condition	mean	min	max
4 h after light	11.8	11.8	11.8
8 h after light	16.5	5.2	27.8
12 h after light	34.6	10.8	58.4
4 h after dark	40.35	39.1	41.6
8 h after dark	40.0	36.6	43.4
12 h after dark	44.55	37.5	51.6