YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 58.24 | e | 64.47 | a | 61.10 | 56.98 | 51.00 | m | 42.09 | b | 35.66 | 53.09 | f | |||
1922 | 26.32 | 29.12 | 32.50 | ----- | z | 46.82 | 59.73 | h | 65.52 | a | 63.48 | 61.52 | ----- | z | ----- | z | ----- | z | 46.47 | e | ||||||
1923 | 31.16 | 32.20 | 36.61 | 36.83 | a | 46.45 | j | 46.35 | d | 60.18 | a | 59.18 | 55.57 | 46.68 | a | 39.98 | 31.79 | 43.32 | a | |||||||
1924 | 32.82 | 38.95 | 31.65 | 40.42 | 52.79 | 59.48 | 63.69 | 63.26 | 60.15 | 44.74 | 39.57 | 30.69 | 46.52 | |||||||||||||
1925 | 32.40 | 35.21 | 37.03 | 39.05 | a | 48.05 | b | 55.20 | 64.14 | b | 59.64 | c | 52.25 | j | 45.87 | 38.22 | 39.42 | 44.93 | a | |||||||
1926 | 35.60 | 36.05 | 40.97 | 44.22 | 50.66 | 64.35 | d | 71.20 | d | 67.86 | x | 57.92 | 54.81 | 45.68 | 30.07 | c | 48.32 | a | ||||||||
1927 | 31.67 | b | 32.16 | 34.37 | 39.20 | 47.87 | e | 55.79 | a | 65.27 | 61.44 | 53.25 | 51.61 | 43.53 | 35.11 | 45.94 | ||||||||||
1928 | 38.74 | 38.16 | 41.27 | 42.07 | 51.53 | 57.09 | a | 65.53 | 63.61 | 61.08 | 49.97 | 41.23 | 34.91 | b | 48.77 | |||||||||||
1929 | 34.06 | 32.18 | 37.23 | a | 39.09 | b | 49.45 | 55.20 | 65.63 | 67.32 | 59.16 | b | 55.90 | 47.68 | 44.90 | a | 48.98 | |||||||||
1930 | 32.29 | 42.02 | 42.02 | 45.12 | 43.37 | 59.98 | 65.42 | 64.90 | 55.70 | 52.23 | 44.62 | 39.42 | 48.92 | |||||||||||||
1931 | 38.22 | h | 36.70 | 42.10 | 46.53 | 53.32 | 54.33 | 70.42 | 67.53 | 57.02 | 49.52 | 37.22 | 33.82 | 49.86 | a | |||||||||||
1932 | 29.35 | a | 33.14 | 40.84 | 42.43 | 46.11 | 56.52 | 64.78 | b | 64.32 | 63.55 | 51.90 | 48.90 | 31.60 | 47.79 | |||||||||||
1933 | 30.95 | 32.12 | 38.69 | 40.38 | 40.97 | 54.17 | a | 66.90 | 65.31 | 60.23 | 56.08 | 48.28 | c | 39.47 | 47.80 | |||||||||||
1934 | 42.02 | 40.21 | 49.77 | 49.48 | 53.95 | 53.78 | 65.84 | 66.90 | 61.27 | 50.98 | 42.43 | 37.16 | 51.15 | |||||||||||||
1935 | 33.47 | 36.84 | 34.26 | 41.85 | 46.84 | 60.28 | 62.39 | 65.10 | 62.82 | 50.20 | a | 39.23 | 37.05 | 47.53 | ||||||||||||
1936 | 36.11 | 33.52 | a | 40.92 | 44.28 | 51.35 | 58.40 | 66.76 | 66.73 | 60.02 | 50.03 | 45.93 | 35.73 | 49.15 | ||||||||||||
1937 | 21.73 | 34.48 | 37.92 | 42.68 | 52.00 | 56.82 | 66.50 | 67.39 | 62.90 | 51.98 | 43.28 | 39.89 | 48.13 | |||||||||||||
1938 | 37.27 | 32.29 | 33.44 | 41.70 | 47.13 | 58.25 | 64.89 | 65.24 | 61.63 | 47.05 | 40.63 | 39.76 | 47.44 | |||||||||||||
