condition	mean	min	max
4 h after light	1.21617	1.13992	1.29242
8 h after light	1.08815	1.01284	1.16346
12 h after light	0.7090105	0.565448	0.852573
4 h after dark	1.127659	0.869388	1.38593
8 h after dark	1.3474	1.2759	1.4189
12 h after dark	2.304025	2.21835	2.3897