condition	mean	min	max
4 h after light	16.799973	13.746617	19.853329
8 h after light	15.8511465	15.053376	16.648917
12 h after light	13.9450755	13.707726	14.182425
4 h after dark	23.4916215	18.086832	28.896411
8 h after dark	26.642586	20.794231	32.490941
12 h after dark	18.112676	18.112676	18.112676