YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 31.54 | c | 25.53 | 28.53 | j | |
1924 | 17.53 | 26.62 | 25.26 | 33.47 | a | 40.42 | 47.80 | 51.02 | 56.63 | 47.03 | 38.81 | 28.73 | 15.48 | c | 35.73 | |||||||||||
1925 | 16.45 | 25.11 | 32.89 | 33.33 | 40.98 | 49.27 | 53.06 | 52.50 | h | 49.18 | ----- | z | 27.78 | 21.33 | a | 34.94 | b | |||||||||
1926 | ----- | z | 30.34 | 31.50 | 38.42 | 43.87 | 51.92 | 56.89 | 56.05 | 53.15 | 46.11 | 35.12 | 19.26 | 42.06 | a | |||||||||||
1927 | 24.13 | 27.64 | 29.42 | a | 38.80 | 47.63 | 54.30 | 57.52 | 53.97 | 51.20 | 39.55 | 34.42 | 18.73 | 39.77 | ||||||||||||
1928 | 23.53 | b | 23.64 | 33.05 | 38.66 | a | 47.24 | 55.02 | 60.34 | 54.52 | 49.68 | 43.40 | 29.45 | 18.91 | b | 39.79 | ||||||||||
1929 | 20.17 | a | 19.52 | c | 30.45 | 39.48 | a | 47.23 | 56.68 | e | 61.21 | q | 56.92 | 51.72 | 40.34 | b | 25.22 | 25.10 | 37.53 | a | ||||||
1930 | 19.29 | 28.79 | ----- | z | 42.55 | 44.11 | 56.77 | 58.68 | c | 57.35 | 49.87 | 40.77 | 27.65 | 17.24 | 40.28 | a | ||||||||||
1931 | 20.58 | 26.66 | 28.35 | 40.63 | 46.61 | 56.73 | d | 60.05 | 59.00 | d | 54.04 | c | 42.91 | b | 29.14 | b | 20.39 | 40.43 | ||||||||
1932 | 18.38 | b | 28.48 | 28.41 | b | 40.17 | 45.56 | 53.75 | 60.44 | 58.27 | 50.50 | a | 39.23 | a | 33.33 | 19.47 | a | 39.67 | ||||||||
1933 | 18.39 | c | 18.83 | b | 31.95 | 35.17 | a | 45.25 | c | 55.97 | 61.08 | a | 59.57 | a | 54.41 | c | 44.29 | 32.70 | 29.18 | a | 40.57 | |||||
1934 | 23.94 | 32.79 | i | 37.26 | 42.72 | a | 51.77 | 54.95 | b | 61.23 | 60.60 | a | 50.55 | a | 44.29 | 30.62 | a | 24.63 | a | 43.87 | a | |||||
1935 | 24.52 | b | 26.25 | b | 32.32 | 39.83 | 44.10 | 55.09 | a | 60.42 | r | 60.02 | g | 51.76 | c | 41.50 | k | 30.89 | b | 27.20 | i | 38.09 | d | |||
1936 | 21.00 | 29.04 | b | 33.65 | a | 41.60 | a | 51.32 | 58.23 | 61.50 | j | 60.44 | g | 50.55 | 41.68 | 32.97 | 25.57 | b | 38.56 | b | ||||||
1937 | 15.05 | 23.98 | 28.20 | a | 39.30 | 51.35 | a | 54.77 | 60.16 | 60.75 | c | 52.22 | 43.87 | 33.72 | 25.93 | b | 40.77 | |||||||||
1938 | 23.76 | b | 27.86 | 30.39 | d | 39.97 | 45.16 | 56.60 | 57.02 | 58.71 | s | 49.83 | 40.32 | 27.90 | 27.73 | 38.78 | a | |||||||||
1939 | 21.65 | 16.28 | a | 30.55 | a | 40.72 | 46.78 | a | 54.82 | 56.53 | a | 56.31 | 53.10 | 40.45 | 32.25 | 29.45 | 39.91 | |||||||||
1940 | ----- | z | ----- | z | ----- | z | 38.10 | a | 46.73 | 53.03 | 57.21 | 53.95 | 49.28 | 40.90 | 27.38 | 24.72 | b | 43.48 | c | |||||||
1941 | 17.79 | 24.04 | 29.00 | q | ----- | z | ----- | z | ----- | z | 56.34 | ----- | z | 51.46 | e | ----- | z | ----- | z | ----- | z | 37.41 | h | |||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 20.38 | 25.19 | 30.91 | 39.00 | 46.24 | 54.45 | 57.84 | 57.22 | 51.09 | 41.80 | 30.60 | 22.86 | 39.58 | |||||||||||||
S.D. | 3.00 | 4.01 | 2.86 | 2.75 | 3.22 | 2.72 | 2.94 | 2.33 | 1.87 | 2.20 | 2.83 | 4.29 | 1.61 | |||||||||||||
SKEW | -0.08 | -0.90 | 0.19 | -0.87 | 0.12 | -1.12 | -0.88 | 0.07 | -0.04 | 0.42 | -0.11 | -0.06 | -1.97 | |||||||||||||
MAX | 24.52 | 30.34 | 37.26 | 42.72 | 51.77 | 58.23 | 61.23 | 60.75 | 54.41 | 46.11 | 35.12 | 29.45 | 40.77 | |||||||||||||
MIN | 15.05 | 16.28 | 25.26 | 33.33 | 40.42 | 47.80 | 51.02 | 53.95 | 47.03 | 38.81 | 25.22 | 15.48 | 35.73 | |||||||||||||
YRS | 16 | 16 | 15 | 17 | 17 | 17 | 15 | 13 | 18 | 15 | 18 | 17 | 8 |