The Camptonville 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.
Partly cloudy
Showers likely
Showers likely
Chance of showers
Showers likely
Showers likely
Chance of showers
82° on Nov. 13, 1995, the hottest reading for this week of the year since 1908. Next is 75° in 1921.
Camptonville’s center stands about 2,810 ft above sea level. Within three miles the land runs from 1,870 ft to 4,100 ft, a difference of 2,230 ft: mountain country. The highest named summit within 15 miles is Bald Mountain, about 5,790 ft, 12 miles east-northeast.
Under the town center the state geologic map shows Paleozoic marine rocks, undivided, unit 6 (Northwestern Sierra Nevada) (argillite, phyllite), from the Permian to Jurassic, 145 to 299 million years old.
The section below crosses 8 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.
Mafic-volcanic, greenstone. Age: Paleozoic to Mesozoic, 66 to 542 million years old. About 6 mi of the line.
Granodiorite. Age: Permian to Tertiary, 2.6 to 260 million years old. About 6 mi of the line.
Mafic-volcanic. Age: Jurassic, 145 to 202 million years old. About 4 mi of the line.
Argillite, phyllite. Age: Permian to Jurassic, 145 to 299 million years old. About 4 mi of the line.
Schist, gneiss. Age: Paleoproterozoic to Cretaceous, 66 to 2,500 million years old. About 2 mi of the line.
Peridotite, serpentinite. Age: Neoproterozoic to Early Jurassic, 175 to 1,000 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. 2 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 Camptonville reaches San Francisco Bay and the Pacific Ocean by way of Oregon Creek, the Middle Yuba, the Yuba, the Feather and the Sacramento: about 150 river miles.
75 miles of the trip are on the Sacramento.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Camptonville; river miles along the main stem, rounded.
Camptonville has a warm-summer Mediterranean climate. Summer afternoons average 89° in July; winter nights fall to about 29° in December. A normal year brings about 26 inches of snow; with the rain, that comes to about 65 inches of water.
On November 14 Camptonville normally reaches 56° and falls to 33°. The record high is 79°, in 1995; the record low 21°, in 1915. The most rain on this date, 3.10 in, fell in 1952.
Normals 1991–2020 and records since 1908 at Downieville, 14 miles east-northeast, 100 ft higher. NOAA, through RCC-ACIS.
