condition	mean	min	max
4 h after light	18.605823	18.529222	18.682424
8 h after light	16.9764775	15.423733	18.529222
12 h after light	16.774628	15.020034	18.529222
4 h after dark	17.8615955	17.193969	18.529222
8 h after dark	20.280627000000003	19.547446	21.013808
12 h after dark	23.357985	23.357985	23.357985