condition	mean	min	max
4 h after light	13.2	13.2	13.2
8 h after light	22.950000000000003	16.1	29.8
12 h after light	16.65	2.9	30.4
4 h after dark	22.6	17.0	28.2
8 h after dark	23.75	21.8	25.7
12 h after dark	19.95	0.6	39.3