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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 34 | 1994-04-26 14:35 | EDT | Yes | SMW | USGS | 2.32 | 0.30 | 0.00 | 0.50 | Good | Clear | NONE |
| 33 | 1989-10-03 09:40 | EDT | Yes | RHP | USGS | 5.16 | 0.75 | 0.00 | 0.60 | Good | Clear | NONE |
| 32 | 1989-07-24 10:10 | EDT | Yes | RHP | USGS | 2.70 | 0.66 | 0.00 | 0.50 | Good | Clear | NONE |
| 31 | 1989-06-12 10:00 | EDT | Yes | RHP | USGS | 3.60 | 0.70 | 0.00 | 0.50 | Good | Clear | NONE |
| 30 | 1989-06-08 11:51 | EDT | Yes | RHP/RJS | USGS | 5.12 | 0.75 | 0.00 | 0.50 | Good | Clear | NONE |
| 29 | 1989-06-07 11:35 | EDT | Yes | RHP | USGS | 43.4 | 1.48 | -0.23 | 0.90 | Good | Unspecifed | NONE |
| 28 | 1989-06-05 09:45 | EDT | Yes | RHP | USGS | 1.40 | 0.34 | 0.00 | 0.50 | Good | NONE | |
| 27 | 1989-05-01 09:50 | EDT | Yes | RHP | USGS | 2.67 | 0.70 | 0.00 | 0.50 | Good | NONE | |
| 26 | 1989-03-20 08:56 | EST | Yes | RHP | USGS | 2.60 | 0.70 | 0.00 | 0.50 | Good | Clear | NONE |
| 25 | 1989-02-13 09:42 | EST | Yes | RHP/BMH | USGS | 2.04 | 0.66 | 0.00 | 0.50 | Good | Clear | NONE |
| 24 | 1989-01-03 10:23 | EST | Yes | RHP/BMH | USGS | 3.12 | 0.73 | -0.01 | 0.60 | Good | DebrisLight | NONE |
| 23 | 1988-11-15 09:31 | EST | Yes | RHP/BMH | USGS | 1.03 | 0.61 | 0.00 | 0.60 | Good | DebrisLight | NONE |
| 22 | 1988-10-12 11:30 | EDT | Yes | JFH | USGS | 0.32 | 0.54 | 0.00 | 0.30 | Good | DebrisModerate | NONE |
| 21 | 1988-09-06 11:20 | EDT | Yes | JFH | USGS | 2.15 | 0.67 | 0.00 | 0.30 | Good | Clear | NONE |
| 20 | 1988-08-25 12:30 | EDT | Yes | JFH | USGS | 4.03 | 0.76 | -0.01 | 0.40 | Good | Clear | NONE |
| 19 | 1988-08-17 10:30 | EDT | Yes | MNL | USGS | 0.23 | 0.53 | 0.00 | 0.30 | Good | DebrisModerate | NONE |
| 18 | 1988-07-26 10:50 | EDT | Yes | RJS/JFH | USGS | 0.60 | 0.55 | 0.00 | 0.30 | Good | Clear | NONE |
| 17 | 1988-07-07 13:45 | EDT | Yes | RJS/JFH | USGS | 0.25 | 0.21 | 0.00 | 0.30 | Good | NONE | |
| 16 | 1988-05-20 09:45 | EDT | Yes | JFH | USGS | 16.0 | 1.08 | 0.00 | 0.40 | Good | Clear | NONE |
| 15 | 1988-05-19 14:30 | EDT | Yes | JFH | USGS | 53.3 | 1.63 | -0.05 | 0.30 | Good | Clear | NONE |
| 14 | 1988-05-19 12:00 | EDT | Yes | JFH | USGS | 82.6 | 2.01 | -0.08 | 0.30 | Good | Clear | NONE |
| 13 | 1988-04-25 12:30 | EDT | Yes | MNL | USGS | 1.91 | 0.74 | 0.00 | 0.30 | Good | NONE | |
| 12 | 1988-04-06 13:05 | EDT | Yes | JFH | USGS | 2.26 | 0.75 | 0.00 | 0.40 | Good | Clear | NONE |
| 11 | 1988-02-25 10:30 | EST | Yes | JFH | USGS | 3.51 | 0.79 | 0.00 | 0.40 | Good | Clear | NONE |
| 10 | 1988-01-21 09:35 | EST | Yes | JFH | USGS | 15.7 | 1.09 | 0.00 | 0.40 | Good | Clear | NONE |
| 9 | 1988-01-20 14:25 | EST | Yes | JFH | USGS | 52.5 | 1.67 | -0.02 | 0.30 | Good | Clear | NONE |
| 8 | 1988-01-20 11:30 | EST | Yes | JFH | USGS | 77.9 | 2.02 | -0.09 | 0.40 | Good | Clear | NONE |
| 7 | 1988-01-20 11:00 | EST | Yes | JFH | USGS | 86.1 | 2.13 | -0.09 | 0.30 | Good | Clear | NONE |
| 6 | 1987-12-03 09:25 | EST | Yes | JFH | USGS | 2.58 | 0.77 | 0.00 | 0.30 | Good | DebrisLight | NONE |
| 5 | 1987-11-24 11:25 | EST | Yes | JFH | USGS | 0.70 | 0.66 | 0.00 | 0.40 | Good | DebrisModerate | NONE |
| 4 | 1987-10-13 11:15 | EDT | Yes | JFH | USGS | 0.43 | 0.70 | 0.00 | 0.40 | Good | DebrisLight | NONE |
| 3 | 1987-09-28 15:20 | EDT | Yes | JFH/RHP | USGS | 0.46 | 0.65 | 0.00 | 0.30 | Good | DebrisLight | NONE |
| 2 | 1987-08-26 13:45 | EDT | Yes | MNL | USGS | 0.19 | Good | NONE | ||||
| 1 | 1987-04-30 12:00 | EDT | Yes | MNL | USGS | 1.41 | Good | NONE |
U.S. Department of the Interior |
U.S. Geological Survey
Title: Surface Water for USA: Streamflow Measurements
URL:
Page Contact Information: Maryland Water Data Support Team
Page Last Modified: 2025-12-17 18:27:14 EST
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