USGS Streamgage 06600000
Perry Creek at 38th Street at Sioux City, IA
Perry Creek at 38th Street at Sioux City, IA is USGS streamgage 06600000, monitoring river discharge in hydrologic subbasin 10230001. It drains a watershed of about 65 square miles. Discharge records at this site go back to 1939. Typical flow runs near 9.1 cfs in July and 12.3 cfs in April, with the higher of the two arriving in April.
Gauge details
- Drainage area
- 65 sq mi
- Gauge elevation
- 1,141 ft
- Subbasin (HUC-8)
- 10230001
- Coordinates
- 42.53522, -96.41044
- USGS site number
- 06600000
- Records begin
- 1939-05-27 (87 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 59 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 | 0.7 | 4.4 | 15 | |
| February | 1.2 | 8.3 | 54.5 | |
| March | 3.3 | 15 | 108.5 | |
| April | 3 | 12.3 | 47.7 | |
| May | 2.3 | 12.7 | 50.6 | |
| June | 1.3 | 13.1 | 62.7 | |
| July | 0.7 | 9.1 | 40.8 | |
| August | 0.4 | 6.4 | 23.4 | |
| September | 0.4 | 5.1 | 21.4 | |
| October | 0.7 | 6 | 20.5 | |
| November | 1.1 | 5.4 | 21.1 | |
| December | 1 | 4.6 | 17.2 |
All values in cubic feet per second (cfs).