condition mean min max 4 h after light 64.5 64.5 64.5 8 h after light 32.55 13.2 51.9 12 h after light 67.95 58.4 77.5 4 h after dark 60.3 44.1 76.5 8 h after dark 72.15 61.8 82.5 12 h after dark 46.1 36.7 55.5