condition	mean	min	max
4 h after light	491.0	491.0	491.0
8 h after light	775.8	516.6	1035.0
12 h after light	769.1	505.0	1033.2
4 h after dark	686.35	327.0	1045.7
8 h after dark	400.20000000000005	378.8	421.6
12 h after dark	739.45	736.5	742.4