condition	mean	min	max
4 h after light	7.38369	6.54244	8.22494
8 h after light	3.67313	3.44527	3.90099
12 h after light	4.279685000000001	4.06745	4.49192
4 h after dark	6.040663333333334	5.57146	6.41688
8 h after dark	8.260043333333334	8.15058	8.41438
12 h after dark	8.17991	7.1103	9.10747