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Extracting date of first and last frost

Added by Guillaume Mauger almost 10 years ago

Hi --

I'm using cdo commands to get the length of the frost season ('eca_fd', 'eca_cfd'), but would also like to extract the timing of the first and last days of frost. Specifically, I'd like to extract:
  1. the first day with T<0C
  2. the last day with T<0C

I could use 'cdo lec,0 ifile.nc', but can't find a way to go from there to calculating the date of first occurrance of T<0. Does anyone have a suggestion?

Thanks,
Guillaume