condition	mean	min	max
4 h after light	7.374995	5.78768	8.96231
8 h after light	11.696950000000001	11.119	12.2749
12 h after light	11.1051	10.4126	11.7976
4 h after dark	26.24785	24.813	27.6827
8 h after dark	22.44275	21.2649	23.6206
12 h after dark	15.261000000000001	14.5181	16.0039