USGS Streamgage 13092747
Rock Creek Ab Hwy 30/93 Xing at Twin Falls, ID
Rock Creek Ab Hwy 30/93 Xing at Twin Falls, ID is USGS streamgage 13092747 in Idaho, monitoring river discharge in hydrologic subbasin 17040212. It drains a watershed of about 259 square miles. Discharge records at this site go back to 1992. Typical flow runs near 106.3 cfs in July and 120.2 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Idaho
- Drainage area
- 259 sq mi
- Subbasin (HUC-8)
- 17040212
- Coordinates
- 42.5625, -114.49472
- USGS site number
- 13092747
- Records begin
- 1992-10-01 (34 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 34 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 | 41.6 | 49.1 | 72.4 | |
| February | 38.2 | 47.2 | 119.4 | |
| March | 36.3 | 52 | 196.5 | |
| April | 51.6 | 120.2 | 273.3 | |
| May | 67 | 145.7 | 332.5 | |
| June | 74.5 | 112.6 | 198 | |
| July | 76.8 | 106.3 | 131.8 | |
| August | 94.7 | 130.3 | 160.3 | |
| September | 117 | 151.7 | 187.7 | |
| October | 111.3 | 139.7 | 212.5 | |
| November | 67.9 | 80.1 | 98.1 | |
| December | 50.3 | 58.7 | 77.6 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Snake River at Pigeon Cove near Twin Falls, ID
- Snake River near Buhl, ID
- N Channel Snake River Upper Salmon Falls near Hagerman
- Snake River below Lower Salmon Falls near Hagerman, ID
- Snake River below Bliss Dam near Bliss, ID
- Lower Milner Power Plant at Milner, ID
- Snake River Gaging Station at Milner, ID
- Devils Washbowl Spring near Kimberly 10S 18E 04Aad1S