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Streamflow Measurements for the Nation
Streamflow measurement pages will be decommissioned in early 2026.
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| HTML table with channel data |
| HTML table without channel data |
| Tab-separated data with channel data |
| Tab-separated data without channel data |
| Graph of data |
| Reselect output format |
| Meas. Number |
Date Time | Time Datum |
Measurement Used? |
Who | Measuring Agency |
Stream flow (ft3/s) |
Gage Height (ft) |
GH Change (ft) |
Meas. Duration (hr) |
Meas. Rated |
Control | Flow Adjust. Code |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 26 | 1961-05-21 -- -- | -- | Yes | RLS | USGS | 3330 | -0.09 | 1.00 | Good | Clear | NONE | |
| 25 | 1961-05-20 -- -- | -- | Yes | RLS | USGS | 3570 | 0.00 | 1.00 | Good | Clear | NONE | |
| 24 | 1961-05-19 -- -- | -- | Yes | RLS | USGS | 3550 | -0.03 | 1.10 | Good | Clear | NONE | |
| 23 | 1961-05-18 -- -- | -- | Yes | RLS | USGS | 2560 | -0.01 | 1.00 | Good | Clear | NONE | |
| 22 | 1961-05-17 -- -- | -- | Yes | RLS | USGS | 3530 | -0.01 | 1.00 | Good | Clear | NONE | |
| 21 | 1961-05-16 -- -- | -- | Yes | RLS | USGS | 3820 | 0.00 | 1.00 | Good | Clear | NONE | |
| 20 | 1961-05-15 -- -- | -- | Yes | RLS | USGS | 3230 | 0.09 | 1.20 | Good | Clear | NONE | |
| 19 | 1961-05-14 -- -- | -- | Yes | LGB | USGS | 3800 | 0.10 | 0.80 | Good | Clear | NONE | |
| 18 | 1961-05-13 -- -- | -- | Yes | LGB | USGS | 3060 | -0.04 | 0.80 | Good | Clear | NONE | |
| 17 | 1961-05-12 -- -- | -- | Yes | LGB | USGS | 3280 | -0.06 | 1.00 | Good | Clear | NONE | |
| 16 | 1961-05-11 -- -- | -- | Yes | LGB | USGS | 3860 | 0.06 | 0.90 | Good | Clear | NONE | |
| 15 | 1961-05-10 -- -- | -- | Yes | LGB | USGS | 2850 | 0.06 | 1.20 | Good | Clear | NONE | |
| 14 | 1961-05-09 -- -- | -- | Yes | LGB | USGS | 3830 | 0.14 | 0.90 | Good | Clear | NONE | |
| 13 | 1961-05-08 -- -- | -- | Yes | LGB | USGS | 4320 | -0.05 | 1.00 | Good | Clear | NONE | |
| 12 | 1961-05-05 -- -- | -- | Yes | VDH | USGS | 2910 | -0.10 | 1.00 | Good | Clear | NONE | |
| 11 | 1961-05-04 -- -- | -- | Yes | VDH | USGS | 3100 | 0.04 | 1.00 | Good | Clear | NONE | |
| 10 | 1961-05-03 -- -- | -- | Yes | VDH | USGS | 3390 | -0.06 | 0.90 | Good | Clear | NONE | |
| 9 | 1961-05-02 -- -- | -- | Yes | VDH | USGS | 3380 | 0.01 | 4.00 | Good | Clear | NONE | |
| 8 | 1961-05-01 -- -- | -- | Yes | VDH | USGS | 3540 | 0.04 | 1.10 | Good | Clear | NONE | |
| 7 | 1961-04-30 -- -- | -- | Yes | VDH | USGS | 3300 | -0.08 | 1.00 | Good | Clear | NONE | |
| 6 | 1961-04-29 -- -- | -- | Yes | VDH | USGS | 3340 | 0.12 | 0.80 | Good | Clear | NONE | |
| 5 | 1961-04-28 -- -- | -- | Yes | VDH | USGS | 3490 | -0.07 | 1.20 | Good | Clear | NONE | |
| 4 | 1961-04-27 -- -- | -- | Yes | VDH | USGS | 3150 | -0.10 | 1.50 | Good | Clear | NONE | |
| 3 | 1961-04-26 -- -- | -- | Yes | VDH | USGS | 2620 | 0.04 | 1.70 | Good | Clear | NONE | |
| 2 | 1961-04-25 -- -- | -- | Yes | VDH | USGS | 2710 | -0.20 | 1.20 | Good | Clear | NONE | |
| 1 | 1961-04-24 -- -- | -- | Yes | VDH | USGS | 3040 | 0.08 | 1.30 | Good | Clear | NONE |
U.S. Department of the Interior |
U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL:
Page Contact Information: Illinois Water Data Support Team
Page Last Modified: 2026-01-21 13:43:23 EST
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