The Floyd 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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87° on Nov. 16, 1967, the hottest reading for this week of the year since 1905. Next is 86° in 1966.
Floyd’s center stands about 4,150 ft above sea level. Within three miles the land runs from 4,090 ft to 4,230 ft, a difference of 140 ft: gently rolling country. The highest named summit within 15 miles is Negrohead Butte, about 4,680 ft, 14 miles west.
Under the town center the state geologic map shows Ogallala Formation (sand), from the Middle Miocene to Early Pliocene, 3.6 to 16 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 40×. 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: Middle Miocene to Early Pliocene, 3.6 to 16 million years old. About 16 mi of the line.
Unconsolidated. Age: Pleistocene to Holocene, less than 0.8 million years old. About 9 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.
Floyd has a cold semi-arid climate. Summer afternoons average 93° in June; winter nights fall to about 26° in January. A normal year brings about 8 inches of snow; with the rain, that comes to about 16 inches of water.
On November 14 Floyd normally reaches 64° and falls to 34°. The record high is 82°, in 2025; the record low 0°, in 1916. The most rain on this date, 0.99 in, fell in 1961.
Normals 1991–2020 and records since 1905 at Portales, 13 miles east-southeast, 140 ft lower. NOAA, through RCC-ACIS.
