condition	mean	min	max
0 h after light	6.092835	6.03275	6.15292
4 h after light	4.99329	4.51756	5.46902
8 h after light	6.42688	5.73025	7.12351
4 h after dark	9.661545	9.42294	9.90015
8 h after dark	7.703575000000001	7.67116	7.73599
12 h after dark	6.903314999999999	5.6217	8.18493