The Oliver 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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4.00 inches of rain fell in two days, the most for this week of the year since records began in 1925. The next wettest, 2.20 inches, fell in 1997.
Oliver’s center stands about 120 ft above sea level. Within three miles the land runs from 80 ft to 180 ft, a difference of 100 ft: gently rolling country.
Under the town center the state geologic map shows Pleistocene-Pliocene sands and gravels (sand, gravel), from the Pliocene to Pleistocene, less than 5.3 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 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.
Sand, gravel. Age: Pliocene to Pleistocene, less than 5.3 million years old. About 10 mi of the line.
Sandstone, claystone. Age: Tertiary Neogene, 2.6 to 23 million years old. About 9 mi of the line.
Fine-detrital. Age: Quaternary, less than 2.6 million years old. About 3 mi of the line.
Sand, gravel. Age: Quaternary, less than 2.6 million years old. About 1 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 Oliver reaches the Atlantic Ocean by way of Ogeechee Creek and the Ogeechee: about 90 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Oliver; river miles along the main stem, rounded.
Oliver has a humid subtropical climate. Summer afternoons average 93° in July; winter nights fall to about 37° in January. About 47 inches of rain fall in a normal year.
On November 14 Oliver normally reaches 70° and falls to 45°. The record high is 85°, in 1958; the record low 27°, in 1977. The most rain on this date, 1.10 in, fell in 1972.
Normals 1991–2020 and records since 1925 at Brooklet 1 W, 13 miles southwest. NOAA, through RCC-ACIS.
