USGS

National Water Conditions

U.S. Geological Survey
Environment Canada Climate Information Branch

JAN 1991 || FEB 1991 || MAR 1991 || APR 1991 || MAY 1991 || JUNE 1991 ||
JULY 1991 || AUG 1991 || SEP 1991 || OCT 1991 || NOV 1991 || DEC 1991 ||

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