1939 | 34.90 | 29.27 | 39.53 | 47.35 | 50.93 | c | 55.47 | 63.03 | 66.23 | 58.17 | 49.09 | b | 46.03 | 44.27 | 48.69 | |||||||||||
1940 | 36.44 | 35.52 | 41.19 | 42.92 | 53.10 | 62.28 | 62.52 | 65.71 | 54.50 | 51.08 | 41.20 | 39.56 | 48.83 | |||||||||||||
1941 | 36.16 | 36.54 | 41.70 | a | 38.43 | 49.27 | 54.22 | 63.98 | 59.55 | 54.72 | 44.21 | 45.47 | 34.15 | 46.53 | ||||||||||||
1942 | 37.68 | 32.54 | 39.30 | i | 41.38 | 44.42 | 55.65 | 66.94 | 63.84 | 56.83 | 51.77 | c | 43.75 | 41.36 | b | 48.74 | a | |||||||||
1943 | 38.29 | 38.55 | 39.61 | 44.50 | 49.82 | 50.67 | 62.69 | 60.16 | 61.92 | 49.85 | 44.33 | 37.10 | 48.13 | |||||||||||||
1944 | 34.71 | 30.69 | 36.29 | 36.97 | 49.23 | 48.65 | 60.34 | 62.03 | 59.68 | 50.44 | 36.73 | 33.45 | a | 44.93 | ||||||||||||
1945 | 30.92 | 33.04 | 31.05 | 39.57 | 44.48 | 55.98 | 66.65 | 64.61 | 60.02 | 50.32 | 35.55 | 31.66 | 45.32 | |||||||||||||
1946 | 31.82 | 31.80 | 36.52 | b | 44.88 | 48.47 | 55.73 | 62.56 | 64.85 | 59.77 | 42.66 | 34.40 | 34.35 | 45.65 | ||||||||||||
1947 | 30.21 | 37.52 | 40.89 | 43.18 | 52.42 | 54.80 | 60.84 | 59.82 | 61.53 | 48.61 | 34.22 | 29.06 | 46.09 | |||||||||||||
1948 | 37.48 | 30.28 | 31.34 | 38.92 | 43.68 | 54.88 | 60.66 | 59.89 | 57.95 | 48.77 | 38.47 | 29.15 | 44.29 | |||||||||||||
1949 | 19.83 | a | 28.12 | 32.26 | 44.12 | 46.89 | 57.97 | 63.23 | 59.45 | 59.52 | 47.74 | 44.65 | 30.05 | 44.49 | ||||||||||||
1950 | 25.82 | 36.11 | 36.92 | 43.55 | 48.94 | 55.00 | 64.95 | 63.87 | 54.95 | 51.05 | 43.67 | 38.63 | a | 46.95 | ||||||||||||
1951 | 31.08 | 31.91 | 36.95 | 42.37 | 48.42 | 56.60 | 63.74 | 62.29 | 61.17 | 46.76 | 37.60 | 27.10 | 45.50 | |||||||||||||
1952 | 26.18 | 31.69 | 29.13 | 40.55 | 47.66 | 50.72 | a | 63.90 | 63.45 | 59.35 | 55.79 | 34.35 | 28.82 | 44.30 | ||||||||||||
1953 | 33.85 | 33.79 | 36.95 | 38.95 | 39.39 | 51.21 | a | 65.60 | 59.97 | 61.32 | 47.19 | 39.21 | a | 32.31 | 44.98 | |||||||||||
1954 | 31.74 | 37.96 | a | 33.38 | a | 45.79 | a | 52.30 | a | 53.75 | 65.39 | 59.45 | 56.72 | 49.77 | 41.90 | a | 30.55 | 46.56 | ||||||||
1955 | 25.47 | 30.12 | d | 36.44 | 36.72 | a | 45.50 | 53.55 | 60.03 | 65.27 | 58.97 | 51.52 | 36.85 | 32.48 | f | 45.49 | a | |||||||||
1956 | 32.87 | 29.52 | 37.89 | 39.36 | a | 48.27 | a | 56.67 | 62.11 | 59.79 | 60.38 | 45.39 | 40.32 | 33.77 | 45.53 | |||||||||||
