The Sycamore 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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21° on Nov. 16, 1940, the coldest reading for this week of the year since 1911. Next is 22° in 1969.
Sycamore’s center stands about 390 ft above sea level. Within three miles the land runs from 340 ft to 440 ft, a difference of 100 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 2 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 23 mi of the line.
Limestone. Age: Oligocene, 23 to 34 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 Sycamore reaches the Gulf of America by way of 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 Sycamore; river miles along the main stem, rounded.
Sycamore has a humid subtropical climate. Summer afternoons average 90° in July; winter nights fall to about 37° in January. About 48 inches of rain fall in a normal year.
On November 14 Sycamore normally reaches 68° and falls to 45°. The record high is 84°, in 1931; the record low 22°, in 2019. The most rain on this date, 1.65 in, fell in 1940.
Normals 1991–2020 and records since 1911 at Tifton, 18 miles south-southeast. NOAA, through RCC-ACIS.
