The Mira Monte 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.
Sunny
Partly cloudy
Partly cloudy
Sunny
Showers likely
Showers likely
Mostly sunny
5.51 inches of rain fell in two days, the most for this week of the year since records began in 1905. The next wettest, 4.69 inches, fell in 2025.
Mira Monte’s center stands about 640 ft above sea level. Within three miles the land runs from 400 ft to 1,770 ft, a difference of 1,370 ft: steep hill country. The highest named summit within 15 miles is Reyes Peak, about 7,480 ft, 14 miles north.
Under the town center the state geologic map shows Quaternary alluvium and marine deposits (coarse-detrital), from the Pleistocene to Holocene, less than 2.6 million years old.
The section below crosses 7 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.
Mudstone, sandstone. Age: Paleocene to Oligocene, 23 to 66 million years old. About 7 mi of the line.
Coarse-detrital. Age: Pleistocene to Holocene, less than 2.6 million years old. About 4 mi of the line.
Sandstone, conglomerate. Age: Middle Eocene to Early Miocene, 16 to 48 million years old. About 3 mi of the line.
Sandstone, siltstone-mudstone. Age: Late Cretaceous, 66 to 100 million years old. About 2 mi of the line.
Sandstone, mudstone. Age: Oligocene to Pliocene, 2.6 to 34 million years old. About 2 mi of the line.
Sandstone, mudstone. Age: Miocene to Pleistocene, less than 23 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. 1 smaller unit along the line are not listed.
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 Mira Monte reaches the Pacific Ocean by way of the Ventura: about 13 river miles.
Often dry. About 40% of the way is mapped as streams that run only after rain or snowmelt; the water makes the whole trip in floods.
Traced down the USGS NHDPlus V2.1 river network from the Census center point of Mira Monte; river miles along the main stem, rounded.
Mira Monte has a hot-summer Mediterranean climate. Summer afternoons average 91° in August; winter nights fall to about 33° in December. About 21 inches of rain fall in a normal year.
On November 14 Mira Monte normally reaches 73° and falls to 38°. The record high is 100°, in 1906; the record low 25°, in 1916. The most rain on this date, 2.75 in, fell in 1953.
Normals 1991–2020 and records since 1905 at Ojai, 4 miles east-northeast, 100 ft higher. NOAA, through RCC-ACIS.
