| Bern | Sub-daily meteorological observations for Bern | 
| check_sef | Check compliance with SEF guidelines | 
| climatic_outliers | Climatic outliers test | 
| climexp_to_sef | Download a GHCN-Daily data file from the Climate Explorer and convert it into the Station Exchange Format | 
| convert_pressure | Convert pressure data to hPa | 
| daily_out_of_range | Daily big errors test | 
| daily_repetition | Daily repetition test | 
| duplicate_columns | Duplicate columns test | 
| duplicate_dates | Duplicate dates test | 
| duplicate_times | Duplicate times test | 
| impossible_values | Gross Errors Test for Cloud Cover and Relative Humidity. | 
| internal_consistency | Daily internal consistency test | 
| Meta | Metadata for the stations of Bern and Rosario de Santa Fe | 
| plot_daily | Plot daily data points | 
| plot_decimals | Plot decimals | 
| plot_subdaily | Plot sub-daily data points | 
| plot_weekly_cycle | Plot weekly cycle | 
| qc | Apply all tests | 
| read_meta | Read metadata from the Station Exchange Format version 1.0.0 | 
| read_sef | Read data files in Station Exchange Format version 1.0.0 | 
| Rosario | Daily and sub-daily meteorological observations for Rosario de Santa Fe (Argentina) | 
| subdaily_out_of_range | Sub-daily big errors test | 
| subdaily_repetition | Sub-daily repetition test | 
| temporal_coherence | Daily temporal coherence test | 
| Tests | Table of available qc tests | 
| Variables | Table of supported variable codes | 
| wmo_gross_errors | WMO Gross Errors Tests for Pressure, Temperature, Dew Point, and Wind Speed. | 
| wmo_time_consistency | WMO Time Consistency Test for Pressure, Temperature and Dew Point. | 
| write_flags | Add quality flags to a data file in Station Exchange Format version 1.0.0 | 
| write_sef | Write data in Station Exchange Format version 1.0.0 |