The North 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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83° on Nov. 15, 1993, the hottest reading for this week of the year since 1871. Next is 80° in 1879.
North Springfield’s center stands about 300 ft above sea level. Within three miles the land runs from 160 ft to 390 ft, a difference of 230 ft: rolling country. The highest named summit within 15 miles is Gantt Hill, about 510 ft, 9 miles north.
Under the town center the state geologic map shows Occoquan Granite, from the Cambrian to Ordovician, 445 to 542 million years old.
The section below crosses 13 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 44×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Schist. Age: Neoproterozoic to Cambrian, 487 to 1,000 million years old. About 5 mi of the line.
Gravel, sand. Age: Pliocene, 2.6 to 5.3 million years old. About 3 mi of the line.
Sand. Age: Cretaceous, 66 to 145 million years old. About 3 mi of the line.
Gravel. Age: Tertiary, 2.6 to 66 million years old. About 2 mi of the line.
Granite. Age: Cambrian to Ordovician, 445 to 542 million years old. About 2 mi of the line.
Schist, metagraywacke. Age: Neoproterozoic to Cambrian, 487 to 1,000 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. 7 smaller units 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 North Springfield reaches Chesapeake Bay and the Atlantic Ocean by way of Backlick Run, Cameron Run and the Potomac: about 120 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of North Springfield; river miles along the main stem, rounded.
North Springfield has a humid subtropical climate. Summer afternoons average 90° in July; winter nights fall to about 30° in January. A normal year brings about 14 inches of snow; with the rain, that comes to about 42 inches of water.
On November 14 North Springfield normally reaches 59° and falls to 42°. The record high is 77°, in 1985; the record low 19°, in 1920. The most rain on this date, 1.56 in, fell in 1972.
Normals 1991–2020 and records since 1871 from the Washington Area threaded record (Washington Reagan National Airport, 9 miles east-northeast, 290 ft lower). NOAA, through RCC-ACIS.
