Boise River Near Middleton, ID

USGS Site No: 13210045 • Boise River • Canyon County, ID

Boise River Near Middleton, ID on the Boise River is currently at 1,500 cfs (Very High — 95th percentile for this date) . Gage height: 5.35 ft.

Reading from

1,500
CFS Discharge
5.35
Gage Height (ft)
Very High
Flow Condition
N/A
Flood Status

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 0
25th Low threshold 318
50th (Median) Normal (median) 334
75th High threshold 335
95th Very High threshold 0

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.

4.3k 2.2k 0 cfs Apr 7 May 29
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 29, 2026 1,540 —
May 28, 2026 1,520 —
May 27, 2026 1,380 —
May 26, 2026 1,320 —
May 25, 2026 1,270 —
May 24, 2026 1,280 —
May 23, 2026 1,280 —
May 22, 2026 1,280 —
May 21, 2026 1,280 —
May 20, 2026 1,300 —
May 19, 2026 1,310 —
May 18, 2026 1,320 —
May 17, 2026 1,300 —
May 16, 2026 1,290 —
May 15, 2026 1,110 —
Apr 21, 2026 1,800 —
Apr 20, 2026 1,810 —
Apr 19, 2026 1,840 —
Apr 18, 2026 1,860 —
Apr 17, 2026 1,580 —
Apr 16, 2026 1,190 —
Apr 15, 2026 496 —
Apr 14, 2026 516 —
Apr 13, 2026 537 —
Apr 12, 2026 300 —
Apr 11, 2026 273 —
Apr 10, 2026 227 —
Apr 9, 2026 228 —
Apr 8, 2026 236 —
Apr 7, 2026 360 —

Station Information

USGS Site No
13210045
State
ID
County
Canyon County
Coordinates
43.6818, -116.5587
Datum (ft)
2,419.4
HUC Code
170501140410
View on USGS NWIS →

Recent Extremes

Max discharge
1,860 cfs
Apr 18, 2026
Min discharge
188 cfs
Aug 6, 2025

Computed from the local daily-values archive.

Nearby Gauges