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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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 33 | 1979-03-31 01:10 | EST | Yes | WAG | USGS | 2.89 | 0.88 | Good | Clear | NONE | ||
| 32 | 1978-09-18 02:00 | EDT | Yes | WAG | USGS | 0.60 | 0.68 | Good | Clear | NONE | ||
| 31 | 1978-03-09 02:50 | EST | Yes | GP | USGS | 4.80 | 0.91 | Good | Clear | NONE | ||
| 30 | 1977-09-12 03:30 | EDT | Yes | WAG | USGS | 1.05 | 0.72 | Good | Clear | NONE | ||
| 29 | 1976-09-13 03:45 | EDT | Yes | GP | USGS | 0.41 | 0.70 | Good | Clear | NONE | ||
| 28 | 1976-03-31 10:45 | EST | Yes | HRL | USGS | 4.95 | 0.95 | Good | Clear | NONE | ||
| 27 | 1975-08-26 03:40 | EDT | Yes | RHS | USGS | 1.78 | 0.90 | Good | Clear | NONE | ||
| 26 | 1975-08-13 12:15 | EDT | Yes | RHS | USGS | 3.73 | 0.97 | Good | Clear | NONE | ||
| 25 | 1975-07-14 13:10 | EDT | Yes | RHS | USGS | 383 | 5.38 | Good | Clear | NONE | ||
| 24 | 1974-07-27 05:40 | EDT | Yes | HRL | USGS | 1.06 | 0.88 | Good | Clear | NONE | ||
| 23 | 1974-04-18 13:55 | EDT | Yes | RHS | USGS | 6.24 | 1.05 | Good | Clear | NONE | ||
| 22 | 1973-10-24 04:50 | EDT | Yes | RHS | USGS | 1.00 | 0.87 | Good | Clear | NONE | ||
| 21 | 1973-01-16 02:00 | EST | Yes | RHS | USGS | 4.38 | 1.03 | Good | Clear | NONE | ||
| 20 | 1972-12-04 11:30 | EST | Yes | RHS | USGS | 20.5 | 1.34 | Good | Clear | NONE | ||
| 19 | 1972-12-01 01:50 | EST | Yes | RHS | USGS | 67.4 | 2.30 | Good | Clear | NONE | ||
| 18 | 1971-10-26 11:15 | EDT | Yes | RHS | USGS | 230 | 3.92 | Good | Clear | NONE | ||
| 17 | 1971-06-24 11:15 | EDT | Yes | RHS | USGS | 1.99 | 1.10 | Good | Clear | NONE | ||
| 16 | 1971-04-28 10:00 | EDT | Yes | RHS | USGS | 3.45 | 1.16 | Good | Clear | NONE | ||
| 15 | 1971-04-07 10:35 | EST | Yes | RHS | USGS | 124 | 2.80 | Good | Clear | NONE | ||
| 14 | 1971-03-22 -- -- | -- | Yes | RHS | USGS | 9.93 | 1.31 | Good | Clear | NONE | ||
| 13 | 1971-02-24 02:20 | EST | Yes | HRL | USGS | 70.4 | 2.24 | Good | Clear | NONE | ||
| 12 | 1970-04-15 07:30 | EST | Yes | RHS | USGS | 157 | 3.10 | Good | Clear | NONE | ||
| 11 | 1969-12-11 02:30 | EST | Yes | RHS | USGS | 20.6 | 1.85 | Good | Clear | NONE | ||
| 10 | 1969-08-04 10:15 | EST | Yes | RHS | USGS | 179 | 3.34 | Good | Clear | NONE | ||
| 9 | 1968-11-12 12:35 | EST | Yes | RHS | USGS | 13.2 | 1.72 | Good | Clear | NONE | ||
| 8 | 1968-10-03 10:45 | EST | Yes | RHS | USGS | 0.39 | 1.04 | Good | Clear | NONE | ||
| 7 | 1968-06-24 09:25 | EST | Yes | WOT | USGS | 4.92 | 1.39 | Good | Clear | NONE | ||
| 6 | 1968-03-18 01:40 | EST | Yes | RHS | USGS | 134 | 2.58 | Good | Clear | NONE | ||
| 5 | 1967-09-11 09:35 | EST | Yes | RHS | USGS | 3.20 | 1.34 | Good | Clear | NONE | ||
| 4 | 1967-08-06 10:50 | EST | Yes | RHS | USGS | 179 | 3.58 | Good | Clear | NONE | ||
| 3 | 1967-08-04 01:55 | EST | Yes | RHS | USGS | 1200 | 5.59 | Good | Clear | NONE | ||
| 2 | 1966-12-29 10:55 | EST | Yes | CEK | USGS | 48.8 | 1.26 | Good | Clear | NONE | ||
| 1 | 1966-02-13 12:30 | EST | Yes | RHS | USGS | 16.0 | 0.87 | Poor | Clear | 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: 2025-12-19 05:58:39 EST
0.27 0.26 caww02