YEAR(S) | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | ANN | |||||||||||||
1910 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1911 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1912 | ----- | z | ----- | z | ----- | z | ----- | z | 0.10 | ----- | z | ----- | z | ----- | z | ----- | z | 0.00 | m | ----- | z | ----- | z | ----- | z | |
1913 | ----- | z | ----- | z | ----- | z | ----- | z | 0.39 | 0.84 | 0.14 | 0.12 | ----- | z | 0.01 | 0.60 | ----- | z | ----- | z | ||||||
1914 | ----- | z | 0.00 | u | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1915 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.00 | 3.80 | ----- | z | ||
1916 | 3.20 | 3.05 | 3.00 | 1.05 | a | 0.90 | 0.80 | 1.24 | 0.40 | 1.35 | 0.95 | 2.00 | b | ----- | z | ----- | z | |||||||||
1917 | 2.40 | 2.00 | 1.70 | 1.60 | 0.50 | 0.80 | 0.10 | 0.00 | 0.20 | 1.20 | 1.35 | 2.96 | b | 2.96 | b | |||||||||||
1918 | 2.00 | 2.20 | 1.50 | 1.00 | a | 0.70 | ----- | z | 0.40 | 0.95 | 0.10 | 5.00 | 2.10 | a | 4.00 | a | ----- | z | ||||||||
1919 | 4.40 | 2.40 | 1.60 | 1.30 | 0.50 | ----- | z | 1.10 | 1.20 | ----- | z | 1.30 | 3.30 | s | ----- | z | ----- | z | ||||||||
1920 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 2.10 | 0.20 | 5.00 | 5.00 | 2.30 | 1.47 | 2.90 | ----- | z | |||||||
1921 | 2.30 | 3.30 | 2.00 | 2.10 | 1.80 | 1.60 | ----- | z | 1.20 | 1.10 | s | 3.00 | 4.10 | 4.95 | ----- | z | ||||||||||
1922 | 1.18 | 1.30 | 2.10 | 1.21 | 1.70 | a | 0.10 | 0.00 | 0.60 | 1.54 | 2.25 | 2.58 | 2.60 | 2.60 | a | |||||||||||
1923 | 2.40 | 1.90 | 1.20 | 0.70 | a | 0.30 | 0.05 | 1.60 | 1.50 | 0.80 | 3.90 | 2.60 | 3.80 | 3.90 | a | |||||||||||
1924 | 2.20 | 0.80 | 1.50 | 0.55 | 0.50 | 0.70 | v | 0.60 | 1.22 | 1.10 | 2.00 | 1.31 | m | 3.45 | ----- | z | ||||||||||
1925 | 2.90 | 1.28 | 0.95 | 0.64 | 1.40 | 0.66 | 0.00 | 0.36 | 0.73 | 2.23 | 1.31 | 2.33 | 2.90 | |||||||||||||
1926 | 4.09 | 1.59 | 0.60 | 0.70 | 1.46 | 0.47 | 0.00 | 1.32 | 0.78 | 0.50 | 2.00 | 1.88 | b | 4.09 | b | |||||||||||
1927 | 1.76 | 2.45 | 0.86 | a | 0.77 | 1.62 | 0.18 | 0.38 | 4.12 | 1.53 | 2.23 | 3.23 | a | 1.90 | 4.12 | b | ||||||||||
1928 | 3.30 | 0.65 | b | 1.86 | h | 1.50 | 0.60 | 0.90 | 0.40 | 0.07 | 1.24 | 1.80 | a | 1.47 | ----- | z | ----- | z | ||||||||
1929 | ----- | z | ----- | z | ----- | z | 1.95 | a | 1.08 | 0.90 | 0.30 | 0.23 | 0.68 | 1.08 | 0.50 | 2.50 | t | ----- | z | |||||||
1930 | ----- | z | ----- | z | ----- | z | 0.62 | 1.30 | a | 0.56 | 0.00 | ----- | z | 0.71 | 2.20 | 1.77 | 0.95 | ----- | z | |||||||
1931 | 2.28 | 2.60 | 2.30 | 1.74 | 1.27 | 2.05 | 0.08 | 0.59 | 1.35 | 2.45 | 2.62 | 2.30 | 2.62 | |||||||||||||
1932 | 2.40 | 6.10 | 4.03 | 1.82 | 0.62 | 0.26 | 1.07 | 1.07 | 1.26 | 1.48 | 6.10 | 5.20 | 6.10 | |||||||||||||
1933 | 3.22 | 2.12 | 1.73 | 0.49 | 0.60 | 1.40 | 0.64 | 1.43 | 1.33 | 2.83 | 4.21 | 5.61 | 5.61 | |||||||||||||
1934 | 3.48 | 1.03 | 2.63 | 1.29 | 1.40 | o | 0.30 | e | 1.45 | j | 0.31 | e | 1.35 | h | 6.70 | k | 2.00 | 2.70 | ----- | z | ||||||
1935 | 1.85 | 1.60 | 3.04 | 1.31 | 1.26 | 1.07 | 0.21 | ----- | z | 1.85 | 1.83 | 1.55 | 1.97 | ----- | z | |||||||||||
1936 | 3.91 | 2.91 | 2.65 | 0.54 | 2.12 | 1.71 | d | 0.64 | 1.97 | 0.53 | e | 0.96 | a | ----- | z | 2.20 | ----- | z | ||||||||
1937 | 1.10 | 1.63 | 1.60 | 2.27 | 0.89 | 2.90 | 0.13 | a | 1.94 | a | 0.69 | 1.68 | 4.70 | 2.30 | 4.70 | b | ||||||||||
