def decompress_elements(elements):
    """
    Receives a tuple ('CE-2015-12', {'chuvas': [7.6], 'dengue': [29.0]})
    Returns a tuple ('CE', '2015', '11', '0.4', '21.0')
    """
    key, data = elements
    chuvas = data['chuvas'][0]
    dengue = data['dengue'][0]
    uf, year, month = key.split('-')
    return uf, year, month, str(chuvas), str(dengue)