Table 2.

Data sources for all streamflow and teleconnections climate variables combined with USDM data.

Data type	Description	Time	Units	Spatial resolution	Temporal resolution
Streamflow (https://waterdata.usgs.gov/nwis/sw)	In-site streamflow measurements obtained fromUSGS gauges	m3/s	point	daily
Pacific North American Pattern	A pattern of air pressure anomalies over the Pacific Ocean and North America	01/01/1950 - present	unitless	none	daily
North Atlantic Oscillation73	An atmospheric phenomena related to the difference in pressure at sea level between Iceland and the Azores High	01/01/1950 - present	unitless	none	daily
Arctic Oscillation74–77	An index computed from differences in sea-level pressure between anomalies in the Arctic and anomalies around 37–45° N	01/01/1950 - present	unitless	none	daily
El Niño Southern Oscillation78	An index computed from sea-surface temperature anomalies in a region off the coast of South America. Included in 7-day, 14-day, 29-day, and 84-day averages.	09/02/1981 - present	unitless	none	weekly