USGS Streamgage 06607200
Maple River at Mapleton, IA
Maple River at Mapleton, IA is USGS streamgage 06607200, monitoring river discharge in hydrologic subbasin 10230005. It drains a watershed of about 669 square miles. Discharge records at this site go back to 1941. Typical flow runs near 287.6 cfs in July and 264.1 cfs in April, with the higher of the two arriving in July.
Gauge details
- Drainage area
- 669 sq mi
- Gauge elevation
- 1,114 ft
- Subbasin (HUC-8)
- 10230005
- Coordinates
- 42.15678, -95.81028
- USGS site number
- 06607200
- Records begin
- 1941-10-01 (85 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 85 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 | 16.3 | 69.8 | 306.5 | |
| February | 20.7 | 127.8 | 596.6 | |
| March | 59.6 | 238.9 | 1,039.1 | |
| April | 66.2 | 264.1 | 876.9 | |
| May | 63.5 | 311.2 | 1,051.3 | |
| June | 82.8 | 407 | 1,357.6 | |
| July | 65.9 | 287.6 | 817.8 | |
| August | 41.8 | 172.3 | 573.4 | |
| September | 30 | 118.6 | 468.5 | |
| October | 32.9 | 106.7 | 498 | |
| November | 36.5 | 109.3 | 410 | |
| December | 24.3 | 90.4 | 345.5 |
All values in cubic feet per second (cfs).