condition	mean	min	max
4 h after light	5.389235	5.36828	5.41019
8 h after light	7.88075	7.40992	8.35158
12 h after light	7.629995	6.84746	8.41253
4 h after dark	9.127875	8.70247	9.55328
8 h after dark	7.96725	7.52308	8.41142
12 h after dark	8.112335	7.26548	8.95919