USGS Streamgage 06898000
Thompson River at Davis City, IA
Thompson River at Davis City, IA is USGS streamgage 06898000 in Iowa, monitoring river discharge in hydrologic subbasin 10280102. It sits on the Thompson River, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 701 square miles. Discharge records at this site go back to 1885. Typical flow runs near 90.6 cfs in July and 267.3 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
- Iowa
- Drainage area
- 701 sq mi
- Gauge elevation
- 908 ft
- Subbasin (HUC-8)
- 10280102
- Coordinates
- 40.64028, -93.80806
- USGS site number
- 06898000
- Records begin
- 1885-08-08 (141 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Thompson River at Davis City, 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 |
|---|---|---|---|---|
| 133 | 225 | 503 | ||
| 84.3 | 142 | 368 | ||
| 61.8 | 98 | 211 | ||
| 54.6 | 91.3 | 297 | ||
| 55.1 | 132 | 1,151 | ||
| 96.5 | 610 | 4,840 | ||
| 166 | 1,145 | 6,480 | ||
| 204 | 1,233 | 5,098 | ||
| 183 | 927 | 3,702 | ||
| 140 | 509 | 1,875 | ||
| 104 | 310 | 1,157 | ||
| 85.4 | 231 | 964 | ||
| 72.4 | 169 | 587 | ||
| 65.9 | 137 | 382 |
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 108 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 | 6.2 | 37.1 | 313.8 | |
| February | 12.4 | 109.4 | 805.6 | |
| March | 35.6 | 227.9 | 1,776.2 | |
| April | 46.7 | 267.3 | 1,789.8 | |
| May | 36.5 | 279 | 2,279.7 | |
| June | 31.1 | 214.6 | 1,814.7 | |
| July | 19.3 | 90.6 | 804.4 | |
| August | 10.8 | 42.7 | 395 | |
| September | 6.7 | 33.7 | 605.7 | |
| October | 4.7 | 26.9 | 386.3 | |
| November | 8.9 | 46.3 | 418 | |
| December | 6.6 | 44.4 | 371.5 |
All values in cubic feet per second (cfs).
Common questions
- When does Thompson River at Davis City, IA normally run highest?
- May, on the long-term record. The median daily flow that month is about 279 cfs, against 26.9 cfs in October, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Thompson River at Davis City, IA?
- It depends on the month. In January, half of days historically fall near 37.1 cfs, with the middle 80% of days between 6.2 and 313.8 cfs. The month-by-month table on this page gives the full range.
- How long has Thompson River at Davis City, IA been measured?
- Discharge records at USGS site 06898000 begin in 1885, about 141 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 Thompson River at Davis City, 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 Thompson River at Davis City, IA?
- The gauge sits at 40.64028, -93.80806, in Iowa, in hydrologic subbasin 10280102, at an elevation of about 908 feet, draining roughly 701 square miles.
- Can I use Thompson River at Davis City, 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 Thompson River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Thompson River in full.
- Thompson River at Davis City, IA this page
- Thompson River at Trenton, MO 1,720 sq mi