The Oakley 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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−6° on Nov. 17, 2000, the coldest reading for this week of the year since 1992. Next is 3° in 1997.
Oakley’s center stands about 7,150 ft above sea level. Within three miles the land runs from 6,390 ft to 8,520 ft, a difference of 2,130 ft: mountain country. The highest named summit within 15 miles is Holiday, about 10,380 ft, 12 miles east.
Under the town center the state geologic map shows Landslides (unconsolidated), from the Pleistocene to Holocene, less than 2.6 million years old.
The section below crosses 14 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. Age: Late Cretaceous, 87 to 94 million years old. About 4 mi of the line.
Arenite. Age: Mesoproterozoic to Neoproterozoic, 542 to 1,600 million years old. About 3 mi of the line.
Unconsolidated. Age: Pleistocene to Holocene, less than 2.6 million years old. About 2 mi of the line.
Andesite. Age: Late Eocene to Oligocene, 23 to 38 million years old. About 2 mi of the line.
Unconsolidated. Age: Pleistocene, less than 2.6 million years old. About 2 mi of the line.
Unconsolidated. Age: Quaternary, less than 2.6 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. 8 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 Oakley reaches Great Salt Lake by way of 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 Oakley; river miles along the main stem, rounded.
Oakley has a warm-summer humid continental climate. Summer afternoons average 80° in July; winter nights fall to about 16° in January. About 22 inches of rain fall in a normal year.
Normals 1991–2020 and records since 1992 at Park City, 13 miles west-southwest, 250 ft lower. NOAA, through RCC-ACIS.
