condition	mean	min	max
4 h after light	4.259	2.58512	5.93288
8 h after light	3.167005	2.6173	3.71671
12 h after light	4.00824	3.43735	4.57913
4 h after dark	7.997983333333334	5.42738	9.63706
8 h after dark	6.38114	3.38834	9.01054
12 h after dark	5.068386666666667	1.99124	10.3602