Land Surface Temperature is how how hot or cold it is on the ground. In the GIF it shows light blue,purple,red,orange and yellow. If its light blue then that's the coldest temperature in that spot. Also if its red or purple that's the like medium temperature on the ground. And if it's yellow or orange then it's the hottest temperature in that spot. This displays every month from 2019 so every time it changes that is a new month.