condition	mean	min	max
0 h after light	6.941285000000001	6.91532	6.96725
4 h after light	5.908105000000001	5.4545	6.36171
8 h after light	4.0039750000000005	3.94205	4.0659
4 h after dark	6.20298	5.8991	6.50686
8 h after dark	7.446275	7.161	7.73155
12 h after dark	6.36328	6.21516	6.5114