condition	mean	min	max
4 h after light	6.784996666666666	6.65753	7.00432
8 h after light	6.594670000000001	6.52922	6.640810000000001
12 h after light	6.671403333333333	6.64163	6.72945
4 h after dark	6.680946666666666	6.50569	6.85163
8 h after dark	6.76878	6.74222	6.80888
12 h after dark	7.135703333333334	6.934880000000001	7.2880199999999995