method, link
"Relative humidity (%) and air temperature (Celcius) measured by Vaisala HMP45C.", http://www.campbellsci.com/hmp45c-l
"Wind speed (m/s) and wind run (m) measured by Met One 013A.", http://metone.com/meteorology.php
"Wind direction (degrees) measured by Met One 023A.", http://metone.com/meteorology.php
"Solar raditation average flux (W/m^2) measured by Kipp and Zonen CM3 Pyronometer.", http://www.campbellsci.com/cm3
"Snow depth and air temperature measured with Judd Communications ultrasonic depth sensor, using analog control.", http://www.juddcom.com/
"Precipitation measured in a Belfort 30 inch Alter-shielded precipitation gauge with Tedea-Huntleigh Model 1042 load cell."
"Snow weight is measured with a snow pillow to calculate Snow Water Equivalent (cm), WaterSaver 10 Foot Snow Pillow with Sensotec Pressure Transducer." 
"Data control and storage on Campbell Scientific CR10x datalogger.", http://www.campbellsci.com
"Program for data acquisition are located on UC Merced-SNRI digital library." https://eng.ucmerced.edu/snsjho/files/MHWG/Field/Southern_Sierra_CZO_KREW/Providence_Creek_Upper_Met/Meteorological_Station/Program