YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1908 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 64.95 | 72.37 | 69.47 | a | 65.00 | 56.39 | m | 39.00 | l | 36.37 | 61.63 | g | ||||
1909 | ----- | z | 37.15 | b | 39.88 | a | 48.77 | 54.27 | 67.45 | 73.35 | 69.90 | 61.60 | 53.32 | 41.98 | 22.97 | 51.88 | a | |||||||||
1910 | 31.02 | 35.24 | a | 47.29 | 49.55 | 58.50 | 66.93 | 71.40 | 70.66 | 65.35 | 52.47 | 43.42 | 36.92 | 52.40 | ||||||||||||
1911 | 37.00 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 46.16 | o | 36.28 | 21.69 | 31.66 | i | |||
1912 | 27.00 | 33.86 | a | 36.60 | a | 38.59 | g | 53.73 | 65.12 | 70.24 | h | 64.98 | a | 56.65 | 46.60 | 33.79 | b | 23.28 | d | 44.16 | b | |||||
1913 | 14.57 | h | 25.15 | d | 31.53 | 39.62 | a | 59.87 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.04 | h | ||
1914 | ----- | z | ----- | z | ----- | z | 47.26 | a | 57.34 | 65.95 | 67.55 | 68.85 | 63.70 | 51.33 | a | 44.03 | 30.37 | 55.15 | c | |||||||
1915 | 26.00 | 32.14 | 37.79 | 49.31 | a | 52.69 | 62.37 | 68.37 | 68.39 | 60.71 | a | 51.81 | 39.95 | 30.87 | a | 48.37 | ||||||||||
1916 | 30.32 | a | 36.55 | 44.68 | 49.60 | 54.32 | 64.40 | 69.63 | 68.13 | 62.33 | 51.08 | 37.33 | 28.87 | 49.77 | ||||||||||||
1917 | 34.63 | a | 35.29 | 40.02 | a | 47.52 | b | 53.56 | 65.93 | 72.47 | 69.03 | 63.98 | 52.29 | 41.75 | 34.73 | 50.93 | ||||||||||
1918 | 21.58 | a | 32.62 | 42.19 | 46.12 | 52.55 | 68.79 | b | 69.30 | a | 66.80 | a | 62.72 | c | 52.19 | b | 36.69 | a | 25.22 | a | 48.06 | |||||
1919 | 18.15 | 23.55 | 35.13 | 46.05 | b | 54.63 | a | 65.27 | 69.20 | a | 67.78 | a | 60.40 | a | 44.92 | a | 36.43 | c | 31.32 | 46.07 | ||||||
1920 | 30.77 | 35.52 | h | 35.63 | 39.28 | a | 52.60 | b | 59.39 | u | ----- | z | 64.71 | 62.35 | 49.31 | 40.20 | 28.57 | d | 44.82 | c | ||||||
1921 | 35.32 | 36.02 | g | 44.94 | 45.32 | 55.27 | 65.35 | 70.24 | 68.81 | 64.47 | 55.63 | 42.73 | 37.44 | 53.23 | a | |||||||||||
1922 | 29.36 | b | 34.38 | 39.10 | 45.17 | 56.44 | 68.88 | 72.19 | 70.81 | 64.43 | 49.41 | c | 36.63 | 35.90 | 50.22 | |||||||||||
1923 | 35.45 | 35.12 | 37.45 | 47.23 | 56.82 | 63.48 | 71.68 | 67.31 | 64.50 | 48.82 | 41.92 | f | 31.92 | 50.89 | a | |||||||||||
1924 | 28.32 | 37.98 | 36.42 | 46.38 | 57.02 | 67.80 | 71.06 | 70.37 | 63.93 | 52.48 | g | 42.30 | 26.55 | 49.83 | a | |||||||||||
1925 | 22.53 | 38.46 | 43.53 | 50.83 | 59.53 | 64.67 | 71.77 | 67.61 | 61.92 | 52.05 | 38.22 | 32.15 | 50.27 | |||||||||||||
1926 | 25.89 | 37.68 | 41.50 | 48.35 | 55.94 | 66.82 | 69.38 | a | 70.52 | 64.31 | c | 54.95 | b | 42.15 | 28.05 | 50.46 | ||||||||||
1927 | 35.90 | 39.75 | 40.27 | 48.62 | 56.52 | 64.72 | a | 72.63 | 68.74 | 63.02 | b | 52.32 | 44.57 | 28.13 | 51.27 | |||||||||||
1928 | 33.53 | a | 34.86 | 43.84 | 46.78 | 58.56 | 65.20 | 72.31 | 69.58 | 62.06 | d | 54.15 | a | 41.02 | 31.31 | 51.10 | ||||||||||
1929 | 30.77 | 29.34 | 39.63 | 46.10 | a | 56.97 | 66.42 | 70.89 | 69.02 | 64.10 | 53.24 | 37.00 | 35.44 | 49.91 | ||||||||||||
1930 | 27.37 | 38.54 | 39.85 | 52.30 | 53.42 | 68.07 | 71.31 | 70.26 | 62.63 | 52.08 | 37.45 | 29.39 | 50.22 | |||||||||||||
1931 | 26.98 | 37.91 | 41.10 | a | 50.41 | a | 57.34 | 66.80 | 73.57 | b | 70.93 | d | 64.84 | a | 54.29 | 42.48 | j | 20.81 | 51.36 | a | ||||||
