condition	mean	min	max
4 h after light	4.857923333333334	4.82465	4.90054
8 h after light	4.97096	4.836930000000001	5.18765
12 h after light	4.92986	4.79207	5.0926599999999995
4 h after dark	4.796623333333334	4.6942900000000005	4.90059
8 h after dark	4.96243	4.86345	5.04972
12 h after dark	4.897453333333333	4.85079	4.96992