condition	mean	min	max
4 h after light	22.4038805	19.183003	25.624758
8 h after light	18.688288	18.688288	18.688288
12 h after light	17.868393	15.151804	20.584982
4 h after dark	18.531191	15.21161	21.850772
8 h after dark	17.308508500000002	15.964468	18.652549
12 h after dark	17.24701	17.24701	17.24701