Choke Canyon Reservoir water level

What this means

Water is short at Choke Canyon Reservoir: the latest reading of 190.71 ft is far below normal for mid-October.

That puts it 11.72 ft below the median of 202.43 ft for mid-October, based on 36 years of readings. A year ago it stood at 182.49 ft (+8.22 ft).

It is still going down, by 0.18 ft over the past week. With the water still dropping, the shoreline keeps moving out. The 30-day range is 190.71 ft – 191.35 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

202.43 ft11.72 ft below the median for this date

Normal for this date

192.95 ft – 220.32 ft8 years in 10 fall in this range (36 years of records)

Same day last year

182.49 ft+8.22 ft

Lowest and highest in 30 days

190.71 ft – 191.35 ft

Lowest and highest in 12 months

178.23 ft – 192.89 ft