condition	mean	min	max
4 h after light	3.60108	3.27381	3.92835
8 h after light	6.94614	6.29182	7.60046
12 h after light	4.22102	3.9972	4.44484
4 h after dark	11.85621	9.75272	13.9597
8 h after dark	8.69079	8.37311	9.00847
12 h after dark	7.28823	7.08206	7.4944