condition	mean	min	max
0 h after light	7.447725	6.14778	8.74767
4 h after light	4.37597	4.14671	4.60523
8 h after light	3.32716	3.30066	3.35366
4 h after dark	4.782495000000001	4.68167	4.88332
8 h after dark	5.52487	4.67588	6.37386
12 h after dark	6.3546949999999995	6.01816	6.69123