USGS Streamgage 06807410
West Nishnabotna River at Hancock, IA
West Nishnabotna River at Hancock, IA is USGS streamgage 06807410 in Iowa, monitoring river discharge in hydrologic subbasin 10240002. It sits on the West Nishnabotna River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 609 square miles. Discharge records at this site go back to 1959. Typical flow runs near 307.2 cfs in July and 270.1 cfs in April, with the higher of the two arriving in July. Rivermatics issues a daily machine-learned flow outlook for this gauge, reaching 14 days ahead.
View live conditions & forecast →
Gauge details
- State
- Iowa
- Drainage area
- 609 sq mi
- Gauge elevation
- 1,115 ft
- Subbasin (HUC-8)
- 10240002
- Coordinates
- 41.39011, -95.37206
- USGS site number
- 06807410
- Records begin
- 1959-10-01 (67 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for West Nishnabotna River at Hancock, IA. 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 |
|---|---|---|---|---|
| 168 | 177 | 188 | ||
| 154 | 168 | 213 | ||
| 149 | 174 | 297 | ||
| 148 | 211 | 571 | ||
| 158 | 302 | 869 | ||
| 205 | 458 | 1,433 | ||
| 263 | 636 | 1,728 | ||
| 305 | 726 | 1,846 | ||
| 318 | 704 | 1,597 | ||
| 271 | 551 | 1,210 | ||
| 239 | 440 | 921 | ||
| 209 | 352 | 708 | ||
| 188 | 307 | 622 | ||
| 170 | 267 | 562 |
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 67 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 | 21.8 | 85.6 | 359.3 | |
| February | 34.4 | 140.1 | 635.3 | |
| March | 63 | 257.6 | 1,166.5 | |
| April | 64.9 | 270.1 | 902.7 | |
| May | 75.5 | 381.3 | 1,274.5 | |
| June | 85.7 | 431.7 | 1,526.1 | |
| July | 70.6 | 307.2 | 917.1 | |
| August | 45.7 | 180.5 | 590.1 | |
| September | 39.5 | 145.9 | 597.6 | |
| October | 36.3 | 127.4 | 700.4 | |
| November | 39.8 | 129 | 527.8 | |
| December | 26.7 | 102.8 | 433.5 |
All values in cubic feet per second (cfs).
Common questions
- When does West Nishnabotna River at Hancock, IA normally run highest?
- June, on the long-term record. The median daily flow that month is about 431.7 cfs, against 85.6 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 West Nishnabotna River at Hancock, IA?
- It depends on the month. In January, half of days historically fall near 85.6 cfs, with the middle 80% of days between 21.8 and 359.3 cfs. The month-by-month table on this page gives the full range.
- How long has West Nishnabotna River at Hancock, IA been measured?
- Discharge records at USGS site 06807410 begin in 1959, about 67 years, covering roughly 9,200 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for West Nishnabotna River at Hancock, IA?
- 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 West Nishnabotna River at Hancock, IA?
- The gauge sits at 41.39011, -95.37206, in Iowa, in hydrologic subbasin 10240002, at an elevation of about 1,115 feet, draining roughly 609 square miles.
- Can I use West Nishnabotna River at Hancock, IA 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.
Upstream and downstream on the West Nishnabotna River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the West Nishnabotna River in full.
- West Nishnabotna River at Hancock, IA this page
- West Nishnabotna River at Randolph, IA 1,326 sq mi