USGS · 01485500

NASSAWANGO CREEK

USGS · 01485500LIVE

NASSAWANGO CREEK NEAR SNOW HILL, MD

MARYLAND38.2289°N, -75.4714°W Updated 9 hr ago

FLOW RATE

2cfs

AIR TEMP

79°F

WIND

5mph WSW

FISH INDEX

69SCORE / 100

GREAT · 4 OF 5

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

2cfs 65.4% vs avg

Optimal band: 3–3 cfs

PERIOD HIGH

4cfs

PERIOD LOW

2cfs

RUNNABLE

50%

last 7 day in band

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

17.7in

-17% vs normal

17.67 in of precipitation so far this year, 17% below the 30-year normal of 21.25 in for this point in the season.

YTD Total

17.7in

This year so far

Normal to Date

21.3in

30-yr average

Typical Range

17.8–26.3in

10th–90th pct YTD

Departure

-17%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 3.01" · normal 3.26" (1.9–4.3)

Jan

Feb: 4.44" · normal 3.03" (1.2–4.8)

Feb

Mar: 2.01" · normal 4.07" (2.5–5.7)

Mar

Apr: 1.74" · normal 3.37" (2.0–4.5)

Apr

May: 3.06" · normal 3.52" (1.7–6.2)

May

Jun: 3.34" · normal 3.57" (1.8–4.9)

Jun

Jul: 0.08" (so far)· normal 4.47" (2.9–6.6)

Jul

Aug: normal 4.82" (2.0–7.9)

Aug

Sep: normal 4.33" (1.6–7.4)

Sep

Oct: normal 4.15" (1.2–6.3)

Oct

Nov: normal 3.02" (1.0–5.3)

Nov

Dec: normal 3.62" (1.8–5.4)

Dec

Baseline 1991–2020 · Source: Open-Meteo07:12 AM

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Station Location

38.2289, -75.4714

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DATA · USGS · NOAA · NWSUPDATED 2026-07-03 09:47 UTC

Site #01485500·USGS

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