YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 49.88 | r | 41.58 | d | 20.73 | a | 31.16 | j |
1912 | 26.55 | 30.31 | 33.66 | 38.00 | 47.72 | a | 56.60 | 60.73 | 60.67 | a | 51.32 | 44.63 | 37.15 | j | 24.81 | b | 43.18 | a | ||||||||
1913 | 24.03 | a | 25.39 | 28.07 | a | 40.38 | 49.35 | 56.98 | d | 62.20 | a | 60.94 | 52.30 | ----- | z | ----- | z | ----- | z | 44.41 | c | |||||
1914 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 39.48 | 31.50 | 25.53 | 32.17 | i | |||
1917 | 18.40 | 22.89 | a | 28.03 | 38.50 | 43.16 | 56.60 | a | 62.29 | e | 60.53 | 54.87 | 44.11 | 37.37 | c | 29.76 | 41.38 | |||||||||
1918 | 16.44 | 24.38 | 34.11 | 38.37 | 45.84 | 59.55 | 60.75 | a | 58.44 | 53.25 | d | ----- | z | ----- | z | ----- | z | 43.46 | c | |||||||
1919 | ----- | z | ----- | z | ----- | z | 45.15 | 52.50 | t | 58.74 | e | 65.50 | l | 61.63 | p | 58.19 | l | ----- | z | 34.95 | t | 27.94 | w | 51.95 | j | |
1920 | 31.50 | u | 29.67 | w | 34.00 | v | 34.40 | 49.50 | k | 57.48 | h | 63.54 | r | 58.94 | n | 52.85 | c | 37.40 | j | 34.14 | i | 24.72 | m | 43.63 | j | |
1921 | 27.66 | b | 32.73 | 46.72 | f | 38.52 | 48.30 | k | 60.85 | 63.55 | 60.77 | 56.53 | 50.32 | 36.90 | 32.48 | 46.03 | b | |||||||||
1922 | 23.05 | 32.00 | 33.71 | 38.30 | 47.55 | 58.70 | 65.23 | 64.66 | 60.13 | 45.36 | b | 27.27 | 29.50 | 43.79 | ||||||||||||
1923 | 30.76 | 25.68 | 32.90 | 36.17 | 50.05 | 57.97 | 66.23 | a | 60.56 | 54.63 | 36.85 | ----- | z | ----- | z | 45.18 | b | |||||||||
1924 | 21.82 | 33.41 | 30.31 | 37.92 | 52.14 | b | 65.45 | 64.79 | ----- | z | 52.46 | r | 41.05 | k | 30.38 | 19.69 | 39.55 | c | ||||||||
1925 | 17.56 | 32.18 | 36.16 | 44.13 | ----- | z | ----- | z | 66.26 | l | 60.15 | 55.38 | j | 45.37 | h | 33.00 | f | 27.02 | j | 38.04 | g | |||||
1926 | 20.48 | 30.12 | d | 35.82 | l | 41.75 | f | 49.15 | e | 61.43 | i | 60.87 | h | 63.10 | g | 51.72 | u | 46.36 | j | 36.66 | b | 21.45 | l | 34.11 | h | |
1927 | ----- | z | 32.04 | e | 34.12 | c | 44.67 | l | 50.83 | g | 57.08 | f | 64.73 | c | 59.97 | a | 56.29 | w | 45.12 | k | 35.29 | k | 17.70 | k | 47.72 | h |
1928 | 18.85 | r | 24.60 | 37.69 | o | 41.07 | w | 48.45 | i | 60.34 | k | ----- | z | ----- | z | 56.25 | v | ----- | z | 34.52 | c | 23.88 | o | 29.56 | j | |
1929 | 21.78 | o | 20.66 | 31.57 | a | 39.72 | a | 50.11 | d | 59.55 | a | 63.47 | o | ----- | z | 54.90 | a | 45.22 | b | 28.97 | m | 34.53 | m | 43.11 | e | |
1930 | 17.67 | h | 30.29 | 32.39 | 46.19 | c | 44.68 | f | 61.76 | c | 62.98 | b | 61.90 | j | 54.34 | b | 43.59 | c | 29.42 | d | 23.61 | m | 45.12 | d | ||
1931 | 21.11 | d | 28.46 | b | 30.28 | b | 43.88 | f | 49.79 | j | 59.57 | c | 66.57 | h | 61.81 | g | 56.39 | h | 47.52 | i | 26.90 | i | 15.92 | y | 34.86 | h |
1932 | 15.42 | r | 28.36 | h | 31.88 | a | 44.12 | j | 49.52 | j | 60.88 | q | 65.61 | i | 64.74 | d | 55.58 | l | 41.21 | x | 35.52 | j | 25.50 | m | 48.31 | j |
