The Readsboro 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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73° on Nov. 11, 2020, the hottest reading for this week of the year since 1987. Next is 73° in 2022.
Readsboro’s center stands about 1,250 ft above sea level. Within three miles the land runs from 1,120 ft to 2,480 ft, a difference of 1,360 ft: steep hill country. The highest named summit within 15 miles is Mount Snow, about 3,600 ft, 13 miles north.
The section below crosses 14 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.
Granofels. Age: Neoproterozoic to Early Cambrian, 521 to 1,000 million years old. About 6 mi of the line.
Gneiss. Age: Mesoproterozoic, 1.2 to 1.6 billion years old. About 4 mi of the line.
Quartz-feldspar-schist. Age: Neoproterozoic to Early Cambrian, 521 to 1,000 million years old. About 3 mi of the line.
Paragneiss. Age: Neoproterozoic, 938 to 969 million years old. About 3 mi of the line.
Marble. Age: Early Cambrian, 521 to 542 million years old. About 2 mi of the line.
Schist, granofels. Age: Neoproterozoic to Early Cambrian, 521 to 1,000 million years old. About 1 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 8 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 Readsboro reaches Long Island Sound and the Atlantic Ocean by way of the West Branch Deerfield, the Deerfield and the Connecticut: about 170 river miles.
120 miles of the trip are on the Connecticut.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Readsboro; river miles along the main stem, rounded.
Readsboro has a warm-summer humid continental climate. Summer afternoons average 81° in July; winter nights fall to about 14° in January. About 42 inches of rain fall in a normal year.
On November 14 Readsboro normally reaches 49° and falls to 30°. The record high is 63°, in 2011; the record low 16°, in 2019. The most rain on this date, 0.65 in, fell in 2000.
Normals 1991–2020 and records since 1987 at North Adams Harriman Airport, 12 miles west-southwest, 600 ft lower. NOAA, through RCC-ACIS.
