The Munising plate. Relief from Copernicus GLO-30; rivers and lakes from USGS NHD; watersheds from the USGS Watershed Boundary Dataset; roads and city limits from Census TIGER 2024.
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70° on Nov. 11, 2016, the hottest reading for this week of the year since 1987. Next is 64° in 1990.
Munising’s center stands about 610 ft above sea level. Within three miles the land runs from 590 ft to 1,010 ft, a difference of 420 ft: hilly country.
The section below crosses 3 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 40×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone. Age: Cambrian, 487 to 497 million years old. About 11 mi of the line.
Dolostone. Age: Early Ordovician, 471 to 487 million years old. About 11 mi of the line.
Sandstone. Age: Cambrian, 487 to 497 million years old. About 2 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR; rock from the USGS State Geologic Map Compilation.
Rain that falls on Munising runs straight into Lake Superior. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Munising; river miles along the main stem, rounded.
Munising has a warm-summer humid continental climate. Summer afternoons average 78° in July; winter nights fall to about 7° in February. A normal year brings about 164 inches of snow; with the rain, that comes to about 35 inches of water.
On November 14 Munising normally reaches 41° and falls to 26°. The record high is 60°, in 1999; the record low 11°, in 2018. The most rain on this date, 0.63 in, fell in 2000.
Normals 1991–2020 and records since 1987 at Chatham Experiment Farm 2, 14 miles west-southwest, 260 ft higher. NOAA, through RCC-ACIS.
