* Updated STASH code to standard_name table (with thanks to Jeff Cole) * Fixed bug when comparing masked arrays for equality
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1.5.2
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**2017-03-17**
* Fixed bug when accessing PP file whose format/endian/word-size has been specified
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1.5.1
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**2017-03-14**
* Can specify 'pp' or 'PP' in um option to `cf.read`
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1.5
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**2017-02-24**
* Changed weights in calculation of variance to reliability weights (from frequency weights). This not only scientifically better, but faster, too.
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1.4
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**2017-02-22**
* Rounded datetime to time-since conversions to the nearest microsecond, to reflect the accuracy of netCDF4.netcdftime * Removed import tests from setup.py * New option --um to ``cfa``, ``cfdump`` * New parameter um to `cf.read`
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1.3.3
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**2017-01-31**
* Rounded datetime to time-since conversions to the nearest microsecond, to reflect the accuracy of netCDF4.netcdftime * Fix for netCDF4.__version__ > 1.2.4 do to with datetime.calendar *handle with care*