Boise River near Parma ID

USGS Site No: 13213000 • Boise River • Canyon County, ID

Boise River near Parma ID on the Boise River is currently at 2,020 cfs (Very High — 101th percentile for this date) . Gage height: 9.88 ft.

Reading from

2,020
CFS Discharge
9.88
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 811
25th Low threshold 886
50th (Median) Normal (median) 955
75th High threshold 1,040
95th Very High threshold 1,240

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.

7.9k 3.9k 0 cfs Apr 3 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 2,000 —
May 27, 2026 1,820 —
May 26, 2026 1,720 —
May 25, 2026 1,670 —
May 24, 2026 1,680 —
May 23, 2026 1,630 —
May 22, 2026 1,640 —
May 20, 2026 1,690 —
May 19, 2026 1,720 —
May 18, 2026 1,770 —
May 17, 2026 1,680 —
May 16, 2026 1,590 —
May 15, 2026 1,300 —
Apr 19, 2026 2,510 —
Apr 18, 2026 2,420 —
Apr 17, 2026 1,960 —
Apr 16, 2026 1,410 —
Apr 15, 2026 968 —
Apr 14, 2026 1,360 —
Apr 13, 2026 1,070 —
Apr 12, 2026 568 —
Apr 11, 2026 454 —
Apr 10, 2026 367 —
Apr 9, 2026 328 —
Apr 8, 2026 400 —
Apr 7, 2026 437 —
Apr 6, 2026 406 —
Apr 5, 2026 390 —
Apr 4, 2026 396 —
Apr 3, 2026 408 —

Station Information

USGS Site No
13213000
State
ID
County
Canyon County
Coordinates
43.7817, -116.9728
Drainage Area
3,906 mi²
Datum (ft)
2,199.5
HUC Code
17050114
View on USGS NWIS →

Recent Extremes

Max discharge
2,510 cfs
Apr 19, 2026
Min discharge
313 cfs
Mar 31, 2026

Computed from the local daily-values archive.

Nearby Gauges