condition	mean	min	max
0 h after light	8.635495	7.68808	9.58291
4 h after light	5.937365	5.34789	6.52684
8 h after light	5.8857099999999996	5.36607	6.40535
4 h after dark	7.806305	6.24499	9.36762
8 h after dark	7.267525	6.79906	7.73599
12 h after dark	8.23511	7.45413	9.01609