condition	mean	min	max
4 h after light	4.42241	4.29895	4.62309
8 h after light	4.125543333333334	3.9873300000000005	4.30714
12 h after light	4.211426666666667	4.17462	4.24491
4 h after dark	4.124583333333333	3.93981	4.2335199999999995
8 h after dark	4.096986666666667	3.9877599999999997	4.28176
12 h after dark	4.21	4.1441	4.25168