USGS Streamgage 13087505
Lower Milner Power Plant at Milner, ID
Lower Milner Power Plant at Milner, ID is USGS streamgage 13087505 in Idaho, monitoring river discharge in hydrologic subbasin 17040212. Discharge records at this site go back to 1992. Typical flow runs near 1,490.6 cfs in July and 211.6 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Idaho
- Subbasin (HUC-8)
- 17040212
- Coordinates
- 42.52463, -114.03031
- USGS site number
- 13087505
- Records begin
- 1992-11-18 (34 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 | 8.2 | 488.1 | 4,493.5 | |
| February | 0 | 497.1 | 4,430.4 | |
| March | 0 | 431.7 | 5,153.9 | |
| April | 0 | 211.6 | 5,336.7 | |
| May | 0 | 449.9 | 5,302.9 | |
| June | 0 | 824.7 | 4,917 | |
| July | 0 | 1,490.6 | 4,328.7 | |
| August | 0 | 272.8 | 2,353.5 | |
| September | 0 | 0 | 466.4 | |
| October | 0 | 96.6 | 1,006.7 | |
| November | 0 | 289.7 | 1,648.3 | |
| December | 11.5 | 373.6 | 4,089 |
All values in cubic feet per second (cfs).
Common questions
- When does Lower Milner Power Plant at Milner, ID normally run highest?
- July, on the long-term record. The median daily flow that month is about 1,490.6 cfs, against 0 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 Lower Milner Power Plant at Milner, ID?
- It depends on the month. In January, half of days historically fall near 488.1 cfs, with the middle 80% of days between 8.2 and 4,493.5 cfs. The month-by-month table on this page gives the full range.
- How long has Lower Milner Power Plant at Milner, ID been measured?
- Discharge records at USGS site 13087505 begin in 1992, about 34 years, covering roughly 8,891 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Lower Milner Power Plant at Milner, ID?
- The gauge sits at 42.52463, -114.03031, in Idaho, in hydrologic subbasin 17040212.
- Can I use Lower Milner Power Plant at Milner, 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.
Other gauges in this subbasin
- Snake River Gaging Station at Milner, ID
- Devils Washbowl Spring near Kimberly 10S 18E 04Aad1S
- Snake River near Kimberly, ID
- Snake River near Twin Falls, ID
- Blue Lakes Outlet near Twin Falls Id Mv 15
- Rock Creek Ab Hwy 30/93 Xing at Twin Falls, ID
- Snake River at Pigeon Cove near Twin Falls, ID
- Snake River near Buhl, ID