(CNN)Four people have been killed in a record-setting heat wave that's plaguing the Southwest.
- Santa Fe's high of 102 degrees tied its hottest all-time temperature on record (from June 27, 2013, although there are gaps in its record).
- Tucson's high of 115 degrees tied its third hottest temperature of all time.
- Yuma's high of 120 degrees tied for its fourth hottest day recorded.
- Phoenix's high of 118 degrees tied for its fifth hottest day.