Over the contiguous United States, precipitation, temperature, streamflow, and heavy and very heavy precipitation increased during the twentieth century. 

Author(s): Groisman, P.Y., et al.

Date: 2004

Link: https://journals.ametsoc.org/view/journals/hydr/5/1/1525-7541_2004_005_0064_ccothc_2_0_co_2.xml

Overview:
Scientific Literature

Additional Topics:
Ecosystem
Freshwater inputs

Geographic Areas:
East Coast
Gulf of Maine
Northeast U.S.
West Coast