Temperature and heating-induced temperature differences were measured along a chain of thermistors. SIMBA DS2016 is an autonomous instrument that was installed on landfast ice in Prydz Bay, East Antarctica, in May 2016. The buoy was deployed at 68.57°S; 77.95°E, ~1 km northwest off Australian Station Davis Coast with initial thicknesses of snow and ice of 0.06 and 0.80 m, respectively, on 23 May 2016. The thermistor chain was 5 m long and included 240 sensors with a regular spacing of 2cm. The resulting time series describes the evolution of temperature and temperature differences after two heating cycles of 30 and 120 s as a function of depth and time between 23 May and 27 October 2016 in sample intervals of 6 hours for temperature and 24 hours for temperature differences.