condition	mean	min	max
4 h after light	17.579900000000002	16.5865	18.5733
8 h after light	18.255850000000002	18.1342	18.3775
12 h after light	19.21985	18.5653	19.8744
4 h after dark	24.862450000000003	24.2316	25.4933
8 h after dark	20.95015	20.3704	21.5299
12 h after dark	19.53885	19.0902	19.9875