YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1891 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 67.98 | b | 56.70 | 53.47 | ----- | z | ----- | z | 59.38 | i | ||
1892 | ----- | z | ----- | z | 48.29 | 48.47 | 55.88 | b | 58.72 | 62.79 | 64.45 | b | 60.70 | b | 49.97 | 45.45 | h | ----- | z | 56.16 | d | |||||
1893 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1894 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1895 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1896 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1897 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1898 | 38.84 | 44.30 | 42.87 | 48.53 | 54.95 | 59.32 | b | 62.76 | 64.95 | 59.72 | a | 50.06 | 43.72 | 39.41 | b | 50.79 | ||||||||||
1899 | ----- | z | 38.07 | 42.47 | 47.15 | 51.06 | 56.67 | 62.95 | 59.11 | ----- | z | 50.27 | 49.70 | 42.47 | 49.99 | b | ||||||||||
1900 | 42.42 | 41.00 | 48.35 | 50.03 | 54.61 | 59.98 | 62.68 | 61.23 | 57.37 | 49.76 | 42.88 | 44.24 | 51.21 | |||||||||||||
1901 | 39.03 | 40.93 | 44.52 | 46.38 | 53.10 | a | 54.42 | d | 59.57 | h | 62.62 | o | 55.73 | 55.48 | h | 46.29 | m | 41.50 | 46.95 | d | ||||||
1902 | 39.88 | j | 43.93 | f | 43.85 | 48.00 | 55.24 | b | 58.60 | 61.87 | a | 62.18 | 57.03 | 52.67 | a | 45.15 | 41.08 | f | 53.84 | c | ||||||
1903 | 41.41 | c | 39.04 | 41.50 | 46.92 | 53.63 | a | 60.45 | a | 60.85 | 62.26 | 56.84 | b | 52.33 | b | 45.02 | 42.00 | 50.19 | ||||||||
1904 | 41.37 | a | 39.38 | 41.90 | 51.37 | 53.80 | a | 58.35 | 62.97 | m | 61.87 | a | 60.27 | q | 52.94 | 48.25 | 43.11 | 49.23 | b | |||||||
1905 | 39.77 | e | 42.70 | a | 48.60 | 51.17 | 54.00 | a | 59.31 | a | 64.12 | a | 62.58 | a | 59.20 | 48.32 | 44.60 | 41.52 | 51.32 | |||||||
1906 | 42.23 | 43.23 | 44.00 | 52.00 | 53.98 | a | 57.92 | 66.58 | 63.34 | 58.22 | 52.94 | 44.85 | c | 42.40 | a | 51.81 | ||||||||||
1907 | 34.29 | b | 41.80 | a | 42.32 | 48.25 | 56.95 | 59.75 | 64.13 | a | 61.52 | 57.05 | a | 51.64 | b | 47.42 | 42.35 | 50.62 | ||||||||
1908 | 41.53 | 41.50 | a | 44.44 | 49.02 | a | 52.08 | 58.62 | 64.34 | 60.94 | 54.53 | 50.08 | 47.82 | 39.98 | 50.41 | |||||||||||
1909 | 34.82 | a | 41.71 | 43.65 | 47.13 | 52.06 | 58.45 | 60.13 | 59.53 | 57.92 | 50.02 | 45.08 | 36.45 | 48.91 | ||||||||||||
1910 | 38.48 | c | 38.24 | a | 46.68 | 48.72 | 54.13 | 56.13 | 60.52 | a | 58.05 | 55.53 | 51.58 | 44.33 | 42.24 | 49.55 | ||||||||||
1911 | 37.69 | 38.52 | 44.23 | 46.00 | 52.88 | a | 56.20 | 62.31 | 59.74 | f | 55.43 | 50.44 | 43.70 | 40.73 | 48.01 | a | ||||||||||
1912 | 41.26 | 42.93 | a | 42.12 | a | 47.07 | 54.84 | 58.28 | 61.15 | 60.26 | 56.78 | 48.31 | 45.23 | 40.77 | a | 49.92 | ||||||||||
1913 | 36.29 | 39.21 | 41.74 | 48.20 | 52.82 | 58.45 | 61.08 | 62.66 | 56.59 | a | 49.19 | 44.83 | a | 41.13 | 49.35 | |||||||||||
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 59.97 | a | 52.12 | a | 42.56 | f | 41.02 | 51.03 | i | |
1916 | 31.03 | 41.59 | b | 44.52 | 48.78 | 51.73 | 58.15 | 60.93 | a | 63.90 | 59.48 | 49.95 | a | 40.72 | a | 37.61 | h | 50.07 | a | |||||||
1917 | 38.44 | 39.67 | b | 41.58 | a | 47.31 | a | 52.87 | a | 57.62 | a | 63.05 | a | 66.21 | 59.88 | e | 53.78 | a | 50.41 | a | 45.48 | b | 51.36 | |||
