Waterlands
Unnamed Tributary To Coulter Creek
USGS · 12073905
UNNAMED TRIBUTARY TO COULTER CREEK
USGS · 12073905LIVE

UNNAMED TRIBUTARY TO COULTER CREEK NEAR ALLYN, WA

MASON COUNTY, WA47.4072°N, -122.8176°W
Flow Rate Historical Avg
MEDIAN FLOW RATE · 1 DAY
cfs
No flow data available
Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

27.8in

≈ normal

27.77 in of precipitation so far this year — about average for this point in the season (normal 26.9 in).

YTD Total

27.8in

This year so far

Normal to Date

26.9in

30-yr average

Typical Range

19.0–33.2in

10th–90th pct YTD

Departure

+3%

vs 30-yr normal

By Month

This year
Typical range
Normal
Jan: 7.69" · normal 7.10" (4.0–10.2)
Jan
Feb: 5.06" · normal 4.79" (2.3–7.8)
Feb
Mar: 9.25" · normal 5.41" (2.8–9.7)
Mar
Apr: 2.53" · normal 4.15" (2.1–7.3)
Apr
May: 1.45" · normal 2.79" (1.3–4.1)
May
Jun: 1.74" · normal 2.19" (0.9–3.7)
Jun
Jul: 0.05" (so far)· normal 1.18" (0.2–2.8)
Jul
Aug: normal 1.44" (0.3–2.8)
Aug
Sep: normal 2.54" (0.9–4.4)
Sep
Oct: normal 5.20" (2.6–7.3)
Oct
Nov: normal 7.68" (3.8–12.1)
Nov
Dec: normal 7.75" (3.8–11.0)
Dec
Baseline 19912020 · Source: Open-Meteo09:43 PM
Your History · UNNAMED TRIBUTARY TO COULTER CREEK NEAR ALLYN, WA

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Station Location

47.4072, -122.8176
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DATA · USGS · NOAA · NWS
Site #12073905·USGS

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