The Casey 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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69° on Nov. 17, 1953, the hottest reading for this week of the year since 1894. Next is 68° in 1999.
Casey’s center stands about 1,020 ft above sea level. Within three miles the land runs from 990 ft to 1,170 ft, a difference of 180 ft: gently rolling country. The highest named summit within 15 miles is Crystal Mountain, about 1,290 ft, 12 miles southeast.
Under the town center the state geologic map shows Chengwatana Volcanic Group (basalt), from the Mesoproterozoic, 1 to 1.6 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 60×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone. Age: Cambrian, 487 to 542 million years old. About 10 mi of the line.
Sandstone, conglomerate. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 7 mi of the line.
Basalt. Age: Mesoproterozoic, 1 to 1.6 billion years old. About 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 Casey reaches the Gulf of America by way of Casey Creek, the Namekagon, the Saint Croix and the Mississippi: about 1,950 river miles.
Lakes on the way: Lake Pepin and Lake Mallalieu 175.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Casey; river miles along the main stem, rounded.
Casey has a warm-summer humid continental climate. Summer afternoons average 80° in July; winter nights fall to about 1° in January. A normal year brings about 56 inches of snow; with the rain, that comes to about 32 inches of water.
On November 14 Casey normally reaches 40° and falls to 24°. The record high is 67°, in 1999; the record low −5°, in 1959. The most rain on this date, 0.88 in, fell in 2010.
Normals 1991–2020 and records since 1894 at Spooner Ag Research Station, 10 miles south-southeast. NOAA, through RCC-ACIS.
