USGS Streamgage 12062502
Purdy Creek at Hwy101 near Union, WA
Purdy Creek at Hwy101 near Union, WA is USGS streamgage 12062502 in Washington, monitoring river discharge in hydrologic subbasin 17110017. Discharge records at this site go back to 2021.
Gauge details
- State
- Washington
- Gauge elevation
- 23 ft
- Subbasin (HUC-8)
- 17110017
- Coordinates
- 47.30325, -123.18019
- USGS site number
- 12062502
- Records begin
- 2021-10-21 (5 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 1 years of data), averaged within each month. These describe the historical normal range — they are not a forecast and not today's reading.
Only 7 of 12 months have enough record to summarize; the rest are omitted.
| Month | Low p10 | Typical p50 | High p90 | Range |
|---|---|---|---|---|
| January | — | 54.5 | — | |
| February | — | 48 | — | |
| March | — | 50.4 | — | |
| April | — | 48.2 | — | |
| October | — | 56 | — | |
| November | — | 57.8 | — | |
| December | — | 51.1 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Purdy Creek at Hwy101 near Union, WA normally run highest?
- November, on the long-term record. The median daily flow that month is about 57.8 cfs, against 48 cfs in February, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has Purdy Creek at Hwy101 near Union, WA been measured?
- Discharge records at USGS site 12062502 begin in 2021, about 5 years, covering roughly 273 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Purdy Creek at Hwy101 near Union, WA?
- The gauge sits at 47.30325, -123.18019, in Washington, in hydrologic subbasin 17110017, at an elevation of about 23 feet.
- Can I use Purdy Creek at Hwy101 near Union, WA data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.