condition	mean	min	max
4 h after light	10.373315	9.21203	11.5346
8 h after light	9.25174	9.15815	9.34533
12 h after light	9.001655	8.67757	9.32574
4 h after dark	11.324665	9.99683	12.6525
8 h after dark	12.0231	10.8774	13.1688
12 h after dark	11.763100000000001	11.5219	12.0043