The Jacobs 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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−9° on Nov. 15, 2014, the coldest reading for this week of the year since 1992. Next is −2° in 2019.
Jacobs’s center stands about 1,540 ft above sea level. Within three miles the land runs from 1,520 ft to 1,680 ft, a difference of 160 ft: gently rolling country. The highest named summit within 15 miles is Mount Whittlesey, about 1,890 ft, 10 miles north-northwest.
Under the town center the state geologic map shows Gneiss and amphibolite (gneiss, amphibolite), from the Neoarchean, 2.5 to 2.8 billion years old.
The section below crosses 7 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 43×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Gneiss, amphibolite. Age: Neoarchean, 2.5 to 2.8 billion years old. About 9 mi of the line.
Basalt. Age: Paleoproterozoic, 1.6 to 2.5 billion years old. About 7 mi of the line.
Granodiorite, granite. Age: Mesoarchean to Neoarchean, 2.6 to 2.9 billion years old. About 3 mi of the line.
Metavolcanic, schist. Age: Neoarchean, 2.5 to 2.8 billion years old. About 2 mi of the line.
Sandstone, siltstone. Age: Paleoproterozoic, 1.6 to 2.5 billion years old. About 2 mi of the line.
Gneiss, amphibolite. Age: Paleoarchean, 3.2 to 3.6 billion years old. About 1 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 1 smaller unit along the line are not listed.
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 Jacobs reaches the Gulf of America by way of Magee Creek, the East Fork Chippewa, the Chippewa and the Mississippi: about 1,980 river miles.
Lakes on the way: Moonshine Lake, Lake Wissota and Holcombe Flowage.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Jacobs; river miles along the main stem, rounded.
Jacobs has a warm-summer humid continental climate. Summer afternoons average 78° in July; winter nights fall to about 2° in January. About 34 inches of rain fall in a normal year.
On November 14 Jacobs normally reaches 38° and falls to 23°. The record high is 64°, in 1999; the record low 0°, in 2018. The most rain on this date, 1.10 in, fell in 2005.
Normals 1991–2020 and records since 1992 at Park Falls Dnr Headquarters, 16 miles south-southeast. NOAA, through RCC-ACIS.
