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Table 4 Temperatures recorded on Ħaġar Qim megaliths, with and without shelters (approximate values from thermal imaging)

From: Sheltering archaeological sites in Malta: lessons learnt

Date Time Shelter/no shelter Surface temperature recorded Comments
29 June 2005 9.30 am No shelter Up to 40 °C Very uneven heating
13 June 2012 9.27 am Sheltered ca 25 °C More even heating; air temperature 25 °C
13 June 2012 9.21 am Unsheltered area Up to 37 °C °C difference between two differently exposed areas