USGS Streamgage 06599900
Perry Creek near Millnerville, IA
Perry Creek near Millnerville, IA is USGS streamgage 06599900 in Iowa, monitoring river discharge in hydrologic subbasin 10230001. It sits on the Perry Creek, alongside 2 other gauges Rivermatics tracks on the same river. It drains a watershed of about 15 square miles. Discharge records at this site go back to 2006. Typical flow runs near 6.2 cfs in July and 4.2 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Iowa
- Drainage area
- 15 sq mi
- Gauge elevation
- 1,304 ft
- Subbasin (HUC-8)
- 10230001
- Coordinates
- 42.69333, -96.37031
- USGS site number
- 06599900
- Records begin
- 2006-06-16 (20 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 5 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 | — | 2.5 | — | |
| February | — | 3.4 | — | |
| March | — | 4.7 | — | |
| April | — | 4.2 | — | |
| May | — | 6.7 | — | |
| June | — | 10.7 | — | |
| July | — | 6.2 | — | |
| August | — | 2.6 | — | |
| September | — | 2 | — | |
| October | — | 3.1 | — | |
| November | — | 2.3 | — | |
| December | — | 2.3 | — |
All values in cubic feet per second (cfs).
Common questions
- When does Perry Creek near Millnerville, IA normally run highest?
- June, on the long-term record. The median daily flow that month is about 10.7 cfs, against 2 cfs in September, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- How long has Perry Creek near Millnerville, IA been measured?
- Discharge records at USGS site 06599900 begin in 2006, about 20 years, covering roughly 1,677 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Perry Creek near Millnerville, IA?
- The gauge sits at 42.69333, -96.37031, in Iowa, in hydrologic subbasin 10230001, at an elevation of about 1,304 feet, draining roughly 15 square miles.
- Can I use Perry Creek near Millnerville, IA data for flood or safety decisions?
- No. Rivermatics provides estimates, not guarantees, and the readings and forecasts here may be delayed, inaccurate, or wrong. Do not use them for navigation or for any safety, rescue, or emergency decision. Check the National Weather Service and USGS directly, and use your own judgment.
Upstream and downstream on the Perry Creek
Every gauge Rivermatics tracks on this river, ordered by drainage area — upstream first. See the Perry Creek in full.
- Perry Creek near Millnerville, IA this page
- Perry Creek near Hinton, IA 33 sq mi
- Perry Creek at 38th Street at Sioux City, IA 65 sq mi