The Del Norte 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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−3° on Nov. 16, 1955, the coldest reading for this week of the year since 1893. Next is −3° in 2012.
Del Norte’s center stands about 7,890 ft above sea level. Within three miles the land runs from 7,830 ft to 8,620 ft, a difference of 790 ft: hilly country. The highest named summit within 15 miles is Bennett Peak, about 13,200 ft, 14 miles south-southwest.
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 5×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Andesite. Age: Late Eocene to Early Oligocene, 30 to 35 million years old. About 7 mi of the line.
Volcanic. Age: Oligocene, 23 to 34 million years old. About 7 mi of the line.
Unconsolidated. Age: Quaternary, less than 2.6 million years old. About 6 mi of the line.
Unconsolidated. Age: Tertiary to Quaternary, less than 66 million years old. About 4 mi of the line.
Basalt. Age: Miocene to Pliocene, 2.6 to 23 million years old. About 0.8 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 Del Norte reaches the Gulf of America by way of the Rio Grande: about 1,820 river miles.
Lakes on the way: Paz Ramirez Lake, Amistad Reservoir, Elephant Butte Reservoir and Caballo Reservoir.
760 miles of the trip are on the Rio Grande.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Del Norte; river miles along the main stem, rounded.
Del Norte has a cold semi-arid climate. Summer afternoons average 81° in July; winter nights fall to about 7° in January. A normal year brings about 39 inches of snow; with the rain, that comes to about 10 inches of water.
On November 14 Del Norte normally reaches 49° and falls to 18°. The record high is 65°, in 1999; the record low 0°, in 1940. The most rain on this date, 0.80 in, fell in 1993.
Normals 1991–2020 and records since 1893 at Del Norte 3 ENE, 3 miles east-northeast. NOAA, through RCC-ACIS.
