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News / Clark County News

Weather Eye: Cool marine air to temper record-breaking heat wave

By Patrick Timm for The Columbian
Published: June 29, 2021, 6:03am

This will be the year we will all remember in our lifetimes, the excessive heat wave in the Pacific Northwest. Vancouver set a new all-time high temperature record twice, with 112 degrees Sunday and 115 degrees (as of 5 p.m.) on Monday. We had 108 degrees on Saturday, which tied the all-time high temperature.

Cool marine air was rushing inland as I wrote this column at 5 p.m. Monday. I see Kelso dropped from over 100 to 93 degrees; it dropped in Woodland into the 90s and was only an hour or two from lowering Vancouver’s temperature by 30 or 40 degrees by late evening. What a rush of wind!

Vancouver’s average mean temperature for the month is now 69 degrees, some six degrees above normal. Our rainfall will go into the record books for June at 1.47 inches, which is now .15 of an inch below average. Thank goodness we had a round of rain earlier in the month. But boy have things dried out. Needless to say, we are back in the severe category on the drought monitor.

It was hot in Seattle, where they reached 107 degrees and a new all-time record temperature. Incredible. Bellingham almost reached 100 with 99 degrees, a record. Remember, all these temperatures I am reporting are as of 5 p.m.; it was possible another degree could have been added.

What is Washington’s all-time high temperature? It was 118 degrees on Aug. 5, 1961 at Ice Harbor Dam, about 12 miles east of Pasco. Also, at Wahluke on July 24, 1928. I bring this up as Eastern Washington will have its hottest weather today and tomorrow and we’ll see what happens.

One interesting twist in record keeping. It was 118 degrees Monday in The Dalles, Ore. The issue is the temperature is taken across the river in Washington at Dallesport. So, did we tie the state record high Monday? I guess the state climatologist will work that out.

Cooler today and the remaining days to the Fourth; the 80s and 90s will seem much more reasonable. No rain in sight.

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