condition	mean	min	max
4 h after light	4.4048	3.29643	5.51317
8 h after light	9.36449	9.30971	9.41927
12 h after light	20.8916	20.3584	21.4248
4 h after dark	14.247933333333332	13.37	15.5893
8 h after dark	9.053023333333332	7.97849	10.7181
12 h after dark	6.406583333333333	6.0454	6.7231