1938 | 2.17 | a | 1.19 | 1.94 | 3.00 | 1.00 | 0.22 | 0.15 | 0.96 | 0.48 | 1.82 | 2.46 | c | 1.90 | 3.00 | d | ||||||||||
1939 | 2.27 | 2.70 | 1.11 | 0.56 | 1.05 | 0.60 | 0.71 | 0.65 | 0.66 | 2.43 | 1.74 | 2.62 | 2.70 | |||||||||||||
1940 | 1.57 | 2.01 | 2.51 | 1.39 | 1.73 | 0.50 | 1.01 | 0.50 | 0.65 | 2.67 | 3.53 | a | 1.90 | 3.53 | a | |||||||||||
1941 | 3.08 | 0.68 | 0.77 | 1.09 | 1.29 | 0.57 | 0.05 | 0.69 | 1.81 | 2.74 | 2.83 | 2.68 | 3.08 | |||||||||||||
1942 | 0.93 | 1.76 | 1.93 | 1.04 | 0.94 | 1.23 | 1.37 | 0.50 | 0.27 | 5.68 | 2.56 | 2.08 | 5.68 | |||||||||||||
1943 | 1.82 | 2.28 | 1.73 | 1.28 | 1.30 | 1.69 | 0.32 | 0.77 | 1.06 | 1.86 | d | 2.35 | 3.50 | 3.50 | d | |||||||||||
1944 | 1.37 | 2.59 | 1.51 | 1.08 | 1.59 | a | 0.50 | 0.39 | 0.23 | 2.89 | 0.95 | 1.75 | 1.60 | 2.89 | a | |||||||||||
1945 | 3.29 | a | 4.59 | 2.30 | ----- | z | 0.30 | 0.87 | c | 0.35 | m | ----- | z | 2.80 | n | 6.20 | l | 1.59 | l | ----- | z | ----- | z | |||
1946 | 1.70 | g | 3.41 | d | 1.02 | c | 2.45 | c | 0.66 | e | 0.96 | d | 0.49 | d | 0.72 | q | 1.06 | e | 2.03 | c | 2.20 | c | 4.81 | g | ----- | z |
1947 | 2.80 | 0.36 | i | 1.28 | d | 1.62 | h | 0.48 | g | 1.07 | d | 1.48 | e | 0.76 | j | 1.45 | e | 2.09 | e | 2.38 | a | 1.31 | c | ----- | z | |
1948 | 1.70 | e | 2.04 | f | 1.76 | h | 1.41 | f | 2.12 | c | 1.75 | a | 1.15 | a | 0.86 | a | 0.96 | a | 2.19 | b | 4.06 | c | 3.96 | d | ----- | z |
1949 | 1.23 | g | 4.22 | e | 1.74 | d | 1.24 | e | 1.22 | b | 0.74 | 1.14 | d | 0.65 | 1.28 | 4.34 | c | 3.42 | 3.85 | e | ----- | z | ||||
1950 | 3.09 | n | 2.37 | f | 5.13 | h | 1.53 | e | 0.56 | c | 0.81 | d | 0.58 | 2.10 | 1.71 | a | 4.01 | g | 4.75 | f | 3.01 | g | ----- | z | ||
1951 | 3.69 | f | 6.28 | e | 1.93 | e | 0.48 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | |
1952 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.08 | 0.90 | 1.91 | ----- | z | |||
1953 | 3.48 | 2.16 | 1.57 | 1.80 | a | 0.81 | 0.92 | 0.36 | 0.74 | c | 1.45 | 1.98 | 1.82 | 2.10 | 3.48 | d | ||||||||||
1954 | 2.70 | 2.25 | 1.20 | 1.82 | 0.60 | b | 1.50 | 1.10 | 0.74 | 1.15 | 1.95 | a | 2.80 | e | 2.36 | 2.80 | h | |||||||||
1955 | 1.14 | 2.93 | 2.30 | 1.54 | 1.19 | 0.94 | 1.34 | 0.12 | 0.70 | 3.81 | 2.65 | 4.79 | 4.79 | |||||||||||||
1956 | 1.83 | 1.62 | 1.86 | 1.04 | 0.56 | 0.80 | 0.39 | 0.65 | 1.64 | 3.15 | a | 2.67 | 4.47 | 4.47 | a | |||||||||||
1957 | 2.63 | 1.95 | 2.47 | 1.74 | 0.63 | 1.20 | 1.44 | 0.39 | 0.51 | 1.30 | 1.83 | 2.74 | 2.74 | |||||||||||||
1958 | 2.16 | 1.63 | 1.21 | 1.70 | 0.47 | 1.26 | 0.15 | 0.75 | 2.17 | 2.58 | 4.58 | 2.27 | 4.58 | |||||||||||||
1959 | 3.14 | 1.85 | 1.67 | 2.64 | 1.08 | 0.74 | 0.58 | 0.83 | 3.11 | 3.76 | 4.80 | 5.28 | 5.28 | |||||||||||||
1960 | 1.50 | 1.70 | 1.61 | 1.26 | 1.90 | a | 1.24 | 0.10 | 0.71 | 0.68 | 1.46 | 2.52 | 1.28 | 2.52 | a | |||||||||||
1961 | 2.43 | 3.07 | 1.98 | 2.19 | 0.70 | 0.43 | 1.85 | 1.31 | 1.94 | 2.03 | 2.92 | 2.42 | 3.07 | |||||||||||||
1962 | 3.22 | 0.96 | 2.40 | 2.06 | 1.05 | 1.29 | 1.33 | 1.94 | 1.54 | 1.65 | 3.04 | a | 2.44 | 3.22 | a | |||||||||||
1963 | 1.30 | 3.79 | 2.40 | 1.31 | 1.02 | 0.67 | 0.66 | 0.75 | 0.61 | 1.83 | 1.40 | 1.09 | 3.79 | |||||||||||||
1964 | 2.79 | 2.15 | 1.93 | 1.15 | 1.20 | 1.10 | 0.30 | 0.82 | 2.12 | 1.18 | 3.60 | 3.59 | 3.60 | |||||||||||||
