USGS · 03406500

ROCKCASTLE RIVER

USGS · 03406500LIVE

ROCKCASTLE RIVER AT BILLOWS, KY

KENTUCKY37.1712°N, -84.2960°W Updated 1 d ago

FLOW RATE

238cfs

GAUGE HT

2.49ft

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

238cfs 62.7% vs avg

Optimal band: 201–271 cfs

PERIOD HIGH

238cfs

PERIOD LOW

236cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

2.49ft

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

23.1in

-16% vs normal

23.09 in of precipitation so far this year, 16% below the 30-year normal of 27.49 in for this point in the season.

YTD Total

23.1in

This year so far

Normal to Date

27.5in

30-yr average

Typical Range

22.4–35.3in

10th–90th pct YTD

Departure

-16%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 3.24" · normal 4.00" (2.7–5.6)

Jan

Feb: 3.03" · normal 4.33" (2.4–7.7)

Feb

Mar: 2.84" · normal 4.80" (2.3–6.8)

Mar

Apr: 2.28" · normal 4.61" (2.5–7.3)

Apr

May: 5.65" · normal 4.64" (2.5–7.0)

May

Jun: 5.72" · normal 4.30" (2.1–6.4)

Jun

Jul: 0.32" (so far)· normal 4.50" (2.7–6.4)

Jul

Aug: normal 3.48" (2.0–4.9)

Aug

Sep: normal 3.72" (1.3–6.6)

Sep

Oct: normal 3.43" (1.2–5.6)

Oct

Nov: normal 3.89" (2.2–6.3)

Nov

Dec: normal 4.65" (3.0–7.0)

Dec

Baseline 1991–2020 · Source: Open-Meteo11:58 PM

Your History · ROCKCASTLE RIVER AT BILLOWS, KY

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Station Location

37.1712, -84.2960

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DATA · USGS · NOAA · NWSUPDATED 2026-07-04 15:30 UTC

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