condition	mean	min	max
4 h after light	23.13915	20.188	26.0903
8 h after light	18.146099999999997	17.6894	18.6028
12 h after light	21.0217	20.987	21.0564
4 h after dark	28.646266666666666	27.8842	29.8246
8 h after dark	29.9911	29.6044	30.3585
12 h after dark	26.5514	24.5718	27.9915