YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 42.26 | 29.77 | 31.60 | a | 34.54 | i | ||
1922 | 19.55 | 23.14 | 29.61 | 33.60 | 41.35 | 50.30 | 58.19 | 57.61 | 46.60 | 34.81 | 25.07 | 24.54 | e | 37.03 | ||||||||||||
1923 | 22.13 | 19.11 | a | 26.65 | 35.33 | 42.84 | 43.73 | 54.77 | 52.90 | 45.93 | 34.45 | 30.63 | 20.68 | 35.76 | ||||||||||||
1924 | 16.94 | 25.93 | 24.48 | 32.60 | 44.32 | 48.67 | 53.81 | 48.39 | 43.30 | 32.00 | 25.00 | 19.52 | 34.58 | |||||||||||||
1925 | 18.74 | 25.75 | 27.97 | 36.83 | 44.48 | 50.57 | 59.65 | 53.65 | 44.23 | 36.58 | 26.47 | 25.00 | 37.49 | |||||||||||||
1926 | 19.24 | f | 27.18 | 30.71 | 41.13 | 41.45 | 51.57 | 54.26 | 52.32 | 41.90 | 37.00 | 28.33 | 22.77 | 38.97 | a | |||||||||||
1927 | 23.23 | 26.79 | 29.83 | a | 31.20 | 37.97 | 45.90 | 53.97 | 51.03 | 42.63 | 32.35 | 27.17 | 15.97 | 34.84 | ||||||||||||
1928 | 17.71 | 20.93 | 29.55 | 28.80 | 40.03 | 41.88 | d | 50.12 | g | 47.61 | 36.93 | 29.42 | 25.80 | 29.37 | a | 31.64 | a | |||||||||
1929 | 26.39 | 15.52 | a | 23.61 | 29.77 | 37.06 | 37.73 | 48.87 | 52.26 | 35.93 | 29.29 | 28.23 | 28.32 | 32.75 | ||||||||||||
1930 | 19.71 | 31.46 | 32.84 | 42.33 | 43.03 | 55.50 | 57.77 | 58.90 | 48.80 | 39.03 | 31.34 | a | 21.71 | 40.20 | ||||||||||||
1931 | 26.68 | 32.71 | 31.61 | 39.43 | 47.63 | a | 53.47 | 65.10 | 61.48 | 48.77 | 41.19 | 27.50 | b | 20.68 | 41.35 | |||||||||||
1932 | 16.07 | a | 28.34 | 30.23 | 35.40 | 45.45 | 51.10 | 58.39 | 56.61 | 50.20 | 38.71 | 33.93 | 19.77 | 38.68 | ||||||||||||
1933 | 19.65 | 12.29 | 31.13 | 35.93 | 41.35 | 50.82 | b | 64.97 | 59.39 | 49.63 | 45.19 | 32.37 | 26.94 | 39.14 | ||||||||||||
1934 | 29.13 | 31.25 | 37.52 | 42.14 | a | 47.60 | a | 48.73 | 61.65 | 67.29 | 58.24 | a | 40.59 | b | 42.20 | 29.71 | 44.67 | |||||||||
1935 | 25.45 | 31.11 | 27.32 | 36.87 | 41.97 | 53.40 | 56.13 | a | 59.41 | b | 50.50 | 37.16 | 27.57 | 25.61 | 39.38 | |||||||||||
1936 | 18.74 | 25.52 | 30.48 | 38.37 | 45.52 | 54.70 | 58.84 | 58.48 | 45.50 | 40.58 | 30.47 | 21.52 | 39.06 | |||||||||||||
1937 | 2.43 | a | 20.00 | a | 30.94 | 33.13 | 41.81 | 48.83 | 60.32 | 57.23 | 49.37 | 40.45 | 29.60 | 24.94 | 36.59 | |||||||||||
1938 | 24.29 | 25.00 | 26.66 | b | 38.23 | 43.32 | 53.03 | 60.29 | 59.48 | 53.97 | 41.84 | 25.97 | 29.32 | 40.12 | ||||||||||||
1939 | 26.35 | 19.46 | 34.29 | 41.33 | 48.94 | 52.77 | 59.84 | 60.42 | 56.63 | 41.19 | 34.97 | 29.29 | 42.12 | |||||||||||||
1940 | 27.87 | 30.07 | a | 36.10 | a | 41.80 | 49.13 | 58.47 | 59.45 | 60.45 | 50.20 | 42.45 | 28.10 | 27.70 | a | 42.65 | ||||||||||
1941 | 28.46 | c | 34.56 | a | 32.97 | b | 36.03 | 46.16 | 49.89 | c | 58.42 | 56.55 | 44.50 | 39.61 | 34.10 | 29.00 | a | 40.85 | ||||||||
1942 | 27.48 | 25.93 | 30.84 | 39.17 | 41.17 | b | 54.85 | c | 62.66 | b | 59.86 | b | 48.00 | f | 43.61 | 32.23 | 28.61 | 40.58 | a | |||||||
1943 | 26.84 | 31.39 | 37.26 | 45.47 | 47.39 | 49.18 | m | 62.70 | u | ----- | z | 57.73 | o | 41.62 | b | 31.89 | b | 29.19 | j | 37.41 | e | |||||
1944 | 23.11 | v | 27.83 | 29.81 | 35.61 | b | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 34.67 | u | ----- | z | 31.08 | i | ||
1945 | 23.53 | n | 28.18 | 29.48 | 33.00 | 39.97 | 53.70 | 67.00 | b | 61.93 | a | 53.77 | 41.81 | 26.90 | 21.39 | 41.56 | a | |||||||||