1965 | 3.99 | 1.41 | 0.39 | 0.70 | 1.20 | 0.00 | 0.20 | 0.62 | 2.00 | 1.31 | 1.41 | 2.06 | 3.99 | |||||||||||||
1966 | 2.44 | 1.68 | 1.48 | 1.00 | 0.86 | 1.05 | 0.74 | 0.87 | 0.35 | 1.45 | 2.02 | 3.09 | 3.09 | |||||||||||||
1967 | 3.86 | 2.19 | 1.50 | 1.04 | 0.51 | 0.47 | 0.05 | 0.00 | 1.05 | 2.35 | 2.83 | 4.01 | 4.01 | |||||||||||||
1968 | 3.50 | 3.38 | 2.22 | 0.83 | 1.21 | 2.35 | 0.51 | 1.05 | 2.09 | ----- | z | 2.43 | 3.50 | ----- | z | |||||||||||
1969 | 4.08 | 1.11 | 1.20 | 1.20 | 0.29 | 0.72 | 0.24 | 0.02 | ----- | z | 0.35 | k | 0.97 | 2.50 | ----- | z | ||||||||||
1970 | 2.26 | 1.71 | 1.28 | 2.20 | 0.52 | 0.44 | 0.69 | 0.48 | 1.05 | 1.40 | 3.88 | 1.98 | 3.88 | |||||||||||||
1971 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | 1.19 | e | 3.75 | ----- | z | |
1972 | 3.29 | a | 3.78 | g | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1973 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1974 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1975 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1976 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1977 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1978 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1979 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1980 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1981 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1982 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1983 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1984 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1985 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1986 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1987 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1988 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1989 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1990 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1991 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1992 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1993 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1994 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1995 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1996 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1997 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1998 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
1999 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2000 | 1.20 | v | 3.00 | q | 0.90 | k | 1.50 | g | 0.90 | a | 1.40 | f | 0.70 | h | 0.50 | f | 1.80 | p | 1.90 | g | 2.10 | e | 0.60 | v | ----- | z |
2001 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
2002 | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z | ----- | z |
Period of Record Statistics | ||||||||||||||||||||||||||
MEAN | 2.56 | 2.29 | 1.78 | 1.35 | 0.98 | 0.95 | 0.59 | 0.94 | 1.28 | 2.13 | 2.49 | 2.87 | 3.77 | |||||||||||||
S.D. | 0.90 | 1.20 | 0.68 | 0.60 | 0.49 | 0.60 | 0.50 | 0.92 | 0.86 | 1.09 | 1.15 | 1.14 | 0.97 | |||||||||||||
SKEW | 0.11 | 1.50 | 0.65 | 0.61 | 0.48 | 0.98 | 0.73 | 2.63 | 1.95 | 1.14 | 0.82 | 0.62 | 0.77 | |||||||||||||
MAX | 4.40 | 6.28 | 4.03 | 3.00 | 2.12 | 2.90 | 1.85 | 5.00 | 5.00 | 5.68 | 6.10 | 5.61 | 6.10 | |||||||||||||
MIN | 0.93 | 0.65 | 0.39 | 0.48 | 0.10 | 0.00 | 0.00 | 0.00 | 0.10 | 0.01 | 0.50 | 0.95 | 2.52 | |||||||||||||
YRS | 48 | 48 | 48 | 50 | 53 | 51 | 51 | 49 | 48 | 50 | 53 | 49 | 32 |