condition mean min max 4 h after light 99.6 99.6 99.6 8 h after light 77.95 54.1 101.8 12 h after light 98.55000000000001 96.2 100.9 4 h after dark 103.4 87.6 119.2 8 h after dark 74.65 46.8 102.5 12 h after dark 77.75 65.3 90.2