The Barnsdall 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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86° on Nov. 11, 1989, the hottest reading for this week of the year since 1920. Next is 85° in 1999.
Barnsdall’s center stands about 730 ft above sea level. Within three miles the land runs from 710 ft to 950 ft, a difference of 240 ft: rolling country. The highest named summit within 15 miles is Wooster Mound, about 1,040 ft, 9 miles west-northwest.
Under the town center the state geologic map shows Alluvium (fine-detrital), from the Holocene, less than 12,000 years old.
The section below crosses 6 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 52×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Shale, sandstone. Age: Carboniferous, 299 to 324 million years old. About 8 mi of the line.
Shale, sandstone, limestone. Age: Carboniferous, 299 to 324 million years old. About 8 mi of the line.
Sandstone, shale. Age: Carboniferous, 299 to 324 million years old. About 3 mi of the line.
Sandstone, shale. Age: Carboniferous, 299 to 324 million years old. About 3 mi of the line.
Fine-detrital. Age: Holocene, less than 12,000 years old. About 2 mi of the line.
Sandstone, shale. Age: Carboniferous, 299 to 324 million years old. About 0.6 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 Barnsdall reaches the Gulf of America by way of Bird Creek, the Verdigris, the Arkansas and the Mississippi: about 1,120 river miles.
Lakes on the way: Murray Lake and Ozark Lake.
600 miles of the trip are on the Mississippi.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Barnsdall; river miles along the main stem, rounded.
Barnsdall has a humid subtropical climate. Summer afternoons average 93° in July; winter nights fall to about 22° in January. A normal year brings about 8 inches of snow; with the rain, that comes to about 40 inches of water.
On November 14 Barnsdall normally reaches 61° and falls to 35°. The record high is 80°, in 1988; the record low 12°, in 2018. The most rain on this date, 2.24 in, fell in 1985.
Normals 1991–2020 and records since 1920 at Bartlesville Municipal Airport, 16 miles north-northeast. NOAA, through RCC-ACIS.
