The New Berlin 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. 14, 1971, the hottest reading for this week of the year since 1948. Next is 70° in 2025.
New Berlin’s center stands about 920 ft above sea level. Within three miles the land runs from 750 ft to 980 ft, a difference of 230 ft: rolling country. The highest named summit within 15 miles is Lapham Hill, about 1,250 ft, 15 miles west-northwest.
Under the town center the state geologic map shows Silurian, undivided (dolostone), from the Silurian, 422 to 445 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 46×. 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: Silurian, 422 to 445 million years old. About 21 mi of the line.
Shale, dolostone. Age: Ordovician, 445 to 487 million years old. About 2 mi of the line.
Limestone, shale. Age: Middle Devonian, 384 to 394 million years old. About 0.9 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.
New Berlin straddles the St. Lawrence Divide. Rain on the southeast side runs to Lake Michigan; most of the rest goes to the Gulf of America.
From the center of town, a raindrop reaches the Gulf of America by way of Poplar Creek, the Fox River, the Illinois and the Mississippi: about 1,620 river miles. One that lands on the southeast side reaches Lake Michigan by way of the Root: about 40 river miles. From there it moves on through the Great Lakes, over Niagara Falls and down the St. Lawrence to the Atlantic.
Lakes on the way: Peoria Lake and Fox Lake.
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 New Berlin; river miles along the main stem, rounded.
New Berlin has a hot-summer humid continental climate. Summer afternoons average 85° in July; winter nights fall to about 15° in January. A normal year brings about 52 inches of snow; with the rain, that comes to about 39 inches of water.
On November 14 New Berlin normally reaches 48° and falls to 31°. The record high is 71°, in 1971; the record low 12°, in 1959. The most rain on this date, 1.02 in, fell in 1957.
Normals 1991–2020 and records since 1948 at West Allis, 5 miles east-northeast, 150 ft lower. NOAA, through RCC-ACIS.
