Monitoring Reports

Situational Awareness (Tuesday, 2025-12-23)
According to information from the Middle Atlantic River Forecast Center, 0.01 to 0.25 inches of rain fell in the northern portion of the Potomac watershed during the past 24 hours and average accumulations of approximately 0.1 inches are expected over the next 3 days. 

Special Conditions
Yesterday’s daily flow at Point of Rocks was unavailable and was computed from provisional real-time data.

Situational Awareness (Monday, 2025-12-22)
According to the Middle Atlantic River Forecast Center, no rain fell in the basin over the past 24 hours. The week-long outlook expects a total of approximately 0.1 to 0.25 inches of rain in the basin, with greater totals expected in western portions of the basin.

Special Conditions
None

Situational Awareness (Friday, 2025-12-19)
According to the Middle Atlantic River Forecast Center, observed precipitation yesterday ranged from about 0.25 to 0.75 inches. Over the next five days, average basin rainfall is expected to be around 0.01 to 0.25 inches, with some areas possibly receiving up to 0.5 inches. 

Situational Awareness (Thursday, 2025-12-18)
According to the Middle Atlantic River Forecast Center, there was no observed precipitation in the basin over the past 24 hours. Between 0.25 and 1 inch of rain is possible over the next 3 days.  

Situational Awareness (Wednesday, 2025-12-17)
According to information from the Middle Atlantic River Forecast Center (MARFC), there was no precipitation during the past 24 hours in the Potomac River watershed about Little Falls. MARFC ensemble forecasts indicate that the watershed will receive a cumulative average of approximately 1/2 inch of rain over the next 3 days.

Special Conditions

Situational Awareness (Tuesday, 2025-12-16)
According to the Middle Atlantic River Forecast Center, no appreciable precipitation fell in the basin over the past 24 hours. Over the next 3 days, the average basin precipitation may be around 0.5 Inches. 

Situational Awareness (Monday, 2025-12-15)
According to the Middle Atlantic River Forecast Center, trace amounts of precipitation fell in eastern portions of the basin over the past 24 hours. Over the next 3 days, no precipitation is anticipated. However, the week-long outlook expects a total of approximately 0.5 inches of precipitation in the basin.

Situational Awareness (Saturday, 2025-12-13)
River flows continue to slowly decline. According to information from the Middle Atlantic River Forecast Center, no significant amounts of rain fell in the Potomac watershed during the past 24 hours. An average accumulation of less than 1/4 inch is expected over the next 3 days.

Situational Awareness (Friday, 2025-12-12):
According to the Middle Atlantic River Forecast Center, scattered trace amounts of precipitation fell in the western basin over the past 24 hours. Over the next three days, up to 0.25 inches of rain is expected across the basin, with up to 0.5 inches possible in and downstream of the DC area.

Special Conditions:
None

Situational Awareness (Thursday, 2025-12-11)
According to the Middle Atlantic River Forecast Center, scattered trace amounts of precipitation fell in the western part of the basin over the past 24 hours.  Up to 0.25 inches of precipitation is expected in the basin over the next 3 days.

Special Conditions
None