Huasna River near Arroyo Grande CA

USGS Site No: 11137900 • Huasna River • San Luis Obispo County, CA

Huasna River near Arroyo Grande CA on the Huasna River is currently at 2 cfs (Normal — 70th percentile for this date) . Gage height: 2.14 ft.

Reading from

2
CFS Discharge
2.14
Gage Height (ft)
Normal
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 0
25th Low threshold 0
50th (Median) Normal (median) 1
75th High threshold 2 Today: 2 cfs
95th Very High threshold 12

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.

208 104 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 2 —
May 27, 2026 2 —
May 26, 2026 2 —
May 25, 2026 2 —
May 24, 2026 2 —
May 23, 2026 2 —
May 22, 2026 2 —
May 21, 2026 2 —
May 20, 2026 2 —
May 19, 2026 2 —
May 18, 2026 2 —
May 17, 2026 2 —
May 16, 2026 2 —
May 15, 2026 2 —
Apr 20, 2026 13 —
Apr 19, 2026 13 —
Apr 18, 2026 10 —
Apr 17, 2026 14 —
Apr 16, 2026 15 —
Apr 15, 2026 15 —
Apr 14, 2026 19 —
Apr 13, 2026 31 —
Apr 12, 2026 59 —
Apr 11, 2026 5 —
Apr 10, 2026 5 —
Apr 9, 2026 4 —
Apr 8, 2026 4 —
Apr 7, 2026 4 —
Apr 6, 2026 4 —
Apr 5, 2026 5 —

Station Information

USGS Site No
11137900
State
CA
County
San Luis Obispo County
Coordinates
35.0777, -120.3718
Drainage Area
103 mi²
Datum (ft)
634.6
HUC Code
18060007
View on USGS NWIS →

Recent Extremes

Max discharge
787 cfs
Feb 18, 2026
Min discharge
0 cfs
Sep 14, 2025

Computed from the local daily-values archive.

Nearby Gauges

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