PHOENIX — If you’ve lived in the Valley of the Sun for more than a decade, you remember what winter weather used to be like. We would typically see several mornings when you had to scrape a thin layer of frost off your windshield before driving into work, or when you rushed outside the night before to cover sensitive citrus trees with burlap sacks or frost cloth.
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Lately, however, those burlap sacks are gathering dust in the garage…