condition	mean	min	max
4 h after light	3.054998	2.9965509999999997	3.16425
8 h after light	2.1913483333333335	1.391607	2.635361
12 h after light	1.6026876666666667	1.3606559999999999	1.889132
16 h after light	3.4091693333333337	2.6362900000000002	4.1446510000000005
4 h after dark	2.592184666666667	2.3071650000000004	2.824077
8 h after dark	1.9400286666666666	1.427785	2.2937529999999997