USGS · 01480500

WEST BRANCH

USGS · 01480500LIVE

West Branch Brandywine Creek at Coatesville, PA

COATESVILLE, PA39.9857°N, -75.8274°W Updated 7 hr ago

FLOW RATE

11cfs

AIR TEMP

70°F

WIND

3mph SSW

FISH INDEX

75SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

11cfs 58.6% vs avg

Optimal band: 12–16 cfs

PERIOD HIGH

67cfs

PERIOD LOW

11cfs

RUNNABLE

58%

last 30 day in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

22.2in

≈ normal

22.16 in of precipitation so far this year — about average for this point in the season (normal 23.83 in).

YTD Total

22.2in

This year so far

Normal to Date

23.8in

30-yr average

Typical Range

19.1–30.8in

10th–90th pct YTD

Departure

-7%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 2.82" · normal 3.35" (2.2–4.3)

Jan

Feb: 2.12" · normal 3.01" (1.7–5.0)

Feb

Mar: 3.24" · normal 4.16" (2.0–6.1)

Mar

Apr: 2.71" · normal 3.87" (2.1–6.2)

Apr

May: 3.97" · normal 3.81" (1.9–5.9)

May

Jun: 4.35" · normal 4.43" (2.5–7.7)

Jun

Jul: 2.96" (so far)· normal 4.34" (2.3–6.3)

Jul

Aug: normal 4.06" (2.0–6.3)

Aug

Sep: normal 4.64" (1.8–7.7)

Sep

Oct: normal 3.91" (1.9–6.3)

Oct

Nov: normal 3.01" (1.5–4.4)

Nov

Dec: normal 3.98" (1.9–5.7)

Dec

Baseline 1991–2020 · Source: Open-Meteo07:51 AM

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Station Location

39.9857, -75.8274

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DATA · USGS · NOAA · NWSUPDATED 2026-07-09 00:00 UTC

Site #01480500·USGS

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