The Doerun 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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91° on Nov. 12, 2003, the hottest reading for this week of the year since 1911. Next is 88° in 1938.
Doerun’s center stands about 380 ft above sea level. Within three miles the land runs from 320 ft to 410 ft, a difference of 90 ft: gently rolling country.
Under the town center the state geologic map shows Neogene undifferentiated (sandstone, claystone), from the Tertiary Neogene, 2.6 to 23 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.
Clay, sand, gravel. Age: Tertiary Neogene, 2.6 to 23 million years old. About 12 mi of the line.
Limestone. Age: Oligocene, 23 to 34 million years old. About 7 mi of the line.
Sandstone, claystone. Age: Tertiary Neogene, 2.6 to 23 million years old. About 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 Doerun reaches the Gulf of America by way of the Ochlockonee: about 190 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Doerun; river miles along the main stem, rounded.
Doerun has a humid subtropical climate. Summer afternoons average 90° in July; winter nights fall to about 39° in January. About 50 inches of rain fall in a normal year.
On November 14 Doerun normally reaches 69° and falls to 47°. The record high is 88°, in 1938; the record low 27°, in 1968. The most rain on this date, 2.68 in, fell in 2018.
Normals 1991–2020 and records since 1911 at Moultrie 2 ESE, 14 miles southeast. NOAA, through RCC-ACIS.
