condition	mean	min	max
4 h after light	19.0	19.0	19.0
8 h after light	15.55	13.9	17.2
12 h after light	10.3	5.1	15.5
4 h after dark	4.95	4.5	5.4
8 h after dark	34.85	26.1	43.6
12 h after dark	10.899999999999999	3.9	17.9