USGS · 030850498

NINEMILE RUN

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Ninemile Run above McFarren St nr Swissviale, PA

PITTSBURGH, PA40.4173°N, -79.9156°W Updated 19 hr ago

FLOW RATE

1cfs

AIR TEMP

97°F

WIND

8mph W

FISH INDEX

56SCORE / 100

GOOD · 3 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

1cfs

Optimal band: 5–7 cfs

PERIOD HIGH

10cfs

PERIOD LOW

1cfs

RUNNABLE

25%

last 7 day in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

27.8in

≈ normal

27.76 in of precipitation so far this year — about average for this point in the season (normal 25.86 in).

YTD Total

27.8in

This year so far

Normal to Date

25.9in

30-yr average

Typical Range

20.5–31.2in

10th–90th pct YTD

Departure

+7%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 2.64" · normal 3.59" (2.0–5.1)

Jan

Feb: 1.74" · normal 3.18" (1.7–5.0)

Feb

Mar: 6.86" · normal 4.25" (2.2–6.4)

Mar

Apr: 5.60" · normal 4.62" (2.8–6.4)

Apr

May: 5.50" · normal 4.86" (2.1–7.6)

May

Jun: 5.42" · normal 4.97" (2.4–7.3)

Jun

Jul: 0.01" (so far)· normal 4.39" (3.1–6.2)

Jul

Aug: normal 3.77" (2.3–5.6)

Aug

Sep: normal 3.98" (1.5–7.3)

Sep

Oct: normal 3.63" (1.9–6.0)

Oct

Nov: normal 3.44" (1.6–4.9)

Nov

Dec: normal 3.51" (2.0–5.1)

Dec

Baseline 1991–2020 · Source: Open-Meteo04:13 PM

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Station Location

40.4173, -79.9156

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DATA · USGS · NOAA · NWSUPDATED 2026-07-03 19:48 UTC

Site #030850498·USGS

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