condition	mean	min	max
0 h after light	2.45509	2.30493	2.60525
4 h after light	2.82192	2.53165	3.11219
8 h after light	5.220945	4.26258	6.17931
4 h after dark	4.2318	4.11166	4.35194
8 h after dark	3.759385	3.74495	3.77382
12 h after dark	3.460045	3.06391	3.85618