condition	mean	min	max
0 h after light	14.197695	7.82309	20.5723
4 h after light	10.75067	8.96754	12.5338
8 h after light	4.4514700000000005	1.93494	6.968
4 h after dark	10.11467	4.80204	15.4273
8 h after dark	9.185939999999999	8.74092	9.63096
12 h after dark	11.156155	6.68711	15.6252