condition	mean	min	max
4 h after light	2.860975	2.48936	3.23259
8 h after light	6.20162	6.11707	6.28617
12 h after light	6.89786	6.54094	7.25478
4 h after dark	11.5865	11.0255	12.6764
8 h after dark	8.738343333333333	8.48477	8.96134
12 h after dark	5.6335033333333335	2.54909	7.3674