condition mean min max 0 h after light 0.08956205 0.0596371 0.119487 4 h after light 0.060766 0.0 0.121532 8 h after light 0.0295009 0.0 0.0590018 4 h after dark 0.175945 0.117605 0.234285 8 h after dark 0.265546 0.234941 0.296151 12 h after dark 0.3243205 0.291299 0.357342