The Garden Grove 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.
Mostly sunny
Sunny; warmer
Partly cloudy
Partly cloudy
Partly cloudy
Partly cloudy
Partly cloudy
96° on Nov. 13, 2007, the hottest reading for this week of the year since 1892. Next is 91° in 2023.
Garden Grove’s center stands about 110 ft above sea level. Within three miles the land runs from 60 ft to 200 ft, a difference of 140 ft: gently rolling country. The highest named summit within 15 miles is Chinsegut Hill, about 290 ft, 10 miles north-northeast.
Under the town center the state geologic map shows Hawthorn Group, Undifferentiated (sand, clay), from the Miocene, 5.3 to 23 million years old.
The section below crosses 5 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: Miocene, 5.3 to 23 million years old. About 11 mi of the line.
Sand, clay. Age: Pleistocene to Holocene, less than 2.6 million years old. About 6 mi of the line.
Limestone, dolostone. Age: Oligocene, 23 to 34 million years old. About 3 mi of the line.
Sand, clay. Age: Pleistocene to Holocene, less than 2.6 million years old. About 2 mi of the line.
Sand, clay. Age: Pliocene to Pleistocene, less than 5.3 million years old. About 2 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 Garden Grove reaches the Gulf of America by way of the Pithlachascotee: about 30 river miles.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Garden Grove; river miles along the main stem, rounded.
Garden Grove has a humid subtropical climate. Summer afternoons average 91° in July; winter nights fall to about 44° in January. About 52 inches of rain fall in a normal year.
On November 14 Garden Grove normally reaches 78° and falls to 52°. The record high is 88°, in 1996; the record low 34°, in 1963. The most rain on this date, 2.53 in, fell in 1941.
Normals 1991–2020 and records since 1892 from the Brooksville Area threaded record (Brooksville Hernando County Airport, here). NOAA, through RCC-ACIS.
