Regions extracted for Kyla Drushka's SWOT project:
~dmenemen/llc_4320/regions/WAcoast
~dmenemen/llc_4320/regions/OKMC
~dmenemen/llc_4320/regions/SPURS1
~dmenemen/llc_4320/regions/Tasmania

- extend the regional extractions to the full 14-month period

- extract the "bottom pressure" field (in addition to Eta, Theta, Salt, u,v)