Lewiston Lake water level

What this means

Nothing unusual at Lewiston Lake right now: the lake level of 1,901.20 ft is in the normal range for mid-October.

The median for mid-October is 1,901.25 ft, based on 36 years of readings, so the lake level is 0.05 ft below typical. On the same day last year the reading was 1,901.12 ft, a difference of +0.08 ft.

The level is falling, down 0.23 ft over the past week. Over the past 30 days it has moved between 1,901.04 ft and 1,901.85 ft.

Lakes and reservoirs often sit lower in fall after a summer of evaporation and use, and recover with winter rain and spring snowmelt.

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

Key numbers

Median for this date

1,901.25 ft0.05 ft below the median for this date

Normal for this date

1,900.70 ft – 1,901.63 ft8 years in 10 fall in this range (36 years of records)

Same day last year

1,901.12 ft+0.08 ft

Lowest and highest in 30 days

1,901.04 ft – 1,901.85 ft

Lowest and highest in 12 months

1,900.13 ft – 1,901.90 ft