condition	mean	min	max
4 h after light	20.125283500000002	20.081892	20.168675
8 h after light	21.3581595	20.617961	22.098358
12 h after light	18.8888685	14.211179	23.566558
4 h after dark	19.649994	16.147993	23.151995
8 h after dark	20.6018275	20.130188	21.073467
12 h after dark	28.353069	28.353069	28.353069