condition	mean	min	max
4 h after light	8.144045	6.97853	9.30956
8 h after light	5.466105000000001	4.9641	5.96811
12 h after light	11.11	10.7879	11.4321
4 h after dark	19.65515	19.6492	19.6611
8 h after dark	16.3629	15.9225	16.8033
12 h after dark	13.51675	12.7711	14.2624