YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 50.97 | b | 43.30 | j | ----- | z | 50.97 | k |
1916 | 41.70 | h | 44.53 | j | 48.14 | j | 47.56 | e | 50.65 | 54.03 | 58.58 | 59.12 | g | 57.53 | 48.16 | 40.20 | 37.65 | 49.29 | d | |||||||
1917 | 39.19 | 42.19 | a | 39.29 | 46.17 | 50.19 | 54.07 | 60.65 | 60.61 | 56.27 | 52.68 | 43.77 | 38.94 | 48.67 | ||||||||||||
1918 | 39.87 | 42.64 | 46.58 | 47.53 | 51.58 | 58.80 | 58.97 | 61.38 | b | 59.37 | 54.94 | 44.27 | 38.10 | 50.34 | ||||||||||||
1919 | 36.77 | 40.50 | 41.71 | 46.77 | 54.26 | 54.37 | 59.29 | 59.58 | 56.27 | 47.39 | 41.46 | b | 37.44 | f | 48.94 | a | ||||||||||
1920 | 39.16 | l | 45.00 | i | 44.52 | d | 46.70 | 53.26 | 56.63 | 58.10 | 61.58 | 57.73 | 47.65 | 42.52 | e | 37.61 | h | 52.08 | c | |||||||
1921 | 38.88 | f | 38.77 | f | 45.93 | b | 44.07 | 50.94 | 56.00 | 61.97 | 60.35 | 55.33 | 54.65 | 43.42 | f | 44.14 | j | 53.65 | d | |||||||
1922 | 38.35 | h | 41.32 | f | 42.11 | c | 43.71 | b | 50.94 | 55.67 | 59.77 | 61.19 | 58.57 | 49.39 | 38.22 | g | 44.32 | f | 52.67 | d | ||||||
1923 | 39.00 | l | 40.27 | f | 40.08 | e | 49.45 | a | 54.16 | 54.43 | 59.00 | 60.74 | 57.53 | 49.77 | 45.40 | e | 42.24 | f | 52.29 | c | ||||||
1924 | 35.92 | g | 40.62 | h | 43.08 | f | 48.69 | d | 55.00 | 55.93 | a | 59.37 | a | 59.87 | 54.96 | b | 47.25 | c | 41.77 | h | 37.56 | m | 54.44 | e | ||
1925 | 35.57 | h | 41.80 | h | 43.70 | d | 47.64 | b | 53.38 | b | 56.83 | 62.53 | a | 59.55 | 54.38 | a | 51.96 | g | 43.16 | e | 41.09 | h | 52.65 | d | ||
1926 | 37.22 | h | 43.48 | g | 47.88 | e | 55.86 | b | 55.07 | a | 60.07 | 60.50 | a | 61.63 | a | 54.57 | b | 50.81 | e | 45.12 | f | 41.43 | h | 55.80 | d | |
1927 | 39.62 | j | 47.00 | g | 44.36 | f | 48.14 | a | 51.30 | a | 56.83 | 59.38 | b | 60.37 | a | 57.25 | b | 49.74 | d | 46.09 | g | 39.15 | k | 54.72 | e | |
1928 | 38.00 | h | 38.90 | h | 45.77 | e | 43.38 | d | 56.29 | c | 57.79 | b | 58.52 | b | 59.00 | a | 54.68 | b | 50.54 | e | 41.52 | i | 37.93 | d | 51.54 | c |
1929 | 38.13 | h | 36.75 | h | 41.32 | i | 46.63 | c | 51.11 | d | 54.21 | a | 62.93 | c | 61.57 | c | 59.31 | a | 55.00 | d | 39.30 | g | 39.68 | i | 55.82 | e |
1930 | 41.57 | j | 43.05 | h | 43.43 | j | 49.42 | d | 50.27 | a | 55.30 | c | 59.11 | d | 60.40 | f | 54.89 | c | 48.12 | f | 44.81 | i | 34.29 | g | 53.80 | g |
1931 | 37.81 | j | 44.43 | g | 41.52 | f | 50.33 | c | 58.17 | a | 58.76 | a | 64.53 | a | 66.41 | d | 58.19 | d | 51.64 | f | 40.42 | f | 37.90 | j | 59.40 | f |
1932 | 34.75 | g | 41.25 | i | 42.21 | b | 43.09 | g | 51.60 | a | 55.00 | 58.93 | a | 58.52 | 57.47 | 50.07 | a | 44.60 | 38.57 | h | 52.30 | d | ||||
1933 | 36.71 | 34.10 | h | 40.16 | f | 46.25 | b | 47.75 | c | 53.43 | 59.42 | 59.68 | 55.73 | 53.32 | c | 41.62 | f | 39.19 | 50.17 | c | ||||||
