The Wineglass 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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−11° on Nov. 13, 2014, the coldest reading for this week of the year since 1951. Next is −9° in 1986.
Wineglass’s center stands about 5,090 ft above sea level. Within three miles the land runs from 4,520 ft to 7,810 ft, a difference of 3,290 ft: mountain country. The highest named summit within 15 miles is Black Mountain, about 10,850 ft, 13 miles southeast.
Under the town center the state geologic map shows Cody and Frontier Formations (sandstone, shale), from the Late Cretaceous, 84 to 100 million years old.
The section below crosses 16 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 4×. 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, shale, siltstone. Age: Late Cretaceous to Middle Paleocene, 59 to 72 million years old. About 7 mi of the line.
Gneiss, amphibolite. Age: Archean. About 3 mi of the line.
Limestone, dolostone, black-shale. Age: Early Mississippian to Middle Mississippian, 331 to 359 million years old. About 3 mi of the line.
Sandstone, siltstone. Age: Late Cretaceous, 66 to 84 million years old. About 2 mi of the line.
Quartzite, amphibolite. Age: Archean. About 2 mi of the line.
Claystone. Age: Late Cretaceous, 66 to 84 million years old. About 2 mi of the line.
From the USGS State Geologic Map Compilation (Horton and others, 2017), the states’ geologic maps joined at a common scale. 10 smaller units 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 Wineglass reaches the Gulf of America by way of Billman Creek, the Yellowstone, the Missouri and the Mississippi: about 3,240 river miles.
Lakes on the way: Lake Oahe, Lake Sakakawea, Lake Sharpe and Lake Francis Case.
1,170 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Wineglass; river miles along the main stem, rounded.
Wineglass has a warm-summer humid continental climate. Summer afternoons average 82° in July; winter nights fall to about 20° in January. A normal year brings about 63 inches of snow; with the rain, that comes to about 16 inches of water.
On November 14 Wineglass normally reaches 44° and falls to 27°. The record high is 71°, in 1999; the record low 3°, in 2014. The most rain on this date, 0.92 in, fell in 1996.
Normals 1991–2020 and records since 1951 at Livingston 12 S, 10 miles south-southeast. NOAA, through RCC-ACIS.
