USGS Streamgage 09475500
Florence-Casa Grande Canal, near Florence, AZ
Florence-Casa Grande Canal, near Florence, AZ is USGS streamgage 09475500 in Arizona, monitoring river discharge in hydrologic subbasin 15050100. Discharge records at this site go back to 1984. Typical flow runs near 567.2 cfs in July and 404.6 cfs in April, with the higher of the two arriving in July.
Gauge details
- State
- Arizona
- Gauge elevation
- 1,557 ft
- Subbasin (HUC-8)
- 15050100
- Coordinates
- 33.09441, -111.26015
- USGS site number
- 09475500
- Records begin
- 1984-09-05 (42 years)
Typical flow by month
Long-term daily discharge percentiles from the USGS record (up to 42 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 | 79.1 | 241.9 | |
| February | 40.7 | 169.9 | 360 | |
| March | 136.9 | 340 | 905.1 | |
| April | 139.8 | 404.6 | 703.3 | |
| May | 66.9 | 429.3 | 820.1 | |
| June | 0.4 | 508 | 1,073.5 | |
| July | 1.2 | 567.2 | 1,226.1 | |
| August | 22.6 | 480.2 | 1,174.8 | |
| September | 12.9 | 265.4 | 604.3 | |
| October | 2.1 | 101.8 | 261.9 | |
| November | 0 | 0 | 99.6 | |
| December | 9 | 130.8 | 319 |
All values in cubic feet per second (cfs).
Common questions
- When does Florence-Casa Grande Canal, near Florence, AZ normally run highest?
- July, on the long-term record. The median daily flow that month is about 567.2 cfs, against 0 cfs in November, the lowest month. These are historical normals for the date, not a forecast and not today's reading.
- What is a normal flow for Florence-Casa Grande Canal, near Florence, AZ?
- It depends on the month. In January, half of days historically fall near 79.1 cfs, with the middle 80% of days between 0 and 241.9 cfs. The month-by-month table on this page gives the full range.
- How long has Florence-Casa Grande Canal, near Florence, AZ been measured?
- Discharge records at USGS site 09475500 begin in 1984, about 42 years, covering roughly 9,126 days of published daily values. The long record is what makes the monthly percentiles on this page meaningful.
- Where is Florence-Casa Grande Canal, near Florence, AZ?
- The gauge sits at 33.09441, -111.26015, in Arizona, in hydrologic subbasin 15050100, at an elevation of about 1,557 feet.
- Can I use Florence-Casa Grande Canal, near Florence, AZ 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.