USGS Streamgage 14375100
Sucker Creek below Little Grayback Creek, near Holland, OR
Sucker Creek below Little Grayback Creek, near Holland, OR is USGS streamgage 14375100 in Oregon, monitoring river discharge in hydrologic subbasin 17100311. It drains a watershed of about 84 square miles. Discharge records at this site go back to 1964. Typical flow runs near 52.6 cfs in July and 308.3 cfs in April, with the higher of the two arriving in April. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- Oregon
- Drainage area
- 84 sq mi
- Subbasin (HUC-8)
- 17100311
- Coordinates
- 42.15956, -123.47895
- USGS site number
- 14375100
- Records begin
- 1964-12-22 (62 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Sucker Creek below Little Grayback Creek, near Holland, OR. Each day carries a median estimate and the band the model expects the flow to fall within — not a single number to plan against. Forecasts are re-issued daily; see the live screen for the current outlook.
| Date | Low p10 | Expected p50 | High p90 | Range |
|---|---|---|---|---|
| 18.5 | 19 | 19.4 | ||
| 18.8 | 20.2 | 22.8 | ||
| 18.6 | 20.1 | 22.6 | ||
| 18.1 | 19.5 | 21.4 | ||
| 17.7 | 19.1 | 20.7 | ||
| 17.4 | 18.8 | 20.3 | ||
| 17.1 | 18.5 | 20 | ||
| 16.7 | 18.2 | 19.8 | ||
| 16.5 | 18.1 | 19.8 | ||
| 16.4 | 18 | 19.8 | ||
| 16.1 | 17.8 | 19.6 | ||
| 15.8 | 17.5 | 19.4 | ||
| 15.5 | 17.2 | 19.2 | ||
| 17.3 | 21.1 | 29.2 |
All values in cubic feet per second (cfs). Estimates only — do not use them for navigation or for any safety, rescue, or emergency decision.
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 61 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 | 76.2 | 233 | 872.8 | |
| February | 107.4 | 262.2 | 827.8 | |
| March | 131.2 | 309.6 | 810.5 | |
| April | 131.8 | 308.3 | 638.5 | |
| May | 106.5 | 233 | 537.1 | |
| June | 60 | 109.4 | 308.5 | |
| July | 32.2 | 52.6 | 103.8 | |
| August | 21.9 | 33.3 | 54.5 | |
| September | 17.9 | 28.2 | 43.5 | |
| October | 19 | 31.8 | 79.2 | |
| November | 27.4 | 64.1 | 389.9 | |
| December | 38.4 | 145.6 | 804.3 |
All values in cubic feet per second (cfs).
Common questions
- When does Sucker Creek below Little Grayback Creek, near Holland, OR normally run highest?
- March, on the long-term record. The median daily flow that month is about 309.6 cfs, against 28.2 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Sucker Creek below Little Grayback Creek, near Holland, OR?
- It depends on the month. In January, half of days historically fall near 233 cfs, with the middle 80% of days between 76.2 and 872.8 cfs. The month-by-month table on this page gives the full range.
- How long has Sucker Creek below Little Grayback Creek, near Holland, OR been measured?
- Discharge records at USGS site 14375100 begin in 1964, about 62 years, covering roughly 6,518 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Sucker Creek below Little Grayback Creek, near Holland, OR?
- Yes. Rivermatics trains a machine-learned model — a temporal-fusion transformer — on this basin's observed flows, weather, and snowpack, and issues a daily flow outlook reaching 14 days ahead: a median estimate inside a confidence band, not a single number to bet on. Every forecast is scored against days the model never trained on, and that track record is published on the live gauge screen. Open live conditions to see the current outlook.
- Where is Sucker Creek below Little Grayback Creek, near Holland, OR?
- The gauge sits at 42.15956, -123.47895, in Oregon, in hydrologic subbasin 17100311, draining roughly 84 square miles.
- Can I use Sucker Creek below Little Grayback Creek, near Holland, OR 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.