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She deferred to the weather service’s climate expert on whether the trend might dog the Salt Lake Valley all the way through the summer months.
"I couldn’t tell you that with any degree of certainty," she said when asked about the possibility that 2013 could prove the area’s hottest ever. "As a meteorologist, I can tell you what’s going to happen this week."
Summer heat is 2 degrees Fahrenheit higher on average now at 89.6 than it was just a few decades ago. The average daily high between 1948-57 was 87.4.
Overnight average temperatures increased more than twice as much, with the average over the past decade at 63 degrees, compared with 57.9 in the 1948-57 period. That’s more than 5 degrees hotter on average.
About 45 percent of electricity people use at home in the summer is for cooling.
People use about 20 percent more electricity on 100-degree days than on 90-degree days.
The National Weather Service has logged 37 days this summer when temperatures have been 95 or above. Last summer it was 45. The average is 23 days, but there have been as many as 51, a record set in 1951.
Sources: Wasatch Weather Weenies, National Weather Service, Rocky Mountain Power
And that, the data suggest to her, is that daily highs are expected to keep northern Utah pretty darn hot.
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