The Saddlebrooke 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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85° on Nov. 16, 2016, the hottest reading for this week of the year since 1893. Next is 83° in 1934.
Saddlebrooke’s center stands about 3,660 ft above sea level. Within three miles the land runs from 3,160 ft to 4,070 ft, a difference of 910 ft: steep hill country. The highest named summit within 15 miles is Mount Lemmon, about 9,150 ft, 9 miles south-southeast.
Under the town center the state geologic map shows Pliocene to middle Miocene deposits (conglomerate, sandstone), from the Early Miocene to Pleistocene, 2 to 16 million years old.
The section below crosses 4 rock units mapped at the surface.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 4×. The colored band under the surface is the rock the state geologic map shows at the surface, not a picture of what lies beneath.
Conglomerate, sandstone. Age: Early Miocene to Pleistocene, 2 to 16 million years old. About 14 mi of the line.
Granite, granodiorite, diorite. Age: Late Oligocene to Middle Miocene, 14 to 26 million years old. About 6 mi of the line.
Granite. Age: Late Cretaceous to Early Eocene, 50 to 80 million years old. About 4 mi of the line.
Granite. Age: Mesoproterozoic, 1.4 to 1.4 billion years old. About 0.7 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.
Saddlebrooke has a cold semi-arid climate. Summer afternoons average 94° in June; winter nights fall to about 31° in January. About 16 inches of rain fall in a normal year.
On November 14 Saddlebrooke normally reaches 69° and falls to 39°. The record high is 82°, in 2017; the record low 26°, in 1985. The most rain on this date, 1.43 in, fell in 1968.
Normals 1991–2020 and records since 1893 from the Oracle Area threaded record (Oracle State Park, 9 miles east-northeast, 940 ft higher). NOAA, through RCC-ACIS.
