condition	mean	min	max
4 h after light	4.47882	4.3878900000000005	4.618869999999999
8 h after light	4.372836666666667	4.315580000000001	4.4490300000000005
12 h after light	4.288673333333334	4.24288	4.35026
4 h after dark	4.5119	4.42005	4.63999
8 h after dark	4.343086666666666	4.13443	4.531969999999999
12 h after dark	4.328236666666666	4.25599	4.389819999999999