The Marlboro Meadows 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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81° on Nov. 15, 1993, the hottest reading for this week of the year since 1894. Next is 78° in 1902.
Marlboro Meadows’s center stands about 150 ft above sea level. Within three miles the land runs from 0 ft to 210 ft, a difference of 210 ft: rolling country. The highest named summit within 15 miles is Good Hope Hill, about 300 ft, 14 miles west.
The section below crosses 6 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.
Fine-detrital, coarse-detrital. Age: Pleistocene, less than 2.6 million years old. About 6 mi of the line.
Sand, clay. Age: Miocene, 5.3 to 23 million years old. About 6 mi of the line.
Sand. Age: Paleocene, 56 to 66 million years old. About 6 mi of the line.
Sand. Age: Eocene, 34 to 56 million years old. About 3 mi of the line.
Sand. Age: Cretaceous, 66 to 145 million years old. About 1 mi of the line.
Sand. Age: Cretaceous, 66 to 145 million years old. About 0.5 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 Marlboro Meadows reaches Chesapeake Bay and the Atlantic Ocean by way of the Patuxent: about 50 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Marlboro Meadows; river miles along the main stem, rounded.
Marlboro Meadows has a humid subtropical climate. Summer afternoons average 86° in July; winter nights fall to about 30° in January. About 44 inches of rain fall in a normal year.
On November 14 Marlboro Meadows normally reaches 57° and falls to 43°. The record high is 78°, in 1993; the record low 18°, in 1986. The most rain on this date, 1.96 in, fell in 1972.
Normals 1991–2020 and records since 1894 from the Annapolis Area threaded record (Annapolis United States Naval Academy Asos, 16 miles northeast, 140 ft lower). NOAA, through RCC-ACIS.
