condition	mean	min	max
4 h after light	57.7252	56.9578	58.4926
8 h after light	71.64415	69.3821	73.9062
12 h after light	65.97005	63.4545	68.4856
4 h after dark	156.352	138.738	173.966
8 h after dark	108.589	101.507	115.671
12 h after dark	77.4733	65.9427	89.0039