The Argyle 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° on Nov. 15, 1959, the coldest reading for this week of the year since 1901. Next is −1° in 2019.
Argyle’s center stands about 830 ft above sea level. Within three miles the land runs from 790 ft to 1,020 ft, a difference of 230 ft: rolling country.
Under the town center the state geologic map shows Ancell Group (sandstone), from the Ordovician, 445 to 487 million years old.
The section below crosses 2 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 54×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Dolostone. Age: Ordovician, 445 to 487 million years old. About 12 mi of the line.
Sandstone. Age: Ordovician, 445 to 487 million years old. About 12 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 Argyle reaches the Gulf of America by way of the East Branch Pecatonica, the Pecatonica, the Rock River and the Mississippi: about 1,730 river miles.
1,450 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Argyle; river miles along the main stem, rounded.
Argyle has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 9° in January. A normal year brings about 36 inches of snow; with the rain, that comes to about 38 inches of water.
On November 14 Argyle normally reaches 46° and falls to 26°. The record high is 71°, in 1971; the record low 0°, in 1916. The most rain on this date, 0.82 in, fell in 1926.
Normals 1991–2020 and records since 1901 at Darlington Wwtp, 12 miles west. NOAA, through RCC-ACIS.
