USGS Streamgage 383926107593001
Loutsenhizer Arroyo at Hwy 50 near Olathe, CO
Loutsenhizer Arroyo at Hwy 50 near Olathe, CO is USGS streamgage 383926107593001 in Colorado, monitoring river discharge in hydrologic subbasin 14020006. It sits on the Loutsenhizer Arroyo, alongside 1 other gauge Rivermatics tracks on the same river. It drains a watershed of about 67 square miles. Discharge records at this site go back to 2014. Typical flow runs near 83.2 cfs in July and 48.5 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, alongside daily high and low water-temperature forecasts.
View live conditions & forecast →
Gauge details
- State
- Colorado
- Drainage area
- 67 sq mi
- Gauge elevation
- 5,250 ft
- Subbasin (HUC-8)
- 14020006
- Coordinates
- 38.65721, -107.99229
- USGS site number
- 383926107593001
- Records begin
- 2014-10-01 (12 years)
- Rivermatics forecast
- 14-day flow outlook + water temperature
14-day flow forecast
Based on observations through for Loutsenhizer Arroyo at Hwy 50 near Olathe, CO. 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 |
|---|---|---|---|---|
| 83.8 | 86.9 | 90.1 | ||
| 82 | 86.9 | 92.2 | ||
| 80.5 | 86.6 | 93.3 | ||
| 85.7 | 103 | 159 | ||
| 84.5 | 97 | 129 | ||
| 85.3 | 102 | 144 | ||
| 85.2 | 101 | 135 | ||
| 76.7 | 89.7 | 105 | ||
| 72 | 86.1 | 99.1 | ||
| 70.8 | 84.9 | 97.3 | ||
| 67.6 | 83.2 | 95.5 | ||
| 67.5 | 83 | 95.5 | ||
| 66.8 | 82 | 94.3 | ||
| 66.5 | 81.8 | 94.4 |
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 12 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 | 6.7 | 9.5 | 14.2 | |
| February | 6 | 8.5 | 12.2 | |
| March | 6.6 | 8.4 | 20.6 | |
| April | 21.7 | 48.5 | 75.1 | |
| May | 50.3 | 69.7 | 96.3 | |
| June | 54.4 | 73.6 | 109.1 | |
| July | 64.3 | 83.2 | 124.2 | |
| August | 68.6 | 95.4 | 142.3 | |
| September | 68.9 | 85.9 | 110.9 | |
| October | 57.2 | 79.9 | 107.7 | |
| November | 15.8 | 21 | 31.3 | |
| December | 9.7 | 13 | 16 |
All values in cubic feet per second (cfs).
Common questions
- When does Loutsenhizer Arroyo at Hwy 50 near Olathe, CO normally run highest?
- August, on the long-term record. The median daily flow that month is about 95.4 cfs, against 8.4 cfs in March, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Loutsenhizer Arroyo at Hwy 50 near Olathe, CO?
- It depends on the month. In January, half of days historically fall near 9.5 cfs, with the middle 80% of days between 6.7 and 14.2 cfs. The month-by-month table on this page gives the full range.
- How long has Loutsenhizer Arroyo at Hwy 50 near Olathe, CO been measured?
- Discharge records at USGS site 383926107593001 begin in 2014, about 12 years, covering roughly 4,328 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Is there a flow forecast for Loutsenhizer Arroyo at Hwy 50 near Olathe, CO?
- 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. A companion model forecasts each day's water-temperature high and low. 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 Loutsenhizer Arroyo at Hwy 50 near Olathe, CO?
- The gauge sits at 38.65721, -107.99229, in Colorado, in hydrologic subbasin 14020006, at an elevation of about 5,250 feet, draining roughly 67 square miles.
- Can I use Loutsenhizer Arroyo at Hwy 50 near Olathe, CO 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 Loutsenhizer Arroyo
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Loutsenhizer Arroyo in full.
- Loutsenhizer Arroyo at Hwy 50 near Olathe, CO this page
- Loutsenhizer Arroyo at David Road