MEDIAN FLOW RATE · 1 DAY
43.5cfs 42.5% vs avg
Optimal band: 38–51 cfs
PERIOD HIGH
45.6cfs
PERIOD LOW
43.5cfs
RUNNABLE
100%
last 1 day in band
Gauge Height
4.44ft
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
11.9in
≈ normal
11.86 in of precipitation so far this year — about average for this point in the season (normal 12.5 in).
YTD Total
11.9in
This year so far
Normal to Date
12.5in
30-yr average
Typical Range
7.6–16.6in
10th–90th pct YTD
Departure
-5%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 0.34" · normal 0.74" (0.2–1.3)
Feb: 1.22" · normal 0.79" (0.3–1.3)
Mar: 1.01" · normal 1.37" (0.5–2.9)
Apr: 2.20" · normal 2.29" (1.3–3.6)
May: 3.21" · normal 3.44" (1.8–5.2)
Jun: 3.87" (so far)· normal 4.02" (2.1–6.3)
Jul: normal 3.01" (0.8–5.9)
Aug: normal 2.69" (0.9–4.3)
Sep: normal 2.41" (0.9–4.3)
Oct: normal 2.10" (0.9–3.9)
Nov: normal 0.99" (0.1–2.2)
Dec: normal 0.83" (0.2–1.7)
Baseline 1991–2020 · Source: Open-Meteo12:06 AM
Your History · Elm River at Westport, SD
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Weather Conditions
WEATHER CONDITIONS
TODAY
81°
64°
SUN
80°
63°
MON
90°
67°
TUE
84°
59°
WED
91°
61°
THU
83°
61°
FRI
90°
61°
FISH INDEX
Temperature
Warm
Wind
Moderate
Pressure
Stable
Moon Phase
Average
DAYLIGHT
SUNRISE
05:46 AM
SUNSET
09:27 PM
15H 41M OF DAYLIGHT19H 58M REMAINING
MOON PHASE
Waxing Gibbous
96% illuminated
Station Location
45.6560, -98.4975Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-06-28 01:29 UTC
Site #06471500·USGS
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