import cdsapi

c = cdsapi.Client()

c.retrieve(
    'satellite-methane',
    {
        'format':'zip',
        'variable':'ch4',
        'sensor_and_algorithm':'iasi_metop_a_nlis',
        'year':'2008',
        'month':'01',
        'day':'01',
        'version':'8.4',
        'processing_level':'level_2'
    },
    '../archives/sat_obs/17_sat_obs-A-satellite-methane-ch4.zip')

    # {
    #     'format':'zip',
    #     'processing_level':'level_2',
    #     'variable':'ch4',
    #     'sensor_and_algorithm':'iasi_metop_a_nlis',
    #     'year':'2008',
    #     'month':'01',
    #     'day':'01'
    # },