1918 | 44.57 | a | 41.18 | i | 48.11 | m | 48.95 | 52.27 | a | 60.78 | 62.37 | 62.52 | a | 62.52 | 52.12 | b | 45.69 | a | 40.54 | c | 53.23 | b | ||||
1919 | 40.48 | 40.85 | a | 44.60 | 48.68 | 52.60 | b | 56.50 | a | 61.82 | c | 61.63 | 58.72 | 46.95 | b | 45.06 | f | 34.98 | f | 51.28 | b | |||||
1920 | 38.75 | c | 39.38 | 43.84 | 45.53 | 51.13 | 57.61 | c | 63.45 | b | 63.80 | a | 57.39 | b | 50.26 | b | 46.27 | b | 42.29 | b | 49.98 | |||||
1921 | 40.46 | c | 42.29 | 44.75 | a | 46.70 | c | 53.85 | d | 58.78 | c | 60.73 | 62.42 | a | 56.02 | 52.10 | e | 44.32 | 38.11 | d | 50.04 | |||||
1922 | 35.52 | b | 38.62 | c | 39.87 | a | 45.14 | b | 51.14 | c | 58.64 | a | 63.76 | 62.92 | 60.22 | a | 52.25 | a | 42.55 | 37.10 | f | 50.06 | a | |||
1923 | 40.19 | b | 37.39 | 43.52 | b | 50.75 | 54.37 | 60.23 | 64.29 | 65.12 | a | 60.78 | c | 54.42 | a | 47.59 | c | 42.27 | a | 51.74 | ||||||
1924 | 40.72 | b | 45.77 | e | 43.71 | 48.48 | a | 55.84 | b | 59.21 | b | 62.86 | c | 60.80 | c | 58.45 | b | 51.15 | e | 43.65 | j | 37.27 | a | 51.30 | a | |
1925 | 41.93 | b | 44.61 | a | 45.48 | d | 50.11 | b | 60.37 | l | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 43.14 | w | ----- | z | 45.53 | h |
1926 | 41.95 | 46.32 | 49.74 | 54.97 | 56.92 | a | 61.92 | 64.85 | 63.98 | a | 57.10 | 53.97 | 48.26 | a | 40.13 | 53.34 | ||||||||||
1927 | 39.37 | d | 42.25 | 43.61 | 48.40 | 51.77 | 60.73 | 63.69 | 64.35 | 58.30 | 52.61 | 44.48 | 37.00 | 50.55 | ||||||||||||
1928 | 41.27 | 42.31 | 47.69 | 48.80 | 56.52 | 58.92 | 63.81 | 61.73 | 57.62 | 51.19 | 45.52 | 39.79 | 51.26 | |||||||||||||
1929 | 34.21 | 35.00 | 44.61 | 46.05 | a | 53.21 | 57.67 | 61.69 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 47.49 | e | ||||||
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | 47.75 | y | 43.57 | 45.65 | a | 51.66 | b | 56.97 | 58.93 | a | 63.43 | q | 63.00 | 58.19 | c | 46.71 | l | 39.11 | u | 39.75 | a | 52.21 | d | |||
1932 | 37.30 | a | 39.54 | f | 44.03 | p | 50.02 | i | 53.24 | d | 60.38 | d | 60.98 | b | 61.29 | q | 57.08 | r | 54.56 | o | 45.05 | t | 41.58 | y | 52.98 | h |
1933 | 37.84 | f | 36.04 | e | 43.44 | e | 47.80 | g | 49.68 | t | 58.25 | x | 60.07 | j | 64.29 | c | 55.11 | u | 53.37 | p | 46.00 | u | ----- | z | 47.92 | i |
1934 | 43.59 | h | 47.17 | y | 48.66 | c | 52.84 | h | 55.56 | 59.10 | a | 61.38 | k | 61.29 | q | 60.11 | u | 52.10 | f | 46.81 | d | 40.14 | q | 52.53 | h | |
1935 | 39.62 | f | 42.86 | c | 41.69 | d | 47.54 | b | 53.71 | c | 58.67 | i | 61.59 | d | 59.84 | 59.82 | m | 45.81 | b | 37.37 | k | 39.93 | c | 49.12 | d | |
1936 | ----- | z | 31.89 | g | 41.86 | b | 51.12 | b | 55.70 | h | 60.17 | a | 61.87 | a | 63.64 | f | 56.90 | e | ----- | z | 44.70 | h | 42.09 | b | 52.34 | f |
1937 | 28.94 | 39.05 | h | 45.63 | 46.96 | b | 53.67 | d | 60.15 | c | 62.08 | a | 60.98 | 60.20 | g | 53.84 | b | 46.28 | c | 41.89 | h | 50.95 | c | |||
1938 | 39.85 | a | 41.41 | a | 43.64 | b | 50.97 | a | 54.31 | b | 59.88 | 64.07 | a | 60.65 | 60.66 | e | 51.58 | a | 42.59 | b | 41.53 | 50.93 | ||||
