The Ojibwa 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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−16° on Nov. 15, 2014, the coldest reading for this week of the year since 1948. Next is −9° in 1966.
Ojibwa’s center stands about 1,260 ft above sea level. Within three miles the land runs from 1,240 ft to 1,490 ft, a difference of 250 ft: rolling country.
Under the town center the state geologic map shows Mafic metavolcanic rocks (basalt, basaltic-andesite), from the Paleoproterozoic, 1.6 to 2.5 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 50×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Granite, tonalite, gneiss. Age: Paleoproterozoic, 1.8 to 1.9 billion years old. About 11 mi of the line.
Basalt, basaltic-andesite. Age: Paleoproterozoic, 1.6 to 2.5 billion years old. About 9 mi of the line.
Quartzite. Age: Paleoproterozoic, 1.6 to 2.5 billion years old. About 5 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 Ojibwa reaches the Gulf of America by way of Crazy Horse Creek, the Chippewa and the Mississippi: about 1,910 river miles.
Lakes on the way: Lake Wissota and Holcombe Flowage.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Ojibwa; river miles along the main stem, rounded.
Ojibwa has a warm-summer humid continental climate. Summer afternoons average 79° in July; winter nights fall to about 2° in January. A normal year brings about 67 inches of snow; with the rain, that comes to about 40 inches of water.
On November 14 Ojibwa normally reaches 40° and falls to 23°. The record high is 65°, in 1953; the record low −6°, in 1996. The most rain on this date, 1.01 in, fell in 2010.
Normals 1991–2020 and records since 1948 at Couderay 7 W, 17 miles west. NOAA, through RCC-ACIS.
