56.08 | 35.02 | 39.81 | 53.60 | |||||||||||||
1937 | 15.81 | 33.70 | a | 47.48 | 52.52 | 61.21 | 67.33 | 76.47 | 70.37 | 65.20 | 56.97 | 45.48 | 38.89 | 52.62 | ||||||||||||
1938 | 36.98 | 37.43 | 46.06 | 54.20 | 59.84 | 68.98 | 76.89 | 71.39 | 68.35 | 53.60 | 39.84 | a | 35.60 | 54.10 | ||||||||||||
1939 | 39.68 | 37.95 | 48.52 | 55.23 | 63.27 | 66.70 | 74.85 | 73.48 | 65.57 | 55.11 | 42.62 | 41.15 | 55.34 | |||||||||||||
1940 | 32.44 | 42.36 | 50.94 | 54.63 | 63.76 | 70.63 | 74.73 | 72.27 | 67.38 | 57.18 | 37.00 | 35.73 | 54.92 | |||||||||||||
1941 | 33.89 | 39.82 | 49.61 | 55.80 | 61.06 | 67.60 | 78.45 | 73.10 | 60.88 | 52.90 | 44.77 | 39.55 | 54.79 | |||||||||||||
1942 | 24.47 | 39.00 | 46.03 | 55.48 | 60.08 | 66.13 | 77.39 | 75.66 | 66.43 | 56.40 | 42.52 | 39.68 | 54.11 | |||||||||||||
1943 | 27.60 | 39.54 | 40.88 | j | 56.55 | 58.57 | a | 64.10 | 74.52 | 70.12 | c | 66.45 | 53.90 | 41.31 | d | 33.68 | 53.30 | a | ||||||||
1944 | 32.65 | 39.03 | 44.83 | b | 54.00 | 61.39 | 66.86 | b | 75.64 | i | 71.45 | 66.23 | 57.13 | 41.70 | 32.94 | 51.65 | a | |||||||||
1945 | 38.11 | 42.84 | 45.81 | 52.82 | k | 61.58 | k | 66.24 | a | 75.06 | 73.26 | 63.13 | d | 52.22 | h | 42.97 | 34.58 | a | 53.56 | c | ||||||
1946 | 37.90 | 41.82 | 47.21 | 53.21 | a | 61.64 | b | 65.60 | ----- | z | ----- | z | 63.37 | 50.97 | 39.83 | 38.55 | 50.01 | b | ||||||||
1947 | 31.89 | 41.36 | 50.45 | a | 56.30 | 67.02 | 66.98 | 73.39 | 70.90 | 65.25 | 55.93 | a | 44.22 | 39.07 | a | 55.23 | ||||||||||
1948 | 34.32 | 37.16 | 44.15 | 50.38 | 58.56 | 71.62 | a | 71.03 | b | 71.12 | e | 62.03 | 51.89 | c | 43.71 | d | 32.77 | 52.40 | ||||||||
1949 | 18.14 | c | 35.46 | a | 46.60 | 57.47 | a | 65.46 | c | 68.15 | 70.76 | h | 72.52 | j | 65.26 | c | 50.02 | 45.32 | e | 39.29 | 49.12 | b | ||||
1950 | 18.92 | a | 33.66 | 45.23 | 51.47 | 60.16 | 66.40 | o | 73.97 | 73.11 | 64.70 | 54.10 | 44.17 | 39.94 | 50.86 | a | ||||||||||
1951 | 35.58 | a | 38.59 | 42.95 | i | 53.31 | a | 61.96 | c | 67.95 | 74.64 | q | 71.81 | e | 64.17 | d | 52.29 | 41.58 | 32.74 | 52.00 | b | |||||
1952 | 29.52 | 40.91 | 45.74 | 55.05 | 62.50 | b | 66.23 | 75.15 | 73.70 | c | 65.89 | c | 57.34 | 34.40 | 37.00 | 53.62 | ||||||||||
1953 | 46.88 | a | 43.64 | 48.24 | d | 52.82 | 58.33 | a | 63.72 | 73.44 | d | 70.98 | a | 65.75 | 54.00 | a | ----- | z | 41.18 | a | 56.27 | a | ||||
1954 | 34.29 | 41.45 | 41.81 | b | 52.30 | 60.98 | a | 66.68 | p | 71.47 | a | 68.98 | 62.27 | 50.15 | 46.68 | 33.90 | 51.30 | a | ||||||||
1955 | 34.63 | 38.59 | 41.31 | 48.67 | 57.68 | 69.15 | 70.89 | 71.24 | 63.81 | a | 53.11 | 35.53 | 33.47 | a | 51.51 | |||||||||||
1956 | 33.11 | 29.59 | 45.20 | a | 55.23 | 63.79 | 65.55 | 75.37 | a | 71.06 | 64.08 | 51.29 | 36.85 | 36.50 | 52.30 | |||||||||||
