USGS Streamgage 06720820
Big Dry Creek at Westminster, CO
Big Dry Creek at Westminster, CO is USGS streamgage 06720820 in Colorado, monitoring river discharge in hydrologic subbasin 10190003. It drains a watershed of about 44 square miles. Discharge records at this site go back to 1987. Typical flow runs near 19.1 cfs in July and 5.2 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Colorado
- Drainage area
- 44 sq mi
- Gauge elevation
- 5,228 ft
- Subbasin (HUC-8)
- 10190003
- Coordinates
- 39.90568, -105.03539
- USGS site number
- 06720820
- Records begin
- 1987-07-24 (39 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 39 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 | 1 | 1.7 | 3.8 | |
| February | 1 | 1.9 | 5.8 | |
| March | 1.1 | 2.6 | 17.2 | |
| April | 1.5 | 5.2 | 29.4 | |
| May | 3 | 17.2 | 60.8 | |
| June | 3.6 | 31.7 | 80.6 | |
| July | 2.9 | 19.1 | 67.3 | |
| August | 4.3 | 24.5 | 52.5 | |
| September | 2.2 | 16.4 | 40.5 | |
| October | 1.2 | 2.6 | 12.6 | |
| November | 1.3 | 2.2 | 7.2 | |
| December | 1 | 1.7 | 4.7 |
All values in cubic feet per second (cfs).