YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1916 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1917 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1918 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1919 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1921 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1922 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1923 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1924 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1925 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1926 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1927 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1928 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1929 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1930 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1931 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1932 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1933 | 27.81 | 28.62 | b | 36.00 | 39.40 | 45.39 | 56.23 | 62.06 | 61.35 | 58.60 | 48.06 | 35.77 | 32.35 | 44.30 | ||||||||||||
1934 | 25.84 | 33.14 | 37.10 | 45.33 | 53.61 | 56.03 | 61.48 | 59.94 | 54.63 | 44.84 | 34.93 | 31.00 | 44.82 | |||||||||||||
1935 | 31.65 | 31.50 | 34.74 | 41.63 | 43.32 | 56.53 | 62.42 | 59.48 | 52.63 | 43.45 | 34.00 | 30.55 | 43.49 | |||||||||||||
1936 | 28.35 | 31.86 | 35.90 | 40.73 | 47.87 | a | 56.97 | a | 61.61 | 58.77 | 54.97 | 43.33 | a | 32.93 | 28.97 | 43.52 | ||||||||||
1937 | 25.29 | 30.21 | 32.13 | 39.27 | 47.52 | 53.13 | 60.48 | 59.32 | 54.93 | 44.42 | 32.40 | 30.06 | 42.43 | |||||||||||||
1938 | 28.10 | 30.61 | 34.58 | 38.37 | 45.48 | 56.83 | 58.29 | 59.81 | 53.47 | 45.29 | 29.10 | 28.97 | 42.41 | |||||||||||||
1939 | 26.74 | 21.46 | 33.26 | 38.03 | 43.52 | 56.27 | 59.26 | 56.10 | a | 53.27 | 39.13 | 33.73 | 28.32 | 40.76 | ||||||||||||
1940 | 26.16 | 26.59 | 34.87 | 39.57 | 48.26 | 55.90 | 59.23 | 57.23 | 53.90 | a | 42.71 | 31.67 | 33.23 | 42.44 | ||||||||||||
1941 | 28.39 | 31.93 | 33.48 | 34.87 | 44.39 | 51.53 | 58.74 | 56.55 | 52.00 | 42.29 | 32.30 | 27.13 | 41.13 | |||||||||||||
1942 | 27.23 | 24.93 | 28.10 | 34.87 | 40.19 | 54.43 | 59.13 | 56.55 | 51.74 | g | 41.39 | 35.03 | 30.03 | 39.26 | a | |||||||||||
1943 | 29.37 | a | 30.79 | 33.61 | 39.87 | 45.90 | 54.60 | 59.37 | a | 59.10 | 53.63 | 41.06 | 29.53 | 26.86 | c | 41.97 | ||||||||||
1944 | 20.81 | 28.07 | 30.71 | 35.73 | 43.42 | 50.63 | 58.74 | 59.87 | 52.17 | 44.42 | 32.73 | 25.23 | 40.21 | |||||||||||||
1945 | 24.77 | a | 27.89 | 29.81 | 35.77 | 42.77 | a | 48.93 | 59.00 | a | 59.26 | 52.37 | 44.19 | 32.53 | 26.00 | 40.27 | ||||||||||
1946 | 23.68 | 23.68 | 31.39 | 41.47 | 43.32 | 56.77 | 59.74 | l | 59.35 | 54.93 | 40.00 | 28.17 | a | 29.10 | 39.26 | a | ||||||||||
