San Juan River at Four Corners, CO

USGS Site No: 09371010San Juan River • Montezuma County, CO

San Juan River at Four Corners, CO on the San Juan River is currently at 1,290 cfs (Low — 14th percentile for this date) . Gage height: 6.38 ft.

Reading from

1,290
CFS Discharge
6.38
Gage Height (ft)
Low
Flow Condition
N/A
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 764
25th Low threshold 2,730 Today: 1,290 cfs
50th (Median) Normal (median) 4,340
75th High threshold 7,810
95th Very High threshold 10,600

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.

13k 6.3k 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 1,140
May 27, 2026 1,100
May 26, 2026 905
May 25, 2026 910
May 24, 2026 936
May 23, 2026 931
May 22, 2026 532
May 21, 2026 647
May 20, 2026 746
May 19, 2026 901
May 18, 2026 972
May 17, 2026 1,000
May 16, 2026 1,040
May 15, 2026 886
Apr 20, 2026 548
Apr 19, 2026 593
Apr 18, 2026 599
Apr 17, 2026 581
Apr 16, 2026 702
Apr 15, 2026 675
Apr 14, 2026 661
Apr 13, 2026 722
Apr 12, 2026 723
Apr 11, 2026 756
Apr 10, 2026 660
Apr 9, 2026 689
Apr 8, 2026 754
Apr 7, 2026 757
Apr 6, 2026 818
Apr 5, 2026 918

Station Information

USGS Site No
09371010
State
CO
Coordinates
37.0011, -109.0296
Drainage Area
14,600 mi²
Datum (ft)
4,609.5
HUC Code
14080201
View on USGS NWIS →

Recent Extremes

Max discharge
7,070 cfs
Oct 15, 2025
Min discharge
436 cfs
Aug 10, 2025

Computed from the local daily-values archive.

Nearby Gauges