<p>Mt Ruapehu remains in a state of volcanic unrest. The temperature of the summit Crater Lake has declined slightly and is now 39 ºC, down from a high of 46 ºC. The Volcanic Alert Level remains at Level 2 (moderate to heightened unrest). The Aviation Colour Code is also unchanged at Yellow. GNS Science volcanologists continue to closely monitor Ruapehu through the GeoNet project. The Department of Conservation have issued a warning to climbers and trampers on Mt Ruapehu, not to enter the Summit Hazard Zone on the mountain until further notice.</p>