The South Whitley 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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0° on Nov. 11, 2007, the coldest reading for this week of the year since 1948. Next is 3° in 2019.
South Whitley’s center stands about 800 ft above sea level. Within three miles the land runs from 790 ft to 900 ft, a difference of 110 ft: gently rolling country. The highest named summit within 15 miles is Dunham Hill, about 960 ft, 14 miles north-northwest.
Under the town center the state geologic map shows Wabash Formation (limestone, dolostone), from the Silurian, 422 to 445 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 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.
Limestone, dolostone. Age: Devonian, 359 to 422 million years old. About 11 mi of the line.
Limestone, dolostone. Age: Silurian, 422 to 445 million years old. About 8 mi of the line.
Black-shale. Age: Devonian, 359 to 422 million years old. About 6 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 South Whitley reaches the Gulf of America by way of the Eel, the Wabash, Big Bayou, the Wabash River Old Channel, the Old Channel Wabash, the Ohio and the Mississippi: about 1,510 river miles.
970 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of South Whitley; river miles along the main stem, rounded.
South Whitley has a hot-summer humid continental climate. Summer afternoons average 83° in July; winter nights fall to about 16° in January. A normal year brings about 21 inches of snow; with the rain, that comes to about 39 inches of water.
On November 14 South Whitley normally reaches 49° and falls to 32°. The record high is 70°, in 1989; the record low 0°, in 2007. The most rain on this date, 1.78 in, fell in 1978.
Normals 1991–2020 and records since 1948 at Columbia City, 8 miles east-northeast. NOAA, through RCC-ACIS.
