condition mean min max 4 h after light 103.243731 93.539783 112.947679 8 h after light 151.57442550000002 134.356274 168.792577 12 h after light 159.00663500000002 158.847441 159.165829 4 h after dark 237.569236 180.743138 294.395334 8 h after dark 220.36202500000002 215.799686 224.924364 12 h after dark 157.359169 157.359169 157.359169