USGS · 13092747

ROCK CREEK

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ROCK CREEK AB HWY 30/93 XING AT TWIN FALLS ID

IDAHO42.5625°N, -114.4947°W Updated 1 d ago

FLOW RATE

91cfs

AIR TEMP

94°F

WIND

4mph NNW

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

91cfs 21.6% vs avg

Optimal band: 54–72 cfs

PERIOD HIGH

185cfs

PERIOD LOW

20cfs

RUNNABLE

28%

last 1 year in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

5.7in

-26% vs normal

5.72 in of precipitation so far this year, 26% below the 30-year normal of 7.69 in for this point in the season.

YTD Total

5.7in

This year so far

Normal to Date

7.7in

30-yr average

Typical Range

5.0–10.3in

10th–90th pct YTD

Departure

-26%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.78" · normal 1.48" (0.6–2.5)

Jan

Feb: 1.53" · normal 1.13" (0.5–2.2)

Feb

Mar: 0.48" · normal 1.40" (0.5–2.2)

Mar

Apr: 1.88" · normal 1.41" (0.7–2.1)

Apr

May: 0.17" · normal 1.47" (0.4–2.8)

May

Jun: 0.83" · normal 0.76" (0.1–2.0)

Jun

Jul: 0.05" (so far)· normal 0.20" (0.0–0.4)

Jul

Aug: normal 0.34" (0.1–0.4)

Aug

Sep: normal 0.60" (0.1–1.2)

Sep

Oct: normal 0.92" (0.2–1.7)

Oct

Nov: normal 1.19" (0.4–1.8)

Nov

Dec: normal 1.65" (0.6–2.5)

Dec

Baseline 1991–2020 · Source: Open-Meteo12:06 AM

Your History · ROCK CREEK AB HWY 30/93 XING AT TWIN FALLS ID

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Station Location

42.5625, -114.4947

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DATA · USGS · NOAA · NWSUPDATED 2026-07-05 00:00 UTC

Site #13092747·USGS

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