Erosion of the surface reveals several shades of light toned layers, likely sedimentary deposits, as shown in this image taken by the HiRISE camera on the Mars Reconnaissance Orbiter. via NASA http://www.nasa.gov/image-feature/the-red-planets-layered-history
With a high of 30F and a low of 17F. Current temp 21 Current condition Partly Cloudy. 
Sunrise at February 11, 2019 at 07:24AM sunset at February 11, 2019 at 05:57PM. Humidity 66%.