condition	mean	min	max
4 h after light	3.9781850000000003	3.36791	4.58846
8 h after light	3.232425	3.20561	3.25924
12 h after light	5.316375	4.53752	6.09523
4 h after dark	10.105705	9.56781	10.6436
8 h after dark	7.514530000000001	7.12871	7.90035
12 h after dark	7.297225	7.18783	7.40662