The Leicester 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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3.64 inches of rain fell in two days, the most for this week of the year since records began in 1892. The next wettest, 2.98 inches, fell in 1947.
Leicester’s center stands about 970 ft above sea level. Within three miles the land runs from 630 ft to 1,170 ft, a difference of 540 ft: hilly country. The highest named summit within 15 miles is Asnebumskit Hill, about 1,400 ft, 4 miles north.
Under the town center the state geologic map shows Paxton Formation (granofels, schist), from the Neoproterozoic, 542 to 1,000 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 24×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granofels, schist. Age: Neoproterozoic, 542 to 1,000 million years old. About 11 mi of the line.
Schist, gneiss. Age: Neoproterozoic to Ordovician, 445 to 1,000 million years old. About 4 mi of the line.
Slate, phyllite. Age: Silurian to Early Devonian, 394 to 445 million years old. About 2 mi of the line.
Mica-schist. Age: Late Ordovician, 449 to 453 million years old. About 2 mi of the line.
Schist, phyllite. Age: Early Devonian, 394 to 422 million years old. About 1 mi of the line.
Alkali-granite. Age: Neoproterozoic, 596 to 606 million years old. About 0.8 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 Leicester reaches Long Island Sound and the Atlantic Ocean by way of Town Meadow Brook, the French, the Quinebaug, the Shetucket and the Thames: about 85 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Leicester; river miles along the main stem, rounded.
Leicester has a warm-summer humid continental climate. Summer afternoons average 80° in July; winter nights fall to about 17° in January. A normal year brings about 73 inches of snow; with the rain, that comes to about 48 inches of water.
On November 14 Leicester normally reaches 48° and falls to 33°. The record high is 68°, in 1989; the record low 10°, in 1986. The most rain on this date, 1.58 in, fell in 2009.
Normals 1991–2020 and records since 1892 from the Worcester Area threaded record (Worcester Regional Airport, 2 miles northeast). NOAA, through RCC-ACIS.
