condition	mean	min	max
0 h after light	7.5272950000000005	7.31715	7.73744
4 h after light	3.46709	3.20636	3.72782
8 h after light	2.708305	1.93107	3.48554
4 h after dark	6.53411	6.38788	6.68034
8 h after dark	5.9645399999999995	5.73849	6.19059
12 h after dark	7.373374999999999	6.22154	8.52521