check_weather           Check weather records for data quality issues
day_length              The time elapsed in hours between the specified
                        sun angle from 90 degree in am and pm. +ve
                        above the horizon, -ve below the horizon.
interpolate_3hr         Interpolate 3-Hourly Temperature Values using
                        sine curve.
interpolation_function
                        Return a y value from a linear interpolation
                        function
last_frost_day          Calculate the last frost day
number_frost_day        Calculate the number of frost days
read_weather            Read weather records from a file list and/or a
                        folder list
summarise_weather       Summarise Weather Extremes and Key Indicators
thermal_time            Calculate thermal time using cardinal
                        temperatures
ttest_ts                Significantly t-test with auto-correlation for
                        time serial data
weather_options         tidyweather options
write_weather           Write weather data to file
