MEDIAN FLOW RATE · 1 DAY
—cfs
No flow data available
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
19.6in
≈ normal
19.63 in of precipitation so far this year — about average for this point in the season (normal 20.21 in).
YTD Total
19.6in
This year so far
Normal to Date
20.2in
30-yr average
Typical Range
15.9–25.4in
10th–90th pct YTD
Departure
-3%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.89" · normal 3.15" (2.2–4.3)
Feb: 2.00" · normal 2.88" (1.7–4.5)
Mar: 3.19" · normal 4.07" (2.0–6.3)
Apr: 2.49" · normal 3.55" (1.9–5.8)
May: 6.10" · normal 3.48" (1.4–5.6)
Jun: 2.96" (so far)· normal 3.69" (1.9–7.0)
Jul: normal 3.78" (1.9–5.8)
Aug: normal 3.70" (1.5–6.3)
Sep: normal 4.40" (1.4–6.8)
Oct: normal 3.78" (1.7–6.5)
Nov: normal 3.00" (1.2–4.8)
Dec: normal 3.86" (1.7–6.4)
Baseline 1991–2020 · Source: Open-Meteo10:29 PM
Your History · Ches Bay at Mouth of Susq R at Havre de Grace, MD
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Weather Conditions
WEATHER CONDITIONS
TODAY
85°
61°
FRI
88°
71°
SAT
77°
66°
SUN
86°
67°
MON
88°
66°
TUE
89°
66°
WED
99°
73°
FISH INDEX
Temperature
Too Hot
Wind
Moderate
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:38 AM
SUNSET
08:35 PM
14H 57M OF DAYLIGHT0H 0M REMAINING
MOON PHASE
Waxing Gibbous
82% illuminated
Station Location
39.5378, -76.0896Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-25 22:29 UTC
Site #01580620·USGS
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