condition	mean	min	max
4 h after light	5.11677	5.00997	5.19755
8 h after light	5.103863333333333	4.90218	5.30319
12 h after light	5.025413333333334	4.85412	5.30616
4 h after dark	4.987903333333334	4.898569999999999	5.05956
8 h after dark	4.9126199999999995	4.82231	5.015569999999999
12 h after dark	5.106396666666667	4.94519	5.293480000000001