This file repository contains the following data files associated with “The Influence of Cloudiness on Hydrologic Fluctuations in the Mountains of the Western United States”, submitted to the Water Resources Research. 1. CC_CDEC&SNOTEL.bin : Binary file containing cloud cover indices (CC) for CDEC and SNOTEL snow pillow sites (Format: double, Size: 7305 x 235) 2. CC_CDEC&SNOTEL.mat : MATLAB file containing cloud cover indices (CC) for CDEC and SNOTEL snow pillow sites 3. CC_HCDN.bin : Binary file containing cloud cover indices (CC) for HCDN stream gauge sites (Format: double, Size: 7305 x 79) 4. CC_HCDN.mat : MATLAB file containing cloud cover indices (CC) for HCDN stream gauge sites 5. CDEC&SNOTEL_stations_coordinates.txt : Textfile containing the coordinates (latitudes, longitudes and elevations) of CDEC and SNOTEL snow pillow sites 6. HCDN_stations_coordinates.txt : Textfile containing the coordinates (latitudes, longitudes and elevations) of HCDN snow pillow sites