USGS Streamgage 06888300
Rock C near Louisville, KS
Rock C near Louisville, KS is USGS streamgage 06888300, monitoring river discharge in hydrologic subbasin 10270102. It drains a watershed of about 128 square miles. Discharge records at this site go back to 1958. Typical flow runs near 22.3 cfs in July and 42.4 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 128 sq mi
- Gauge elevation
- 981 ft
- Subbasin (HUC-8)
- 10270102
- Coordinates
- 39.24916, -96.315
- USGS site number
- 06888300
- Records begin
- 1958-10-01 (68 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 66 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 | 2.8 | 12.4 | 146.8 | |
| February | 3.9 | 19.1 | 144 | |
| March | 6 | 34.3 | 382 | |
| April | 7.4 | 42.4 | 309.5 | |
| May | 11.1 | 61.9 | 1,086.3 | |
| June | 6.9 | 52.8 | 585 | |
| July | 2.8 | 22.3 | 291.5 | |
| August | 1.7 | 9.4 | 336.4 | |
| September | 1.5 | 7 | 333.3 | |
| October | 1.7 | 11 | 281.5 | |
| November | 2.6 | 14 | 96.5 | |
| December | 2.5 | 11.2 | 144 |
All values in cubic feet per second (cfs).
Common questions
- When does Rock C near Louisville, KS normally run highest?
- May, on the long-term record. The median daily flow that month is about 61.9 cfs, against 7 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 Rock C near Louisville, KS?
- It depends on the month. In January, half of days historically fall near 12.4 cfs, with the middle 80% of days between 2.8 and 146.8 cfs. The month-by-month table on this page gives the full range.
- How long has Rock C near Louisville, KS been measured?
- Discharge records at USGS site 06888300 begin in 1958, about 68 years, covering roughly 2,754 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Rock C near Louisville, KS?
- The gauge sits at 39.24916, -96.315, in hydrologic subbasin 10270102, at an elevation of about 981 feet, draining roughly 128 square miles.
- Can I use Rock C near Louisville, KS 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.