The Indian Wells 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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25° on Nov. 11, 1950, the coldest reading for this week of the year since 1894. Next is 25° in 1958.
Indian Wells’s center stands about 100 ft above sea level. Within three miles the land runs from 30 ft to 1,430 ft, a difference of 1,400 ft: steep hill country. The highest named summit within 15 miles is Martinez Mountain, about 6,500 ft, 11 miles south.
Under the town center the state geologic map shows Quaternary sand deposits, unit 2 (inland), from the Quaternary, less than 2.6 million years old.
The section below crosses 7 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. Age: Pleistocene to Holocene, less than 2.6 million years old. About 6 mi of the line.
Plutonic, gneiss. Age: Paleoproterozoic to Late Cretaceous, 66 to 2,500 million years old. About 6 mi of the line.
Tonalite. Age: Middle Jurassic to Late Cretaceous, 66 to 175 million years old. About 4 mi of the line.
Sand. Age: Quaternary, less than 2.6 million years old. About 2 mi of the line.
Gneiss. Age: Paleoproterozoic to Miocene, 5.3 to 2,500 million years old. About 2 mi of the line.
Sandstone, conglomerate. Age: Miocene to Pleistocene, less than 23 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. 1 smaller unit 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.
Indian Wells has a hot desert climate. Summer afternoons average 106° in July; winter nights fall to about 45° in December. About 3 inches of rain fall in a normal year.
On November 14 Indian Wells normally reaches 79° and falls to 53°. The record high is 95°, in 1967; the record low 32°, in 1932. The most rain on this date, 0.25 in, fell in 1918.
Normals 1991–2020 and records since 1894 at Indio Fire Station, 5 miles east, 120 ft lower. NOAA, through RCC-ACIS.
