Soil temperature is measured in 0.00, 0.25, 0.50, 0.75, 1.00, 1.50, 2.00, 2.50, 3.00, 3.50, 4.00, 4.50, 6.00, 8.00, 10.00, 12.00, 14.00, 16.00, 18.00, 18.30 meters below the surface on a Cassiope heath, just North of the Climate station. The site is called 'MetStation'. Temperature is recorded every hour. Measurements were initiated in september 2012. Blank cells are missing data. Temperature is measured with Geo-Precision thermistor strings.