MEDIAN FLOW RATE · 30 DAY
3cfs 69.1% vs avg
Optimal band: 6–8 cfs
PERIOD HIGH
8cfs
PERIOD LOW
3cfs
RUNNABLE
71%
last 30 day in band
Gauge Height
0.58ft
Weather Map
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Precipitation History
Precipitation · YTD
DryDrier than normal
2026 to date
4.5in
-28% vs normal
4.49 in of precipitation so far this year, 28% below the 30-year normal of 6.25 in for this point in the season.
YTD Total
4.5in
This year so far
Normal to Date
6.3in
30-yr average
Typical Range
4.3–8.3in
10th–90th pct YTD
Departure
-28%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.79" · normal 1.49" (0.7–2.3)
Feb: 1.03" · normal 1.03" (0.5–1.7)
Mar: 1.03" · normal 1.23" (0.4–2.0)
Apr: 0.83" · normal 0.87" (0.3–1.5)
May: 0.40" · normal 0.88" (0.2–1.4)
Jun: 0.42" · normal 0.66" (0.2–1.3)
Jul: 0.00" (so far)· normal 0.22" (0.0–0.5)
Aug: normal 0.22" (0.0–0.5)
Sep: normal 0.35" (0.0–0.9)
Oct: normal 1.03" (0.3–1.6)
Nov: normal 1.45" (0.6–2.6)
Dec: normal 1.71" (0.7–2.6)
Baseline 1991–2020 · Source: Open-Meteo23:19 UTC
Your History · CRAB CREEK AT IRBY, WA
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Station Location
47.3604, -118.8500Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC
Site #12465000·USGS
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