condition	mean	min	max
0 h after light	13.74075	11.7898	15.6917
4 h after light	3.3094099999999997	1.28926	5.32956
8 h after light	1.95926	1.3311	2.58742
4 h after dark	3.21829	2.56854	3.86804
8 h after dark	3.230515	2.59744	3.86359
12 h after dark	5.16665	5.10976	5.22354