Begin by logging into your SurveyMonkey account. Navigate to the survey you wish to export data from. Use the "�Export' option to download your survey responses. Choose a CSV format for easy handling and compatibility with PostgreSQL.

Open the exported CSV file using a spreadsheet application like Microsoft Excel or Google Sheets. Review the data for any inconsistencies or errors. Ensure that the column names are formatted correctly and are suitable as PostgreSQL table columns. Save the cleaned file, ensuring it remains in CSV format.

If not already done, install PostgreSQL on your machine or server. Initialize a database that will store your SurveyMonkey data. Create a new user with permissions to create tables and insert data. For example, use the following command in the PostgreSQL shell:
```sql
CREATE USER surveyuser WITH PASSWORD 'yourpassword';
CREATE DATABASE surveydb;
GRANT ALL PRIVILEGES ON DATABASE surveydb TO surveyuser;
```

Open the PostgreSQL command-line interface or a graphical tool like pgAdmin. Connect to your `surveydb` database. Create a table with columns that match those in your CSV file. Define appropriate data types for each column. For example:
```sql
CREATE TABLE survey_results (
id SERIAL PRIMARY KEY,
respondent_id INTEGER,
question_1 VARCHAR(255),
question_2 VARCHAR(255),
...
);
```

Use the PostgreSQL `COPY` command to import data from the CSV file into the newly created table. This command reads data from a file and writes it to a table. Execute the following command, adjusting file paths and table names as necessary:
```sql
COPY survey_results FROM '/path/to/your/file.csv' DELIMITER ',' CSV HEADER;
```
Ensure the file path is correct and accessible from the PostgreSQL instance.

After importing, verify that the data has been correctly transferred. Run `SELECT` queries to inspect the data in your PostgreSQL table. Check for any discrepancies or missing entries that may need manual correction.

If this data transfer is to be performed regularly, consider writing a script in a language like Python or Bash to automate steps 1 through 6. Use PostgreSQL libraries (like `psycopg2` for Python) to handle database connections and operations programmatically. This script can be scheduled using cron jobs or Windows Task Scheduler for periodic execution.

By following these steps, you can manually transfer data from SurveyMonkey to a PostgreSQL destination without relying on third-party connectors or integrations.