The Middleberg 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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90° on Nov. 16, 2025, the hottest reading for this week of the year since 1953. Next is 84° in 1999.
Middleberg’s center stands about 1,310 ft above sea level. Within three miles the land runs from 1,160 ft to 1,380 ft, a difference of 220 ft: rolling country.
Under the town center the state geologic map shows Chickasha Formation (conglomerate, shale, siltstone), from the Permian, 252 to 299 million years old.
The section below crosses 4 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 53×. 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, shale, siltstone. Age: Permian, 252 to 299 million years old. About 10 mi of the line.
Sandstone, conglomerate. Age: Permian, 252 to 299 million years old. About 10 mi of the line.
Black-shale. Age: Late Devonian, 359 to 384 million years old. About 3 mi of the line.
Coarse-detrital, fine-detrital. Age: Pleistocene, less than 2.6 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 Middleberg reaches the Gulf of America by way of West Winter Creek, Winter Creek, the Washita, the Red River, the Atchafalaya and the Lower Atchafalaya: about 1,040 river miles.
680 miles of the trip are on the Red River.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Middleberg; river miles along the main stem, rounded.
Middleberg has a humid subtropical climate. Summer afternoons average 97° in July; winter nights fall to about 27° in January. About 37 inches of rain fall in a normal year, with about 5 inches of snow.
On November 14 Middleberg normally reaches 65° and falls to 39°. The record high is 83°, in 2025; the record low 17°, in 1959. The most rain on this date, 0.74 in, fell in 1993.
Normals 1991–2020 and records since 1953 at Chickasha Experiment Station, 11 miles west-southwest, 220 ft lower. NOAA, through RCC-ACIS.
