condition	mean	min	max
4 h after light	27.19545	23.6518	30.7391
8 h after light	3.01299	2.93104	3.09494
12 h after light	2.474735	2.0775	2.87197
4 h after dark	2.4962533333333337	1.50844	3.87969
8 h after dark	18.7357	17.2571	20.942
12 h after dark	13.8534	10.4708	18.5955