USGS · 02069700

SOUTH MAYO RIVER

USGS · 02069700LIVE

SOUTH MAYO RIVER NEAR NETTLERIDGE, VA

VIRGINIA36.5710°N, -80.1295°W Updated 32 min ago

FLOW RATE

21.6cfs

GAUGE HT

2.93ft

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

21.6cfs 75.2% vs avg

Optimal band: 19–26 cfs

PERIOD HIGH

37.2cfs

PERIOD LOW

15.2cfs

RUNNABLE

46%

last 1 day in band

Gauge Height

2.93ft

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

15.3in

-33% vs normal

15.32 in of precipitation so far this year, 33% below the 30-year normal of 22.95 in for this point in the season.

YTD Total

15.3in

This year so far

Normal to Date

22.9in

30-yr average

Typical Range

16.4–31.1in

10th–90th pct YTD

Departure

-33%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 2.78" · normal 3.82" (2.0–7.0)

Jan

Feb: 2.02" · normal 3.28" (1.6–5.4)

Feb

Mar: 2.24" · normal 4.39" (2.6–6.2)

Mar

Apr: 1.12" · normal 3.95" (1.7–5.8)

Apr

May: 4.37" · normal 3.44" (1.4–6.0)

May

Jun: 2.38" · normal 3.26" (1.2–6.1)

Jun

Jul: 0.40" (so far)· normal 3.21" (1.5–4.7)

Jul

Aug: normal 3.12" (1.7–5.2)

Aug

Sep: normal 3.94" (1.5–7.9)

Sep

Oct: normal 3.44" (1.4–6.1)

Oct

Nov: normal 3.52" (1.4–5.9)

Nov

Dec: normal 3.81" (2.1–5.4)

Dec

Baseline 1991–2020 · Source: Open-Meteo12:09 PM

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Station Location

36.5710, -80.1295

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DATA · USGS · NOAA · NWSUPDATED 2026-07-07 17:45 UTC

Site #02069700·USGS

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