USGS · 06921590

SOUTH GRAND RIVER

USGS · 06921590LIVE

South Grand River at Archie, MO

CASS COUNTY, MO38.4916°N, -94.3442°W Updated 1 hr ago

FLOW RATE

37.2cfs

GAUGE HT

5.57ft

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 DAY

37.2cfs 59.6% vs avg

Optimal band: 49–67 cfs

PERIOD HIGH

122cfs

PERIOD LOW

37.2cfs

RUNNABLE

32%

last 1 day in band

Gauge Height

5.57ft

Precipitation History

Precipitation · YTD

Wet

Wetter than normal

2026 to date

30.1in

+28% vs normal

30.1 in of precipitation so far this year, 28% above the 30-year normal of 23.52 in for this point in the season.

YTD Total

30.1in

This year so far

Normal to Date

23.5in

30-yr average

Typical Range

18.3–29.8in

10th–90th pct YTD

Departure

+28%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 1.60" · normal 1.75" (0.7–2.8)

Jan

Feb: 2.52" · normal 2.22" (0.9–3.6)

Feb

Mar: 2.44" · normal 3.16" (1.5–5.4)

Mar

Apr: 9.23" · normal 4.70" (2.9–6.6)

Apr

May: 7.24" · normal 5.64" (2.7–8.7)

May

Jun: 6.77" · normal 4.96" (2.1–8.5)

Jun

Jul: 0.30" (so far)· normal 3.55" (1.3–6.4)

Jul

Aug: normal 3.46" (1.3–6.2)

Aug

Sep: normal 3.67" (1.6–6.7)

Sep

Oct: normal 3.42" (1.4–5.5)

Oct

Nov: normal 2.73" (1.2–5.9)

Nov

Dec: normal 2.02" (0.6–3.4)

Dec

Baseline 1991–2020 · Source: Open-Meteo12:07 PM

Your History · South Grand River at Archie, MO

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Station Location

38.4916, -94.3442

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DATA · USGS · NOAA · NWSUPDATED 2026-07-07 13:30 UTC

Site #06921590·USGS

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