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Snowfall in Oregon is greatest in the Cascade Range. Based on data from ski resorts and a few official weather stations, average annual snowfall in the Cascades can range from 300 to 550 inches (760 to 1,400 cm). [3] The state's largest annual snowfall on record, 903 inches (2,290 cm), occurred at Crater Lake in the Cascades in 1950. [6]
Mean annual rainfall is 37 to 60 inches (96 to 152 cm), and summers are generally dry. Historically, the region was covered by rolling prairies, oak savanna, coniferous forests, extensive wetlands, and deciduous riparian forests. Today, it contains the bulk of Oregon's population, industry, commerce, and agriculture.
Annual snowfall in Portland is 4.3 inches ... Climate data for Portland, Oregon , ... Average precipitation days (≥ 0.01 in) 18.7
Average amount of annual precipitation: It’s more appealing to spend time outside when it’s not raining. ... Portland, Oregon. Pittsburgh, Pennsylvania. ... Annual precipitation and air ...
Average monthly precipitation (in mm) for selected cities in North America City Country ... Portland: United States: 938.0 128.0 93.0 101.0 73.0 64.0 41.0 13.0
English: Monthly Climate Normals (1991-2020) - Portland Area, OR(ThreadEx) Date: 14 July 2023: ... Portland, Oregon; Global file usage. The following other wikis use ...
The average annual rainfall for the island is 86 inches (2,200 mm). [74] There is a distinct dry season from January to June, and a rainy season from July to December. [75] Typhoons frequent the island, which can lead to excessive rainfall. During El Niño years, dry season precipitation averages below normal.
Tillamook's annual precipitation averages about 88 inches (2,200 mm) compared to only 36 inches (910 mm) in Portland. Summers in Tillamook are brief and mild with average daytime temperatures in the upper 60s, although daytime temperatures can occasionally soar into the 80s and 90s for days at a time.