Colorado River Near Grand Canyon, AZ

USGS Site No: 09402500 • Colorado River • Coconino County, AZ

Colorado River Near Grand Canyon, AZ on the Colorado River is currently at 8,730 cfs (Normal — 51th percentile for this date) . Gage height: 6.79 ft.

Reading from

8,730
CFS Discharge
6.79
Gage Height (ft)
Normal
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 5,070
25th Low threshold 6,670
50th (Median) Normal (median) 8,640
75th High threshold 11,300 Today: 8,730 cfs
95th Very High threshold 18,900

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.

90k 45k 0 cfs Apr 5 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 8,030 —
May 27, 2026 7,940 —
May 26, 2026 7,540 —
May 25, 2026 7,560 —
May 24, 2026 7,670 —
May 23, 2026 8,060 —
May 22, 2026 8,100 —
May 21, 2026 8,090 —
May 20, 2026 8,250 —
May 19, 2026 7,860 —
May 18, 2026 7,460 —
May 17, 2026 7,560 —
May 16, 2026 7,960 —
May 15, 2026 7,970 —
Apr 20, 2026 8,360 —
Apr 19, 2026 8,350 —
Apr 18, 2026 8,400 —
Apr 17, 2026 8,390 —
Apr 16, 2026 8,390 —
Apr 15, 2026 8,400 —
Apr 14, 2026 8,400 —
Apr 13, 2026 8,330 —
Apr 12, 2026 8,330 —
Apr 11, 2026 8,400 —
Apr 10, 2026 8,400 —
Apr 9, 2026 8,390 —
Apr 8, 2026 8,380 —
Apr 7, 2026 8,370 —
Apr 6, 2026 8,330 —
Apr 5, 2026 8,290 —

Station Information

USGS Site No
09402500
State
AZ
Coordinates
36.1014, -112.0863
Drainage Area
141,600 mi²
Datum (ft)
2,418.7
HUC Code
15010001
View on USGS NWIS →

Recent Extremes

Max discharge
13,500 cfs
Aug 27, 2025
Min discharge
7,440 cfs
Nov 3, 2025

Computed from the local daily-values archive.