The Silver Lake 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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88° on Nov. 12, 2015, the hottest reading for this week of the year since 1958. Next is 87° in 2002.
Silver Lake’s center stands about 80 ft above sea level. Within three miles the land runs from 50 ft to 120 ft, a difference of 70 ft: gently rolling country. The highest named summit within 15 miles is Sugarloaf Mountain, about 320 ft, 14 miles south-southeast.
Under the town center the state geologic map shows Cypresshead Formation (sand), from the Late Pliocene, 2.6 to 3.6 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.
Sand. Age: Late Pliocene, 2.6 to 3.6 million years old. About 17 mi of the line.
Sand. Age: Holocene, less than 12,000 years old. About 7 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 Silver Lake reaches the St. Johns River and the Atlantic Ocean by way of the Ocklawaha and Trout Creek: about 180 river miles.
Lake on the way: Lake Ocklawaha.
100 miles of the trip are on Trout Creek.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Silver Lake; river miles along the main stem, rounded.
Silver Lake has a humid subtropical climate. Summer afternoons average 92° in August; winter nights fall to about 49° in January. About 44 inches of rain fall in a normal year.
On November 14 Silver Lake normally reaches 77° and falls to 57°. The record high is 87°, in 2018; the record low 33°, in 1963. The most rain on this date, 2.20 in, fell in 1972.
Normals 1991–2020 and records since 1958 from the Leesburg Area threaded record (Leesburg Municipal Airport, here). NOAA, through RCC-ACIS.
