MEDIAN FLOW RATE · 30 DAY
274cfs 28.2% vs avg
Optimal band: 100–136 cfs
PERIOD HIGH
1,093cfs
PERIOD LOW
34cfs
RUNNABLE
16%
last 30 day in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
25.6in
≈ normal
25.62 in of precipitation so far this year — about average for this point in the season (normal 22.85 in).
YTD Total
25.6in
This year so far
Normal to Date
22.9in
30-yr average
Typical Range
17.9–28.0in
10th–90th pct YTD
Departure
+12%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.78" · normal 3.34" (1.5–4.9)
Feb: 0.97" · normal 2.63" (1.8–3.6)
Mar: 5.50" · normal 3.44" (1.9–5.1)
Apr: 5.16" · normal 4.26" (2.7–6.2)
May: 5.48" · normal 4.15" (2.2–6.6)
Jun: 3.40" · normal 4.22" (2.2–6.2)
Jul: 2.33" (so far)· normal 3.79" (2.1–5.9)
Aug: normal 3.58" (2.2–4.8)
Sep: normal 3.22" (1.5–5.8)
Oct: normal 3.29" (2.0–4.7)
Nov: normal 3.44" (1.8–5.1)
Dec: normal 3.33" (2.1–4.8)
Baseline 1991–2020 · Source: Open-Meteo10:34 PM
Your History · Vermilion River near Vermilion OH
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Station Location
41.3820, -82.3168Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-08 00:00 UTC
Site #04199500·USGS
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