condition	mean	min	max
0 h after light	16.13155	15.7985	16.4646
4 h after light	12.67625	11.2899	14.0626
8 h after light	5.98984	5.98206	5.99762
4 h after dark	8.464155	5.90341	11.0249
8 h after dark	16.6535	16.4569	16.8501
12 h after dark	18.14075	15.6609	20.6206