condition	mean	min	max
4 h after light	3.45275	2.70992	4.19558
8 h after light	5.56582	5.27957	5.85207
12 h after light	3.728765	3.47024	3.98729
4 h after dark	6.00437	5.62827	6.38669
8 h after dark	3.9510566666666667	3.27659	4.46695
12 h after dark	4.27717	4.07412	4.5458