condition	mean	min	max
0 h after light	21.0678	20.5178	21.6178
4 h after light	22.66715	21.1711	24.1632
8 h after light	2.679695	2.42871	2.93068
4 h after dark	1.0779365	0.957823	1.19805
8 h after dark	11.916055	9.38441	14.4477
12 h after dark	15.2654	11.6007	18.9301