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Köppen climate types of Oregon, using 1991-2020 climate normals. ... (32 °C) occurring only five to fifteen times per year, and low temperatures below 30 °F ...
Average monthly precipitation (in mm) for selected cities in Asia ; City Country Year Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Ref. Mawsynram: India: 133.0 8.3 15.7 27.4 29.8 26.0 5.7
Conversely, at the northern end of the valley, Portland is 50 feet (15 m) above sea level and receives only 36 inches (910 mm) per year. Most rainfall occurs from October to May, and it tends to be heaviest between November and January, when disturbances coming from the Pacific Ocean are at their most intense. Growing seasons are long ...
Annual precipitation throughout Oregon's high desert region is relatively low, averaging less than 15 inches (380 mm) per year in most areas. Bend, the region's largest city, only receives 12 in (300 mm) of precipitation per year.
Rainfall amounts can range from an average of 66.40 inches (1,687 mm) per year [28] in the far northwest hills, compared to 43.66 inches (1,109 mm) per year at Oregon State University, which is located in the center of Corvallis.
The wettest rain year on record was from July 1955 to June 1956 with 50.69 inches (1,288 mm) of precipitation, and the driest from July 1923 to June 1924 with 13.43 inches (341 mm). The most precipitation in one month was 20.63 inches (524 mm) in December 1996, and the most precipitation in one day was 5.27 inches (134 mm) on October 29, 1950 ...
By Sean Breslin -- Every year at Oregon's Lost Lake, something unusual happens. At the end of a long winter, snow melts into a lake, and the water level rises. Then, in a matter of days, all that ...
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