condition	mean	min	max
0 h after light	10.00462	8.48004	11.5292
4 h after light	18.82295	18.5133	19.1326
8 h after light	20.39575	17.9779	22.8136
4 h after dark	21.459600000000002	20.8212	22.098
8 h after dark	17.0798	15.5105	18.6491
12 h after dark	11.696805	8.87591	14.5177