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Monday, June 22, 2009

Arizona Cools as the Globe Warms?

June hasn't been this nice since ... 1913
The Arizona Republic
Meteorologists are reluctant to call a month "nice." They have their data and their science and typically do not describe the weather in such subjective terms.

Except now, because the data prove it.

"It's probably the best June since I've been here, and I've been here most of my life," said the National Weather Service's Valerie Meyers, who is in her late 40s. "It's been really nice."
Possibly the nicest June ever.

It's that type of thing that is fun to say but hard to quantify.

Thursday, however, was the 14th consecutive day to stay below 100 degrees. That's the longest stretch of its kind in any June since 1913.

The lower temperatures have allowed people to sleep with windows open and drive with their arms out vehicle windows. Evenings, too, have been spent chatting with neighbors while children or grandchildren play. Those events are not life-changing, but they are, well, nice.

Typically in June, high-pressure systems begin to form above the Valley. High pressure means clear skies and little wind. And, in June, clear skies let in the sunshine, sending the temperatures soaring.

This June, though, has remained cool because of what Meyers called "a persistent area of low pressure off the West Coast."

The low pressure has prevented the high-pressure systems from getting into place.

Alas, all good things must come to an end. This weekend, the days will heat up. Temperatures are expected to be back in the 104-105 range by the middle of next week.

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