Size-resolved measurements of atmospheric aerosol and cloud condensation nuclei (CCN) concentrations and hygroscopicity were conducted over a full seasonal cycle at the remote Amazon Tall Tower Observatory (ATTO. March 2014–February 2015). In a preceding companion paper. we presented annually and seasonally averaged data and parametrizations (Part 1; Pöhlker et al. https://foldlyers.shop/product-category/hair-curlers/