condition	mean	min	max
4 h after light	9.179145	9.03281	9.32548
8 h after light	4.45413	3.75338	5.15488
12 h after light	4.185565	3.72471	4.64642
4 h after dark	6.003943333333333	4.87767	7.13878
8 h after dark	4.890513333333334	4.62891	5.40731
12 h after dark	9.247266666666667	7.43094	11.8925