condition	mean	min	max
4 h after light	5.189125000000001	5.00997	5.36828
8 h after light	5.07527	4.41991	5.73063
12 h after light	7.322265	7.2365	7.40803
4 h after dark	6.83567	6.59404	7.0773
8 h after dark	9.595775	8.55165	10.6399
12 h after dark	8.05584	7.9645	8.14718