Santa Ynez River at H St near Lompoc CA

USGS Site No: 11134000 • Santa Ynez River • Santa Barbara County, CA

Santa Ynez River at H St near Lompoc CA on the Santa Ynez River is currently at 35 cfs (High — 83th percentile for this date) . Gage height: 2.61 ft.

Reading from

↑ Upstream on Santa Ynez River
Santa Ynez River at Narrows near Lompoc CA
35
CFS Discharge
2.61
Gage Height (ft)
High
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) 0
75th High threshold 1
95th Very High threshold 89 Today: 35 cfs

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.

3k 1.5k 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 37 —
May 27, 2026 38 —
May 26, 2026 44 —
May 25, 2026 44 —
May 24, 2026 45 —
May 23, 2026 46 —
May 22, 2026 51 —
May 21, 2026 54 —
May 20, 2026 58 —
May 19, 2026 62 —
May 18, 2026 66 —
May 17, 2026 65 —
May 16, 2026 63 —
May 15, 2026 64 —
Apr 20, 2026 92 —
Apr 19, 2026 91 —
Apr 18, 2026 95 —
Apr 17, 2026 99 —
Apr 16, 2026 101 —
Apr 15, 2026 100 —
Apr 14, 2026 103 —
Apr 13, 2026 108 —
Apr 12, 2026 108 —
Apr 11, 2026 105 —
Apr 10, 2026 105 —
Apr 9, 2026 105 —
Apr 8, 2026 106 —
Apr 7, 2026 106 —
Apr 6, 2026 108 —
Apr 5, 2026 108 —

Station Information

USGS Site No
11134000
State
CA
County
Santa Barbara County
Coordinates
34.6683, -120.4579
Drainage Area
815 mi²
Datum (ft)
60.6
HUC Code
18060010
View on USGS NWIS →

Recent Extremes

Max discharge
7,180 cfs
Jan 4, 2026
Min discharge
0 cfs
Nov 16, 2025

Computed from the local daily-values archive.

Nearby Gauges

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