condition	mean	min	max
4 h after light	7.385020000000001	5.92021	8.84983
8 h after light	4.889845	4.86993	4.90976
12 h after light	7.681355	7.13246	8.23025
4 h after dark	13.08125	11.8903	14.2722
8 h after dark	12.6296	12.368	12.8912
12 h after dark	11.6691	11.338	12.0002