condition	mean	min	max
4 h after light	11.247	11.2101	11.2839
8 h after light	7.442715	7.24571	7.63972
12 h after light	4.971970000000001	4.68527	5.25867
4 h after dark	8.018965	7.88262	8.15531
8 h after dark	9.275045	8.72761	9.82248
12 h after dark	11.47045	11.397	11.5439