The Morrill 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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70° on Nov. 11, 2020, the hottest reading for this week of the year since 1976. Next is 68° in 2022.
Morrill’s center stands about 250 ft above sea level. Within three miles the land runs from 190 ft to 550 ft, a difference of 360 ft: rolling country. The highest named summit within 15 miles is Mount Megunticook, about 1,370 ft, 15 miles south-southeast.
The section below crosses 11 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 21×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone, limestone. Age: Ordovician to Devonian, 359 to 487 million years old. About 3 mi of the line.
Slate, schist, quartzite. Age: Middle Ordovician to Late Ordovician, 450 to 470 million years old. About 3 mi of the line.
Slate. Age: Neoproterozoic to Ordovician, 445 to 1,000 million years old. About 3 mi of the line.
Sandstone. Age: Late Ordovician to Silurian, 428 to 459 million years old. About 3 mi of the line.
Metasedimentary, metavolcanic. Age: Neoproterozoic to Ordovician, 445 to 1,000 million years old. About 2 mi of the line.
Felsic-volcanic, mafic-volcanic. Age: Neoproterozoic to Ordovician, 445 to 1,000 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. 5 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 Morrill reaches the Atlantic Ocean by way of the Poland Stream and the Passagassawakeag: about 12 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Morrill; river miles along the main stem, rounded.
Morrill has a warm-summer humid continental climate. Summer afternoons average 77° in July; winter nights fall to about 12° in January. A normal year brings about 69 inches of snow; with the rain, that comes to about 56 inches of water.
On November 14 Morrill normally reaches 47° and falls to 32°. The record high is 65°, in 2010; the record low 8°, in 1986. The most rain on this date, 1.47 in, fell in 2018.
Normals 1991–2020 and records since 1976 at West Rockport 1 NNW, 17 miles south, 110 ft higher. NOAA, through RCC-ACIS.
