The Sylvester 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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18° on Nov. 15, 1969, the coldest reading for this week of the year since 1892. Next is 22° in 1963.
Sylvester’s center stands about 390 ft above sea level. Within three miles the land runs from 340 ft to 450 ft, a difference of 110 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.
Sandstone, claystone. Age: Tertiary Neogene, 2.6 to 23 million years old. About 21 mi of the line.
Limestone. Age: Oligocene, 23 to 34 million years old. About 3 mi of the line.
Limestone. Age: Eocene, 34 to 56 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 Sylvester reaches the Gulf of America by way of Hog Heaven Branch, Town Creek, Warrior Creek, the Little River, the Withlacoochee and the Suwannee: about 280 river miles.
130 miles of the trip are on the Suwannee.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Sylvester; river miles along the main stem, rounded.
Sylvester has a humid subtropical climate. Summer afternoons average 93° in July; winter nights fall to about 39° in January. About 47 inches of rain fall in a normal year.
On November 14 Sylvester normally reaches 72° and falls to 46°. The record high is 87°, in 1955; the record low 23°, in 1968. The most rain on this date, 2.59 in, fell in 1940.
Normals 1991–2020 and records since 1892 from the Albany Area threaded record (Albany Sw Georgia Regional Airport, 21 miles west, 200 ft lower). NOAA, through RCC-ACIS.
