MEDIAN FLOW RATE · 30 DAY
230cfs 67.0% vs avg
Optimal band: 268–362 cfs
PERIOD HIGH
540cfs
PERIOD LOW
179cfs
RUNNABLE
26%
last 30 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
17.3in
≈ normal
17.3 in of precipitation so far this year — about average for this point in the season (normal 19.13 in).
YTD Total
17.3in
This year so far
Normal to Date
19.1in
30-yr average
Typical Range
14.6–24.2in
10th–90th pct YTD
Departure
-10%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.07" · normal 2.75" (1.4–4.4)
Feb: 1.28" · normal 2.53" (1.2–4.9)
Mar: 3.10" · normal 3.45" (1.6–4.6)
Apr: 2.24" · normal 3.30" (1.9–4.9)
May: 4.76" · normal 3.57" (1.4–6.2)
Jun: 2.43" · normal 2.98" (1.4–4.6)
Jul: 1.42" (so far)· normal 2.65" (1.3–4.2)
Aug: normal 1.98" (1.0–3.6)
Sep: normal 3.56" (1.1–7.4)
Oct: normal 2.91" (1.1–5.2)
Nov: normal 2.55" (1.2–3.9)
Dec: normal 2.93" (1.6–4.3)
Baseline 1991–2020 · Source: Open-Meteo09:47 AM
Your History · SOUTH BRANCH POTOMAC RIVER NEAR SPRINGFIELD, WV
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Station Location
39.4470, -78.6542Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #01608500·USGS
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