Bear River at Border, WY
USGS Site No: 10039500 • Bear River • Bear Lake County, ID
Bear River at Border, WY on the Bear River is currently at 210 cfs (Normal — 67th percentile for this date) . Gage height: 1.79 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 27 at this station. Percentile rank shows what fraction of historical years had lower flow on this date.
| Percentile | Label | CFS Threshold | Today's Flow |
|---|---|---|---|
| 10th | Very Low threshold | 105 | |
| 25th | Low threshold | 137 | |
| 50th (Median) | Normal (median) | 176 | |
| 75th | High threshold | 225 | Today: 210 cfs |
| 95th | Very High threshold | 532 |
30-Day Hydrograph
Recent discharge plotted against the historical 10th–95th percentile envelope for the same calendar days. Source: USGS daily values + long-term statistics.
30-Day Flow History
| Date | Discharge (CFS) | Gage Ht (ft) |
|---|---|---|
| May 28, 2026 | 193 | — |
| May 27, 2026 | 197 | — |
| May 26, 2026 | 197 | — |
| May 25, 2026 | 181 | — |
| May 24, 2026 | 183 | — |
| May 23, 2026 | 205 | — |
| May 22, 2026 | 223 | — |
| May 21, 2026 | 221 | — |
| May 20, 2026 | 237 | — |
| May 19, 2026 | 266 | — |
| May 18, 2026 | 258 | — |
| May 17, 2026 | 248 | — |
| May 16, 2026 | 253 | — |
| May 15, 2026 | 264 | — |
| Apr 20, 2026 | 138 | — |
| Apr 19, 2026 | 145 | — |
| Apr 18, 2026 | 145 | — |
| Apr 17, 2026 | 145 | — |
| Apr 16, 2026 | 145 | — |
| Apr 15, 2026 | 149 | — |
| Apr 14, 2026 | 163 | — |
| Apr 13, 2026 | 180 | — |
| Apr 12, 2026 | 174 | — |
| Apr 11, 2026 | 151 | — |
| Apr 10, 2026 | 140 | — |
| Apr 9, 2026 | 142 | — |
| Apr 8, 2026 | 139 | — |
| Apr 7, 2026 | 147 | — |
| Apr 6, 2026 | 143 | — |
| Apr 5, 2026 | 145 | — |
Station Information
- USGS Site No
- 10039500
- State
- ID
- County
- Bear Lake County
- Coordinates
- 42.2110, -111.0538
- Drainage Area
- 2,480 mi²
- Datum (ft)
- 6,056.9
- HUC Code
- 16010102
Flood Stage Thresholds
- Action Stage
- 7.0 ft
- Flood Stage
- 7.5 ft
- Moderate Flood
- 10.5 ft
- Major Flood
- 11.7 ft
Currently 5.71 ft below flood stage.
Recent Extremes
- Max discharge
-
682 cfsMay 14, 2025
- Min discharge
-
41 cfsOct 3, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
Bear River Below Smiths Fork, near Cokeville, WYHigh7.2 mi · 282 cfs
-
Smiths Fork Near Border, WYVery High10.9 mi · 350 cfs
-
Hams Fork Below Pole Creek, Near Frontier, WYVery High18.9 mi · 132 cfs
-
Bear River Below Pixley Dam, Near Cokeville, WYVery High19.2 mi · 1 cfs
-
Bear River at Pescadero IDHigh20.3 mi · 894 cfs