The Springfield 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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75° on Nov. 11, 2002, the hottest reading for this week of the year since 1943. Next is 75° in 2020.
Springfield’s center stands about 1,450 ft above sea level. Within three miles the land runs from 1,240 ft to 2,330 ft, a difference of 1,090 ft: steep hill country. The highest named summit within 15 miles is Painter Rock Hill, about 2,950 ft, 10 miles northeast.
The section below crosses 7 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 10×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone. Age: Carboniferous, 299 to 324 million years old. About 8 mi of the line.
Limestone, shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 4 mi of the line.
Sandstone, conglomerate. Age: Carboniferous, 299 to 324 million years old. About 3 mi of the line.
Shale. Age: Carboniferous, 299 to 324 million years old. About 3 mi of the line.
Shale, clastic. Age: Carboniferous, 299 to 324 million years old. About 3 mi of the line.
Shale, siltstone, sandstone. Age: Carboniferous, 324 to 359 million years old. About 2 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 1 smaller unit along the line are not listed.
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 Springfield reaches the Gulf of America by way of Indian Creek, the Youghiogheny, the Monongahela, the Ohio and the Mississippi: about 2,020 river miles.
970 miles of the trip are on the Ohio.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Springfield; river miles along the main stem, rounded.
Springfield has a warm-summer humid continental climate. Summer afternoons average 81° in July; winter nights fall to about 19° in January. About 50 inches of rain fall in a normal year.
On November 14 Springfield normally reaches 51° and falls to 32°. The record high is 69°, in 1989; the record low 8°, in 1986. The most rain on this date, 0.77 in, fell in 1961.
Normals 1991–2020 and records since 1943 at Donegal 2 NW, 10 miles north, 350 ft higher. NOAA, through RCC-ACIS.
