ALBUQUERQUE — With Thursday’s temperatures creeping into the high 90s and humidity levels hovering at 4 percent by midafternoon, New Mexico Activities Association administrator Scott Owen pulled out his smartphone, punched in a few numbers and said, “Eighty-eight degrees.” “That’s good, 88 degrees — I don’t think so,” said Evan Bloodworth, a junior at St. Michael’s and one of nearly 200 high school players on hand for Thursday’s opening rounds of the 2021 state tennis championships. “Whatever thermometer they’re using, it’s at least 100 on the courts.” If Thursday’s sweltering heat during the tournament proved anything, it’s that it really...