USGS Streamgage 14013000
Mill Creek near Walla Walla, WA
Mill Creek near Walla Walla, WA is USGS streamgage 14013000 in Washington, monitoring river discharge in hydrologic subbasin 17070102. It drains a watershed of about 60 square miles. Discharge records at this site go back to 1913. Typical flow runs near 34.2 cfs in July and 149.4 cfs in April, with the higher of the two arriving in April.
Gauge details
- State
- Washington
- Drainage area
- 60 sq mi
- Subbasin (HUC-8)
- 17070102
- Coordinates
- 46.00789, -118.11856
- USGS site number
- 14013000
- Records begin
- 1913-10-01 (113 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 113 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 | 41.3 | 84.7 | 275 | |
| February | 51.5 | 104 | 302.6 | |
| March | 64.3 | 133.3 | 307.1 | |
| April | 83.9 | 149.4 | 304.8 | |
| May | 63.7 | 116.5 | 234.1 | |
| June | 35.4 | 59.9 | 138.5 | |
| July | 26.1 | 34.2 | 50.6 | |
| August | 23.4 | 29.7 | 40.2 | |
| September | 23.8 | 30.1 | 42 | |
| October | 25.2 | 34.1 | 54.8 | |
| November | 29.9 | 52.2 | 129.7 | |
| December | 35.4 | 73.8 | 217.1 |
All values in cubic feet per second (cfs).