Keswick Reservoir water level

What this means

At 584.58 ft, Keswick Reservoir is holding more water than usual for mid-October.

The median for mid-October is 583.30 ft, based on 36 years of readings, so the lake level is 1.28 ft above typical. On the same day last year the reading was 580.85 ft, a difference of +3.73 ft.

It is on the way up, by 2.04 ft over the past week. The 30-day range is 580.42 ft – 584.58 ft.

Many reservoirs are drawn down through summer and fall; most of the refill comes later, with winter rain or spring snowmelt.

Compared with 36 years of daily readings for this time of year. How to read levels

Key numbers

Median for this date

583.30 ft1.28 ft above the median for this date

Normal for this date

581.17 ft – 584.79 ft8 years in 10 fall in this range (36 years of records)

Same day last year

580.85 ft+3.73 ft

Lowest and highest in 30 days

580.42 ft – 584.58 ft

Lowest and highest in 12 months

577.52 ft – 586.44 ft