USGS Streamgage 09359020
Animas River below Silverton, CO
Animas River below Silverton, CO is USGS streamgage 09359020 in Colorado, monitoring river discharge in hydrologic subbasin 14080104. It drains a watershed of about 146 square miles. Discharge records at this site go back to 1991. Typical flow runs near 354.5 cfs in July and 159.1 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 146 sq mi
- Gauge elevation
- 9,196 ft
- Subbasin (HUC-8)
- 14080104
- Coordinates
- 37.78833, -107.66822
- USGS site number
- 09359020
- Records begin
- 1991-10-01 (35 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 35 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 | 44.1 | 62.2 | 77.7 | |
| February | 43.1 | 56 | 77.2 | |
| March | 47.1 | 67.2 | 116.3 | |
| April | 94.9 | 159.1 | 289.8 | |
| May | 284 | 572.5 | 1,174.1 | |
| June | 363.3 | 941.4 | 1,781.7 | |
| July | 135.2 | 354.5 | 848.2 | |
| August | 93.9 | 184 | 417.5 | |
| September | 82.4 | 128.8 | 311.1 | |
| October | 74.1 | 113.2 | 246.4 | |
| November | 57 | 84.2 | 113.6 | |
| December | 49.8 | 66.4 | 84.5 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Cascade Creek above Cascade Creek Diversion near Rockwood, CO
- Cascade Creek below Cascade Creek Diversion near Rockwood, CO
- Animas River at Tall Timber Resort above Tacoma, CO
- Hermosa Creek near Hermosa, CO
- Animas River at Durango, CO
- Animas River below Durango Pump Plant near Durango, CO
- Animas River near Cedar Hill, NM
- Animas River below Aztec, NM