The Chester 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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3.34 inches of rain fell in two days, the most for this week of the year since records began in 1926. The next wettest, 2.40 inches, fell in 1935.
Chester’s center stands about 17 ft above sea level. Within three miles the land runs from 0 ft to 80 ft, a difference of 80 ft: gently rolling country. Open water lies within three miles. The highest named summit within 15 miles is Eagle Hill, about 220 ft, 13 miles northwest.
Under the town center the state geologic map shows Lowland Deposits (fine-detrital, coarse-detrital), from the Pleistocene, less than 2.6 million years old.
The section below crosses 3 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 7 mi of the line.
Gravel, sand. Age: Pleistocene, less than 2.6 million years old. About 3 mi of the line.
Sand, clay. Age: Miocene, 5.3 to 23 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.
Rain that falls on Chester runs straight into Chesapeake Bay and the Atlantic Ocean.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Chester; river miles along the main stem, rounded.
Chester has a humid subtropical climate. Summer afternoons average 87° in July; winter nights fall to about 29° in January. About 47 inches of rain fall in a normal year.
On November 14 Chester normally reaches 56° and falls to 41°. The record high is 73°, in 1959; the record low 24°, in 2019. The most rain on this date, 1.08 in, fell in 1957.
Normals 1991–2020 and records since 1926 at Stevensville 2 SW, 3 miles west. NOAA, through RCC-ACIS.
