According to MARFC's forecasted precipitation, the next 7 days is expected to bring between 0.25 and 1 inch of rain to the basin.
Recent basin-wide average precipitation (above Little Falls):
(based on CO-OP's Low Flow Forecast System analysis of Middle Atlantic River Forecast Center (MARFC) gridded multisensor precipitation estimates)
Yesterday's area-weighted average basin precip: 0 (inches)
Past 3-day cumulative area-weighted average basin precip: 0.04 (inches)
Past 7-day cumulative area-weighted average basin precip: 0.43 (inches)
Daily Flows:
Little Falls gage flow 2019-10-05: 1092 MGD (1690 cfs)
Little Falls gage flow 2019-10-06: 1086 MGD (est., based on recently available real time data) (1680 cfs)
Note: Gage flow at Little Falls is measured after water supply withdrawals.
Point of Rocks flow 2019-10-05: 1150 MGD (1780 cfs)
Point of Rocks flow 2019-10-06: 1189 MGD (est., based on recently available real time data) (1840 cfs)
Yesterday's Net Potomac withdrawal (2019-10-05):
FW Corbalis withdrawal (Potomac): 108 MGD
WSSC Potomac withdrawal: 132 MGD
Aqueduct withdrawal: 163 MGD
Loudoun withdrawal: 10 MGD
Total Potomac withdrawal: 413 MGD