condition	mean	min	max
0 h after light	6.922205	6.33669	7.50772
4 h after light	6.007665	4.54623	7.4691
8 h after light	2.7042200000000003	2.33944	3.069
4 h after dark	4.8583300000000005	3.7158	6.00086
8 h after dark	5.2250049999999995	4.04561	6.4044
12 h after dark	8.590465	7.79413	9.3868