USGS

National Water Conditions

U.S. Geological Survey
Environment Canada Climate Information Branch

JAN 1987 || FEB 1987 || MAR 1987 || APR 1987 || MAY 1987 || JUNE 1987 ||
JULY 1987 || AUG 1987 || SEP 1987 || OCT 1987 || NOV 1987 || DEC 1987 ||

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