USGS Streamgage 06354815
Porcupine Creek near Fort Yates, ND
Porcupine Creek near Fort Yates, ND is USGS streamgage 06354815 in North Dakota, monitoring river discharge in hydrologic subbasin 10130102. It drains a watershed of about 219 square miles. Discharge records at this site go back to 1991. Typical flow runs near 9.5 cfs in July and 10.7 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
- North Dakota
- Drainage area
- 219 sq mi
- Gauge elevation
- 1,660 ft
- Subbasin (HUC-8)
- 10130102
- Coordinates
- 46.19333, -100.75139
- USGS site number
- 06354815
- Records begin
- 1991-07-01 (35 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Porcupine Creek near Fort Yates, ND. 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 |
|---|---|---|---|---|
| 2.1 | 2.2 | 2.3 | ||
| 2 | 2.2 | 2.4 | ||
| 2 | 2.2 | 2.4 | ||
| 1.9 | 2.2 | 2.8 | ||
| 1.9 | 2.2 | 2.8 | ||
| 1.9 | 2.2 | 2.9 | ||
| 1.8 | 2.2 | 2.8 | ||
| 1.8 | 2.1 | 2.7 | ||
| 1.7 | 2.1 | 2.6 | ||
| 1.6 | 2.1 | 2.5 | ||
| 1.6 | 2 | 2.5 | ||
| 1.5 | 2 | 2.5 | ||
| 1.5 | 2 | 2.5 | ||
| 1.5 | 2 | 2.5 |
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 35 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 | 0.9 | 2.2 | 9.3 | |
| February | 1.3 | 5.5 | 96.2 | |
| March | 1.9 | 11.4 | 418.3 | |
| April | 2.3 | 10.7 | 278.5 | |
| May | 1.9 | 12.1 | 327.8 | |
| June | 2.2 | 7.4 | 83.5 | |
| July | 2 | 9.5 | 104.9 | |
| August | 1.3 | 3.9 | 45.4 | |
| September | 0.9 | 2.4 | 61.5 | |
| October | 1 | 3.3 | 86.5 | |
| November | 1.5 | 3.7 | 23.8 | |
| December | 1.4 | 3 | 9.6 |
All values in cubic feet per second (cfs).
Common questions
- When does Porcupine Creek near Fort Yates, ND normally run highest?
- May, on the long-term record. The median daily flow that month is about 12.1 cfs, against 2.2 cfs in January, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Porcupine Creek near Fort Yates, ND?
- It depends on the month. In January, half of days historically fall near 2.2 cfs, with the middle 80% of days between 0.9 and 9.3 cfs. The month-by-month table on this page gives the full range.
- How long has Porcupine Creek near Fort Yates, ND been measured?
- Discharge records at USGS site 06354815 begin in 1991, about 35 years, covering roughly 2,926 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Porcupine Creek near Fort Yates, ND?
- 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 Porcupine Creek near Fort Yates, ND?
- The gauge sits at 46.19333, -100.75139, in North Dakota, in hydrologic subbasin 10130102, at an elevation of about 1,660 feet, draining roughly 219 square miles.
- Can I use Porcupine Creek near Fort Yates, ND 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.