The Rome 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.
Sunny
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Partly cloudy
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Showers likely
−2° on Nov. 17, 2014, the coldest reading for this week of the year since 1942. Next is −2° in 2019.
Rome’s center stands about 1,120 ft above sea level. Within three miles the land runs from 1,100 ft to 1,150 ft, a difference of 50 ft: nearly flat ground.
Under the town center the state geologic map shows Upper Ordovician (limestone, dolostone), from the Late Ordovician, 445 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.
Limestone, dolostone. Age: Late Ordovician, 445 to 459 million years old. About 19 mi of the line.
Dolostone, limestone. Age: Late Ordovician, 447 to 459 million years old. About 4 mi of the line.
Sandstone, shale. Age: Early Cretaceous to Late Cretaceous, 94 to 113 million years old. About 0.8 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 Rome reaches the Gulf of America by way of Coon Creek, the Blue Earth, the Minnesota and the Mississippi: about 2,050 river miles.
Lake on the way: Lake Pepin.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Rome; river miles along the main stem, rounded.
Rome has a hot-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 5° in January. A normal year brings about 40 inches of snow; with the rain, that comes to about 34 inches of water.
On November 14 Rome normally reaches 44° and falls to 25°. The record high is 76°, in 1999; the record low 2°, in 2014. The most rain on this date, 0.49 in, fell in 1991.
Normals 1991–2020 and records since 1942 at Wells, 18 miles northeast. NOAA, through RCC-ACIS.
