Trace amounts of rain fell over some northern areas of the basin over the past 24 hours according to the Middle Atlantic River Forecast Center. Forecasts are calling for 0.5 to 1.5 inches of rainfall across much of the basin over the next 7 days.
REVISION 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: 0.00014 (inches)
Past 3-day cumulative area-weighted average basin precip: 0.34928 (inches)
Past 7-day cumulative area-weighted average basin precip: 0.43813 (inches)
Daily Flows:
Little Falls gage flow 2019-10-02: 1112 MGD (1720 cfs)
Little Falls gage flow 2019-10-03: 1144 MGD (est., based on recently available real time data) (1770 cfs)
Note: Gage flow at Little Falls is measured after water supply withdrawals.
Point of Rocks flow 2019-10-02: 1396 MGD (2160 cfs)
Point of Rocks flow 2019-10-03: 1415 MGD (est., based on recently available real time data) (2190 cfs)
Yesterday's Net Potomac withdrawal (2019-10-02):
FW Corbalis withdrawal (Potomac): 129 MGD
WSSC Potomac withdrawal: 151 MGD
Aqueduct withdrawal: 158 MGD
Loudoun withdrawal: 10 MGD
Total Potomac withdrawal: 448 MGD