condition	mean	min	max
4 h after light	66.69765000000001	66.644	66.7513
8 h after light	53.88105	49.2849	58.4772
12 h after light	58.8793	56.7111	61.0475
4 h after dark	68.98060000000001	63.9577	74.0035
8 h after dark	80.20005	78.3683	82.0318
12 h after dark	79.3648	77.7437	80.9859