YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1916 | ----- | z | ----- | z | ----- | z | 44.37 | 47.00 | 53.63 | 57.87 | 60.23 | 52.90 | 41.13 | 31.60 | 29.87 | 46.51 | c | |||||||||
1917 | 29.61 | 32.64 | 33.35 | 40.86 | a | 49.00 | 53.73 | 62.35 | 62.10 | 55.27 | 44.42 | 36.57 | b | 40.29 | 45.02 | |||||||||||
1918 | 37.52 | 31.36 | 36.07 | a | 44.32 | b | 47.42 | 58.13 | 60.74 | 58.13 | 56.33 | 48.00 | a | 36.03 | 32.55 | 45.55 | ||||||||||
1919 | 26.29 | 33.29 | 37.68 | 42.76 | a | 47.61 | 52.47 | 60.16 | 60.13 | 51.27 | 41.19 | 35.13 | 21.88 | e | 42.49 | |||||||||||
1920 | 28.97 | 30.36 | a | 37.27 | a | 40.20 | 45.65 | 53.80 | 61.48 | 60.68 | 51.90 | 43.94 | 33.45 | a | 33.39 | 43.42 | ||||||||||
1921 | 30.77 | a | 33.70 | a | 38.73 | a | 40.80 | 48.20 | a | 56.73 | 58.29 | 59.81 | 49.53 | 43.90 | a | 33.69 | a | 26.00 | 43.35 | |||||||
1922 | 19.62 | b | 26.85 | a | 33.68 | c | 40.00 | 46.29 | 58.20 | 61.19 | 60.58 | 52.47 | 46.16 | 35.80 | 23.60 | a | 42.04 | |||||||||
1923 | 34.03 | 26.18 | 37.48 | b | 44.13 | 48.70 | a | 52.50 | 62.10 | a | 62.65 | 54.24 | a | 43.71 | 37.97 | a | 31.14 | b | 44.57 | |||||||
1924 | 24.68 | 36.96 | a | 38.42 | 43.20 | 51.90 | 53.87 | 61.00 | 60.55 | 51.53 | 44.52 | 36.33 | 26.85 | e | 44.15 | |||||||||||
1925 | 33.55 | 37.48 | a | 38.45 | 44.86 | b | 50.77 | 54.75 | b | 63.71 | 58.16 | 53.90 | a | 45.17 | a | 36.77 | 35.71 | 46.11 | ||||||||
1926 | 34.13 | 37.89 | 38.97 | b | 46.70 | 49.00 | 59.70 | 63.52 | 61.35 | 49.70 | 43.48 | 29.77 | 22.57 | a | 44.73 | |||||||||||
1927 | 20.45 | b | 34.67 | a | 37.52 | 40.77 | 47.39 | 57.86 | a | 61.58 | 61.80 | a | 51.93 | 45.84 | 40.03 | a | 25.65 | 43.79 | ||||||||
1928 | 26.45 | 30.66 | 39.93 | a | 41.37 | 51.10 | 55.63 | 61.48 | b | 59.58 | 53.00 | a | 44.77 | a | 36.90 | a | 29.93 | b | 44.23 | |||||||
1929 | 22.65 | 18.78 | a | 39.37 | a | 40.33 | 48.06 | 53.72 | a | 57.90 | 62.00 | 50.80 | 42.97 | 29.45 | a | 34.07 | a | 41.67 | ||||||||
1930 | 10.80 | a | 34.78 | a | 39.29 | 46.38 | a | 48.77 | 52.87 | 61.16 | 62.55 | 54.63 | 42.26 | 35.79 | a | 33.00 | 43.52 | |||||||||
1931 | 33.32 | 33.25 | 37.61 | 43.37 | 51.94 | 55.80 | 61.16 | 60.06 | 54.53 | 43.35 | 32.67 | 25.90 | b | 44.41 | ||||||||||||
1932 | 29.18 | c | 29.17 | 39.59 | d | 43.60 | 48.59 | d | 56.17 | 57.29 | 59.65 | 51.66 | a | 46.30 | a | 39.13 | 24.71 | 43.75 | ||||||||
1933 | 29.32 | 25.29 | 36.19 | 38.10 | 44.74 | d | 54.40 | 59.53 | a | 59.45 | 48.52 | e | 42.20 | f | 36.04 | f | 36.46 | c | 43.20 | b | ||||||
1934 | 34.62 | e | 34.95 | i | 38.47 | l | 45.90 | a | 49.39 | c | 56.24 | a | 59.77 | a | 60.67 | a | 50.83 | f | 44.88 | f | 40.70 | j | 33.85 | e | 48.63 | e |
1935 | 29.94 | m | 31.64 | c | 32.09 | i | 39.20 | 47.23 | a | 54.35 | m | 59.00 | e | 57.21 | b | 53.86 | a | 39.26 | h | 29.40 | e | 31.60 | f | 45.36 | e | |
1936 | 32.17 | h | 16.48 | h | 35.65 | h | 46.03 | 50.62 | b | 56.97 | a | 61.73 | a | 61.22 | d | 50.38 | a | 41.93 | a | 24.57 | b | 31.77 | 47.25 | c | ||
1937 | 9.23 | a | 24.19 | a | 38.00 | 41.77 | 48.32 | 55.50 | 61.29 | 57.74 | 54.52 | a | 45.39 | 39.48 | a | 34.35 | 42.48 | |||||||||
1938 | 32.77 | 32.22 | a | 36.39 | 44.00 | 47.58 | e | 57.57 | 63.29 | 57.16 | 55.34 | a | 42.32 | 31.47 | 29.26 | 44.11 | ||||||||||