1932 | 19.73 | 35.72 | 40.44 | 49.30 | 56.33 | a | 64.38 | 70.92 | 70.26 | 62.22 | a | 51.23 | 41.75 | 24.89 | 48.93 | |||||||||||
1933 | 22.79 | 25.32 | 42.18 | 44.26 | a | 52.13 | 67.07 | 72.55 | 68.77 | 64.50 | 51.76 | 38.10 | a | 33.24 | 48.56 | |||||||||||
1934 | 30.85 | 38.79 | 44.13 | 50.23 | 60.53 | a | 62.78 | 70.18 | 67.97 | 59.60 | 55.40 | 39.33 | 35.07 | a | 51.24 | |||||||||||
1935 | 34.16 | 36.23 | 40.50 | 48.53 | 52.19 | 65.87 | 71.44 | 70.29 | 62.12 | 52.08 | 38.98 | 33.56 | 50.50 | |||||||||||||
1936 | 27.81 | d | 35.16 | 41.60 | 50.47 | 58.87 | 67.57 | 70.96 | c | 69.42 | 59.94 | e | 50.89 | 40.45 | 33.00 | h | 52.10 | a | ||||||||
1937 | 17.29 | 29.69 | a | 38.76 | 46.45 | 56.68 | 63.48 | 69.31 | 70.28 | h | 64.90 | 53.47 | a | 41.89 | c | 35.29 | 47.02 | a | ||||||||
1938 | 33.16 | 36.61 | 40.61 | 48.13 | 53.07 | h | 65.70 | 70.55 | c | 69.67 | h | 62.29 | a | 52.73 | 33.58 | d | 35.76 | f | 49.26 | c | ||||||
1939 | 28.27 | 22.04 | 44.34 | f | 50.85 | 58.47 | 65.27 | 70.00 | b | 69.54 | c | 63.80 | b | 47.61 | 40.73 | 31.46 | g | 51.66 | b | |||||||
1940 | 30.03 | a | 33.64 | a | 42.00 | a | 47.27 | 56.79 | 65.73 | h | 70.23 | 66.24 | 60.37 | 51.18 | a | 36.00 | c | 34.15 | 47.99 | a | ||||||
1941 | 30.83 | b | 36.95 | 39.10 | a | 42.00 | 54.15 | 59.63 | 66.08 | 65.09 | d | 58.33 | 47.05 | a | 35.87 | d | 31.32 | a | 47.20 | |||||||
1942 | 27.00 | 30.61 | 36.85 | 48.72 | 54.23 | 63.70 | 70.11 | 65.81 | 61.37 | c | 48.68 | a | 40.46 | f | 36.52 | 49.42 | a | |||||||||
1943 | 33.92 | f | 39.82 | 42.23 | 52.13 | c | 57.47 | a | 64.25 | 70.15 | g | 70.82 | a | 64.18 | e | 50.93 | i | 40.78 | c | 33.42 | e | 51.68 | c | |||
1944 | 28.77 | 35.48 | 38.11 | 44.93 | 54.95 | 64.00 | 68.97 | 69.15 | 61.60 | 54.16 | 38.65 | 32.13 | 49.24 | |||||||||||||
1945 | 30.98 | a | 37.25 | 37.89 | 45.65 | 55.52 | 61.07 | 70.53 | 70.66 | 61.88 | 52.87 | 39.22 | 27.73 | 49.27 | ||||||||||||
1946 | 27.16 | 32.93 | a | 42.55 | a | 53.97 | 55.52 | 67.53 | 70.35 | d | ----- | z | 63.50 | 49.37 | p | 36.42 | q | 36.92 | e | 50.05 | c | |||||
1947 | 26.61 | 37.96 | 40.97 | 46.28 | 58.10 | 63.07 | 71.39 | ----- | z | 63.93 | 52.29 | 34.38 | m | ----- | z | 51.18 | c | |||||||||
1948 | 30.05 | b | 34.75 | m | 31.60 | 48.53 | 56.53 | a | 65.66 | a | 71.53 | 70.93 | h | 64.74 | e | 52.02 | 35.40 | d | 32.19 | r | 50.67 | c | ||||
1949 | 24.60 | 29.30 | 40.53 | 48.95 | 56.33 | b | 65.13 | c | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 44.14 | f | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 28.60 | 34.14 | 39.96 | 47.62 | 55.97 | 65.30 | 70.72 | 68.73 | 62.67 | 51.59 | 39.25 | 30.93 | 49.70 | |||||||||||||
S.D. | 4.86 | 4.59 | 3.36 | 3.07 | 2.22 | 2.02 | 1.59 | 1.79 | 1.97 | 2.49 | 2.91 | 4.67 | 1.52 | |||||||||||||
SKEW | -0.46 | -1.14 | -0.48 | -0.71 | 0.02 | -0.52 | -0.63 | -0.81 | -0.99 | -0.79 | -0.10 | -0.53 | -0.60 | |||||||||||||
MAX | 37.00 | 39.82 | 47.29 | 53.97 | 60.53 | 68.88 | 73.57 | 70.93 | 65.35 | 55.63 | 44.57 | 37.44 | 52.40 | |||||||||||||
MIN | 17.29 | 22.04 | 31.53 | 39.28 | 52.13 | 59.63 | 66.08 | 64.71 | 56.65 | 44.92 | 33.58 | 20.81 | 46.07 | |||||||||||||
YRS | 37 | 36 | 38 | 39 | 39 | 38 | 36 | 34 | 39 | 35 | 34 | 35 | 20 |