condition	mean	min	max
4 h after light	2.5891450000000003	1.73509	3.4432
8 h after light	3.6129499999999997	3.50146	3.72444
12 h after light	3.014385	2.3898	3.63897
4 h after dark	6.09182	5.9471	6.23654
8 h after dark	4.238	3.92226	4.55374
12 h after dark	3.892635	3.69222	4.09305