condition	mean	min	max
0 h after light	9.655194999999999	8.57389	10.7365
4 h after light	6.563525	5.84692	7.28013
8 h after light	7.23958	7.12762	7.35154
4 h after dark	8.54603	6.87686	10.2152
8 h after dark	9.293775	8.93679	9.65076
12 h after dark	9.248565	8.86446	9.63267