Hourly weather and soil temperature data from the LTER Moist AcidicTussock Experimental plots. In 1990 a Campbell CR21x data logger was installed in block 2 of the Toolik LTER experimental moist acidic tussock plots. The plots are located on a hillside near Toolik Lake (68 38' N, 149 36'W). Sensors were placed in control, fertilized, greenhouse, greenhouse fertilized, shade house and shade house fertilized sites.