USGS · 12020800

SOUTH FORK CHEHALIS

USGS · 12020800LIVE

SOUTH FORK CHEHALIS RIVER NEAR WILDWOOD, WA

LEWIS COUNTY, WA46.4448°N, -123.0837°W

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

—cfs

No flow data available

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

25.1in

≈ normal

25.09 in of precipitation so far this year — about average for this point in the season (normal 28.51 in).

YTD Total

25.1in

This year so far

Normal to Date

28.5in

30-yr average

Typical Range

21.4–35.7in

10th–90th pct YTD

Departure

-12%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 4.82" · normal 7.01" (4.0–10.4)

Jan

Feb: 4.48" · normal 5.26" (2.6–7.6)

Feb

Mar: 8.33" · normal 6.12" (3.0–9.8)

Mar

Apr: 3.91" · normal 4.87" (2.5–7.9)

Apr

May: 1.60" · normal 3.09" (1.0–5.0)

May

Jun: 1.88" · normal 2.02" (0.7–3.1)

Jun

Jul: 0.08" (so far)· normal 0.68" (0.1–1.5)

Jul

Aug: normal 0.90" (0.1–2.2)

Aug

Sep: normal 2.01" (0.2–4.0)

Sep

Oct: normal 4.70" (1.9–7.3)

Oct

Nov: normal 7.84" (3.6–11.9)

Nov

Dec: normal 7.72" (3.3–11.4)

Dec

Baseline 1991–2020 · Source: Open-Meteo02:46 PM

Your History · SOUTH FORK CHEHALIS RIVER NEAR WILDWOOD, WA

Track your history

Sign in to track your sessions at SOUTH FORK CHEHALIS RIVER NEAR WILDWOOD, WA — best days, monthly trends, and time on the water.

Station Location

46.4448, -123.0837

Loading map…

DATA · USGS · NOAA · NWS

Site #12020800·USGS

Create a free account to save favorites, set flow alerts, and track conditions