condition	mean	min	max
4 h after light	6.07637	3.74676	8.40598
8 h after light	3.186675	2.8881	3.48525
12 h after light	1.65174	1.64879	1.65469
4 h after dark	1.9512333333333334	1.48604	2.54801
8 h after dark	2.196223333333333	1.91015	2.60311
12 h after dark	3.73501	3.05384	4.75106