condition	mean	min	max
4 h after light	21.86655	20.983828	22.749272
8 h after light	18.545841000000003	16.574442	20.51724
12 h after light	20.7181585	19.413913	22.022404
4 h after dark	18.3719015	15.925235	20.818568
8 h after dark	20.244204500000002	20.189992	20.298417
12 h after dark	33.96953	33.96953	33.96953