condition	mean	min	max
0 h after light	8.365895	8.10836	8.62343
4 h after light	5.347770000000001	5.14609	5.54945
8 h after light	6.021015	5.08207	6.95996
4 h after dark	7.668089999999999	7.20634	8.12984
8 h after dark	7.929025	7.66305	8.195
12 h after dark	6.202565	6.05956	6.34557