condition mean min max 3 h after light 0.0 0.0 0.0 6 h after light 0.034414 0.0 0.103242 9 h after light 0.0 0.0 0.0 12 h after light 0.0 0.0 0.0 3 h after dark 0.0619758 0.0 0.132016 6 h after dark 0.099724 0.050509 0.135961 9 h after dark 0.1277366 0.0 0.32616 12 h after dark 0.19135503333333334 0.0557071 0.280677