USGS Streamgage 12413860
Coeur D Alene River near Harrison, ID
Coeur D Alene River near Harrison, ID is USGS streamgage 12413860 in Idaho, monitoring river discharge in hydrologic subbasin 17010303. It sits on the Coeur D Alene River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 1,453 square miles. Discharge records at this site go back to 1991. Typical flow runs near 885.6 cfs in July and 6,107.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Idaho
- Drainage area
- 1,453 sq mi
- Gauge elevation
- 2,124 ft
- Subbasin (HUC-8)
- 17010303
- Coordinates
- 47.47861, -116.73306
- USGS site number
- 12413860
- Records begin
- 1991-01-01 (35 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 21 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | 806.4 | 1,622.9 | 5,593.2 | |
| February | 983.4 | 1,901.7 | 7,221.8 | |
| March | 1,446.8 | 3,456.1 | 9,424.2 | |
| April | 2,685.3 | 6,107.3 | 10,937 | |
| May | 2,149.7 | 6,068.4 | 12,493.5 | |
| June | 1,019.1 | 2,067.7 | 7,960 | |
| July | 504.6 | 885.6 | 1,636.5 | |
| August | 284.7 | 471.3 | 736.5 | |
| September | 272.8 | 401.5 | 594 | |
| October | 343.6 | 532.6 | 1,031.7 | |
| November | 521.5 | 946 | 2,668 | |
| December | 484.3 | 1,285.9 | 4,166.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Coeur D Alene River near Harrison, ID normally run highest?
- April, on the long-term record. The median daily flow that month is about 6,107.3 cfs, against 401.5 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Coeur D Alene River near Harrison, ID?
- It depends on the month. In January, half of days historically fall near 1,622.9 cfs, with the middle 80% of days between 806.4 and 5,593.2 cfs. The month-by-month table on this page gives the full range.
- How long has Coeur D Alene River near Harrison, ID been measured?
- Discharge records at USGS site 12413860 begin in 1991, about 35 years, covering roughly 8,087 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Coeur D Alene River near Harrison, ID?
- The gauge sits at 47.47861, -116.73306, in Idaho, in hydrologic subbasin 17010303, at an elevation of about 2,124 feet, draining roughly 1,453 square miles.
- Can I use Coeur D Alene River near Harrison, ID data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Upstream and downstream on the Coeur D Alene River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Coeur D Alene River in full.
- Coeur D Alene River near Cataldo, ID 1,208 sq mi
- Coeur D Alene River near Harrison, ID this page