MEDIAN FLOW RATE · 30 DAY
8cfs 40.8% vs avg
Optimal band: 11–15 cfs
PERIOD HIGH
97cfs
PERIOD LOW
4cfs
RUNNABLE
26%
last 30 day in band
Gauge Height
1.72ft
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
23.6in
≈ normal
23.57 in of precipitation so far this year — about average for this point in the season (normal 23.18 in).
YTD Total
23.6in
This year so far
Normal to Date
23.2in
30-yr average
Typical Range
18.1–30.0in
10th–90th pct YTD
Departure
+2%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 3.04" · normal 3.17" (1.9–4.8)
Feb: 2.11" · normal 2.90" (1.9–4.6)
Mar: 3.62" · normal 4.07" (1.8–5.9)
Apr: 2.54" · normal 3.53" (2.1–5.3)
May: 5.02" · normal 3.95" (2.1–6.0)
Jun: 3.48" · normal 3.90" (1.8–7.0)
Jul: 3.77" (so far)· normal 4.45" (2.3–7.1)
Aug: normal 4.11" (2.1–6.5)
Sep: normal 4.85" (1.7–8.1)
Oct: normal 3.68" (1.5–5.8)
Nov: normal 3.06" (1.2–5.1)
Dec: normal 3.77" (1.9–5.9)
Baseline 1991–2020 · Source: Open-Meteo01:03 UTC
Your History · LITTLE PATUXENT RIVER AT GUILFORD, MD
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Weather Conditions
WEATHER CONDITIONS
TODAY
83°
72°
MON
87°
66°
TUE
92°
67°
WED
99°
76°
THU
95°
79°
FRI
88°
69°
SAT
91°
73°
FISH INDEX
Temperature
Warm
Wind
Calm
Pressure
Stable
Moon Phase
Peak Activity
DAYLIGHT
SUNRISE
05:51 AM
SUNSET
08:34 PM
14H 43M OF DAYLIGHT
MOON PHASE
New Moon
3% illuminated
PEAK ACTIVITY
Station Location
39.1677, -76.8512Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC
Site #01593500·USGS
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