Category Archives: Washington

Climate of Olympia WA: number of hot days

For Olympia Airport, (1941-2015), I have compiled the number of “hot” days (>= 89 F) per decade.  The threshold temperature for a hot day was set to make an annual mean frequency of about 7 days per year. 1940s*   … Continue reading

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Seattle Precipitation – Winter 2015-16

Seattle Sand Point (SEW) has seen measurable precipitation on each of the past 14 days (26 Feb – 10 Mar 2016).  This month, with 3.20 inches so far, is likely to be the 6th consecutive month with above normal precipitation … Continue reading

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From 106 F to 28 F in eastern Washington in 5 days

Eastern Washington has been a land of temperature extremes this past week.  Earlier this week the temperature reached 106 F at Benton City on 8 June 2015 and several sites reached 105 F, including the Hanford climate station.  Now just … Continue reading

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Whidbey Island Naval Air Station warm anomaly

In western Washington we have an ASOS site at Whidbey Island Naval Air Station (KNUW) whose temperature often runs considerably higher than surrounding sites. For example, the high temperature today about 2 miles south of KNUW ASOS on Whidbey Island was 52 … Continue reading

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Record warm February 2015 at Hanford WA

The Hanford climate station in eastern Washington reports February 2015 to have been their warmest February in the 71 year historical record from 1945 – 2015.  The mean of 45.3 F exceeded the previous record in February 1958 by +0.8 … Continue reading

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Warm February 2015 in the Pacific Northwest

Final results are in…at the Olympia Airport over the past 74 years since 1942 this past month was the 3rd warmest February in the historical record: 1) 1958   47.0 F 2) 1963   46.1 3) 2015   46.0   … Continue reading

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Wenatchee WA reaches the freezing mark

They are celebrating in Wenatchee WA.  For the first time in nearly 3 weeks the temperature has risen above freezing with 33 F reported at 11 AM 29 Jan 2013.  The max temperature reached 37 F back on 10 Jan … Continue reading

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