The Wahiawa 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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89° on Nov. 17, 2022, the hottest reading for this week of the year since 1975. Next is 87° in 1986.
Wahiawa’s center stands about 960 ft above sea level. Within three miles the land runs from 630 ft to 1,410 ft, a difference of 780 ft: hilly country. The highest named summit within 15 miles is Kaʻala, about 3,990 ft, 8 miles west.
Heights every 0.1 mile from the Copernicus GLO-90 surface model; vertical exaggeration about 8×.
Heights from Copernicus GLO-90 (a surface model: it includes buildings and tree canopy); summits from USGS GNIS; rivers from USGS NHDPlus HR.
Wahiawa has a tropical rainforest climate. Summer afternoons average 81° in September; winter nights fall to about 63° in January. About 151 inches of rain fall in a normal year.
On November 14 Wahiawa normally reaches 78° and falls to 68°. The record high is 85°, in 1983; the record low 60°, in 2010. The most rain on this date, 7.05 in, fell in 1990.
Normals 1991–2020 and records since 1975 at Manoa Lyon Arbo 785.2, 18 miles southeast, 460 ft lower. NOAA, through RCC-ACIS.
