condition	mean	min	max
0 h after light	17.866149999999998	17.0937	18.6386
4 h after light	5.476735	5.45029	5.50318
8 h after light	11.3339	10.239	12.4288
4 h after dark	19.45715	17.4735	21.4408
8 h after dark	14.54825	14.5447	14.5518
12 h after dark	14.20252	9.65584	18.7492