condition	mean	min	max
2 h after light	6.496953333333333	6.13414	6.88458
6 h after light	8.137126666666667	8.01827	8.27286
10 h after light	8.71378	8.25631	9.48509
2 h after dark	7.7593700000000005	7.32331	8.09645
6 h after dark	6.1967566666666665	5.77885	6.65396
10 h after dark	5.08765	4.75925	5.53681