USGS · 12211190

NOOKSACK R OVERFLOW RIVER

USGS · 12211190LIVE

NOOKSACK R OVERFLOW AT EMERSON RD AT EVERSON, WA

WHATCOM COUNTY, WA48.9134°N, -122.3404°W

AIR TEMP

65°F

WIND

2mph WSW

FISH INDEX

81SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

—cfs

No flow data available

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

31.9in

-17% vs normal

31.89 in of precipitation so far this year, 17% below the 30-year normal of 38.64 in for this point in the season.

YTD Total

31.9in

This year so far

Normal to Date

38.6in

30-yr average

Typical Range

29.8–47.9in

10th–90th pct YTD

Departure

-17%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 8.14" · normal 9.82" (6.3–13.5)

Jan

Feb: 5.92" · normal 6.30" (3.4–8.8)

Feb

Mar: 10.71" · normal 8.22" (4.9–12.6)

Mar

Apr: 2.03" · normal 6.03" (3.0–8.9)

Apr

May: 1.93" · normal 4.50" (1.8–7.0)

May

Jun: 2.63" · normal 3.56" (1.4–5.5)

Jun

Jul: 0.52" (so far)· normal 1.91" (0.5–3.2)

Jul

Aug: normal 2.39" (0.4–4.9)

Aug

Sep: normal 3.83" (0.8–6.9)

Sep

Oct: normal 7.43" (3.1–11.6)

Oct

Nov: normal 10.84" (6.7–16.6)

Nov

Dec: normal 9.36" (5.2–13.7)

Dec

Baseline 1991–2020 · Source: Open-Meteo03:57 PM

Your History · NOOKSACK R OVERFLOW AT EMERSON RD AT EVERSON, WA

Track your history

Sign in to track your sessions at NOOKSACK R OVERFLOW AT EMERSON RD AT EVERSON, WA — best days, monthly trends, and time on the water.

Station Location

48.9134, -122.3404

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-03 17:07 UTC

Site #12211190·USGS

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