The Osgood 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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6° on Nov. 13, 2019, the coldest reading for this week of the year since 1938. Next is 8° in 1959.
Osgood’s center stands about 990 ft above sea level. Within three miles the land runs from 860 ft to 1,040 ft, a difference of 180 ft: gently rolling country.
Under the town center the state geologic map shows Louisville Limestone through Brassfield Limestone, from the Silurian, 422 to 445 million years old.
The section below crosses 4 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. Age: Silurian, 422 to 445 million years old. About 12 mi of the line.
Limestone, shale. Age: Ordovician, 445 to 487 million years old. About 8 mi of the line.
Limestone, shale. Age: Ordovician, 445 to 487 million years old. About 4 mi of the line.
Limestone, dolostone. Age: Devonian, 359 to 422 million years old. About 0.3 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 Osgood reaches the Gulf of America by way of Plum Creek, Laughery Creek, the Ohio and the Mississippi: about 1,500 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 Osgood; river miles along the main stem, rounded.
Osgood has a hot-summer humid continental climate. Summer afternoons average 86° in July; winter nights fall to about 23° in January. A normal year brings about 17 inches of snow; with the rain, that comes to about 49 inches of water.
On November 14 Osgood normally reaches 56° and falls to 36°. The record high is 75°, in 1971; the record low 10°, in 1986. The most rain on this date, 1.80 in, fell in 1957.
Normals 1991–2020 and records since 1938 at North Vernon 2 ESE, 19 miles west-southwest, 270 ft lower. NOAA, through RCC-ACIS.
