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USGS Gauge 04123500 — Manistee River near Grayling, Michigan

Water temperature 53.6 °F. 2.6 °F below the five-year normal for this date. 208 cfs.

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44.69305, -84.84714 · 1120 ft elevation · 136 sq mi drainage. This gauge on USGS Water Data →

Right now

Live from USGS — the numbers above are current rather than whenever the page was written. The normal is the mean of every reading at this gauge within 3 days of this calendar date in the previous years of record — 23 readings, averaging 56.6 °F.

The last thirty days

Water temperature, °F · daily mean
2026-08-20 54.0–61.5 °F 2026-09-18
Streamflow, cfs · daily mean
2026-08-20 197–298 cfs 2026-09-18

Daily means from USGS. A gap in the line is a gap in the record.

The record at this gauge

Month Mean temp Mean flow
Jan 35.9 °F 178
Feb 36.4 °F 173
Mar 40.3 °F 199
Apr 46.5 °F 288
May 54.1 °F 229
Jun 59.7 °F 204
Jul 62.0 °F 196
Aug 59.4 °F 185
Sep 55.8 °F 182
Oct 49.2 °F 182
Nov 41.5 °F 187
Dec 37.1 °F 182

Computed here from the last 5 years of USGS daily values at this gauge — 1,144 temperature days over 5.0 years and 1,061 flow days. These are not USGS-published normals, and a month with fewer than 20 days of record is left blank rather than averaged.

What this gauge predicts

This is one of the gauges this site fits an air-to-water model against, which is how the map colours water that has no gauge on it. July mean 61.92 °F; the fit explains 82% of the variance with a typical error of 1.863 °F.

The water it stands in

Manistee River, classified Cold small river by MDNR VSEC — the nearest reach carrying that classification is 1.98 mi from the gauge.

Snapped to NHD reach Manistee River (60002500011585), 5.3 m away. That join is what lets the app paint this gauge's reading onto the reach it measures.

Other gauges near this one

Access near this gauge

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Open this water on the map →Every reach around it coloured by today's water temperature, with the access points along it.