USGS

National Water Conditions

U.S. Geological Survey
Environment Canada Climate Information Branch

Animation of Annual Streamflow Maps

1921-1996

Animation of Monthly Streamflow Maps

2000
1990 || 1991 || 1992 || 1993 || 1994 || 1995 || 1996 || 1997 || 1998 || 1999
1980 || 1981 || 1982 || 1983 || 1984 || 1985 || 1986 || 1987 || 1988 || 1989
1970 || 1971 || 1972 || 1973 || 1974 || 1975 || 1976 || 1977 || 1978 || 1979
1960 || 1961 || 1962 || 1963 || 1964 || 1965 || 1966 || 1967 || 1968 || 1969
1950 || 1951 || 1952 || 1953 || 1954 || 1955 || 1956 || 1957 || 1958 || 1959
1944 || 1945 || 1946 || 1947 || 1948 || 1949 ||


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