MEDIAN FLOW RATE · 1 DAY
22.8cfs 51.3% vs avg
Optimal band: 22–29 cfs
PERIOD HIGH
27.6cfs
PERIOD LOW
22.8cfs
RUNNABLE
100%
last 1 day in band
Gauge Height
8.56ft
Water Temperature
11.0°F
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
51.5in
≈ normal
51.49 in of precipitation so far this year — about average for this point in the season (normal 50.15 in).
YTD Total
51.5in
This year so far
Normal to Date
50.1in
30-yr average
Typical Range
39.1–62.8in
10th–90th pct YTD
Departure
+3%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 9.20" · normal 13.17" (9.2–17.4)
Feb: 5.05" · normal 8.93" (4.1–14.2)
Mar: 20.39" · normal 10.20" (6.0–15.6)
Apr: 5.38" · normal 7.63" (3.6–11.0)
May: 4.55" · normal 5.27" (2.7–7.6)
Jun: 6.33" · normal 4.35" (2.0–6.4)
Jul: 0.59" (so far)· normal 2.00" (0.6–4.1)
Aug: normal 2.18" (0.6–4.2)
Sep: normal 4.57" (1.0–8.2)
Oct: normal 9.96" (4.2–15.5)
Nov: normal 13.99" (7.7–19.5)
Dec: normal 12.74" (7.8–19.0)
Baseline 1991–2020 · Source: Open-Meteo01:21 PM
Your History · SOUTH FORK SULTAN RIVER NEAR SULTAN, WA
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Station Location
47.9473, -121.6268Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 15:00 UTC
Site #12137290·USGS
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