condition	mean	min	max
4 h after light	3.83235	3.81745	3.84725
8 h after light	4.041575	4.01034	4.07281
12 h after light	5.43611	5.08359	5.78863
4 h after dark	9.93146	9.90106	9.96186
8 h after dark	7.35511	7.09483	7.61539
12 h after dark	6.57424	6.4219	6.72658