condition	mean	min	max
0 h after light	2.0258000000000003	1.61891	2.43269
4 h after light	1.922765	1.59615	2.24938
8 h after light	1.665415	1.38325	1.94758
4 h after dark	2.3911	1.66224	3.11996
8 h after dark	2.4011	2.26562	2.53658
12 h after dark	1.996905	1.8372	2.15661