Kvichak River at Igiugig AK: flow right now vs. normal
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—flow right now
—of typical for this month
—gage height
The Kvichak River at Igiugig AK gauge has averaged 17,884 cfs over 24 years of monthly records. Flow is usually highest in September (26,771 cfs) and lowest in April (11,171 cfs).
Typical flow by month
Highest in September (26,771 cfs), lowest in April (11,171 cfs).
Key figures
- Average flow
- 17,884 cfs
- Highest peak on record
- 48,700 cfs
- Year of that peak
- 1980
- Drainage area
- 6,400 sq mi
- Years of records
- 24
- Gauge elevation
- 28 ft
- River
- Kvichak River
- County
- Lake and Peninsula Borough
- State
- Alaska
Monthly numbers
| Month | Average | Median | Lowest | Highest |
|---|---|---|---|---|
| Jan | 15,530 cfs | 16,000 cfs | 10,000 cfs | 20,400 cfs |
| Feb | 13,780 cfs | 13,800 cfs | 8,000 cfs | 19,000 cfs |
| Mar | 12,317 cfs | 12,100 cfs | 7,000 cfs | 24,000 cfs |
| Apr | 11,171 cfs | 10,550 cfs | 6,800 cfs | 22,000 cfs |
| May | 11,280 cfs | 11,100 cfs | 7,000 cfs | 17,500 cfs |
| Jun | 14,533 cfs | 14,700 cfs | 10,500 cfs | 19,600 cfs |
| Jul | 19,596 cfs | 19,100 cfs | 13,600 cfs | 28,300 cfs |
| Aug | 24,746 cfs | 23,200 cfs | 15,000 cfs | 40,300 cfs |
| Sep | 26,771 cfs | 25,450 cfs | 17,350 cfs | 43,200 cfs |
| Oct | 25,222 cfs | 25,400 cfs | 17,000 cfs | 38,500 cfs |
| Nov | 21,493 cfs | 21,850 cfs | 14,000 cfs | 33,550 cfs |
| Dec | 17,887 cfs | 18,000 cfs | 11,500 cfs | 27,000 cfs |
Monthly averages of daily flow over the gauge's record. Lowest and highest are the extreme monthly averages for that month.
How Kvichak River at Igiugig AK compares in Alaska
- Kvichak River at Igiugig AK ranks #10 of 86 gauges in Alaska in this dataset by average flow.
- That places it in the top 12% in Alaska by average flow.
- The median average flow of gauges in Alaska is 548 cfs.
- Among all 2,293 gauges in the dataset, Kvichak River at Igiugig AK ranks #38 by average flow.
Data: U.S. Geological Survey (USGS) (public domain, U.S. federal data).· Updated 2026-11-02 · Text generated from the data and checked against it.
Live values are provisional USGS data. Measurements only, not a safety assessment — for flood warnings see the National Weather Service. Official page: USGS 15300500.