Rock Creek At Tiffin flow report
As of July 13, 2026, Rock Creek At Tiffin is flowing at 26 cfs with a gage height of 3.93 ft, rising 703% over the past 24 hours. Source: USGS gauge #04197170, refreshed throughout the day.
Historical Data
Rock Creek At Tiffin at a glance
How Rock Creek At Tiffin is running right now, where it sits on the map, and the key gauge stats.
Rock Creek At Tiffin is flowing at 26 cfs, with the water sitting 3.93 ft at the gage. Flow is up 703% since yesterday — a rising hydrograph.
This is USGS gauge #04197170 in Ohio. Over the past 10 days the average has been 6 cfs, peaking at 26 cfs.
Over the next 5 days, Rock Creek At Tiffin Oh is expected to recede from today's 26 cfs, toward roughly 11 cfs by 2026-07-18 (likely range 2-54 cfs) -- about normal for the date.
For real-time updates and historical context, see the realtime view or the historical comparison. Browse other gauges in the Ohio flow report.
Streamflow Forecast
Powered by PULSE — Snoflo’s Predictive Unified Learning & Simulation Engine, which learns from how this river has answered every past storm, snowmelt, and dry spell to forecast where it’s headed with a precision generic models can’t match.
How does this compare to past years?
Year-over-year overlay, annual peak discharge, the full distribution of daily flows on record, and the gauge's rating curve.
Weather Forecast
Next 5 days, hour by hour
Temperature line with weather symbols on top, snow + rain accumulation as columns, humidity as a dotted line.
5-day forecast table
Every 3 hours, broken out across temperature, snow, rain, humidity, and wind.
| Time | Condition | Temp (°F) | Snow (in) | Rain (in) | Humidity (%) | Wind (mps) | Wind dir |
|---|---|---|---|---|---|---|---|
| Loading detailed forecast… | |||||||
15-day forecast
Daily temperatures, snow, and rain projected over the next two weeks.
Rock Creek At Tiffin
The primary constituent of the flow is surface runoff from precipitation, which is influenced by land use practices and weather patterns. There are no major tributaries or dams in the area that significantly impact the flow. The hydrology of Rock Creek is influenced by seasonal trends, with peak flows occurring during spring snowmelt and heavy rain events. Interestingly, the stream gauge is located upstream from a wastewater treatment plant, which can impact water quality and flow. The data collected from the Rock Creek Stream Gauge is important for monitoring the health of the local watershed and can inform management decisions.
Nearby streamflow levels
Cross-check Rock Creek At Tiffin's discharge against nearby gauges to spot whether the change here is local or regional.
| Gauge | Streamflow |
|---|---|
| Rock Creek At Tiffin Oh | 26 cfs |
| Sandusky River At Tiffin Oh | 435 cfs |
| Rock Creek Near Republic Oh | 0 cfs |
| Honey Creek At Melmore Oh | 37 cfs |
| Sandusky River Near Fremont Oh | 673 cfs |
| Tymochtee Creek At Crawford Oh | 11 cfs |
Nearby snowpack data
Snowpack at SNOTEL stations near Rock Creek At Tiffin. Spring snowmelt is the dominant driver of streamflow in mountain basins -- a deep snowpack upstream means more runoff later in the season.
| SNOTEL station | Snowpack |
|---|---|
| 1 N Bellevue Cocorahs (Oh-Hr-2) | 0 in |
| Bucyrus | 0 in |
| Bowling Green Wwtp | 0 in |
| Shelby 0.6 Nne | 0 in |
| 3 Ese Huron Cocorahs (Oh-Er-49) | 0 in |
| Huron 3.1 Ese | 0 in |
Plan a trip
Reservoirs, boat launches, river runs, and fishing spots within driving distance of Rock Creek At Tiffin.
Boat launches
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River levels & flood safety
- Read the level before you go
- A river that's runnable at one flow can be deadly at another. Check current discharge and gage height — like the values shown above — against the flood-stage thresholds, and remember levels can spike fast after rain or a dam release.
- Respect cold water
- Snowmelt rivers run cold even in summer. Sudden immersion triggers cold-water shock and saps strength within minutes. Wear a PFD, dress for the water temperature (not the air), and never wade or paddle alone.
- Watch for swiftwater hazards
- Strainers (downed trees), undercut rocks, and low-head dams are the deadliest features on moving water. High, fast, muddy water hides them. If in doubt, scout from shore and portage.
- Mind flash floods & releases
- Narrow canyons can flood from a storm miles upstream, and dam-controlled reaches can rise without warning. Know the forecast, the release schedule, and your exit before you launch.
Track Rock Creek At Tiffin in the Snoflo app
Save this gauge as a favorite, set push alerts when streamflow crosses a threshold (e.g. "alert me when Rock Creek At Tiffin crosses 5,000 cfs"), and Snoflo's iOS app will push the moment USGS reports the crossing.
About Rock Creek At Tiffin
Where does the streamflow data for Rock Creek At Tiffin come from?
Discharge, gage height, and water temperature come directly from the USGS streamflow gauge 04197170. Snoflo refreshes the time series throughout the day. Forecasts come from the NOAA / yr.no feed Snoflo's iOS app uses.
How often is the report updated?
USGS gauges report continuously (typically every 15 minutes). Snoflo pulls fresh values throughout the day — look for the "as of" timestamp on the streamflow hero card.
What's the difference between discharge and gage height?
Discharge (cubic feet per second, or cfs) is the volume of water flowing past the gauge each second. Gage height is how high the water sits at the gauge (feet). They're related by a rating curve specific to each gauge — higher water means more flow, but the exact ratio depends on channel shape.
How is "percent of median" calculated?
Today's discharge is compared to the historical median discharge on this calendar day across the gauge's full record. 100% = right on median; 200% = a very high year; 30% = a drought-level low.
What are flood stages, and is this river safe right now?
Flood stages are NWS-defined gage-height thresholds — Action, Minor, Moderate, Major — marking when nearby roads or floodplains start to be affected. "Safe" depends on your activity and skill: a level that's a fun paddle for an expert can be lethal for a wader. Always check the current level against the thresholds above and the safety links, and when in doubt, stay off the water.
Can I get alerts when Rock Creek At Tiffin rises?
Yes — flow alerts are managed in the Snoflo iOS app. Favorite this gauge, set a streamflow threshold (e.g. "alert me when discharge crosses 5,000 cfs"), and you'll get a push the moment USGS reports the crossing.
Access the free Rock Creek At Tiffin report
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