 This day holds the record for the highest temperature ever recorded in the U.S. More as we look into the weather archives today on the Old Farmer's Almanac Radio Report. With more practical tips and useful advice, this is the Old Farmer's Almanac Radio Report for Wednesday, July 10th, the 192nd day of the year. Folk singer Arlo Guthrie has a birthday and the highest temperature ever recorded in the U.S. occurred on this day in 1913. The mercury hit 134 degrees in California's Death Valley.