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 | ----- | 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 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1934 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1935 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1936 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1937 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1938 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1939 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1940 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1941 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1942 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1943 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1944 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1945 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1946 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 40.07 | 48.26 | 50.90 | k | 46.00 | w | 28.59 | n | 19.59 | a | 20.17 | y | 35.97 | i | ||
1947 | 12.96 | g | 19.12 | d | 18.26 | l | 21.11 | l | 32.68 | f | 38.03 | 48.45 | b | 47.90 | a | 40.84 | e | 31.26 | d | 16.00 | f | ----- | z | 37.60 | f | |
1948 | 12.26 | 18.43 | a | 15.53 | a | 28.15 | c | 31.61 | 40.50 | 46.52 | 46.35 | e | 40.18 | b | 30.41 | d | 13.39 | b | 18.19 | 28.46 | ||||||
1949 | 12.87 | 15.11 | 20.63 | d | 25.24 | e | 30.97 | a | 41.50 | 49.17 | a | 44.93 | d | 41.63 | c | 28.68 | f | 18.52 | e | 7.78 | d | 28.03 | a | |||
1950 | 15.13 | 19.15 | a | 19.17 | a | 23.30 | 25.39 | 36.17 | 49.61 | 42.23 | 35.43 | 29.74 | 16.62 | d | 13.37 | d | 27.11 | |||||||||
1951 | 9.56 | d | 21.20 | r | 18.58 | 24.10 | 31.39 | 31.33 | 49.00 | 47.90 | 35.93 | 29.33 | a | 20.43 | 15.71 | 28.48 | a | |||||||||
1952 | 19.58 | 15.14 | 18.42 | 28.03 | 32.19 | 40.00 | 47.19 | 46.26 | 37.63 | 25.65 | 13.63 | 11.10 | 27.90 | |||||||||||||
1953 | 16.58 | 11.00 | a | 21.90 | 23.93 | 28.10 | 39.63 | 50.03 | 43.90 | 36.41 | m | 27.42 | 18.50 | 9.94 | 26.45 | a | ||||||||||
1954 | 14.00 | 16.15 | a | 20.19 | 25.59 | a | 32.20 | a | 37.62 | a | 49.53 | a | 47.00 | c | 41.85 | c | 32.43 | c | 20.14 | a | 11.37 | a | 29.01 | |||
1955 | 9.74 | 10.30 | a | 19.22 | d | 21.67 | 32.87 | 36.43 | 48.13 | 50.16 | 36.30 | c | 29.97 | 20.87 | 17.55 | 27.77 | ||||||||||
1956 | 19.26 | 11.86 | 17.71 | c | 23.23 | 31.57 | a | 43.90 | 46.00 | 42.61 | 37.37 | 28.68 | 12.37 | 8.19 | 26.90 | |||||||||||
1957 | 20.06 | 25.75 | 23.45 | 24.34 | a | 31.10 | 41.27 | 49.90 | 49.14 | b | 37.43 | 33.85 | d | 20.93 | b | 16.00 | 31.10 | |||||||||
1958 | 12.55 | 23.59 | f | 20.33 | s | ----- | z | 34.21 | g | 43.80 | 47.35 | 48.68 | 43.30 | 32.00 | 19.10 | 12.07 | c | 32.36 | d | |||||||
1959 | 12.20 | a | 16.39 | 14.39 | 26.53 | 29.57 | a | 43.77 | 48.52 | b | 49.54 | c | 36.10 | 28.03 | a | 19.86 | a | 17.00 | d | 28.49 | ||||||
1960 | 4.74 | 13.41 | 22.40 | f | 23.73 | 29.06 | 40.07 | a | 46.58 | 46.19 | 40.20 | 28.71 | 18.80 | 12.11 | c | 27.60 | a | |||||||||
1961 | 12.37 | d | 16.82 | 21.13 | 23.53 | 29.66 | b | 39.70 | 46.38 | b | 48.61 | 38.53 | 27.15 | d | 22.44 | c | 13.68 | 28.33 | ||||||||
1962 | 16.26 | 21.41 | a | 16.71 | 27.33 | 28.57 | a | 36.45 | a | 44.67 | a | 41.55 | b | 38.64 | b | 27.55 | 23.37 | 15.80 | a | 28.19 | ||||||
1963 | 8.26 | 18.88 | b | 18.31 | e | 26.11 | c | 31.63 | a | 31.83 | 48.43 | a | 45.57 | a | 43.04 | f | 32.17 | b | 22.66 | a | 10.77 | 26.78 | a | |||
1964 | 4.52 | b | 7.07 | 17.97 | a | 20.93 | 24.93 | a | 34.03 | a | 49.06 | 45.32 | 36.67 | i | 28.06 | 14.23 | 7.97 | 23.10 | a | |||||||
1965 | 14.83 | a | 12.07 | a | 17.45 | 20.60 | 27.97 | 36.03 | 47.65 | 42.81 | 39.87 | 27.06 | 18.70 | 9.48 | 26.21 | |||||||||||
1966 | -11.50 | u | 8.43 | 21.19 | j | 24.12 | e | 31.42 | 38.00 | 49.77 | 47.44 | m | 41.48 | i | 26.73 | p | ----- | z | ----- | z | 30.35 | g | ||||
1967 | ----- | z | ----- | z | ----- | z | 28.39 | l | 29.48 | 41.83 | 51.18 | n | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 35.66 | j | ||
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 13.04 | 15.36 | 18.80 | 24.47 | 29.98 | 38.73 | 48.11 | 46.14 | 38.83 | 29.42 | 18.64 | 12.67 | 28.13 | |||||||||||||
S.D. | 4.55 | 4.77 | 2.32 | 2.22 | 2.23 | 3.54 | 1.47 | 2.62 | 2.38 | 2.24 | 3.22 | 3.40 | 1.28 | |||||||||||||
SKEW | -0.27 | 0.18 | 0.10 | 0.02 | -0.91 | -0.46 | -0.60 | -0.24 | 0.23 | 0.33 | -0.60 | 0.13 | 0.84 | |||||||||||||
MAX | 20.06 | 25.75 | 23.45 | 28.15 | 32.87 | 43.90 | 50.03 | 50.16 | 43.30 | 33.85 | 23.37 | 18.19 | 31.10 | |||||||||||||
MIN | 4.52 | 7.07 | 14.39 | 20.60 | 24.93 | 31.33 | 44.67 | 41.55 | 35.43 | 25.65 | 12.37 | 7.78 | 26.21 | |||||||||||||
YRS | 18 | 18 | 16 | 18 | 19 | 22 | 21 | 19 | 16 | 18 | 19 | 18 | 11 |