condition mean min max 0 h after light 4.236475 3.90222 4.57073 4 h after light 3.182625 2.81383 3.55142 8 h after light 3.1619900000000003 3.11667 3.20731 4 h after dark 4.10665 3.71455 4.49875 8 h after dark 3.770455 3.72495 3.81596 12 h after dark 4.59873 4.28127 4.91619