condition	mean	min	max
4 h after light	2.527475	1.95639	3.09856
8 h after light	4.874575	4.6129	5.13625
12 h after light	6.437295000000001	5.90434	6.97025
4 h after dark	6.582416666666667	5.74577	7.78187
8 h after dark	3.97039	3.35708	4.57496
12 h after dark	2.1773336666666667	0.766731	3.11226