The Mayo 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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3.93 inches of rain fell in two days, the most for this week of the year since records began in 1949. The next wettest, 3.85 inches, fell in 1951.
Mayo’s center stands about 90 ft above sea level. Within three miles the land runs from 50 ft to 120 ft, a difference of 70 ft: gently rolling country.
Under the town center the state geologic map shows Undifferentiated sediments (sand, clay), from the Pleistocene to Holocene, less than 2.6 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, clay. Age: Pleistocene to Holocene, less than 2.6 million years old. About 19 mi of the line.
Limestone. Age: Late Eocene, 34 to 38 million years old. About 5 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 Mayo reaches the Gulf of America by way of the Suwannee: about 100 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Mayo; river miles along the main stem, rounded.
Mayo has a humid subtropical climate. Summer afternoons average 92° in July; winter nights fall to about 41° in January. About 56 inches of rain fall in a normal year.
On November 14 Mayo normally reaches 77° and falls to 49°. The record high is 86°, in 1955; the record low 28°, in 1968. The most rain on this date, 1.16 in, fell in 1957.
Normals 1991–2020 and records since 1949 at Mayo, here. NOAA, through RCC-ACIS.