1939 | 31.03 | a | 31.00 | a | 39.06 | 43.73 | 50.40 | a | 54.80 | 61.32 | 58.06 | 52.30 | 43.52 | 29.80 | 33.27 | a | 44.03 | |||||||||
1940 | 27.39 | 35.10 | 40.55 | 46.20 | 51.29 | 58.37 | 62.68 | 60.48 | 57.00 | 47.03 | 32.23 | 28.74 | 45.59 | |||||||||||||
1941 | 30.03 | b | 31.04 | a | 36.27 | a | 44.67 | 49.00 | a | 55.73 | 65.06 | 61.29 | 52.37 | 44.83 | a | 34.33 | 31.81 | 44.70 | ||||||||
1942 | 20.65 | 31.39 | 32.42 | 41.90 | 46.77 | 54.30 | 62.29 | 58.68 | 52.63 | 42.29 | 34.93 | a | 33.48 | 42.64 | ||||||||||||
1943 | 19.97 | 31.71 | 33.23 | 43.30 | 46.77 | 53.33 | 60.74 | 58.00 | 51.27 | 43.42 | 36.03 | 29.84 | 42.30 | |||||||||||||
1944 | 27.77 | 29.90 | 32.48 | 41.00 | 47.61 | 53.80 | 60.87 | a | 58.61 | 52.33 | 44.94 | 36.23 | 30.94 | 43.04 | ||||||||||||
1945 | 34.37 | a | 33.96 | 35.74 | 41.87 | 51.35 | 54.60 | 61.19 | 60.83 | a | 50.20 | 43.42 | 35.13 | 29.39 | 44.34 | |||||||||||
1946 | 30.35 | 31.89 | 36.16 | 41.53 | 47.58 | 54.13 | 57.42 | 58.10 | 53.03 | 42.06 | 31.10 | 33.39 | 43.06 | |||||||||||||
1947 | 25.10 | a | 33.48 | a | 38.37 | a | 45.45 | a | 50.69 | b | 54.47 | 59.39 | 57.70 | a | 54.23 | 47.00 | 39.50 | 33.03 | 44.87 | |||||||
1948 | 29.23 | 27.17 | 34.81 | 41.90 | 48.80 | a | 58.57 | 57.43 | a | 56.55 | 51.13 | 40.94 | 36.43 | 27.29 | 42.52 | |||||||||||
1949 | 12.74 | 28.32 | 37.90 | 44.37 | 52.00 | 54.87 | 60.17 | a | 60.32 | 54.23 | 39.97 | 38.73 | 33.35 | 43.08 | ||||||||||||
1950 | 14.58 | 30.00 | d | 35.97 | 40.30 | 46.90 | 54.60 | 60.03 | 60.10 | 51.50 | 42.71 | 35.83 | 34.97 | 42.29 | ||||||||||||
1951 | 28.68 | 30.07 | 33.13 | 40.60 | 46.77 | 53.83 | 56.87 | 55.10 | 49.40 | 44.29 | q | 35.60 | 29.48 | 41.78 | a | |||||||||||
1952 | 23.97 | 31.24 | 36.26 | 41.07 | 49.87 | 55.47 | 61.03 | 60.74 | 53.77 | 44.97 | 28.17 | 31.16 | 43.14 | |||||||||||||
1953 | 37.19 | 34.61 | 36.77 | 40.87 | 46.42 | 52.47 | 59.19 | 58.71 | 52.37 | 42.26 | 36.13 | 33.48 | 44.21 | |||||||||||||
1954 | 24.16 | 33.68 | 31.61 | 41.43 | 49.06 | 52.93 | 58.29 | 58.77 | 53.47 | 41.03 | 41.93 | 30.50 | a | 43.07 | ||||||||||||
1955 | 32.94 | 31.43 | 33.19 | 40.07 | 47.87 | 56.63 | 58.45 | 59.65 | 53.77 | 45.06 | 32.33 | 31.21 | b | 43.55 | ||||||||||||
1956 | 31.17 | a | 25.43 | a | 37.26 | 44.53 | 52.23 | 53.17 | 60.39 | 59.35 | 52.33 | 42.26 | 34.00 | 31.39 | 43.62 | |||||||||||
1957 | 14.19 | 28.93 | 37.26 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 26.79 | i | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.76 | 31.07 | 36.64 | 42.63 | 48.70 | 55.16 | 60.50 | 59.62 | 52.64 | 43.74 | 34.63 | 30.74 | 43.70 | |||||||||||||
S.D. | 7.27 | 3.84 | 2.35 | 2.20 | 1.91 | 1.90 | 1.92 | 1.70 | 1.92 | 1.91 | 3.65 | 3.93 | 1.07 | |||||||||||||
SKEW | -0.81 | -0.82 | -0.52 | 0.14 | 0.24 | 0.58 | -0.00 | -0.37 | 0.03 | 0.19 | -0.49 | -0.33 | 0.21 | |||||||||||||
MAX | 37.52 | 37.89 | 40.55 | 46.70 | 52.23 | 59.70 | 65.06 | 62.65 | 57.00 | 48.00 | 41.93 | 40.29 | 46.11 | |||||||||||||
MIN | 9.23 | 18.78 | 31.61 | 38.10 | 44.74 | 52.47 | 56.87 | 55.10 | 48.52 | 39.97 | 24.57 | 21.88 | 41.67 | |||||||||||||
YRS | 39 | 39 | 38 | 41 | 41 | 40 | 41 | 41 | 40 | 37 | 39 | 40 | 35 |