USGS · 02203800

SOUTH RIVER

USGS · 02203800LIVE

SOUTH RIVER AT BOULDERCREST ROAD AT ATLANTA, GA

DEKALB COUNTY, GA33.6796°N, -84.3079°W Updated 16 hr ago

FLOW RATE

18cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 30 DAY

18cfs 22.2% vs avg

Optimal band: 20–26 cfs

PERIOD HIGH

320cfs

PERIOD LOW

16cfs

RUNNABLE

26%

last 30 day in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

27.3in

≈ normal

27.33 in of precipitation so far this year — about average for this point in the season (normal 25.78 in).

YTD Total

27.3in

This year so far

Normal to Date

25.8in

30-yr average

Typical Range

18.8–33.7in

10th–90th pct YTD

Departure

+6%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 2.74" · normal 4.39" (2.6–6.7)

Jan

Feb: 3.79" · normal 4.60" (1.9–6.5)

Feb

Mar: 2.98" · normal 4.52" (2.5–7.4)

Mar

Apr: 1.97" · normal 3.60" (1.8–5.6)

Apr

May: 9.49" · normal 3.28" (1.5–4.8)

May

Jun: 5.51" · normal 4.10" (2.2–6.6)

Jun

Jul: 0.85" (so far)· normal 4.45" (2.1–7.5)

Jul

Aug: normal 4.36" (2.0–6.5)

Aug

Sep: normal 3.63" (1.1–6.1)

Sep

Oct: normal 3.21" (0.9–6.8)

Oct

Nov: normal 3.75" (1.7–5.7)

Nov

Dec: normal 4.38" (2.7–6.8)

Dec

Baseline 1991–2020 · Source: Open-Meteo02:42 PM

Your History · SOUTH RIVER AT BOULDERCREST ROAD AT ATLANTA, GA

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Station Location

33.6796, -84.3079

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DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC

Site #02203800·USGS

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