1946 | 20.55 | 21.41 | a | 30.00 | 38.27 | 43.42 | 52.20 | ----- | z | ----- | z | ----- | z | 32.48 | ----- | z | ----- | z | 34.05 | e | ||||||
1947 | 17.16 | 28.48 | a | ----- | z | ----- | z | 44.97 | 47.03 | 48.19 | 53.52 | 45.77 | 36.19 | 23.43 | 22.81 | 36.76 | b | |||||||||
1948 | 19.32 | 21.93 | 23.77 | 34.87 | 39.10 | 49.60 | 49.60 | a | 47.39 | 44.07 | 35.90 | 22.77 | 16.84 | 33.76 | ||||||||||||
1949 | 11.90 | 15.04 | 29.90 | 38.93 | 43.68 | 51.93 | 54.55 | 47.29 | 43.27 | 35.23 | 28.83 | 19.32 | 34.99 | |||||||||||||
1950 | 16.00 | 24.93 | 26.94 | 34.50 | 37.13 | 42.90 | 57.32 | 50.39 | 46.30 | 37.13 | 29.43 | 23.84 | 35.57 | |||||||||||||
1951 | 21.39 | 20.96 | 28.63 | a | 38.07 | 44.03 | b | 48.24 | a | 56.58 | 53.83 | a | 42.73 | 35.26 | 26.93 | 21.55 | 36.52 | |||||||||
1952 | 22.13 | 23.34 | 28.73 | a | 40.37 | 40.94 | 44.13 | 53.58 | 54.58 | 46.73 | 33.74 | 23.37 | 24.39 | 36.34 | ||||||||||||
1953 | 25.68 | 22.29 | 26.81 | 33.37 | 37.13 | 46.63 | 60.16 | 51.23 | 43.30 | 34.45 | 28.43 | 18.84 | 35.69 | |||||||||||||
1954 | 21.48 | 28.54 | 28.32 | 37.03 | 45.23 | 48.10 | 56.75 | o | 41.89 | v | ----- | z | ----- | z | 29.67 | o | 23.14 | c | 33.12 | e | ||||||
1955 | 18.79 | c | 21.29 | d | 25.89 | d | 32.75 | f | 42.20 | k | 45.71 | i | 55.90 | k | 61.33 | j | 44.09 | h | 33.54 | r | 24.00 | n | 21.69 | r | 21.99 | i |
1956 | 24.14 | q | 14.67 | t | 25.47 | n | 38.81 | i | 42.00 | i | 48.67 | i | 51.55 | i | 50.00 | a | 43.63 | 35.87 | 20.23 | 20.81 | e | 34.11 | g | |||
1957 | 21.58 | 32.54 | 31.74 | 33.97 | 42.27 | e | 53.47 | 56.13 | 52.20 | f | 43.07 | 33.20 | p | 25.79 | a | 22.73 | a | 36.33 | b | |||||||
1958 | 21.48 | 28.75 | 29.19 | d | 33.62 | a | 43.67 | g | 47.07 | 49.97 | 59.65 | e | 50.45 | j | 36.50 | g | 26.40 | 20.70 | a | 35.20 | c | |||||
1959 | 21.29 | ----- | z | 26.63 | d | 34.93 | 40.17 | g | 51.27 | 58.68 | 55.00 | f | 42.94 | l | 35.12 | g | 23.70 | 23.57 | a | 34.29 | e | |||||
1960 | 23.50 | e | 23.96 | a | 30.14 | c | 36.30 | 39.16 | f | 50.58 | d | 53.72 | b | ----- | z | ----- | z | 35.38 | e | 29.08 | d | 23.87 | p | 35.33 | d | |
1961 | 17.00 | a | ----- | z | 28.48 | ----- | z | ----- | z | ----- | z | ----- | z | 58.64 | q | 41.67 | 36.56 | f | 21.50 | b | 18.97 | 25.52 | g | |||
1962 | 19.33 | a | 28.86 | 21.90 | a | 36.35 | d | 37.57 | c | ----- | z | ----- | z | ----- | z | 44.13 | ----- | z | ----- | z | ----- | z | 31.36 | f | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 21.15 | 25.31 | 29.46 | 36.60 | 42.81 | 49.79 | 57.28 | 55.52 | 46.32 | 37.50 | 28.26 | 23.65 | 37.92 | |||||||||||||
S.D. | 5.17 | 5.22 | 3.43 | 3.67 | 3.40 | 4.29 | 4.60 | 5.02 | 4.98 | 4.04 | 4.21 | 4.01 | 3.07 | |||||||||||||
SKEW | -1.14 | -0.47 | 0.28 | 0.17 | -0.01 | -0.66 | -0.07 | 0.06 | 0.41 | -0.15 | 0.83 | 0.19 | 0.36 | |||||||||||||
MAX | 29.13 | 34.56 | 37.52 | 45.47 | 49.13 | 58.47 | 67.00 | 67.29 | 58.24 | 45.19 | 42.20 | 31.60 | 44.67 | |||||||||||||
MIN | 2.43 | 12.29 | 21.90 | 28.80 | 37.06 | 37.73 | 48.19 | 47.29 | 35.93 | 29.29 | 20.23 | 15.97 | 32.75 | |||||||||||||
YRS | 37 | 38 | 39 | 37 | 34 | 35 | 32 | 31 | 32 | 34 | 37 | 36 | 24 |