condition mean min max 0 h after light 0.0 0.0 0.0 4 h after light 0.0 0.0 0.0 8 h after light 0.0 0.0 0.0 4 h after dark 0.2039705 0.136338 0.271603 8 h after dark 0.0 0.0 0.0 12 h after dark 0.0 0.0 0.0