St Joe River at Calder, ID
USGS Site No: 12414500 • St Joe River • Shoshone County, ID
St Joe River at Calder, ID on the St Joe River is currently at 3,920 cfs (Very High — 111th percentile for this date) . Gage height: 8.47 ft.
Reading from
Historical Percentile Comparison
Today's discharge compared to the long-term record for October 28 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 | 319 | |
| 25th | Low threshold | 387 | |
| 50th (Median) | Normal (median) | 470 | |
| 75th | High threshold | 626 | |
| 95th | Very High threshold | 1,530 |
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 | 3,710 | — |
| May 19, 2026 | 3,660 | — |
| May 18, 2026 | 3,960 | — |
| May 17, 2026 | 4,370 | — |
| May 16, 2026 | 4,850 | — |
| May 15, 2026 | 5,360 | — |
| Apr 20, 2026 | 4,290 | — |
| Apr 19, 2026 | 4,490 | — |
| Apr 18, 2026 | 4,800 | — |
| Apr 17, 2026 | 5,250 | — |
| Apr 16, 2026 | 5,850 | — |
| Apr 15, 2026 | 6,180 | — |
| Apr 14, 2026 | 6,270 | — |
| Apr 13, 2026 | 6,470 | — |
| Apr 12, 2026 | 5,690 | — |
| Apr 11, 2026 | 5,030 | — |
| Apr 10, 2026 | 4,740 | — |
| Apr 9, 2026 | 4,900 | — |
| Apr 8, 2026 | 4,960 | — |
| Apr 7, 2026 | 4,460 | — |
| Apr 6, 2026 | 3,880 | — |
| Apr 5, 2026 | 3,750 | — |
| Apr 4, 2026 | 3,830 | — |
| Apr 3, 2026 | 4,060 | — |
| Apr 2, 2026 | 4,470 | — |
| Apr 1, 2026 | 4,400 | — |
| Mar 31, 2026 | 4,710 | — |
| Mar 30, 2026 | 5,290 | — |
| Mar 29, 2026 | 5,820 | — |
| Mar 28, 2026 | 6,560 | — |
Station Information
- USGS Site No
- 12414500
- State
- ID
- County
- Shoshone County
- Coordinates
- 47.2744, -116.1889
- Drainage Area
- 1,025 mi²
- Datum (ft)
- 2,175.5
- HUC Code
- 17010304
Flood Stage Thresholds
- Action Stage
- 12.0 ft
- Flood Stage
- 13.0 ft
- Moderate Flood
- 15.0 ft
- Major Flood
- 16.0 ft
Currently 4.53 ft below flood stage.
Recent Extremes
- Max discharge
-
18,900 cfsDec 11, 2025
- Min discharge
-
260 cfsSep 29, 2025
- Days at flood stage
- 0
Computed from the local daily-values archive.
Nearby Gauges
-
St Maries River near Santa, IDVery High15.8 mi · 303 cfs
-
Sf Coeur D Alene at Elizabeth Park near Kellogg IDVery High18.3 mi · 414 cfs
-
Sf Coeur D Alene River above Placer Creek at Wallace IDVery High18.5 mi · 336 cfs
-
Ninemile Creek above Mouth at Wallace, IDVery High18.6 mi · 14 cfs
-
Canyon Creek above Mouth at Wallace, IDVery High18.8 mi · 91 cfs