USGS · 06478600

EF VERMILLION RIVER

USGS · 06478600LIVE

EF Vermillion R near Parker, SD

TURNER COUNTY, SD43.4452°N, -97.1098°W Updated 22 hr ago

FLOW RATE

43cfs

GAUGE HT

5.76ft

1D 7D 30D 1YR

Flow Rate Historical Avg

MEDIAN FLOW RATE · 1 YEAR

43cfs 82.9% vs avg

Optimal band: 9–13 cfs

PERIOD HIGH

72cfs

PERIOD LOW

2cfs

RUNNABLE

22%

last 1 year in band

Gauge Height

5.76ft

Weather Map

Loading weather map…

Precipitation History

Precipitation · YTD

Dry

Drier than normal

2026 to date

15.1in

-16% vs normal

15.05 in of precipitation so far this year, 16% below the 30-year normal of 17.88 in for this point in the season.

YTD Total

15.1in

This year so far

Normal to Date

17.9in

30-yr average

Typical Range

12.4–23.0in

10th–90th pct YTD

Departure

-16%

vs 30-yr normal

By Month

This year

Typical range

Normal

Jan: 0.35" · normal 0.80" (0.4–1.4)

Jan

Feb: 0.11" · normal 0.94" (0.3–1.4)

Feb

Mar: 1.55" · normal 1.80" (0.7–3.3)

Mar

Apr: 2.88" · normal 3.53" (1.5–5.5)

Apr

May: 3.91" · normal 4.28" (2.0–6.9)

May

Jun: 4.28" · normal 4.95" (2.8–8.4)

Jun

Jul: 1.97" (so far)· normal 3.27" (1.0–6.3)

Jul

Aug: normal 3.46" (1.1–5.5)

Aug

Sep: normal 2.99" (0.7–4.8)

Sep

Oct: normal 2.37" (0.9–4.3)

Oct

Nov: normal 1.48" (0.3–3.9)

Nov

Dec: normal 1.02" (0.3–1.9)

Dec

Baseline 1991–2020 · Source: Open-Meteo22:39 UTC

Your History · EF Vermillion R near Parker, SD

Track your history

Station Location

43.4452, -97.1098

Loading map…

DATA · USGS · NOAA · NWSUPDATED 2026-07-13 00:00 UTC

Site #06478600·USGS

Create a free account to save favorites, set flow alerts, and track conditions