USGS Streamgage 06919900
Sac River near Caplinger Mills, MO
Sac River near Caplinger Mills, MO is USGS streamgage 06919900 in Missouri, monitoring river discharge in hydrologic subbasin 10290106. It sits on the Sac River, alongside 3 other gauges Rivermatics tracks on the same river. It drains a watershed of about 1,810 square miles. Discharge records at this site go back to 1974. Typical flow runs near 1,275.1 cfs in July and 1,701 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.
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Gauge details
- State
- Missouri
- Drainage area
- 1,810 sq mi
- Gauge elevation
- 744 ft
- Subbasin (HUC-8)
- 10290106
- Coordinates
- 37.86983, -93.80317
- USGS site number
- 06919900
- Records begin
- 1974-10-01 (52 years)
- Rivermatics forecast
- 14-day flow outlook
14-day flow forecast
Based on observations through for Sac River near Caplinger Mills, MO. 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 |
|---|---|---|---|---|
| 828 | 1,721 | 2,204 | ||
| 909 | 1,756 | 2,528 | ||
| 671 | 1,619 | 2,463 | ||
| 630 | 1,612 | 2,556 | ||
| 537 | 1,514 | 2,487 | ||
| 481 | 1,458 | 2,460 | ||
| 889 | 1,776 | 2,794 | ||
| 676 | 1,646 | 2,682 | ||
| 466 | 1,452 | 2,475 | ||
| 469 | 1,439 | 2,442 | ||
| 305 | 1,155 | 2,148 | ||
| 352 | 1,203 | 2,157 | ||
| 204 | 936 | 2,117 | ||
| 427 | 1,263 | 2,284 |
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 52 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 | 106.5 | 713.1 | 3,769.4 | |
| February | 127.4 | 991.4 | 4,128.3 | |
| March | 135.6 | 1,124.7 | 5,275.5 | |
| April | 185.2 | 1,701 | 5,792 | |
| May | 203.8 | 2,350.3 | 6,741.3 | |
| June | 146.8 | 1,695 | 5,855 | |
| July | 118.9 | 1,275.1 | 4,420.3 | |
| August | 75.5 | 1,034.6 | 3,054.5 | |
| September | 72.6 | 378.8 | 2,120.3 | |
| October | 62.2 | 178.4 | 2,113.9 | |
| November | 71.4 | 260.3 | 3,466.7 | |
| December | 85.6 | 406.2 | 3,739.4 |
All values in cubic feet per second (cfs).
Common questions
- When does Sac River near Caplinger Mills, MO normally run highest?
- May, on the long-term record. The median daily flow that month is about 2,350.3 cfs, against 178.4 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 Sac River near Caplinger Mills, MO?
- It depends on the month. In January, half of days historically fall near 713.1 cfs, with the middle 80% of days between 106.5 and 3,769.4 cfs. The month-by-month table on this page gives the full range.
- How long has Sac River near Caplinger Mills, MO been measured?
- Discharge records at USGS site 06919900 begin in 1974, about 52 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 Sac River near Caplinger Mills, MO?
- 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 Sac River near Caplinger Mills, MO?
- The gauge sits at 37.86983, -93.80317, in Missouri, in hydrologic subbasin 10290106, at an elevation of about 744 feet, draining roughly 1,810 square miles.
- Can I use Sac River near Caplinger Mills, MO 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 Sac River
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Sac River in full.
- Sac River near Dadeville, MO 257 sq mi
- Sac River near Stockton, MO 1,160 sq mi
- Sac River at Hwy J below Stockton, MO 1,292 sq mi
- Sac River near Caplinger Mills, MO this page