condition	mean	min	max
4 h after light	2.272437	0.731471	3.04926
8 h after light	3.044828	0.625674	5.75322
12 h after light	2.4145266666666667	1.31995	3.15114
4 h after dark	4.45204	2.72672	5.68002
8 h after dark	2.5344	1.50465	3.55589
12 h after dark	2.232216666666667	1.92433	2.61722