condition	mean	min	max
4 h after light	10.207902333333333	7.722825	13.68697
8 h after light	8.257583666666665	5.967396	9.689653999999999
12 h after light	9.228499	8.773639999999999	9.684494
16 h after light	25.101476666666667	16.709310000000002	31.47904
4 h after dark	10.333198	7.980703999999999	12.39038
8 h after dark	15.959313333333334	10.438239999999999	19.966720000000002