condition	mean	min	max
4 h after light	19.3	19.3	19.3
8 h after light	11.95	1.0	22.9
12 h after light	16.55	6.7	26.4
4 h after dark	18.650000000000002	4.7	32.6
8 h after dark	21.7	13.7	29.7
12 h after dark	5.75	5.4	6.1