condition mean min max 4 h after light 7.1667950000000005 7.09211 7.24148 8 h after light 5.13083 4.21337 6.04829 12 h after light 5.913245 5.13963 6.68686 4 h after dark 4.466093333333333 3.57145 5.89172 8 h after dark 4.44942 4.30688 4.53984 12 h after dark 5.713396666666666 4.67022 6.28965