1934 | 37.61 | 44.95 | i | 48.06 | 51.86 | a | 53.48 | 56.79 | a | 61.45 | b | 61.84 | 58.67 | 50.96 | e | 46.37 | 44.77 | 51.99 | a | |||||||
1935 | 40.32 | l | 42.75 | h | 40.48 | j | 47.00 | f | 52.00 | a | 56.23 | 57.27 | a | 63.23 | 57.90 | a | 49.97 | 39.17 | 38.15 | k | 53.68 | e | ||||
1936 | 39.90 | 43.68 | g | 45.94 | 47.63 | 52.29 | 55.77 | 62.00 | 61.68 | 57.30 | 53.84 | 43.17 | 41.61 | 51.01 | a | |||||||||||
1937 | 35.29 | 40.67 | g | 43.43 | a | 46.68 | e | 54.50 | i | 55.04 | f | 60.55 | 61.07 | b | 59.37 | 51.39 | 45.83 | 43.71 | 49.70 | c | ||||||
1938 | 40.29 | 41.39 | j | 45.00 | h | 48.30 | 51.48 | b | 57.50 | 59.58 | 60.81 | 57.87 | 48.00 | g | 38.47 | 43.65 | 50.88 | c | ||||||||
1939 | 38.87 | h | 35.61 | j | 44.32 | 50.63 | 52.55 | 54.11 | c | 60.07 | d | 61.36 | c | 62.11 | b | 50.20 | f | 46.04 | g | 41.64 | i | 55.02 | e | |||
1940 | 46.32 | 44.50 | i | 45.52 | f | 50.16 | e | 54.19 | e | 55.96 | c | 55.39 | 56.77 | 52.73 | 48.88 | g | 42.10 | j | 45.32 | i | 53.08 | e | ||||
1941 | 42.88 | g | 45.90 | g | 48.14 | i | 49.10 | a | 52.94 | 54.80 | 57.71 | 58.48 | b | 51.74 | g | 49.50 | a | 43.77 | 41.90 | 51.03 | d | |||||
1942 | 40.32 | 38.75 | 40.19 | 48.70 | 49.97 | 56.37 | 58.26 | 58.45 | 55.20 | 50.87 | 45.79 | a | 40.84 | 48.64 | ||||||||||||
1943 | 41.00 | 42.86 | ----- | z | 48.10 | 51.84 | 51.67 | 55.94 | 58.33 | a | 53.67 | 50.32 | 42.50 | 44.19 | 49.13 | a | ||||||||||
1944 | 40.65 | 41.55 | 41.71 | 46.27 | 52.97 | 54.37 | 57.90 | 58.10 | 57.80 | 52.61 | 47.47 | 40.42 | 49.32 | |||||||||||||
1945 | 39.68 | 40.96 | a | 40.63 | a | 44.48 | g | 51.16 | 56.76 | a | 60.16 | 61.36 | c | 58.20 | 55.32 | l | 40.43 | 41.35 | h | 49.93 | c | |||||
1946 | 39.77 | 37.64 | 43.55 | 50.57 | 54.29 | 56.37 | 60.23 | 61.10 | 57.46 | f | 47.65 | 43.04 | f | 41.65 | h | 50.13 | c | |||||||||
1947 | 34.23 | e | 41.76 | k | 44.36 | i | 49.19 | d | 54.72 | b | 56.21 | a | 56.38 | b | 59.74 | 59.08 | e | 51.61 | h | 41.63 | k | 38.55 | i | 52.79 | e | |
1948 | 37.84 | f | 37.68 | j | 39.40 | k | 46.59 | h | 49.70 | h | 55.81 | c | 55.90 | 56.55 | 54.90 | 52.39 | 39.60 | 39.03 | 50.60 | e | ||||||
1949 | 36.71 | 39.32 | 41.81 | 48.27 | 50.39 | 55.83 | 58.29 | 57.32 | 57.43 | 48.16 | 46.60 | 38.16 | 48.19 | |||||||||||||
1950 | 37.32 | 41.00 | 43.29 | 47.97 | 50.61 | 54.40 | 61.35 | 57.42 | 57.53 | 52.19 | 47.30 | 41.97 | 49.36 | |||||||||||||
1951 | 40.19 | 40.96 | 43.03 | 51.93 | 52.00 | 57.33 | 60.10 | 58.87 | 58.67 | 52.84 | 47.47 | 42.29 | 50.47 | |||||||||||||
1952 | 40.45 | 40.48 | 43.97 | 49.17 | 53.06 | 54.20 | 58.55 | 61.00 | 58.07 | 54.03 | 44.67 | 40.74 | 49.87 | |||||||||||||
1953 | 43.13 | 36.00 | 42.35 | 47.97 | 48.06 | 53.97 | 60.68 | f | 60.00 | 56.30 | 51.32 | 46.77 | 36.97 | 47.53 | a | |||||||||||
1954 | 40.77 | 43.43 | 44.14 | c | 50.87 | 53.19 | 55.10 | 61.16 | 59.32 | 53.36 | b | 49.07 | a | 42.79 | b | 36.72 | b | 49.16 | ||||||||
