condition	mean	min	max
4 h after light	9.16984	9.04434	9.23961
8 h after light	8.672326666666667	8.4623	8.86144
12 h after light	9.13058	8.98847	9.28587
4 h after dark	8.971903333333334	8.67027	9.12851
8 h after dark	9.149099999999999	8.82784	9.57982
12 h after dark	9.189583333333333	9.113999999999999	9.249830000000001