USGS Streamgage 12090500
Clover Creek near Tillicum, WA
Clover Creek near Tillicum, WA is USGS streamgage 12090500 in Washington, monitoring river discharge in hydrologic subbasin 17110019. It drains a watershed of about 74 square miles. Discharge records at this site go back to 1949. Typical flow runs near 10.2 cfs in July and 52 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 74 sq mi
- Gauge elevation
- 275 ft
- Subbasin (HUC-8)
- 17110019
- Coordinates
- 47.1459, -122.51038
- USGS site number
- 12090500
- Records begin
- 1949-07-01 (77 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 77 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 | 19.7 | 62.2 | 176.2 | |
| February | 23.3 | 68.1 | 169.4 | |
| March | 29.2 | 68.5 | 167.1 | |
| April | 26.9 | 52 | 115.4 | |
| May | 16.9 | 31.7 | 74.1 | |
| June | 7.6 | 20.2 | 44.5 | |
| July | 1.7 | 10.2 | 21.6 | |
| August | 0.1 | 3.4 | 10.6 | |
| September | 0 | 1.7 | 8.2 | |
| October | 0 | 2.3 | 11.4 | |
| November | 0.1 | 11.3 | 37.1 | |
| December | 4.8 | 33.5 | 106.2 |
All values in cubic feet per second (cfs).
Other gauges in this subbasin
- Flett Creek at Tacoma, WA
- Leach Creek near Fircrest, WA
- Leach Creek at Meadow Park Gc at University Place, WA
- Chambers Creek below Leach Creek near Steilacoom, WA
- Mission Creek near Tulalip, WA
- West Fork Tulalip Creek near Tulalip, WA
- East Fork Tulalip Creek near Mouth near Tulalip, WA
- Tulalip Creek near Tulalip, WA