MEDIAN FLOW RATE · 1 YEAR
10,184cfs 42.7% vs avg
Optimal band: 11,084–14,996 cfs
PERIOD HIGH
123,979cfs
PERIOD LOW
3,515cfs
RUNNABLE
12%
last 1 year in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
19.2in
≈ normal
19.2 in of precipitation so far this year — about average for this point in the season (normal 21.79 in).
YTD Total
19.2in
This year so far
Normal to Date
21.8in
30-yr average
Typical Range
17.4–29.1in
10th–90th pct YTD
Departure
-12%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.62" · normal 3.30" (2.0–4.8)
Feb: 1.64" · normal 2.86" (1.5–5.3)
Mar: 4.46" · normal 3.86" (1.9–5.8)
Apr: 2.61" · normal 3.62" (2.1–5.7)
May: 3.98" · normal 3.57" (1.4–5.5)
Jun: 2.52" · normal 3.56" (1.8–5.6)
Jul: 1.37" (so far)· normal 3.68" (1.8–5.7)
Aug: normal 3.22" (1.6–4.6)
Sep: normal 4.23" (1.2–7.3)
Oct: normal 3.39" (1.5–5.7)
Nov: normal 3.11" (1.4–4.5)
Dec: normal 3.51" (1.6–5.3)
Baseline 1991–2020 · Source: Open-Meteo01:32 AM
Your History · Susquehanna River at Harrisburg, PA
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Station Location
40.2547, -76.8861Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC
Site #01570500·USGS
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