condition	mean	min	max
0 h after light	8.572125	8.43809	8.70616
4 h after light	3.628565	2.86385	4.39328
8 h after light	2.0242750000000003	1.67477	2.37378
4 h after dark	4.14874	4.12319	4.17429
8 h after dark	5.010949999999999	3.5404	6.4815
12 h after dark	4.402955	4.21906	4.58685