condition	mean	min	max
4 h after light	3.248993	0.597209	4.64639
8 h after light	2.9652013333333334	0.537184	5.26312
12 h after light	6.03526	3.73639	9.77424
4 h after dark	11.73755	7.44235	15.6441
8 h after dark	8.36198	6.24798	10.4411
12 h after dark	6.655403333333333	5.86407	7.17383