1957 | 17.71 | 37.00 | a | 45.08 | a | 54.83 | a | 63.94 | 69.57 | a | 71.05 | a | 68.13 | a | 65.33 | 51.47 | 40.62 | 41.63 | a | 52.20 | ||||||
1958 | 38.63 | 46.05 | 43.00 | 50.07 | 64.22 | a | 70.53 | 76.40 | 74.10 | 62.98 | 53.40 | 43.35 | 38.31 | 55.09 | ||||||||||||
1959 | 36.18 | 39.73 | 46.48 | 52.78 | 56.98 | a | 67.00 | 73.35 | a | 68.60 | 60.60 | a | 53.56 | 37.05 | 33.55 | 52.16 | ||||||||||
1960 | 25.19 | 39.16 | 44.94 | 52.38 | 56.94 | 66.33 | 75.98 | 68.08 | 63.90 | 53.85 | 43.08 | 30.82 | 51.72 | |||||||||||||
1961 | 36.63 | 46.82 | 47.65 | 52.17 | 58.81 | 71.25 | 75.21 | 75.55 | 59.97 | 50.90 | 34.98 | a | 37.00 | b | 53.91 | |||||||||||
1962 | 32.15 | 37.98 | 42.79 | 54.67 | 55.89 | 65.45 | 71.98 | 69.11 | 62.90 | 52.58 | 45.25 | 38.45 | 52.43 | |||||||||||||
1963 | 26.85 | 40.34 | 45.63 | 49.55 | 59.32 | 67.33 | 69.50 | a | 71.00 | 67.40 | 55.76 | 44.00 | 31.87 | a | 52.38 | |||||||||||
1964 | 39.50 | ----- | z | 44.26 | 50.40 | 57.26 | 64.85 | 71.55 | 67.84 | 64.67 | 53.28 | a | 40.73 | 33.97 | b | 53.48 | a | |||||||||
1965 | 38.15 | a | 43.20 | 42.75 | c | 54.17 | 58.85 | a | 67.07 | 74.19 | 72.50 | 60.90 | 56.18 | 45.80 | 36.19 | b | 54.16 | |||||||||
1966 | 37.57 | a | 40.95 | 46.21 | 53.53 | a | 62.44 | 66.10 | 71.87 | a | 71.65 | a | 67.12 | 54.42 | 44.84 | a | 40.40 | b | 54.76 | |||||||
1967 | 44.15 | 44.11 | 44.90 | 48.15 | 59.94 | 70.32 | 76.14 | b | 77.95 | 69.47 | 55.10 | 42.38 | 36.11 | 55.73 | ||||||||||||
1968 | 38.37 | 43.88 | 48.80 | a | 51.80 | 61.13 | 67.98 | 75.17 | a | 70.26 | 65.30 | 51.15 | 42.55 | 34.67 | a | 54.25 | ||||||||||
1969 | 24.00 | a | 36.09 | 45.40 | a | 51.40 | 63.56 | 71.03 | a | 73.15 | 70.92 | a | 64.58 | 50.63 | 43.35 | 36.45 | 52.55 | |||||||||
1970 | 33.48 | 42.09 | 46.29 | 48.12 | 61.11 | 70.19 | a | 76.23 | a | 72.98 | b | 58.97 | a | 49.74 | 42.33 | 36.53 | 53.17 | |||||||||
1971 | 41.05 | a | 41.11 | 43.15 | 50.95 | a | 61.85 | 63.87 | 74.56 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 53.79 | e | |||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.86 | 38.85 | 46.32 | 53.43 | 61.10 | 68.34 | 75.11 | 72.67 | 64.21 | 53.86 | 41.99 | 35.62 | 53.72 | |||||||||||||
S.D. | 7.21 | 4.85 | 2.59 | 2.72 | 2.85 | 2.56 | 2.59 | 2.63 | 2.44 | 2.50 | 3.22 | 4.19 | 1.36 | |||||||||||||
SKEW | -0.71 | -0.99 | 0.17 | 0.38 | 0.21 | 0.61 | 0.13 | 0.05 | -0.19 | -0.36 | -0.59 | -0.70 | 0.65 | |||||||||||||
MAX | 46.88 | 46.82 | 52.77 | 60.53 | 67.73 | 75.50 | 81.90 | 78.27 | 69.47 | 58.21 | 48.80 | 46.05 | 57.45 | |||||||||||||
MIN | 15.81 | 22.81 | 41.31 | 48.12 | 55.82 | 63.72 | 69.50 | 67.84 | 58.56 | 48.21 | 34.40 | 21.81 | 51.51 | |||||||||||||
YRS | 62 | 65 | 64 | 63 | 63 | 62 | 62 | 61 | 63 | 63 | 62 | 62 | 42 |