condition	mean	min	max
4 h after light	5.227930000000001	3.96915	6.48671
8 h after light	5.134315	4.57515	5.69348
12 h after light	7.003515	5.77679	8.23024
4 h after dark	7.055345	5.97588	8.13481
8 h after dark	6.391795	6.22358	6.56001
12 h after dark	6.38007	5.74826	7.01188