The Schleswig 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. 11, 2022, the hottest reading for this week of the year since 1894. Next is 71° in 1953.
Schleswig’s center stands about 890 ft above sea level. Within three miles the land runs from 860 ft to 1,020 ft, a difference of 160 ft: gently rolling country.
Under the town center the state geologic map shows Silurian, undivided (dolostone), from the Silurian, 422 to 445 million years old.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 48×. 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: Silurian, 422 to 445 million years old. About 24 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 Schleswig reaches Lake Michigan by way of the Sheboygan: about 45 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 Schleswig; river miles along the main stem, rounded.
Schleswig has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 10° in January. A normal year brings about 44 inches of snow; with the rain, that comes to about 34 inches of water.
On November 14 Schleswig normally reaches 45° and falls to 29°. The record high is 67°, in 1958; the record low 11°, in 1996. The most rain on this date, 0.88 in, fell in 1957.
Normals 1991–2020 and records since 1894 at Chilton, 11 miles northwest. NOAA, through RCC-ACIS.
