The Las Marías 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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4.31 inches of rain fell in two days, the most for this week of the year since records began in 1980. The next wettest, 3.80 inches, fell in 2002.
Las Marías’s center stands about 900 ft above sea level. Within three miles the land runs from 270 ft to 1,610 ft, a difference of 1,340 ft: steep hill country. The highest named summit within 15 miles is Monte Membrillo, about 3,530 ft, 12 miles southeast.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 7×.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR.
Las Marías has a tropical rainforest climate. Summer afternoons average 87° in June; winter nights fall to about 60° in March. About 85 inches of rain fall in a normal year.
On November 14 Las Marías normally reaches 82° and falls to 65°. The record high is 91°, in 1995; the record low 54°, in 1988. The most rain on this date, 3.10 in, fell in 2002.
Normals 1991–2020 and records since 1980 at Arecibo Observatory, 17 miles east-northeast, 160 ft higher. NOAA, through RCC-ACIS.
