condition	mean	min	max
4 h after light	39.2	39.2	39.2
8 h after light	19.55	2.7	36.4
12 h after light	21.35	3.7	39.0
4 h after dark	12.5	5.2	19.8
8 h after dark	37.5	32.9	42.1
12 h after dark	40.849999999999994	34.4	47.3