condition	mean	min	max
4 h after light	5.755705	5.4456	6.06581
8 h after light	6.565245	5.6417	7.48879
12 h after light	6.98484	6.82423	7.14545
4 h after dark	6.65631	5.0686	8.24402
8 h after dark	7.291705	7.19714	7.38627
12 h after dark	6.376045	5.60357	7.14852