USGS Streamgage 06605000
Ocheyedan River near Spencer, IA
Ocheyedan River near Spencer, IA is USGS streamgage 06605000, monitoring river discharge in hydrologic subbasin 10230003. It drains a watershed of about 426 square miles. Discharge records at this site go back to 1953. Typical flow runs near 149.8 cfs in July and 327.9 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 426 sq mi
- Gauge elevation
- 1,328 ft
- Subbasin (HUC-8)
- 10230003
- Coordinates
- 43.12767, -95.21044
- USGS site number
- 06605000
- Records begin
- 1953-06-18 (73 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 49 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 | 4 | 38.6 | 142.6 | |
| February | 6.1 | 50.2 | 260 | |
| March | 23.8 | 158.6 | 916 | |
| April | 45.5 | 327.9 | 1,104.1 | |
| May | 59.2 | 322.1 | 1,081.6 | |
| June | 87.6 | 307.4 | 1,379.6 | |
| July | 36.7 | 149.8 | 734.6 | |
| August | 16.8 | 56.3 | 289.9 | |
| September | 9.7 | 35.9 | 336 | |
| October | 9.8 | 43.7 | 489.1 | |
| November | 12.6 | 56.4 | 321.8 | |
| December | 7.2 | 49.8 | 242.7 |
All values in cubic feet per second (cfs).