CRUTSBbox               Download CRU TS climate data for a bounding box
CRUTSGeojson            Download CRU TS climate data for a GeoJSON
                        region
CheckSystemReadiness    Make sure that the system is ready for
                        varunayan operations
ClearCache              Clear cache
DescribeVariables       Describe ERA5 variables in detail
ERA5ifyBbox             Download and process ERA5 data for a bounding
                        box
ERA5ifyPoint            Download and process ERA5 data for a point
                        location
GetAvailablePressureLevels
                        Get the standard pressure levels that are
                        available in ERA5
GetCacheDir             Get cache directory path
GetERA5CountryTemperature
                        Get ERA5 temperature data for a country
GetERA5DailyClimate     Download daily ERA5 climate data
GetERA5DailyHeatIndexData
                        Download ERA5 data and calculate heat stress
                        indices
GetERA5DailyHumidity    Download daily ERA5 humidity data
GetERA5DailyTemperature
                        Download daily ERA5 temperature data
GetERA5DailyWetBulb     Download daily ERA5 wet bulb temperature data
GetERA5DailyWind        Download daily ERA5 wind data
GetERA5MonthlyHeatIndexData
                        Get monthly ERA5 heat stress index data
GetPackageInfo          Get package version information
HadEX3Bbox              Download HadEX3 data on climate extremes for a
                        bounding box
HadEX3Geojson           Download HadEX3 data on climate extremes for a
                        GeoJSON region
IMDExposureBbox         IMD heat exposure indicators for a bounding box
IMDRainfallBbox         Download and process IMD rainfall data for a
                        bounding box
IMDRainfallGeojson      Download and process IMD rainfall data for a
                        GeoJSON region
IMDRainfallPoint        Download and process IMD rainfall for a single
                        point (nearest grid cell)
IMDStations             IMD weather stations with coordinates
IMDTemperatureBbox      Download and process IMD temperature data for a
                        bounding box
IMDTemperatureGeojson   Download and process IMD temperature data for a
                        GeoJSON region
ListAvailableVariables
                        List all available variables for a dataset type
ListCRUTSVariables      Variable data dictionary for CRU TS
ListHadEX3Indices       List the available HadEX3 ETCCDI indices
PopulateSampleCache     Fill the cache with sample IMD data
SearchVariable          Search for ERA5 variables by keyword
SetupCdsCredentials     Configure CDS credentials for ERA5 data access
ShowCacheInfo           Show cache contents and statistics
aggregate_by_frequency
                        Aggregate data by temporal frequency
aggregate_imd_by_frequency
                        Aggregate IMD data by temporal frequency
aggregate_to_polygons   Aggregate gridded data to polygon regions
anomaly                 Departure from the mean over a baseline period
cache_stats             Get cache statistics
calc_heat_indices       Calculate all heat stress indices
categorize_variables    Sort variables by aggregation method
check_grid_coverage     Calculate the grid coverage statistics for
                        polygons
cleanup_temp_files      Delete temporary files that match a pattern
clear_timings           Clear all time data
combine_netcdf_files    Combine NetCDF files into one data.frame
compare                 Agreement statistics between two columns
compare_grids           Compare two or more grids
convert_to_geojson      Convert data to GeoJSON format
create_geojson_from_bbox
                        Create GeoJSON from bounding box coordinates
create_temp_geojson_file
                        Create temporary GeoJSON file
create_temporal_chunks
                        Divide large date ranges into temporal chunks
cross_correlation       Cross-correlation of two series
dewpoint_from_relative_humidity
                        Calculate dewpoint from temperature and
                        relative humidity
download_era5_pressure
                        Download ERA5 pressure-level data with ecmwfr
download_era5_single    Download ERA5 single-level data with ecmwfr
download_imd_rainfall   Download IMD gridded rainfall data
download_imd_temperature
                        Download IMD gridded temperature data
ensure_output_dir       Create the output directory if it does not
                        exist
excess_heat_factor      Excess Heat Factor
exclude_cols            Columns to exclude from aggregation
exposure_indicators     Heat exposure indicators
extract_point_data      Extract data for a specified point location
                        (nearest neighbor)
filter_dataframe_by_geojson
                        Filter data.frame by GeoJSON polygon
filter_imd_by_bbox      Filter IMD data by spatial boundaries
filter_imd_by_geojson   Filter IMD data by GeoJSON polygon
filter_netcdf_by_bbox   Filter NetCDF data by spatial boundaries
                        (bounding box)
filter_netcdf_by_geojson
                        Filter NetCDF data by GeoJSON polygon
