USGS Streamgage 09152500
Gunnison River near Grand Junction, CO
Gunnison River near Grand Junction, CO is USGS streamgage 09152500 in Colorado, monitoring river discharge in hydrologic subbasin 14020005. It drains a watershed of about 7,923 square miles. Discharge records at this site go back to 1896. Typical flow runs near 1,845.8 cfs in July and 2,365.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Colorado
- Drainage area
- 7,923 sq mi
- Gauge elevation
- 4,647 ft
- Subbasin (HUC-8)
- 14020005
- Coordinates
- 38.98332, -108.45064
- USGS site number
- 09152500
- Records begin
- 1896-10-01 (130 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 130 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 | 689.7 | 958.1 | 2,309.7 | |
| February | 701.3 | 1,008.6 | 2,244.1 | |
| March | 747.2 | 1,159.4 | 2,650 | |
| April | 985 | 2,365.3 | 5,712.3 | |
| May | 1,788.7 | 5,809 | 13,797.4 | |
| June | 1,425.2 | 5,321.7 | 13,024 | |
| July | 619.3 | 1,845.8 | 4,794.8 | |
| August | 539.2 | 1,234.2 | 2,574.8 | |
| September | 553.3 | 1,292.3 | 2,521 | |
| October | 762.4 | 1,376.5 | 2,564.2 | |
| November | 875.9 | 1,266 | 2,407.7 | |
| December | 751.4 | 1,056.1 | 2,432.9 |
All values in cubic feet per second (cfs).