The Brayton 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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83° on Nov. 13, 1999, the hottest reading for this week of the year since 1893. Next is 75° in 2001.
Brayton’s center stands about 1,260 ft above sea level. Within three miles the land runs from 1,190 ft to 1,420 ft, a difference of 230 ft: rolling country.
Under the town center the state geologic map shows Dakata and Windrow Formations (sandstone, shale), from the Early Cretaceous to Late Cretaceous, 94 to 113 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 61×. 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, shale. Age: Early Cretaceous to Late Cretaceous, 94 to 113 million years old. About 24 mi of the line.
Limestone, shale. Age: Middle Pennsylvanian to Late Pennsylvanian, 299 to 315 million years old. About 0.4 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 Brayton reaches the Gulf of America by way of the East Nishnabotna, the Nishnabotna, the Missouri and the Mississippi: about 1,800 river miles.
1,170 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Brayton; river miles along the main stem, rounded.
Brayton has a hot-summer humid continental climate. Summer afternoons average 86° in July; winter nights fall to about 10° in January. A normal year brings about 27 inches of snow; with the rain, that comes to about 37 inches of water.
On November 14 Brayton normally reaches 50° and falls to 26°. The record high is 72°, in 1990; the record low −5°, in 1940. The most rain on this date, 1.44 in, fell in 2024.
Normals 1991–2020 and records since 1893 at Atlantic 1 NE, 10 miles south-southwest, 110 ft lower. NOAA, through RCC-ACIS.
