condition	mean	min	max
4 h after light	5.8141750000000005	4.48803	7.14032
8 h after light	5.259375	5.20744	5.31131
12 h after light	9.947189999999999	9.54668	10.3477
4 h after dark	12.3604	11.8437	12.7717
8 h after dark	13.8257	13.2197	14.6744
12 h after dark	9.27045	8.15589	10.412