The Roseville 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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78° on Nov. 11, 2022, the hottest reading for this week of the year since 1995. Next is 76° in 1999.
Roseville’s center stands about 750 ft above sea level. Within three miles the land runs from 690 ft to 780 ft, a difference of 90 ft: gently rolling country.
Under the town center the state geologic map shows Carbondale Formation (shale, sandstone, coal), from the Middle Pennsylvanian to Late Pennsylvanian, 304 to 315 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.
Shale, sandstone. Age: Early Pennsylvanian to Middle Pennsylvanian, 307 to 324 million years old. About 13 mi of the line.
Shale, sandstone, coal. Age: Middle Pennsylvanian to Late Pennsylvanian, 304 to 315 million years old. About 7 mi of the line.
Limestone. Age: Early Mississippian to Middle Mississippian, 331 to 359 million years old. About 3 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 Roseville reaches the Gulf of America by way of Town Branch, Negro Creek, Swan Creek, Cedar Creek, Fox Creek, the Illinois and the Mississippi: about 1,430 river miles.
1,190 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Roseville; river miles along the main stem, rounded.
Roseville has a hot-summer humid continental climate. Summer afternoons average 84° in July; winter nights fall to about 14° in January. About 39 inches of rain fall in a normal year.
On November 14 Roseville normally reaches 50° and falls to 30°. The record high is 76°, in 1999; the record low 11°, in 2014. The most rain on this date, 0.27 in, fell in 2008.
Normals 1991–2020 and records since 1995 at Monmouth 4 NW, 14 miles north-northwest. NOAA, through RCC-ACIS.
