condition	mean	min	max
4 h after light	9.968678333333333	6.527935	11.88738
8 h after light	8.700215333333334	3.281668	13.912320000000001
12 h after light	9.920996666666667	1.58481	18.065070000000002
16 h after light	13.455271	7.0348429999999995	19.95253
4 h after dark	12.677959	6.076267	21.03523
8 h after dark	9.582125666666666	6.37384	14.74414