MEDIAN FLOW RATE · 1 YEAR
466cfs 32.5% vs avg
Optimal band: 188–254 cfs
PERIOD HIGH
15,031cfs
PERIOD LOW
18cfs
RUNNABLE
5%
last 1 year in band
Precipitation History
Precipitation · YTD
NormalNear-normal year
2026 to date
23.0in
≈ normal
23.04 in of precipitation so far this year — about average for this point in the season (normal 21.66 in).
YTD Total
23.0in
This year so far
Normal to Date
21.7in
30-yr average
Typical Range
17.8–26.1in
10th–90th pct YTD
Departure
+6%
vs 30-yr normal
By Month
This year
Typical range
Normal
Jan: 2.08" · normal 2.97" (1.3–4.6)
Feb: 1.02" · normal 2.42" (1.6–3.8)
Mar: 4.15" · normal 3.38" (2.0–5.1)
Apr: 5.04" · normal 4.10" (2.4–5.5)
May: 5.54" · normal 4.18" (2.1–6.9)
Jun: 3.98" · normal 3.92" (2.1–5.8)
Jul: 1.24" (so far)· normal 3.36" (1.9–5.4)
Aug: normal 3.24" (1.9–4.5)
Sep: normal 2.73" (1.1–5.3)
Oct: normal 2.89" (1.7–4.5)
Nov: normal 3.05" (1.4–4.6)
Dec: normal 2.91" (1.7–4.2)
Baseline 1991–2020 · Source: Open-Meteo03:32 PM
Your History · Sandusky River at Tiffin OH
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Station Location
41.1142, -83.1797Loading map…
DATA · USGS · NOAA · NWSUPDATED 2026-07-07 00:00 UTC
Site #04197137·USGS
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