condition	mean	min	max
0 h after light	5.4878350000000005	5.29915	5.67652
4 h after light	3.3082700000000003	3.04721	3.56933
8 h after light	6.41677	5.9817	6.85184
4 h after dark	8.31115	7.60471	9.01759
8 h after dark	7.130985000000001	6.20094	8.06103
12 h after dark	5.832955	5.53554	6.13037