1933 | 21.24 | j | 17.35 | d | 33.95 | u | 39.71 | d | 48.66 | b | 62.13 | 67.69 | 64.98 | d | 62.60 | 52.34 | l | 40.11 | l | 31.77 | c | 49.36 | d | |||
1934 | 29.08 | 35.86 | 41.42 | 45.55 | a | 56.35 | a | 59.77 | 69.23 | 65.69 | b | 56.43 | b | 49.29 | b | 44.00 | m | 29.25 | e | 48.90 | a | |||||
1935 | 26.32 | 28.23 | 33.92 | 42.93 | c | 47.43 | h | 59.74 | a | 65.18 | 63.84 | 58.06 | c | 46.02 | e | 34.18 | e | 20.83 | e | 43.57 | a | |||||
1936 | 17.00 | p | 18.79 | v | 29.59 | i | 38.17 | f | 51.40 | f | 59.24 | i | 64.17 | j | 65.34 | i | ----- | z | 46.74 | h | 35.12 | b | 28.88 | g | 35.12 | k |
1937 | 14.21 | g | 25.19 | b | 30.91 | n | 42.42 | l | 53.56 | o | 65.20 | y | 64.76 | n | ----- | z | ----- | z | ----- | z | 36.38 | v | 32.03 | o | 25.19 | k |
1938 | 26.09 | i | 31.43 | f | 39.13 | d | 38.62 | m | 47.67 | m | 58.58 | f | 63.82 | q | 62.76 | n | 58.42 | l | 40.50 | l | 29.04 | f | 27.00 | g | 39.13 | k |
1939 | 23.79 | n | 22.32 | q | 30.50 | l | 33.44 | m | 58.82 | l | 59.38 | j | 63.89 | c | 65.06 | m | 57.61 | k | 44.93 | q | 33.72 | u | 31.79 | n | 63.89 | k |
1940 | 26.29 | g | 28.52 | 37.75 | a | 44.88 | 53.16 | 62.47 | 66.79 | c | 64.50 | a | 55.50 | k | 46.42 | 31.93 | b | 30.21 | 46.66 | b | ||||||
1941 | 22.98 | 29.07 | 32.27 | 38.68 | 50.79 | 55.57 | 63.67 | g | 63.13 | h | 55.04 | b | 43.18 | i | 34.55 | 28.16 | 38.57 | c | ||||||||
1942 | 24.23 | 23.17 | b | 28.35 | d | 43.07 | c | 48.66 | f | 63.58 | j | 69.92 | k | 62.71 | e | 56.02 | c | 46.38 | j | 37.26 | c | 29.38 | c | 38.02 | d | |
1943 | 28.06 | f | 32.02 | a | 35.78 | f | 46.92 | l | 54.39 | d | ----- | z | 65.69 | w | 63.72 | h | 55.95 | i | 47.26 | j | 37.40 | d | 26.35 | g | 41.27 | i |
1944 | 21.31 | 25.46 | b | 28.82 | 39.07 | 47.52 | 56.37 | 64.13 | a | 64.57 | b | 59.50 | w | 47.82 | 30.32 | 24.97 | a | 40.94 | a | |||||||
1945 | 23.58 | 31.18 | 32.83 | a | 48.30 | t | 54.71 | 57.78 | a | 64.67 | a | 64.97 | a | 56.55 | 48.74 | 34.20 | 19.95 | t | 46.92 | b | ||||||
1946 | 21.48 | 25.69 | a | 36.13 | a | 47.75 | 48.95 | 60.47 | 64.18 | c | 62.66 | 57.58 | 43.28 | a | 32.33 | 33.71 | l | 45.50 | a | |||||||
1947 | 21.35 | g | 32.02 | c | 36.78 | a | 41.52 | 52.78 | d | 58.38 | j | 65.09 | o | 58.64 | b | 58.57 | b | 48.80 | k | 30.38 | q | ----- | z | 46.72 | f | |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 23.16 | 28.11 | 33.24 | 40.86 | 50.13 | 59.33 | 64.40 | 62.31 | 55.89 | 45.08 | 34.05 | 26.93 | 42.58 | |||||||||||||
S.D. | 3.87 | 4.36 | 3.54 | 3.57 | 3.34 | 2.44 | 2.22 | 2.37 | 2.83 | 3.66 | 3.55 | 4.21 | 1.71 | |||||||||||||
SKEW | 0.19 | -0.48 | 0.41 | 0.30 | -0.01 | 0.60 | 0.26 | -0.10 | 0.59 | -0.73 | 0.04 | -0.51 | 0.00 | |||||||||||||
MAX | 30.76 | 35.86 | 41.42 | 47.75 | 56.35 | 65.45 | 69.23 | 65.69 | 62.60 | 50.32 | 41.58 | 32.48 | 43.79 | |||||||||||||
MIN | 16.44 | 17.35 | 28.03 | 34.40 | 43.16 | 55.57 | 60.73 | 58.44 | 51.32 | 36.85 | 27.27 | 19.69 | 41.38 | |||||||||||||
YRS | 18 | 27 | 23 | 22 | 18 | 20 | 18 | 19 | 18 | 14 | 18 | 14 | 2 |