Thermal image of the water lake at the summit of Kīlauea

This thermal image of the water lake at the summit of Kīlauea was taken from the western caldera rim on July 31, 2020.  Warmer colors (yellow-orange) show higher temperatures, while cooler colors (blue) show lower temperatures.  The image indicates that the maximum temperatures on the lake surface at this time are about 82 C (180 F).  The cooler zones on the lake surface are patches of rising steam.