Rhodochrosite: Specimen of rhodochrosite from the Sunnyside Mine, San Juan County, Colorado. Rhodochrosite is a manganese carbonate mineral (MnCO3) that is used as an ore of manganese and is also cut as a gemstone.
Climate for Juneau, Alaska. Juneau's coldest month is January when the average temperature overnight is 20.7Â°F. In July, the warmest month, the average day time temperature rises to 64.3Â°F. The driest month in Juneau is April with 2.96 inches of precipitation, and with 8.30 inches October is the wettest month.
Juneau averages over 50 inches (1,270 mm) of precipitation a year, while other areas in southeast Alaska receive over 275 inches (6,980 mm). South central Alaska does not get nearly as much rain as the southeast of Alaska, though it does get more snow.On average, Anchorage receives 16 inches (406 mm) of precipitation a year, with around 75 inches (1,905 mm) of snow.The northern coast of the Gulf of Alaska receives up to 150 inches (3,800 mm) of precipitation annually.ake-effect snows add to precipitation potential downwind of the Great Lakes, as well as Great Salt Lake and the Finger Lakes during the cold season. The snow to liquid ratio across the contiguous United States averages 13:1, meaning 13 inches (330 mm) of snow melts down to 1 inch (25 mm) of water.