MEDIAN FLOW RATE · 1 DAY
—cfs
No flow data available
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
21.5in
≈ normal
21.5 in of precipitation so far this year — about average for this point in the season (normal 23.49 in).
YTD Total
21.5in
This year so far
Normal to Date
23.5in
30-yr average
Typical Range
19.7–29.7in
10th–90th pct YTD
Departure
-8%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.76" · normal 3.37" (2.3–4.7)
Feb: 1.94" · normal 3.00" (1.8–5.1)
Mar: 3.75" · normal 4.18" (2.0–6.3)
Apr: 2.39" · normal 3.79" (2.2–5.9)
May: 3.89" · normal 3.80" (1.7–5.7)
Jun: 4.57" · normal 4.33" (2.4–7.3)
Jul: 2.21" (so far)· normal 4.39" (2.3–6.4)
Aug: normal 4.06" (1.7–6.8)
Sep: normal 4.49" (1.5–7.5)
Oct: normal 3.87" (1.9–6.2)
Nov: normal 3.08" (1.4–4.7)
Dec: normal 4.03" (2.0–5.6)
Baseline 1991–2020 · Source: Open-Meteo09:35 PM
Your History · UT at mouth (SW-28) bl Willow Grove NAS, PA
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Station Location
40.2182, -75.1539Loading map…
DATA · USGS · NOAA · NWS
Site #014648985·USGS
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