USGS Streamgage 06887000
Big Blue River near Manhattan, KS
Big Blue River near Manhattan, KS is USGS streamgage 06887000, monitoring river discharge in hydrologic subbasin 10270205. It drains a watershed of about 9,640 square miles. Discharge records at this site go back to 1903. Typical flow runs near 1,552.9 cfs in July and 830.7 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 9,640 sq mi
- Gauge elevation
- 1,014 ft
- Subbasin (HUC-8)
- 10270205
- Coordinates
- 39.23722, -96.57139
- USGS site number
- 06887000
- Records begin
- 1903-05-31 (123 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 76 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 | 202.8 | 511.7 | 1,746.8 | |
| February | 228.2 | 650 | 3,118.3 | |
| March | 218.2 | 766 | 5,486.8 | |
| April | 231.8 | 830.7 | 8,059.7 | |
| May | 264.1 | 1,676.8 | 8,758.1 | |
| June | 351.3 | 2,163 | 12,226.7 | |
| July | 381.6 | 1,552.9 | 10,866.1 | |
| August | 236.5 | 899.7 | 5,712.9 | |
| September | 153.3 | 677.7 | 4,370 | |
| October | 96.2 | 557.7 | 3,691.3 | |
| November | 172.4 | 582.6 | 2,955.3 | |
| December | 239 | 622.7 | 3,219.4 |
All values in cubic feet per second (cfs).