1957 | 26.13 | 35.89 | 36.81 | 40.35 | 43.88 | a | 58.67 | 62.62 | a | 60.48 | 57.47 | 43.65 | 33.35 | 32.68 | 44.33 | |||||||||||
1958 | 31.65 | 34.06 | b | 29.88 | c | 38.72 | 48.55 | 51.93 | 60.74 | 65.37 | a | 58.45 | 54.21 | 38.33 | 40.87 | 46.06 | ||||||||||
1959 | 33.52 | 28.43 | a | 38.43 | a | 45.13 | 42.93 | a | 57.73 | 66.10 | 59.87 | 53.12 | 50.87 | 44.00 | 36.16 | 46.36 | ||||||||||
1960 | 25.77 | 29.67 | 39.13 | 40.03 | a | 45.71 | 60.80 | 64.23 | a | 61.80 | a | 60.43 | 47.06 | 35.45 | 31.85 | 45.16 | ||||||||||
1961 | 36.23 | 34.23 | 32.42 | 40.78 | 43.82 | 61.83 | a | 67.85 | a | 63.33 | a | 55.13 | 48.55 | 36.74 | a | 30.47 | 45.95 | |||||||||
1962 | 32.02 | 30.45 | 28.22 | a | 42.65 | 42.29 | 56.37 | 63.03 | 64.10 | a | 58.93 | 49.13 | a | 41.18 | 38.02 | 45.53 | ||||||||||
1963 | 33.85 | 40.11 | a | 32.47 | 33.57 | a | 47.87 | 51.70 | 61.39 | 62.15 | 58.50 | 49.13 | a | 38.35 | 36.40 | a | 45.46 | |||||||||
1964 | 31.73 | 34.16 | 31.69 | 37.80 | 43.92 | 53.98 | a | 64.90 | 64.66 | 56.28 | 54.39 | 32.97 | a | 31.72 | a | 44.85 | ||||||||||
1965 | 31.92 | 35.07 | 34.29 | 38.40 | a | 44.52 | a | 51.55 | 62.68 | 62.24 | 51.05 | 53.85 | a | 39.75 | 31.03 | a | 44.70 | |||||||||
1966 | 29.47 | 29.98 | 38.35 | 46.48 | 54.11 | 58.23 | 63.84 | 67.02 | 58.40 | a | 51.76 | 40.48 | 34.65 | 47.73 | ||||||||||||
1967 | 35.80 | a | 37.54 | 35.53 | 30.20 | 45.56 | 52.62 | 67.84 | 69.05 | a | 58.90 | 53.11 | 44.65 | 27.45 | 46.52 | |||||||||||
1968 | 32.79 | 37.74 | 36.31 | 41.32 | 46.95 | 59.09 | a | 65.98 | 59.19 | 60.23 | 49.50 | 39.29 | w | ----- | z | 48.91 | b | |||||||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 32.22 | 33.99 | 36.59 | 41.31 | 47.73 | 55.80 | 64.37 | 63.23 | 58.62 | 49.93 | 40.71 | 34.74 | 46.60 | |||||||||||||
S.D. | 4.47 | 3.46 | 4.22 | 3.62 | 3.61 | 3.57 | 2.46 | 2.76 | 2.79 | 3.24 | 4.15 | 4.38 | 1.67 | |||||||||||||
SKEW | -0.59 | 0.26 | 0.33 | -0.41 | -0.09 | -0.12 | 0.39 | 0.07 | -0.58 | -0.13 | -0.01 | 0.34 | 0.58 | |||||||||||||
MAX | 42.02 | 42.02 | 49.77 | 49.48 | 54.11 | 64.35 | 71.20 | 69.05 | 63.55 | 56.08 | 48.90 | 44.90 | 51.15 | |||||||||||||
MIN | 19.83 | 28.13 | 28.22 | 30.20 | 39.39 | 46.35 | 60.03 | 59.18 | 51.05 | 42.66 | 32.97 | 27.10 | 44.29 | |||||||||||||
YRS | 46 | 47 | 46 | 46 | 46 | 47 | 48 | 47 | 47 | 46 | 46 | 45 | 39 |