condition	mean	min	max
4 h after light	7.512684999999999	6.84818	8.17719
8 h after light	6.205019999999999	6.11264	6.2974
12 h after light	5.9733350000000005	4.93869	7.00798
4 h after dark	8.34943	7.22788	9.47098
8 h after dark	6.53758	6.18312	6.89204
12 h after dark	7.371085	6.42164	8.32053