The Morgan 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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74° on Nov. 16, 1953, the hottest reading for this week of the year since 1893. Next is 72° in 2022.
Morgan’s center stands about 790 ft above sea level. Within three miles the land runs from 710 ft to 840 ft, a difference of 130 ft: gently rolling country.
Under the town center the state geologic map shows Prairie du Chien Group (dolostone), from the Early Ordovician, 471 to 487 million years old.
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 51×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Dolostone. Age: Early Ordovician, 471 to 487 million years old. About 17 mi of the line.
Sandstone. Age: Ordovician, 445 to 487 million years old. About 7 mi of the line.
Dolostone. Age: Ordovician, 445 to 487 million years old. About 0.4 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 Morgan reaches Lake Michigan by way of the North Branch Pensaukee and the Pensaukee: about 25 river miles. 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 Morgan; river miles along the main stem, rounded.
Morgan has a warm-summer humid continental climate. Summer afternoons average 81° in July; winter nights fall to about 9° in January. A normal year brings about 52 inches of snow; with the rain, that comes to about 34 inches of water.
On November 14 Morgan normally reaches 45° and falls to 28°. The record high is 68°, in 1999; the record low 0°, in 1986. The most rain on this date, 0.67 in, fell in 1957.
Normals 1991–2020 and records since 1893 at Oconto 4 W, 13 miles east-northeast, 130 ft lower. NOAA, through RCC-ACIS.
