condition	mean	min	max
2 h after light	6.166123333333333	5.99517	6.50456
6 h after light	6.12225	5.92883	6.38566
10 h after light	7.32205	7.06141	7.63572
2 h after dark	5.84957	5.63614	6.22204
6 h after dark	5.52083	5.25465	5.75013
10 h after dark	4.511516666666667	4.11167	5.08218