1939 | 41.76 | b | 38.06 | b | 43.87 | 48.37 | o | ----- | z | ----- | z | 63.46 | f | 63.47 | 57.91 | a | 52.23 | a | 48.81 | d | 45.27 | g | 49.44 | e | ||
1940 | 41.81 | 44.09 | b | 48.31 | 51.93 | a | 56.44 | 60.77 | o | 63.60 | 63.35 | 61.43 | b | 54.80 | a | 41.93 | 43.28 | b | 51.91 | a | ||||||
1941 | 42.68 | 45.43 | 50.62 | a | 52.60 | a | 55.60 | a | 60.09 | a | 66.68 | 63.48 | a | 57.37 | 52.82 | a | 47.93 | a | 41.74 | 53.09 | ||||||
1942 | 39.85 | 41.28 | a | 45.42 | 51.43 | 55.72 | a | 58.88 | 66.58 | a | 66.00 | e | 59.43 | c | 54.17 | a | 42.93 | b | 42.35 | a | 52.00 | |||||
1943 | 33.98 | b | 43.85 | a | 44.14 | c | 51.50 | d | 53.55 | b | 58.47 | a | 63.07 | a | 62.52 | b | 61.23 | 50.42 | r | 46.42 | 40.82 | 50.87 | a | |||
1944 | 40.12 | a | 41.72 | b | 43.25 | c | 50.32 | 56.29 | l | 59.93 | b | 66.56 | g | 65.48 | a | 61.24 | a | 55.81 | 44.94 | c | 39.15 | d | 50.20 | b | ||
1945 | 42.18 | l | 42.59 | 43.42 | 47.16 | a | 56.45 | a | 58.08 | 63.20 | a | 62.15 | 56.80 | b | 51.65 | h | 43.58 | l | 40.62 | a | 52.27 | c | ||||
1946 | 40.03 | b | 42.37 | b | 44.23 | 48.36 | a | 56.95 | a | 58.50 | c | 63.22 | b | 62.21 | c | 58.05 | a | 46.80 | f | 40.35 | g | 38.04 | c | 51.20 | b | |
1947 | 36.66 | i | 43.69 | j | 46.43 | h | 49.39 | h | 55.47 | 56.94 | n | ----- | z | 60.29 | q | 57.06 | m | 54.33 | h | 45.89 | h | 44.17 | b | 49.82 | j | |
1948 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 62.27 | 62.66 | 62.34 | 56.63 | c | 50.60 | 42.62 | b | 36.76 | 53.41 | e | |||||
1949 | 31.95 | 37.89 | 45.58 | 51.29 | a | 57.31 | 58.97 | 61.77 | 63.43 | b | 60.53 | a | 48.95 | 49.96 | b | 39.70 | a | 50.61 | ||||||||
1950 | 27.34 | 40.79 | 43.06 | 47.97 | 51.93 | a | 61.42 | 63.28 | a | 64.44 | 59.20 | 50.68 | a | 44.63 | 45.56 | 50.03 | ||||||||||
1951 | 38.29 | 41.54 | 40.47 | b | 51.08 | 54.73 | 62.48 | c | 64.98 | b | 62.77 | 59.66 | a | 51.53 | a | 45.23 | 37.45 | 50.85 | ||||||||
1952 | 37.61 | 41.98 | 43.50 | a | 50.20 | 54.92 | 57.77 | 64.13 | 64.68 | 61.20 | 54.31 | b | 43.23 | 42.27 | 51.32 | |||||||||||
1953 | 45.00 | 42.07 | 44.14 | i | 48.72 | 54.69 | 57.63 | 63.35 | 63.95 | 60.12 | 54.06 | 47.28 | 43.04 | f | 53.69 | b | ||||||||||
1954 | 36.52 | h | 43.86 | 42.48 | a | 47.47 | 54.89 | 56.87 | 59.75 | a | 61.11 | 59.10 | 50.78 | a | 49.07 | 41.97 | b | 51.58 | a | |||||||
1955 | 40.26 | 39.85 | a | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.05 | j | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 38.75 | 41.27 | 44.36 | 49.01 | 54.21 | 58.91 | 62.88 | 62.76 | 58.46 | 51.53 | 45.59 | 40.96 | 50.85 | |||||||||||||
S.D. | 3.86 | 2.50 | 2.39 | 2.11 | 1.73 | 1.60 | 1.62 | 1.94 | 1.88 | 2.12 | 2.34 | 2.19 | 1.06 | |||||||||||||
SKEW | -1.14 | -0.29 | 0.74 | 0.42 | -0.02 | -0.10 | 0.38 | 0.07 | 0.09 | -0.38 | 0.21 | -0.19 | 0.53 | |||||||||||||
MAX | 45.00 | 46.32 | 50.62 | 54.97 | 57.31 | 62.48 | 66.68 | 67.98 | 62.52 | 55.81 | 50.41 | 45.56 | 53.34 | |||||||||||||
MIN | 27.34 | 35.00 | 39.87 | 45.14 | 51.06 | 54.42 | 59.75 | 58.05 | 54.53 | 45.81 | 40.72 | 36.45 | 48.91 | |||||||||||||
YRS | 44 | 47 | 50 | 49 | 49 | 49 | 46 | 48 | 47 | 45 | 41 | 43 | 25 |