condition mean min max 0 h after light 0.062547 0.0 0.125094 4 h after light 0.063617 0.0 0.127234 8 h after light 0.0 0.0 0.0 4 h after dark 0.0613195 0.0 0.122639 8 h after dark 0.617503 0.614912 0.620094 12 h after dark 0.124703 0.0 0.249406