The Davis City 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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80° on Nov. 14, 1999, the hottest reading for this week of the year since 1897. Next is 76° in 2025.
Davis City’s center stands about 950 ft above sea level. Within three miles the land runs from 880 ft to 1,080 ft, a difference of 200 ft: rolling country.
Under the town center the state geologic map shows Bronson Group (limestone, shale), from the Middle Pennsylvanian to Late Pennsylvanian, 299 to 315 million years old.
The section below crosses 5 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 63×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Limestone, shale. Age: Middle Pennsylvanian to Late Pennsylvanian, 299 to 315 million years old. About 11 mi of the line.
Shale, limestone. Age: Middle Pennsylvanian, 307 to 315 million years old. About 7 mi of the line.
Limestone, shale. Age: Late Pennsylvanian, 299 to 307 million years old. About 4 mi of the line.
Shale, siltstone. Age: Middle Pennsylvanian, 307 to 315 million years old. About 1 mi of the line.
Shale, sandstone. Age: Carboniferous, 299 to 324 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.
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 Davis City reaches the Gulf of America by way of the Thompson, the Grand River, the Missouri and the Mississippi: about 1,550 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 Davis City; river miles along the main stem, rounded.
Davis City has a hot-summer humid continental climate. Summer afternoons average 87° in July; winter nights fall to about 14° in January. A normal year brings about 27 inches of snow; with the rain, that comes to about 41 inches of water.
On November 14 Davis City normally reaches 51° and falls to 30°. The record high is 80°, in 1999; the record low 2°, in 1940. The most rain on this date, 1.56 in, fell in 1931.
Normals 1991–2020 and records since 1897 at Lamoni, 6 miles west, 180 ft higher. NOAA, through RCC-ACIS.
