condition	mean	min	max
4 h after light	7.038055	6.52974	7.54637
8 h after light	4.8059899999999995	4.65698	4.955
12 h after light	5.265305	5.25757	5.27304
4 h after dark	6.182515	5.96207	6.40296
8 h after dark	6.234685000000001	6.23139	6.23798
12 h after dark	7.54206	7.47773	7.60639