The Middletown 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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9° on Nov. 14, 1986, the coldest reading for this week of the year since 1912. Next is 11° in 1933.
Middletown’s center stands about 730 ft above sea level. Within three miles the land runs from 550 ft to 830 ft, a difference of 280 ft: rolling country. The highest named summit within 15 miles is Pinnacle, about 2,850 ft, 12 miles northwest.
Under the town center the state geologic map shows Edinburg Formation, Lincolnshire and New Market Limestones, from the Ordovician, 445 to 487 million years old.
The section below crosses 16 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 9×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale. Age: Ordovician, 445 to 487 million years old. About 6 mi of the line.
Dolostone, limestone. Age: Ordovician, 445 to 487 million years old. About 4 mi of the line.
Shale, sandstone. Age: Devonian, 359 to 422 million years old. About 2 mi of the line.
Limestone. Age: Cambrian to Ordovician, 445 to 542 million years old. About 2 mi of the line.
Shale, sandstone. Age: Devonian, 359 to 422 million years old. About 2 mi of the line.
Dolostone, limestone. Age: Cambrian, 487 to 542 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. 10 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 Middletown reaches Chesapeake Bay and the Atlantic Ocean by way of Meadow Brook, Cedar Creek, the North Fork Shenandoah, the Shenandoah and the Potomac: about 240 river miles.
180 miles of the trip are on the Potomac.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Middletown; river miles along the main stem, rounded.
Middletown has a hot-summer humid continental climate. Summer afternoons average 87° in July; winter nights fall to about 21° in January. About 40 inches of rain fall in a normal year.
On November 14 Middletown normally reaches 57° and falls to 32°. The record high is 76°, in 1958; the record low 9°, in 1986. The most rain on this date, 1.39 in, fell in 1972.
Normals 1991–2020 and records since 1912 at Winchester 7 SE, 9 miles northeast. NOAA, through RCC-ACIS.
