condition	mean	min	max
4 h after light	4.148305	3.50238	4.79423
8 h after light	4.87779	4.69769	5.05789
12 h after light	5.052705	5.03413	5.07128
4 h after dark	6.707403333333334	6.34288	7.35031
8 h after dark	6.555563333333334	5.83273	7.27282
12 h after dark	5.896436666666666	5.55984	6.32705