The Sunlit Hills 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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74° on Nov. 11, 1999, the hottest reading for this week of the year since 1972. Next is 73° in 2005.
Sunlit Hills’s center stands about 7,050 ft above sea level. Within three miles the land runs from 6,640 ft to 8,030 ft, a difference of 1,390 ft: steep hill country. The highest named summit within 15 miles is Thompson Peak, about 10,550 ft, 9 miles northeast.
Under the town center the state geologic map shows Mesoproterozoic and Paleoproterozoic plutonic rocks, undivided, from the Paleoproterozoic to Mesoproterozoic, 1 to 2.5 billion years old.
The section below crosses 3 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.
Conglomerate-sandstone, coarse-detrital, fine-detrital. Age: Late Miocene to Pleistocene, 0.1 to 7.2 million years old. About 12 mi of the line.
Plutonic. Age: Paleoproterozoic to Mesoproterozoic, 1 to 2.5 billion years old. About 11 mi of the line.
Pelitic-schist, muscovite-schist, quartzite. Age: Paleoproterozoic, 1.6 to 2.5 billion 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.
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 Sunlit Hills reaches the Gulf of America by way of Gallina Arroyo, San Marcos Arroyo, Galisteo Creek and the Rio Grande: about 1,630 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 Sunlit Hills; river miles along the main stem, rounded.
Sunlit Hills has a cold semi-arid climate. Summer afternoons average 86° in July; winter nights fall to about 18° in January. A normal year brings about 20 inches of snow; with the rain, that comes to about 13 inches of water.
On November 14 Sunlit Hills normally reaches 54° and falls to 25°. The record high is 73°, in 1999; the record low 15°, in 1976. The most rain on this date, 0.70 in, fell in 1997.
Normals 1991–2020 and records since 1972 at Santa Fe 2, 4 miles northwest, 290 ft lower. NOAA, through RCC-ACIS.
