condition	mean	min	max
4 h after light	5.66211	5.6241900000000005	5.73755
8 h after light	5.8095	5.66006	5.9490300000000005
12 h after light	5.737533333333333	5.68231	5.7851
4 h after dark	5.80117	5.60268	6.02672
8 h after dark	5.884823333333333	5.71546	6.04568
12 h after dark	5.763983333333333	5.69339	5.8678