The Mountain 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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−4° on Nov. 13, 1986, the coldest reading for this week of the year since 1959. Next is −3° in 1959.
Mountain’s center stands about 980 ft above sea level. Within three miles the land runs from 900 ft to 1,250 ft, a difference of 350 ft: rolling country. The highest named summit within 15 miles is McCaslin Mountain, about 1,640 ft, 15 miles north-northeast.
Under the town center the state geologic map shows Bimodal mafic and felsic metavolcanic rocks (basalt, andesite), from the Paleoproterozoic, 1.9 to 1.9 billion years old.
The section below crosses 5 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 30×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Rhyolite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 8 mi of the line.
Basalt, andesite. Age: Paleoproterozoic, 1.9 to 1.9 billion years old. About 6 mi of the line.
Granite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 4 mi of the line.
Granite. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 4 mi of the line.
Metavolcanic. Age: Paleoproterozoic, 1.6 to 2.5 billion years old. About 3 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.
A raindrop that lands in Mountain reaches Lake Michigan by way of the North Branch Oconto and the Oconto: about 80 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
55 miles of the trip are on the Oconto.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Mountain; river miles along the main stem, rounded.
Mountain has a warm-summer humid continental climate. Summer afternoons average 79° in July; winter nights fall to about 5° in January. A normal year brings about 57 inches of snow; with the rain, that comes to about 32 inches of water.
On November 14 Mountain normally reaches 42° and falls to 25°. The record high is 68°, in 1999; the record low 7°, in 1965. The most rain on this date, 0.52 in, fell in 1994.
Normals 1991–2020 and records since 1959 at Suring, 14 miles south-southeast, 190 ft lower. NOAA, through RCC-ACIS.
