condition	mean	min	max
4 h after light	6.255265	5.72334	6.78719
8 h after light	6.233264999999999	6.18415	6.28238
12 h after light	7.2603100000000005	6.60305	7.91757
4 h after dark	9.63777	8.94194	10.3336
8 h after dark	8.602924999999999	8.46787	8.73798
12 h after dark	8.187285	8.1793	8.19527