condition	mean	min	max
0 h after light	22.2217	21.9026	22.5408
4 h after light	18.0282	17.6456	18.4108
8 h after light	18.5408	18.5137	18.5679
4 h after dark	19.2789	18.8125	19.7453
8 h after dark	19.73935	19.5045	19.9742
12 h after dark	18.337449999999997	17.6424	19.0325