condition	mean	min	max
4 h after light	1.251395	1.21801	1.28478
8 h after light	1.50709	1.25322	1.76096
12 h after light	1.696565	1.68337	1.70976
4 h after dark	1.8792633333333333	1.85568	1.90056
8 h after dark	1.080007	0.892621	1.32716
12 h after dark	1.3707566666666666	1.11591	1.71241