The Driggs 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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68° on Nov. 15, 1999, the hottest reading for this week of the year since 1909. Next is 67° in 1934.
Driggs’s center stands about 6,110 ft above sea level. Within three miles the land runs from 6,000 ft to 6,310 ft, a difference of 310 ft: rolling country. The highest named summit within 15 miles is South Teton, about 12,210 ft, 15 miles east.
Under the town center the state geologic map shows Glacial deposits (coarse-detrital, fine-detrital), from the Pleistocene, less than 2.6 million years old.
The section below crosses 11 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.
Coarse-detrital, fine-detrital. Age: Pleistocene, less than 2.6 million years old. About 5 mi of the line.
Gravel. Age: Quaternary, less than 2.6 million years old. About 4 mi of the line.
Gravel, sand, silt. Age: Quaternary, less than 2.6 million years old. About 4 mi of the line.
Limestone, dolostone. Age: Late Devonian to Carboniferous, 324 to 384 million years old. About 3 mi of the line.
Rhyolite. Age: Pleistocene, 0.6 to 2 million years old. About 3 mi of the line.
Dolostone, limestone. Age: Middle Cambrian to Late Ordovician, 445 to 521 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. 5 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 Driggs reaches the Pacific Ocean by way of Woods Creek, the Teton, the Henrys Fork, the Snake and the Columbia: about 1,240 river miles.
Lakes on the way: American Falls Reservoir, Lake Umatilla, Brownlee Reservoir and Cove Arm Lake.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Driggs; river miles along the main stem, rounded.
Driggs has a warm-summer humid continental climate. Summer afternoons average 79° in July; winter nights fall to about 12° in January. A normal year brings about 113 inches of snow; with the rain, that comes to about 25 inches of water.
On November 14 Driggs normally reaches 39° and falls to 20°. The record high is 66°, in 1999; the record low −13°, in 1916. The most rain on this date, 0.90 in, fell in 1988.
Normals 1991–2020 and records since 1909 at Alta 1 NNW, 5 miles northeast, 330 ft higher. NOAA, through RCC-ACIS.
