condition	mean	min	max
4 h after light	5.332773333333333	5.28345	5.409009999999999
8 h after light	5.39228	5.37133	5.4097
12 h after light	5.408743333333334	5.3207	5.58286
4 h after dark	5.481333333333334	5.24904	5.81007
8 h after dark	5.26751	4.95447	5.50179
12 h after dark	5.54773	5.45067	5.622669999999999