The Danville 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, 2020, the hottest reading for this week of the year since 1892. Next is 85° in 1958.
Danville’s center stands about 460 ft above sea level. Within three miles the land runs from 340 ft to 500 ft, a difference of 160 ft: gently rolling country.
Under the town center the state geologic map shows Suwannee Limestone and its residuum, from the Oligocene, 23 to 34 million years old.
The section below crosses 5 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 63×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Sandstone, claystone. Age: Tertiary Neogene, 2.6 to 23 million years old. About 10 mi of the line.
Sand. Age: Eocene, 34 to 56 million years old. About 6 mi of the line.
Clay. Age: Eocene, 34 to 56 million years old. About 5 mi of the line.
Limestone. Age: Oligocene, 23 to 34 million years old. About 3 mi of the line.
Sand, clay. Age: Cretaceous to Tertiary, 2.6 to 145 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 Danville reaches the Atlantic Ocean by way of Devils Branch, Turkey Creek, the Oconee and the Altamaha: about 220 river miles.
130 miles of the trip are on the Altamaha.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Danville; river miles along the main stem, rounded.
Danville has a humid subtropical climate. Summer afternoons average 94° in July; winter nights fall to about 36° in January. About 47 inches of rain fall in a normal year.
On November 14 Danville normally reaches 70° and falls to 42°. The record high is 83°, in 1955; the record low 21°, in 2013. The most rain on this date, 1.40 in, fell in 1957.
Normals 1991–2020 and records since 1892 from the Macon Area threaded record (Macon Middle Ga Regional Airport, 24 miles west-northwest, 120 ft lower). NOAA, through RCC-ACIS.
