The Oshkosh 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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72° on Nov. 16, 1953, the hottest reading for this week of the year since 1893. Next is 71° in 2022.
Oshkosh’s center stands about 770 ft above sea level. Within three miles the land runs from 730 ft to 800 ft, a difference of 70 ft: gently rolling country.
Under the town center the state geologic map shows Sinnipee Group (dolostone), from the Ordovician, 445 to 487 million years old.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 64×. 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: Ordovician, 445 to 487 million years old. About 14 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 Oshkosh reaches Lake Michigan by way of the Fox River: about 65 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
Lake on the way: Lake Winnebago 6124.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Oshkosh; river miles along the main stem, rounded.
Oshkosh has a hot-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 10° in January. A normal year brings about 39 inches of snow; with the rain, that comes to about 33 inches of water.
On November 14 Oshkosh normally reaches 45° and falls to 30°. The record high is 68°, in 1999; the record low 3°, in 1916. The most rain on this date, 0.79 in, fell in 1956.
Normals 1991–2020 and records since 1893 at Oshkosh, here. NOAA, through RCC-ACIS.
