USGS Streamgage 06814500
North Fork Big Nemaha River at Humboldt, Nebr.
North Fork Big Nemaha River at Humboldt, Nebr. is USGS streamgage 06814500 in Nebraska, monitoring river discharge in hydrologic subbasin 10240008. It drains a watershed of about 548 square miles. Discharge records at this site go back to 1952. Typical flow runs near 51.3 cfs in July and 72.7 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
- Nebraska
- Drainage area
- 548 sq mi
- Gauge elevation
- 986 ft
- Subbasin (HUC-8)
- 10240008
- Coordinates
- 40.15667, -95.94481
- USGS site number
- 06814500
- Records begin
- 1952-10-01 (74 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for North Fork Big Nemaha River at Humboldt, Nebr.. 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 |
|---|---|---|---|---|
| 22.9 | 37.3 | 74.6 | ||
| 15.3 | 26.8 | 57.6 | ||
| 13 | 25 | 67.9 | ||
| 14 | 31.9 | 132 | ||
| 16.2 | 44.5 | 230 | ||
| 17.9 | 49.8 | 269 | ||
| 17.7 | 52 | 212 | ||
| 18.2 | 51.8 | 168 | ||
| 17.4 | 52.7 | 203 | ||
| 14.5 | 41.2 | 177 | ||
| 12.4 | 32 | 109 | ||
| 10.9 | 27.5 | 103 | ||
| 9.8 | 23.7 | 87.2 | ||
| 9.1 | 21.5 | 67.3 |
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 74 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 | 20.7 | 45.2 | 140.3 | |
| February | 29.3 | 64.7 | 288.1 | |
| March | 30.3 | 78.9 | 737.9 | |
| April | 27.2 | 72.7 | 439.6 | |
| May | 26.1 | 91.2 | 949.8 | |
| June | 21 | 72.4 | 671.2 | |
| July | 14.7 | 51.3 | 471 | |
| August | 11 | 38.6 | 241.5 | |
| September | 11.9 | 34.6 | 349.8 | |
| October | 14.8 | 38.7 | 304.7 | |
| November | 21.9 | 43.1 | 128 | |
| December | 22.4 | 42.7 | 141.6 |
All values in cubic feet per second (cfs).
Common questions
- When does North Fork Big Nemaha River at Humboldt, Nebr. normally run highest?
- May, on the long-term record. The median daily flow that month is about 91.2 cfs, against 34.6 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 North Fork Big Nemaha River at Humboldt, Nebr.?
- It depends on the month. In January, half of days historically fall near 45.2 cfs, with the middle 80% of days between 20.7 and 140.3 cfs. The month-by-month table on this page gives the full range.
- How long has North Fork Big Nemaha River at Humboldt, Nebr. been measured?
- Discharge records at USGS site 06814500 begin in 1952, about 74 years, covering roughly 4,508 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for North Fork Big Nemaha River at Humboldt, Nebr.?
- 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 North Fork Big Nemaha River at Humboldt, Nebr.?
- The gauge sits at 40.15667, -95.94481, in Nebraska, in hydrologic subbasin 10240008, at an elevation of about 986 feet, draining roughly 548 square miles.
- Can I use North Fork Big Nemaha River at Humboldt, Nebr. 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.