The Davis Junction 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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Chance of showers
3.20 inches of rain fell in two days, the most for this week of the year since records began in 1893. The next wettest, 2.72 inches, fell in 1951.
Davis Junction’s center stands about 790 ft above sea level. Within three miles the land runs from 710 ft to 870 ft, a difference of 160 ft: gently rolling country.
Under the town center the state geologic map shows Platteville Group (dolostone, limestone), from the Late Ordovician, 454 to 459 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.
Sandstone, limestone, dolostone. Age: Middle Ordovician to Late Ordovician, 454 to 468 million years old. About 10 mi of the line.
Dolostone, limestone. Age: Late Ordovician, 454 to 459 million years old. About 8 mi of the line.
Dolostone, limestone. Age: Late Ordovician, 447 to 459 million years old. About 6 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 Junction reaches the Gulf of America by way of the Rock River and the Mississippi: about 1,590 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Davis Junction; river miles along the main stem, rounded.
Davis Junction has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 15° in January. A normal year brings about 37 inches of snow; with the rain, that comes to about 37 inches of water.
On November 14 Davis Junction normally reaches 48° and falls to 31°. The record high is 73°, in 1971; the record low 4°, in 1959. The most rain on this date, 1.19 in, fell in 1926.
Normals 1991–2020 and records since 1893 from the Rockford Area threaded record (Rockford Greater Rockford Airport, 6 miles north). NOAA, through RCC-ACIS.
