condition	mean	min	max
4 h after light	17.0969005	15.575922	18.617879
8 h after light	19.7046705	18.774494	20.634847
12 h after light	20.502254	18.177523	22.826985
4 h after dark	19.1388025	15.546516	22.731089
8 h after dark	21.755999000000003	20.21195	23.300048
12 h after dark	24.412501	24.412501	24.412501