Rock River at Afton, WI
Rock County, Wisconsin · USGS 05430500
Latest observation
What this gauge represents: This gauge measures conditions on Rock River at its USGS monitoring location in Rock County; conditions elsewhere on the waterway may differ.
Observed · 31 minutes ago
Observed
How to read these numbers
How much water moves past the gauge each second. Higher numbers mean more water is moving downstream.
The water-surface height at this gauge. It is useful for tracking rises, falls and flood thresholds, but it is not the river's total depth.
How much the latest reading has risen or fallen compared with roughly 24 hours earlier.
The typical streamflow for this date based on USGS historical statistics. A multiple such as 3× means current flow is about three times the historical median.
Get Water Data's plain-language summary of current flow, historical context and recent direction.
Official action and flood thresholds where available. These levels are specific to each gauge location.
Gauge height and flood stage are station-specific. A 12-foot reading at one gauge should not be directly compared with 12 feet at another.
Above historical median · Falling
Streamflow is currently 3,290 ft³/s, 3.2× the historical median for this date. Flow has fallen 480 CFS over the past 24 hours.
USGS-reported historical daily median for 09-27: 1,025 ft³/s · Based on USGS day-of-year statistics
How trends & context are calculated →Streamflow trend
Daily mean streamflow · Aug 28–Sep 25 · dates shown in UTC · 29 observations
Look at the data (29 rows)
| Date (UTC) | Daily mean |
|---|---|
| Aug 28, 2026, 12:00 AM | 1,480 CFS |
| Aug 29, 2026, 12:00 AM | 1,470 CFS |
| Aug 30, 2026, 12:00 AM | 1,350 CFS |
| Aug 31, 2026, 12:00 AM | 1,320 CFS |
| Sep 1, 2026, 12:00 AM | 1,380 CFS |
| Sep 2, 2026, 12:00 AM | 1,390 CFS |
| Sep 3, 2026, 12:00 AM | 1,420 CFS |
| Sep 4, 2026, 12:00 AM | 1,400 CFS |
| Sep 5, 2026, 12:00 AM | 1,420 CFS |
| Sep 6, 2026, 12:00 AM | 1,340 CFS |
| Sep 7, 2026, 12:00 AM | 1,330 CFS |
| Sep 8, 2026, 12:00 AM | 1,320 CFS |
| Sep 9, 2026, 12:00 AM | 1,330 CFS |
| Sep 10, 2026, 12:00 AM | 1,380 CFS |
| Sep 11, 2026, 12:00 AM | 1,370 CFS |
| Sep 12, 2026, 12:00 AM | 1,350 CFS |
| Sep 13, 2026, 12:00 AM | 1,410 CFS |
| Sep 14, 2026, 12:00 AM | 1,340 CFS |
| Sep 15, 2026, 12:00 AM | 1,500 CFS |
| Sep 16, 2026, 12:00 AM | 1,520 CFS |
| Sep 17, 2026, 12:00 AM | 1,600 CFS |
| Sep 18, 2026, 12:00 AM | 1,590 CFS |
| Sep 19, 2026, 12:00 AM | 2,440 CFS |
| Sep 20, 2026, 12:00 AM | 3,720 CFS |
| Sep 21, 2026, 12:00 AM | 3,850 CFS |
| Sep 22, 2026, 12:00 AM | 3,680 CFS |
| Sep 23, 2026, 12:00 AM | 3,810 CFS |
| Sep 24, 2026, 12:00 AM | 3,830 CFS |
| Sep 25, 2026, 12:00 AM | 3,790 CFS |
About this gauge
Official USGS station
Get Water Data organizes provisional public monitoring data from the U.S. Geological Survey.
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