USGS Streamgage 06600300
West Branch Floyd River near Struble, IA
West Branch Floyd River near Struble, IA is USGS streamgage 06600300, monitoring river discharge in hydrologic subbasin 10230002. It drains a watershed of about 180 square miles. Discharge records at this site go back to 1955. Typical flow runs near 21 cfs in July and 28.2 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 180 sq mi
- Gauge elevation
- 1,252 ft
- Subbasin (HUC-8)
- 10230002
- Coordinates
- 42.92388, -96.17697
- USGS site number
- 06600300
- Records begin
- 1955-10-01 (71 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 40 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 | 0 | 1.7 | 43.9 | |
| February | 0 | 5.2 | 97.1 | |
| March | 1.3 | 23.6 | 295 | |
| April | 2.3 | 28.2 | 285.5 | |
| May | 1.8 | 25.4 | 186.8 | |
| June | 1.6 | 37.2 | 278.1 | |
| July | 1.3 | 21 | 156.8 | |
| August | 1.2 | 9.4 | 72.5 | |
| September | 0.7 | 7.3 | 61.9 | |
| October | 0.9 | 6.8 | 68.5 | |
| November | 0.8 | 6.9 | 79.5 | |
| December | 0.4 | 4 | 56.6 |
All values in cubic feet per second (cfs).