condition	mean	min	max
4 h after light	4.636695	3.98991	5.28348
8 h after light	3.811275	3.68032	3.94223
12 h after light	4.00992	3.88066	4.13918
4 h after dark	5.246426666666666	3.85231	6.60266
8 h after dark	6.4083	5.81919	7.4642
12 h after dark	6.074343333333333	5.09345	7.51922