USGS Streamgage 13250000
Payette River near Letha, ID
Payette River near Letha, ID is USGS streamgage 13250000 in Idaho, monitoring river discharge in hydrologic subbasin 17050122. It drains a watershed of about 2,760 square miles. Discharge records at this site go back to 1952. Typical flow runs near 1,540.3 cfs in July and 4,504.7 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Idaho
- Drainage area
- 2,760 sq mi
- Subbasin (HUC-8)
- 17050122
- Coordinates
- 43.90172, -116.6333
- USGS site number
- 13250000
- Records begin
- 1952-07-11 (74 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 48 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 | 915.7 | 1,281 | 3,013.2 | |
| February | 1,019.5 | 1,563.8 | 4,739 | |
| March | 1,455.2 | 2,582.3 | 6,705.5 | |
| April | 1,240 | 4,504.7 | 9,587.7 | |
| May | 1,869 | 5,693.5 | 10,804.2 | |
| June | 1,182.3 | 5,148.3 | 10,388.3 | |
| July | 780.9 | 1,540.3 | 3,648.7 | |
| August | 642.4 | 1,052.5 | 1,547.7 | |
| September | 166.5 | 380 | 1,463.3 | |
| October | 411.6 | 672.1 | 1,427.7 | |
| November | 932.6 | 1,208.7 | 1,966.3 | |
| December | 775.7 | 1,182.3 | 2,885.8 |
All values in cubic feet per second (cfs).