regions to extract are listed here:
https://docs.google.com/spreadsheets/d/1FUJmQcwolWUpjhJy1WvYeFvqpDZIFFV0KrFA_7rOyhQ/edit?usp=sharing

Order of priority (also on the spreadsheet):

CONWEST_DYCO - site 1 GotlandBasin 17.0 to 21.2, 54.2 to 59.5

CONWEST_DYCO - site 2 Boknis 9.2 to 14.5, 53.5 to 58.0

New Caledonia NewCaledonia 166 to 171, -26 to -22

Northwest Australian Shelf NWAustralia 120.5 to 124.5, -15 to -11

Southern Ocean Flux Station SOFS 139 to 143, -49 to -45

Yongala national reference mooring Yongala 146.25 to 150.25, -20.5 to -16.5

Gulf Stream WestAtlantic -76.5 to -72, 32.7 to 38.7

ACC-SMST ACC_SMST 148 to 158, -57.5 to -53

for ts=dte2ts('30-Nov-2011',25,2011,9,10):144:dte2ts('30-Mar-2012',25,2011,9,10)
    fnm=[myint2str(ts,10) '_SIarea_2639.11273.1_204.465.1'];
    fld=readbin(fnm,[204 465]);
    if mmax(fld) >0
       disp(ts2dte(ts,25,2011,9,10))
    end
end