Afterbay Reservoir at Dam near McGehees Mill water level

What this means

At 364.26 ft, Afterbay Reservoir at Dam near McGehees Mill is far below normal for mid-October.

That puts it 6.31 ft below the median of 370.57 ft for mid-October, based on 7 years of readings. A year ago it stood at 369.18 ft (−4.92 ft).

The level is falling, down 0.04 ft over the past 24 hours. With the water still dropping, the shoreline keeps moving out. Over the past 30 days it has moved between 364.24 ft and 365.27 ft.

Many reservoirs reach their low point of the year in fall, before winter rain and snow start the refill.

Compared with 7 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date

370.57 ft6.31 ft below the median for this date

Normal for this date

366.30 ft – 373.75 ft8 years in 10 fall in this range (7 years of records)

Same day last year

369.18 ft−4.92 ft

Lowest and highest in 30 days

364.24 ft – 365.27 ft

Lowest and highest in 12 months

364.30 ft – 373.95 ft