The Rudolph 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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71° on Nov. 13, 1999, the hottest reading for this week of the year since 1996. Next is 70° in 2001.
Rudolph’s center stands about 1,150 ft above sea level. Within three miles the land runs from 1,060 ft to 1,190 ft, a difference of 130 ft: gently rolling country.
Under the town center the state geologic map shows Milladore Volcanic Complex (metasedimentary, metavolcanic), from the Paleoproterozoic, 1.9 to 1.9 billion 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.
Metasedimentary, metavolcanic. Age: Paleoproterozoic, 1.9 to 1.9 billion years old. About 14 mi of the line.
Alkali-feldspar-granite. Age: Paleoproterozoic, 1.6 to 2.5 billion years old. About 6 mi of the line.
Gneiss. Age: Mesoarchean to Neoarchean, 2.5 to 2.9 billion years old. About 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 Rudolph reaches the Gulf of America by way of the Wisconsin and the Mississippi: about 1,820 river miles.
Lakes on the way: Petenwell Lake and Lake Wisconsin.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Rudolph; river miles along the main stem, rounded.
Rudolph has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 8° in January. About 31 inches of rain fall in a normal year.
Normals 1991–2020 and records since 1996 at Wisconsin Rapids Alexander Field, 10 miles south, 140 ft lower. NOAA, through RCC-ACIS.
