condition	mean	min	max
0 h after light	6.452095	4.83368	8.07051
4 h after light	5.66631	4.76574	6.56688
8 h after light	10.476579999999998	8.20066	12.7525
4 h after dark	16.65305	14.2419	19.0642
8 h after dark	7.16761	6.40093	7.93429
12 h after dark	9.531705	8.04531	11.0181