The Mansfield 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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4.65 inches of rain fell in two days, the most for this week of the year since records began in 1939. The next wettest, 4.42 inches, fell in 1997.
Mansfield’s center stands about 1,460 ft above sea level. Within three miles the land runs from 1,230 ft to 1,590 ft, a difference of 360 ft: rolling country. The highest named summit within 15 miles is Lead Hill, about 1,760 ft, 3 miles west.
Under the town center the state geologic map shows Smithville Dolomite, Powell Dolomite, Cotter Dolomite, Jefferson City Dolomite (dolostone), from the Early Ordovician, 471 to 487 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 28×. 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 19 mi of the line.
Limestone. Age: Carboniferous, 324 to 359 million years old. About 2 mi of the line.
Limestone, siltstone. Age: Carboniferous, 324 to 359 million years old. About 2 mi of the line.
Sandstone, chert. Age: Early Ordovician, 471 to 487 million years old. About 0.9 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 Mansfield reaches the Gulf of America by way of Wolf Creek, the Lick Fork Gasconade, the Gasconade, the Missouri and the Mississippi: about 1,540 river miles.
1,170 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Mansfield; river miles along the main stem, rounded.
Mansfield has a humid subtropical climate. Summer afternoons average 87° in July; winter nights fall to about 22° in January. About 46 inches of rain fall in a normal year.
On November 14 Mansfield normally reaches 57° and falls to 35°. The record high is 81°, in 1999; the record low 15°, in 2014. The most rain on this date, 2.69 in, fell in 1993.
Normals 1991–2020 and records since 1939 at Wasola 5 N, 17 miles south, 230 ft lower. NOAA, through RCC-ACIS.
