USGS · 12147470

NF TOLT RIVER

USGS · 12147470LIVE

NF TOLT RIVER ABOVE YELLOW CREEK NR CARNATION, WA

KING COUNTY, WA47.7197°N, -121.7432°W Updated 19 hr ago

FLOW RATE

84cfs

AIR TEMP

58°F

WIND

3mph SW

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

84cfs 6.4% vs avg

Optimal band: 167–225 cfs

PERIOD HIGH

4,182cfs

PERIOD LOW

27cfs

RUNNABLE

11%

last 1 year in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

40.7in

≈ normal

40.74 in of precipitation so far this year — about average for this point in the season (normal 44.64 in).

YTD Total

40.7in

This year so far

Normal to Date

44.6in

30-yr average

Typical Range

33.8–55.7in

10th–90th pct YTD

Departure

-9%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 6.92" · normal 11.19" (7.3–15.8)

Jan

Feb: 5.22" · normal 7.93" (3.8–13.5)

Feb

Mar: 15.75" · normal 8.79" (5.3–13.3)

Mar

Apr: 5.17" · normal 6.97" (3.4–10.1)

Apr

May: 3.18" · normal 5.10" (3.0–7.2)

May

Jun: 3.97" · normal 4.34" (2.1–6.4)

Jun

Jul: 0.53" (so far)· normal 1.95" (0.4–4.2)

Jul

Aug: normal 2.19" (0.7–4.0)

Aug

Sep: normal 4.36" (1.0–7.7)

Sep

Oct: normal 8.74" (4.4–13.1)

Oct

Nov: normal 12.10" (6.3–16.3)

Nov

Dec: normal 10.94" (7.3–16.1)

Dec

Baseline 1991–2020 · Source: Open-Meteo01:14 PM

Your History · NF TOLT RIVER ABOVE YELLOW CREEK NR CARNATION, WA

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Station Location

47.7197, -121.7432

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DATA · USGS · NOAA · NWSUPDATED 2026-07-03 19:47 UTC

Site #12147470·USGS

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