condition mean min max 4 h after light 86.43936 82.954273 89.924447 8 h after light 89.5490885 87.324035 91.774142 12 h after light 110.4707 103.37657 117.56483 4 h after dark 94.903915 94.861452 94.946378 8 h after dark 94.5295865 93.823667 95.235506 12 h after dark 94.539837 94.539837 94.539837