User talk:Davidyin7566/sandbox

Origin of name
In 1928, the Mineral scientist Jinglan Feng Noticed the widespread distribution of the red gluten layer. Jinglan Feng realized that this is a brand new landform and haven't been named. He decided to name it as DanXia, which come from the word in the ancient Chinese poem of CaoPi " Hibiscus Pool Poetry". The name "Dan Xia" refers to "丹（vermilion）霞（sunglow）" in Chinese.

Climate
Mount of Danxia locate at the southern side of the Nanling Mountains, and it is in the subtropical southern margin, which is the subtropical humid climate.

Temperature
The annual average temperature of Danxia Mountain is 19.7 °C, the extreme minimum temperature is -5.4 °C, the extreme maximum temperature is 40.9 °C, and the maximum monthly average day is 18.8 °C. The hottest month is July which has an average temperature of 28.3 °C, and the coldest month has an average temperature of 9.5 °C. The average temperature in autumn is higher than spring's.

Sunshine
The total annual hour of sunshine in Danxia Mountain is 1,721 hours annually, the solar radiation is 107.2 kcal/cm 2, and the average sunshine hours are 4.7 hours per day. More sunshine for July to September, less for February to April.

Precipitation
The daily average precipitation is 1715mm, and the precipitation period is 172 days annually. The precipitation from March to August is about the 75% of total precipitation in a year, and the most concentrated precipitation is from April to June, which is about 48% precipitation of a year.The maximum annually precipitation in history is 2185mm 1994, and the minimum precipitation is 1150 mm in 1963.

Humidity
The average absolute humidity of Danxia mount is 19.8mb, and the relative humidity is 81%.