USGS · 06169500

ROCK CREEK

USGS · 06169500LIVE

Rock Creek bl Horse Creek nr int'l boundary

VALLEY COUNTY, MT48.9694°N, -106.8398°W Updated 38 min ago

FLOW RATE

9.04cfs

GAUGE HT

2.87ft

AIR TEMP

67°F

WIND

8mph NNE

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

9.04cfs 150.7% vs avg

Optimal band: 9–12 cfs

PERIOD HIGH

11.5cfs

PERIOD LOW

9.04cfs

RUNNABLE

100%

last 1 day in band

Gauge Height

2.87ft

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

9.5in

≈ normal

9.5 in of precipitation so far this year — about average for this point in the season (normal 9.35 in).

YTD Total

9.5in

This year so far

Normal to Date

9.3in

30-yr average

Typical Range

6.9–12.5in

10th–90th pct YTD

Departure

+2%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.35" · normal 0.59" (0.2–0.9)

Jan

Feb: 0.72" · normal 0.39" (0.1–0.8)

Feb

Mar: 0.94" · normal 0.75" (0.2–1.2)

Mar

Apr: 1.26" · normal 1.37" (0.6–2.0)

Apr

May: 2.16" · normal 2.50" (1.2–4.7)

May

Jun: 3.90" · normal 3.23" (1.5–4.7)

Jun

Jul: 0.16" (so far)· normal 1.83" (0.4–4.2)

Jul

Aug: normal 1.69" (0.4–3.3)

Aug

Sep: normal 1.33" (0.3–2.7)

Sep

Oct: normal 1.10" (0.5–1.6)

Oct

Nov: normal 0.72" (0.2–1.3)

Nov

Dec: normal 0.55" (0.2–0.9)

Dec

Baseline 1991–2020 · Source: Open-Meteo12:07 AM

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Station Location

48.9694, -106.8398

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DATA · USGS · NOAA · NWSUPDATED 2026-07-06 03:15 UTC

Site #06169500·USGS

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