The Adams 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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Showers likely
73° on Nov. 11, 1949, the hottest reading for this week of the year since 1887. Next is 72° in 2012.
Adams’s center stands about 1,290 ft above sea level. Within three miles the land runs from 1,250 ft to 1,370 ft, a difference of 120 ft: gently rolling country.
Under the town center the state geologic map shows Middle and Upper Devonian (dolostone, limestone, shale), from the Middle Devonian to Late Devonian, 359 to 394 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.
Dolostone, limestone, shale. Age: Middle Devonian to Late Devonian, 359 to 394 million years old. About 21 mi of the line.
Dolostone, limestone, shale. Age: Middle Devonian, 384 to 394 million years old. About 3 mi of the line.
Limestone, dolostone. Age: Middle Devonian to Late Devonian, 374 to 388 million years old. About 0.1 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale.
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 Adams reaches the Gulf of America by way of the Little Cedar, the Cedar River, the Iowa and the Mississippi: about 1,720 river miles.
1,410 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Adams; river miles along the main stem, rounded.
Adams has a warm-summer humid continental climate. Summer afternoons average 79° in July; winter nights fall to about 5° in January. A normal year brings about 51 inches of snow; with the rain, that comes to about 37 inches of water.
On November 14 Adams normally reaches 41° and falls to 24°. The record high is 71°, in 1999; the record low −7°, in 1900. The most rain on this date, 1.00 in, fell in 1902.
Normals 1991–2020 and records since 1887 at Grand Meadow, 12 miles northeast. NOAA, through RCC-ACIS.
