condition	mean	min	max
4 h after light	51.1	51.1	51.1
8 h after light	20.65	7.9	33.4
12 h after light	21.35	17.1	25.6
4 h after dark	68.9	15.1	122.7
8 h after dark	41.85	26.2	57.5
12 h after dark	23.3	11.5	35.1