format_date_range       Format date range for CDS API requests
format_pressure_levels
                        Convert pressure levels to the character format
                        necessary for the CDS API
get_available_datasets
                        Get available dataset types
get_bbox_from_sf        Get bounding box from sf object
get_cds_credentials     Get CDS API credentials from different sources
get_imd_grid_specs      Get IMD grid specifications
get_pressure_level_variable_names
                        Get all valid pressure-level variable names
get_pressure_level_variables
                        Get the dataset of pressure-level variables
get_single_level_variable_names
                        Get all valid single-level variable names
get_single_level_variables
                        Get the dataset of single-level variables
get_time_values         Get time values for a frequency
get_timings             Get all recorded time measurements
heat_index              Calculate heat index (apparent temperature)
heat_index_from_dewpoint
                        Calculate heat index from dewpoint
heat_index_risk_category
                        Heat index risk categories
heatwave_days           Heatwave days
humidex                 Calculate humidex (Canadian heat index)
imd_temperature_by_region
                        Download IMD temperature aggregated for each
                        GeoJSON feature (region x time)
imd_terrain             IMD heatwave terrain class of a location
india_elevation         Elevation of locations in India
is_max_var              Find if a variable uses maximum aggregation
is_min_var              Find if a variable uses minimum aggregation
is_rate_var             Find if a variable is a rate variable
is_sum_var              Find if a variable uses sum aggregation
is_valid_geojson        Find if data is valid GeoJSON
list_cache              List cached files
list_imd_datasets       List available IMD datasets
load_india_boundaries   Load India state or district boundaries
max_vars                Variables for maximum aggregation
mean_radiant_temperature
                        Estimate mean radiant temperature
min_vars                Variables for minimum aggregation
ndbi                    Normalized Difference Built-up Index
ndvi                    Normalized Difference Vegetation Index
parse_date_flexible     Parse a date string in different formats
peak_month              Month of the largest long-term mean
plot_bars               Bar chart coloured by value
plot_ccf                Stem plot of a cross-correlation
plot_dual_axis          Two series on a left and a right axis
plot_heatmap            Heat map of a matrix or of a long data frame
plot_map                Map one or more columns of gridded or polygon
                        data
plot_scatter            Scatter plot with the 1:1 line, r and bias
plot_series             Line plot, one line per group
print_timing_summary    Print a summary of the time data
process_imd_files       Process multiple IMD files
process_netcdf_to_dataframe
                        Extract data from a NetCDF file into a
                        data.frame
rate_vars               Rate variables to average
read_cdsapirc           Read CDS API credentials from ~/.cdsapirc file
read_imd_rainfall       Read IMD NetCDF rainfall file
read_imd_temperature    Read IMD binary temperature file
regrid                  Average onto a coarser regular grid
relative_humidity_from_dewpoint
                        Calculate relative humidity from temperature
                        and dewpoint
seasonal_cycle          Mean for each calendar month
seasonal_stat           Seasonal total or mean, averaged over years
spatial_mean            Spatial mean over grid points
sum_vars                Variables to sum over time
time_operation          Measure the time of an operation and record the
                        duration
utci                    Calculate UTCI (Universal Thermal Climate
                        Index)
utci_category           UTCI thermal stress categories
utci_sparse             Calculate UTCI with a sparse regression
                        approximation
validate_bbox           Make sure that bounding box coordinates are
                        valid
validate_coordinates    Make sure that geographic coordinates are valid
validate_era5_variables
                        Validate ERA5 variable names
vapor_pressure_from_dewpoint
                        Calculate vapor pressure from dewpoint
                        temperature
varunayan-aliases       PascalCase Aliases
visualize_grid_overlap
                        Show the overlap of grid points and polygons
warm_nights             Warm nights
wbgt                    Wet Bulb Globe Temperature
wbgt_from_dewpoint      Calculate WBGT from dewpoint
wbgt_liljegren          Outdoor Wet Bulb Globe Temperature (Liljegren
                        method)
wbgt_risk_category      Heat stress risk categories
wbgt_shade              Calculate shade/indoor Wet Bulb Globe
                        Temperature (ISO 7243)
wbgt_simple             Calculate WBGT (Wet Bulb Globe Temperature)
wet_bulb_from_dewpoint
                        Calculate wet bulb temperature from dewpoint
wet_bulb_temperature    Calculate wet bulb temperature
