USGS Streamgage 06818750
Platte River near Diagonal, IA
Platte River near Diagonal, IA is USGS streamgage 06818750, monitoring river discharge in hydrologic subbasin 10240012. It drains a watershed of about 217 square miles. Discharge records at this site go back to 1967. Typical flow runs near 17.6 cfs in July and 74.6 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 217 sq mi
- Gauge elevation
- 1,100 ft
- Subbasin (HUC-8)
- 10240012
- Coordinates
- 40.76916, -94.40524
- USGS site number
- 06818750
- Records begin
- 1967-06-01 (59 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 24 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 | 1.4 | 11.9 | 122.8 | |
| February | 3.1 | 23.9 | 458.8 | |
| March | 11.9 | 76.2 | 657.5 | |
| April | 8.3 | 74.6 | 874.1 | |
| May | 9.1 | 65.1 | 791.4 | |
| June | 4.4 | 45.5 | 574.8 | |
| July | 2.8 | 17.6 | 394.9 | |
| August | 2.4 | 10 | 144.3 | |
| September | 2.3 | 6.9 | 219 | |
| October | 2.3 | 8.8 | 273.6 | |
| November | 3.4 | 21.1 | 270.6 | |
| December | 2.6 | 17.5 | 184.5 |
All values in cubic feet per second (cfs).