Jul 4, 2022 o3skim provides the tools to preprocess, standarise and reduce ozone data for later transfer and plot. It is a part of the O3as service, a service to efficiently explore ozone projections, including the calculation of key metrics. o3skim documentation is available in https://o3as.readthedocs.io/en/latest/o3skim/docs/index.html Changes since 0.4.0: Added Adapt standardization to NetDCF Conventions Add filter for CF Conventions attributes Add reduced datasets for testing Formatting compression in some models Add tests to load all CCMI-1 models Add loading and testing for SBUV, ESACCI_DLR datasets Add sandbox script to generate mock data Changed Replace back iris by xarray with cf_xarray Replace o3mocks by specific small cf_datasets Restructure tests Improve documentation with skimming examples Fixed Fix requirements and dependencies Fix mean of time with cftime.datetime variables