USGS Streamgage 06882510
Big Blue River at Marysville, KS
Big Blue River at Marysville, KS is USGS streamgage 06882510, monitoring river discharge in hydrologic subbasin 10270205. It drains a watershed of about 4,777 square miles. Discharge records at this site go back to 1903. Typical flow runs near 582.9 cfs in July and 412.6 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 4,777 sq mi
- Gauge elevation
- 1,147 ft
- Subbasin (HUC-8)
- 10270205
- Coordinates
- 39.84195, -96.66224
- USGS site number
- 06882510
- Records begin
- 1903-05-01 (123 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 42 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 | 145.2 | 291 | 667.6 | |
| February | 170.1 | 378.4 | 1,205.2 | |
| March | 187.4 | 403.2 | 3,277.7 | |
| April | 203.6 | 412.6 | 1,979 | |
| May | 228.3 | 793.1 | 5,551.6 | |
| June | 220.6 | 929.9 | 6,038 | |
| July | 114.6 | 582.9 | 3,967.7 | |
| August | 94.1 | 384.1 | 2,479.4 | |
| September | 94.4 | 314.9 | 2,400.8 | |
| October | 102.3 | 257.6 | 1,678.9 | |
| November | 133 | 278.4 | 753.2 | |
| December | 139.5 | 280.4 | 705 |
All values in cubic feet per second (cfs).