1955 | 36.86 | b | 37.07 | a | 42.40 | a | 43.37 | 51.60 | a | 55.11 | l | 59.30 | a | 60.72 | b | 59.00 | b | 53.26 | 44.90 | 45.20 | a | 48.52 | a | |||
1956 | 42.90 | 39.28 | 42.00 | 46.53 | m | ----- | z | 56.50 | 59.68 | 59.06 | 57.23 | 52.87 | 42.83 | 39.06 | 49.14 | b | ||||||||||
1957 | 45.42 | 48.43 | 45.81 | 49.70 | 54.55 | 59.03 | 60.00 | 61.39 | 58.30 | 53.48 | 43.20 | 43.13 | 51.87 | |||||||||||||
1958 | 40.26 | 47.75 | 45.39 | 49.47 | 55.06 | 57.63 | 60.35 | 65.03 | 59.37 | 55.55 | 44.00 | 42.16 | 51.84 | |||||||||||||
1959 | 43.03 | 42.85 | a | 47.10 | 54.33 | 54.90 | 58.93 | 64.23 | 64.84 | 62.27 | 54.35 | 45.40 | 43.58 | 52.98 | ||||||||||||
1960 | 40.39 | 42.83 | 47.29 | 49.67 | 53.42 | 58.33 | 61.06 | 61.32 | 61.13 | 51.58 | 46.23 | 37.94 | 50.93 | |||||||||||||
1961 | 42.16 | 43.86 | 47.39 | 48.50 | 53.32 | 57.13 | 61.26 | 62.65 | 56.13 | 51.48 | 45.69 | a | 43.16 | 51.06 | ||||||||||||
1962 | 41.48 | 45.61 | 42.29 | 49.33 | 51.16 | 56.60 | 59.32 | 59.23 | 58.03 | 52.10 | 46.27 | 42.84 | 50.35 | |||||||||||||
1963 | 41.06 | 49.25 | 43.65 | 46.33 | 55.55 | 57.83 | 59.52 | 63.13 | 63.30 | 56.97 | 47.07 | 39.26 | 51.91 | |||||||||||||
1964 | 38.23 | 37.79 | 43.81 | 48.93 | 51.10 | 56.17 | 59.32 | 60.55 | 57.33 | 56.57 | a | 43.90 | 43.48 | 49.76 | ||||||||||||
1965 | 41.42 | 40.00 | 45.00 | 48.90 | 52.26 | 55.77 | 57.55 | 60.52 | 55.47 | 51.71 | 49.20 | 41.52 | 49.94 | |||||||||||||
1966 | 37.39 | 37.79 | 44.00 | 48.83 | 54.55 | 56.27 | 57.61 | 61.58 | 56.43 | 49.42 | 45.47 | 39.35 | 49.06 | |||||||||||||
1967 | 36.13 | 36.43 | 41.13 | p | 39.67 | 48.13 | 50.10 | 58.45 | 64.45 | 62.67 | 51.03 | 49.29 | m | 38.06 | 48.51 | b | ||||||||||
1968 | 37.13 | 46.59 | 45.94 | 44.60 | 44.80 | k | 51.29 | p | ----- | z | 52.90 | u | 60.10 | 51.19 | 44.43 | 34.00 | o | 47.14 | e | |||||||
1969 | 45.74 | 42.29 | 41.55 | 49.77 | ----- | z | 52.93 | 58.97 | 61.97 | ----- | z | ----- | z | ----- | z | 37.10 | 48.79 | d | ||||||||
1970 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 48.37 | 38.45 | 43.41 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 39.88 | 41.59 | 43.84 | 48.23 | 52.50 | 55.90 | 59.55 | 60.61 | 57.51 | 51.54 | 44.37 | 40.66 | 50.20 | |||||||||||||
S.D. | 2.86 | 3.52 | 2.27 | 2.75 | 2.14 | 1.89 | 1.90 | 2.04 | 2.35 | 2.42 | 2.56 | 2.52 | 1.30 | |||||||||||||
SKEW | 0.29 | 0.49 | 0.08 | -0.26 | 0.03 | -0.41 | 0.30 | 0.46 | 0.35 | 0.20 | -0.48 | 0.11 | 0.45 | |||||||||||||
MAX | 46.32 | 49.25 | 48.06 | 55.86 | 58.17 | 60.07 | 64.53 | 66.41 | 63.30 | 56.97 | 49.20 | 45.20 | 52.98 | |||||||||||||
MIN | 34.23 | 36.00 | 39.29 | 39.67 | 47.75 | 50.10 | 55.39 | 56.55 | 52.73 | 47.25 | 38.47 | 36.72 | 48.19 | |||||||||||||
YRS | 36 | 29 | 39 | 49 | 49 | 51 | 52 | 51 | 51 | 46 | 39 | 35 | 19 |