The Four Corners 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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Sunny; warmer
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91° on Nov. 14, 2018, the hottest reading for this week of the year since 1948. Next is 90° in 1957.
Four Corners’s center stands about 120 ft above sea level. Within three miles the land runs from 100 ft to 210 ft, a difference of 110 ft: gently rolling country.
Under the town center the state geologic map shows Cypresshead Formation (sand), from the Late Pliocene, 2.6 to 3.6 million 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 64×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sand. Age: Late Pliocene, 2.6 to 3.6 million years old. About 23 mi of the line.
Sand. Age: Late Pliocene to Pleistocene, less than 3.6 million years old. About 0.6 mi of the line.
Sand, clay. Age: Pleistocene to Holocene, less than 2.6 million years old. About 0.3 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.
Four Corners has a humid subtropical climate. Summer afternoons average 94° in July; winter nights fall to about 49° in January. About 51 inches of rain fall in a normal year.
On November 14 Four Corners normally reaches 80° and falls to 58°. The record high is 91°, in 2018; the record low 37°, in 1984. The most rain on this date, 1.47 in, fell in 1954.
Normals 1991–2020 and records since 1948 at Clermont 9 S, 10 miles north-northwest. NOAA, through RCC-ACIS.
