condition mean min max 0 h after light 7.578785 7.23027 7.9273 4 h after light 5.203060000000001 4.34006 6.06606 8 h after light 23.77955 22.0406 25.5185 4 h after dark 16.990000000000002 12.3662 21.6138 8 h after dark 12.3453 12.3386 12.352 12 h after dark 5.667655 5.66368 5.67163