USGS · 02203960

SNAPFINGER CR RIVER

USGS · 02203960LIVE

SNAPFINGER CR AT THOMPSON MILL RD NR LITHONIA, GA

DEKALB COUNTY, GA33.6967°N, -84.1986°W Updated 11 hr ago

FLOW RATE

16cfs

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 7 DAY

16cfs 26.2% vs avg

Optimal band: 14–18 cfs

PERIOD HIGH

43cfs

PERIOD LOW

11cfs

RUNNABLE

13%

last 7 day in band

Precipitation History

Precipitation · YTD

Normal

Near-normal year

2026 to date

25.5in

≈ normal

25.52 in of precipitation so far this year — about average for this point in the season (normal 25.58 in).

YTD Total

25.5in

This year so far

Normal to Date

25.6in

30-yr average

Typical Range

18.8–33.6in

10th–90th pct YTD

Departure

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 2.71" · normal 4.38" (2.6–6.8)

Jan

Feb: 3.48" · normal 4.58" (1.9–6.5)

Feb

Mar: 2.54" · normal 4.52" (2.5–7.4)

Mar

Apr: 1.91" · normal 3.57" (1.8–5.5)

Apr

May: 9.16" · normal 3.23" (1.5–4.8)

May

Jun: 5.08" · normal 4.03" (2.2–6.6)

Jun

Jul: 0.65" (so far)· normal 4.49" (2.1–7.6)

Jul

Aug: normal 4.42" (2.0–6.7)

Aug

Sep: normal 3.64" (1.1–6.1)

Sep

Oct: normal 3.25" (0.9–6.9)

Oct

Nov: normal 3.75" (1.7–5.7)

Nov

Dec: normal 4.40" (2.6–7.1)

Dec

Baseline 1991–2020 · Source: Open-Meteo11:12 AM

Your History · SNAPFINGER CR AT THOMPSON MILL RD NR LITHONIA, GA

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Station Location

33.6967, -84.1986

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

Site #02203960·USGS

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