Data generated for“Disentangling Bimodal and Unimodal Patterns in the Diurnal Cycle of Low clouds and Their Meteorological Drivers at SACOL”

This dataset is derived from Ka-band Zenith Radar observations conducted at the Semi-Arid Climate and Environment Observatory of Lanzhou University (SACOL) from 2014 to 2019. It provides the diurnal variation of low cloud frequency, converted to local time, and is categorized by year.