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Month: January 2018

Portland, Oregon Airport: Second-Warmest January Mean Temperature

Portland, Oregon Airport: Second-Warmest January Mean Temperature

With the end of January now upon us, it has certainly been a mild month in the Portland area. In fact, the Portland Airport (PDX) recorded its second-warmest January Mean Temperature since records began there in 1939, nearly 80 years ago! Only 4 days in the month averaged below the 30-year Normal, the greatest of these having just a -3.0° departure. When combining the longer-term record of the official downtown station locations with a Period of Record (POR) back to…

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HAPPY VALLEY, OREGON, WEATHER: DECEMBER 2017

HAPPY VALLEY, OREGON, WEATHER: DECEMBER 2017

TEMPERATURES Average Temperatures were fairly steady throughout the month with a difference between the Maximum and Minimum of only 8.2°. The Average Max/Min/Mean Temperatures December 1st-15th vs. 16th-31st: 44.7°/36.6°/40.6° vs. 43.6°/35.2°/39.4°. There was no unusual warmth or cold – the month only featured 5 days reaching Maxima ≥50° and most of those just barely, while Minima reached ≤32° on 9 days, including 7 in a row from 20th-26th. The greatest diurnal temperature range was just 12.9° (12th, 19th, 27th), the…

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