condition mean min max 0 h after light 66.0412 65.5916 66.4908 4 h after light 68.9798 53.647 84.3126 8 h after light 15.9467 13.7372 18.1562 4 h after dark 17.845675 9.75655 25.9348 8 h after dark 64.55590000000001 58.8143 70.2975 12 h after dark 94.85915 91.8635 97.8548