The Whitewater 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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74° on Nov. 11, 2022, the hottest reading for this week of the year since 1941. Next is 73° in 1971.
Whitewater’s center stands about 820 ft above sea level. Within three miles the land runs from 790 ft to 890 ft, a difference of 100 ft: gently rolling country. The highest named summit within 15 miles is Mount Zion, about 1,080 ft, 13 miles southwest.
Under the town center the state geologic map shows Sinnipee Group (dolostone), from the Ordovician, 445 to 487 million years old.
The section below crosses 4 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.
Dolostone. Age: Ordovician, 445 to 487 million years old. About 18 mi of the line.
Sandstone. Age: Cambrian, 487 to 542 million years old. About 4 mi of the line.
Dolostone. Age: Early Ordovician, 471 to 487 million years old. About 2 mi of the line.
Sandstone. Age: Ordovician, 445 to 487 million years old. About 0.7 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 Whitewater reaches the Gulf of America by way of Whitewater Creek, the Bark, the Rock River and the Mississippi: about 1,680 river miles.
Lake on the way: Lake Koshkonong.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Whitewater; river miles along the main stem, rounded.
Whitewater has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 12° in January. A normal year brings about 34 inches of snow; with the rain, that comes to about 36 inches of water.
On November 14 Whitewater normally reaches 46° and falls to 29°. The record high is 73°, in 1971; the record low 4°, in 1986. The most rain on this date, 0.84 in, fell in 1957.
Normals 1991–2020 and records since 1941 at Whitewater Wwtp, here. NOAA, through RCC-ACIS.
