Over the last five years, the annual temperature has increased by 1.6 ° C compared to 1961-1990; the amount of rain decreased by 5.6% compared to the same period. In 2015, a record year, there were 18 days "hot" days, meaning that the average daily temperature was at or above 30 ° C. In Luxembourg, twenty-five indicators have been selected to reflect the relationship between human activities and climate change.