| import cdsapi | |
| import argparse | |
| def main(args): | |
| client = cdsapi.Client() | |
| variables = args.variables.split(',') | |
| for var in variables: | |
| request = { | |
| "product_type": ["monthly_averaged_reanalysis"], | |
| "variable": [var], | |
| "pressure_level": [ | |
| "200", "500", "700", | |
| "850", "1000" | |
| ], | |
| "year": [ | |
| "1940", "1941", "1942", | |
| "1943", "1944", "1945", | |
| "1946", "1947", "1948", | |
| "1949", "1950", "1951", | |
| "1952", "1953", "1954", | |
| "1955", "1956", "1957", | |
| "1958", "1959", "1960", | |
| "1961", "1962", "1963", | |
| "1964", "1965", "1966", | |
| "1967", "1968", "1969", | |
| "1970", "1971", "1972", | |
| "1973", "1974", "1975", | |
| "1976", "1977", "1978", | |
| "1979", "1980", "1981", | |
| "1982", "1983", "1984", | |
| "1985", "1986", "1987", | |
| "1988", "1989", "1990", | |
| "1991", "1992", "1993", | |
| "1994", "1995", "1996", | |
| "1997", "1998", "1999", | |
| "2000", "2001", "2002", | |
| "2003", "2004", "2005", | |
| "2006", "2007", "2008", | |
| "2009", "2010", "2011", | |
| "2012", "2013", "2014", | |
| "2015", "2016", "2017", | |
| "2018", "2019", "2020", | |
| "2021", "2022", "2023", | |
| "2024", "2025" | |
| ], | |
| "month": [ | |
| "01", "02", "03", | |
| "04", "05", "06", | |
| "07", "08", "09", | |
| "10", "11", "12" | |
| ], | |
| "time": ["00:00"], | |
| "data_format": "netcdf", | |
| "download_format": "unarchived" | |
| } | |
| filename = f"{var}.nc" | |
| print(f"Downloading data for variable {var}...") | |
| client.retrieve("reanalysis-era5-pressure-levels-monthly-means", request).download(filename) | |
| print(f"Downloaded {filename} successfully.") | |
| if __name__ == "__main__": | |
| parser = argparse.ArgumentParser(description="Download ERA5 monthly pressure data for specified variables.") | |
| parser.add_argument("--variables", type=str, required=True, help="Comma-separated list of variables to download (e.g., geopotential,specific_humidity,temperature,u_component_of_wind,v_component_of_wind)") | |
| args = parser.parse_args() | |
| main(args) |