USGS Streamgage 06890900
Delaware River at Perry, KS
Delaware River at Perry, KS is USGS streamgage 06890900, monitoring river discharge in hydrologic subbasin 10270103. It drains a watershed of about 1,141 square miles. Discharge records at this site go back to 1969. Typical flow runs near 168.7 cfs in July and 109.4 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 1,141 sq mi
- Gauge elevation
- 852 ft
- Subbasin (HUC-8)
- 10270103
- Coordinates
- 39.075, -95.40386
- USGS site number
- 06890900
- Records begin
- 1969-03-21 (57 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 57 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 | 22 | 84.3 | 792.8 | |
| February | 24.8 | 190.8 | 1,189.5 | |
| March | 25.1 | 153.5 | 1,645.8 | |
| April | 24.9 | 109.4 | 3,350 | |
| May | 28.4 | 230 | 3,196.1 | |
| June | 29.5 | 419.6 | 4,485.7 | |
| July | 25 | 168.7 | 2,489.7 | |
| August | 24.6 | 70 | 1,622.1 | |
| September | 22.3 | 55.2 | 1,660.9 | |
| October | 23.8 | 50.2 | 1,994.2 | |
| November | 24.1 | 60.7 | 1,169.3 | |
| December | 23.6 | 146.5 | 1,496.8 |
All values in cubic feet per second (cfs).