St Joe River at Calder, ID

USGS Site No: 12414500St Joe River • Shoshone County, ID

St Joe River at Calder, ID on the St Joe River is currently at 3,920 cfs (Normal — 40th percentile for this date) . Gage height: 8.47 ft.

Reading from

3,920
CFS Discharge
8.47
Gage Height (ft)
Normal
Flow Condition
Normal
Flood Status

Historical Percentile Comparison

Today's discharge compared to the long-term record for June 11 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 1,950
25th Low threshold 3,120
50th (Median) Normal (median) 4,420 Today: 3,920 cfs
75th High threshold 6,610
95th Very High threshold 12,000

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.

19k 9.3k 0 cfs Mar 28 May 28
10th–95th historical Day-of-year median Recent discharge

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
Coordinates
47.2744, -116.1889
Drainage Area
1,025 mi²
Datum (ft)
2,175.5
HUC Code
17010304
View on USGS NWIS →

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 cfs
Dec 11, 2025
Min discharge
260 cfs
Sep 29, 2025
Days at flood stage
0

Computed from the local daily-values archive.

Nearby Gauges