condition mean min max 4 h after light 57.9 57.9 57.9 8 h after light 90.3 89.3 91.3 12 h after light 50.3 14.5 86.1 4 h after dark 68.75 53.1 84.4 8 h after dark 84.94999999999999 72.8 97.1 12 h after dark 55.35 44.8 65.9