condition	mean	min	max
4 h after light	5.8047450000000005	5.08265	6.52684
8 h after light	5.702825000000001	5.48885	5.9168
12 h after light	6.03357	5.8861	6.18104
4 h after dark	9.49401	8.69852	10.2895
8 h after dark	8.98229	8.66552	9.29906
12 h after dark	7.239145000000001	7.00469	7.4736