condition mean min max 4 h after light 92.9 92.9 92.9 8 h after light 71.9 46.6 97.2 12 h after light 92.55000000000001 85.4 99.7 4 h after dark 97.05000000000001 63.3 130.8 8 h after dark 95.1 62.6 127.6 12 h after dark 88.9 88.1 89.7