The Mayhill 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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−4° on Nov. 15, 1961, the coldest reading for this week of the year since 1895. Next is 5° in 2014.
Mayhill’s center stands about 6,580 ft above sea level. Within three miles the land runs from 6,480 ft to 7,580 ft, a difference of 1,100 ft: steep hill country. The highest named summit within 15 miles is Prestridge Hill, about 8,660 ft, 10 miles west-southwest.
Under the town center the state geologic map shows Yeso Formation (sandstone, carbonate, evaporite), from the Permian, 273 to 290 million years old.
The section below crosses 2 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 7×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Limestone, dolostone. Age: Permian, 260 to 290 million years old. About 21 mi of the line.
Sandstone, carbonate, evaporite. Age: Permian, 273 to 290 million years old. About 3 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 Mayhill reaches the Gulf of America by way of the Rio Peñasco, the Pecos and the Rio Grande: about 1,220 river miles.
Lakes on the way: Paz Ramirez Lake, Amistad Reservoir, Red Bluff Reservoir and Lake McMillan.
410 miles of the trip are on the Pecos.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Mayhill; river miles along the main stem, rounded.
Mayhill has a cold semi-arid climate. Summer afternoons average 86° in June; winter nights fall to about 20° in January. A normal year brings about 13 inches of snow; with the rain, that comes to about 16 inches of water.
On November 14 Mayhill normally reaches 63° and falls to 27°. The record high is 81°, in 1981; the record low 14°, in 1979. The most rain on this date, 0.95 in, fell in 2004.
Normals 1991–2020 and records since 1895 at Elk, 8 miles east-northeast, 650 ft lower. NOAA, through RCC-ACIS.
