condition	mean	min	max
4 h after light	1.79333	1.61465	1.97201
8 h after light	1.91479	1.73318	2.0964
12 h after light	2.45967	2.30903	2.61031
4 h after dark	1.95462	1.75384	2.24369
8 h after dark	2.6604366666666666	2.50824	2.74469
12 h after dark	2.5606866666666668	2.43297	2.64255