1947 | 22.61 | 29.46 | 31.03 | b | 35.77 | 46.61 | 52.17 | 59.32 | 57.77 | a | 55.00 | w | 42.58 | 31.77 | 25.39 | 39.50 | a | |||||||||
1948 | 22.48 | 29.55 | 30.74 | 38.33 | 44.65 | 54.90 | 61.26 | 59.19 | d | 52.77 | 43.28 | b | 24.10 | 27.10 | j | 41.93 | a | |||||||||
1949 | 20.83 | b | 26.48 | c | 32.40 | a | 38.33 | 43.94 | 53.85 | c | ----- | z | 58.68 | 56.40 | 40.74 | 32.73 | 26.77 | 39.20 | a | |||||||
1950 | 27.52 | 29.44 | j | 33.00 | s | 39.50 | 41.52 | d | 54.83 | 58.90 | 54.29 | 52.23 | d | 45.83 | h | 32.77 | 28.82 | i | 45.19 | d | ||||||
1951 | 23.56 | m | 28.63 | i | ----- | z | 37.10 | i | 45.38 | j | 50.86 | b | 60.77 | a | 58.36 | f | 52.17 | 45.90 | 34.28 | a | 30.21 | q | 48.79 | g | ||
1952 | 29.97 | 26.59 | 27.09 | i | 38.47 | 48.23 | 57.20 | o | 60.93 | a | 60.17 | a | 52.60 | 41.54 | e | 30.27 | d | 24.94 | m | 43.19 | c | |||||
1953 | 26.00 | g | 26.36 | 34.13 | 39.60 | 40.85 | d | 55.43 | 61.07 | a | 58.50 | c | 50.57 | b | 40.87 | 31.77 | d | 22.00 | m | 43.91 | b | |||||
1954 | 30.05 | k | 30.29 | 35.00 | 41.47 | 47.00 | 55.03 | 60.71 | 58.94 | o | 55.95 | k | 44.90 | a | 32.93 | 24.70 | d | 41.34 | c | |||||||
1955 | 24.73 | i | 23.64 | 32.94 | 35.77 | 43.65 | 52.73 | 58.52 | 59.40 | p | 51.00 | a | 43.42 | e | 33.37 | 31.43 | x | 41.67 | c | |||||||
1956 | 29.78 | h | 23.55 | 29.83 | a | 35.37 | 44.90 | 58.19 | c | 59.58 | 57.39 | 53.50 | d | 44.09 | h | 27.60 | 28.79 | q | 43.32 | c | ||||||
1957 | 28.50 | m | 35.21 | 33.87 | h | 36.32 | b | 43.34 | b | 56.27 | 60.52 | 59.35 | 49.30 | 43.06 | 31.18 | h | 25.50 | k | 47.92 | d | ||||||
1958 | 23.42 | 32.83 | p | 30.94 | 36.87 | 48.97 | a | 58.13 | 60.81 | 59.55 | 53.13 | 43.90 | 31.54 | b | 27.81 | 43.19 | a | |||||||||
1959 | 27.29 | 27.39 | 29.42 | 40.59 | c | 41.87 | 57.20 | 60.39 | 59.87 | 52.40 | 41.31 | e | 31.42 | d | 27.90 | 41.42 | ||||||||||
1960 | 23.56 | f | 24.90 | 33.65 | 35.93 | b | 41.17 | b | 56.03 | 59.80 | a | 58.55 | 53.37 | 41.81 | 31.87 | 23.45 | 41.87 | a | ||||||||
1961 | 27.61 | 25.79 | 31.17 | h | 37.30 | 43.11 | l | ----- | z | 60.73 | e | 59.17 | g | 53.43 | 42.03 | b | ----- | z | ----- | z | 41.15 | f | ||||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 26.18 | 28.10 | 32.74 | 38.38 | 44.88 | 54.83 | 60.12 | 58.64 | 53.24 | 42.96 | 31.90 | 28.19 | 42.25 | |||||||||||||
S.D. | 2.91 | 3.37 | 2.35 | 2.52 | 2.98 | 2.39 | 1.15 | 1.56 | 1.85 | 1.97 | 2.51 | 2.58 | 1.48 | |||||||||||||
SKEW | -0.30 | 0.05 | -0.09 | 0.59 | 0.83 | -0.81 | 0.20 | -1.00 | 0.67 | 0.36 | -1.21 | 0.11 | 0.23 | |||||||||||||
MAX | 31.65 | 35.21 | 37.10 | 45.33 | 53.61 | 58.19 | 62.42 | 61.35 | 58.60 | 48.06 | 35.77 | 33.23 | 44.82 | |||||||||||||
MIN | 20.81 | 21.46 | 28.10 | 34.87 | 40.19 | 48.93 | 58.29 | 54.29 | 49.30 | 39.13 | 24.10 | 23.45 | 40.21 | |||||||||||||
YRS | 22 | 26 | 24 | 28 | 27 | 27 | 27 | 25 | 26 | 27 | 27 | 20 | 13 |