The Kamas 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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73° on Nov. 15, 1999, the hottest reading for this week of the year since 1948. Next is 69° in 1973.
Kamas’s center stands about 6,480 ft above sea level. Within three miles the land runs from 6,310 ft to 8,630 ft, a difference of 2,320 ft: mountain country. The highest named summit within 15 miles is Holiday, about 10,380 ft, 15 miles east-northeast.
Under the town center the state geologic map shows Alluvium and colluvium (unconsolidated), from the Quaternary, less than 2.6 million years old.
The section below crosses 5 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.
Unconsolidated. Age: Quaternary, less than 2.6 million years old. About 7 mi of the line.
Arenite. Age: Middle Pennsylvanian to Permian, 290 to 315 million years old. About 7 mi of the line.
Andesite. Age: Late Eocene to Oligocene, 23 to 38 million years old. About 7 mi of the line.
Dolostone. Age: Early Pennsylvanian to Middle Pennsylvanian, 307 to 324 million years old. About 3 mi of the line.
Shale. Age: Middle Mississippian to Late Mississippian, 324 to 347 million 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.
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 Kamas reaches Great Salt Lake by way of Beaver Creek and the Weber: about 100 river miles. Great Salt Lake has no outlet to the sea: the water leaves only by evaporating or soaking into the ground.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Kamas; river miles along the main stem, rounded.
Kamas has a warm-summer humid continental climate. Summer afternoons average 85° in July; winter nights fall to about 15° in January. A normal year brings about 97 inches of snow; with the rain, that comes to about 17 inches of water.
On November 14 Kamas normally reaches 45° and falls to 23°. The record high is 68°, in 1999; the record low 2°, in 1982. The most rain on this date, 0.98 in, fell in 2006.
Normals 1991–2020 and records since 1948 at Kamas, here. NOAA, through RCC-ACIS.
