Rockcastle River at Billows, KY

USGS Site No: 03406500 • Rockcastle River • Laurel County, KY

Rockcastle River at Billows, KY on the Rockcastle River is currently at 1,190 cfs (High — 86th percentile for this date) . Gage height: 5.03 ft.

Reading from

1,190
CFS Discharge
5.03
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 56
25th Low threshold 95
50th (Median) Normal (median) 243
75th High threshold 480
95th Very High threshold 1,810 Today: 1,190 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.

10k 5.2k 0 cfs Apr 6 May 28
10th–95th historical Day-of-year median Recent discharge

30-Day Flow History

Date Discharge (CFS) Gage Ht (ft)
May 28, 2026 2,870 —
May 27, 2026 1,660 —
May 26, 2026 1,450 —
May 25, 2026 2,420 —
May 24, 2026 2,260 —
May 23, 2026 1,220 —
May 22, 2026 154 —
May 21, 2026 43 —
May 20, 2026 37 —
May 19, 2026 36 —
May 18, 2026 39 —
May 17, 2026 43 —
May 16, 2026 47 —
May 15, 2026 55 —
Apr 21, 2026 93 —
Apr 20, 2026 102 —
Apr 19, 2026 108 —
Apr 18, 2026 112 —
Apr 17, 2026 121 —
Apr 16, 2026 129 —
Apr 15, 2026 137 —
Apr 14, 2026 143 —
Apr 13, 2026 154 —
Apr 12, 2026 161 —
Apr 11, 2026 171 —
Apr 10, 2026 183 —
Apr 9, 2026 198 —
Apr 8, 2026 220 —
Apr 7, 2026 262 —
Apr 6, 2026 265 —

Station Information

USGS Site No
03406500
State
KY
County
Laurel County
Coordinates
37.1712, -84.2960
Drainage Area
604 mi²
Datum (ft)
802.7
HUC Code
05130102
View on USGS NWIS →

Recent Extremes

Max discharge
15,300 cfs
May 17, 2025
Min discharge
16 cfs
Sep 21, 2025

Computed from the local daily-values archive.

Nearby Gauges

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