reference|fhttps://www.wmo.int/pages/prog/www/WMOCodes/WMO306_vI1/Publications/2016update/WMO306_vI1_en_2011UP2016.pdf
short_description|Ground_state
wmo_code|0901
long_description|State of the ground without snow or measurable ice cover
codeTYPE|S
@| Values
0|Surface of ground dry (without cracks and no appreciable amount of dust or loose sand)
1|Surface of ground moist2 Surface of ground wet (standing water in small or large pools on surface)
3|Flooded
4|Surface of ground frozen
5|Glaze on ground
6|Loose dry dust or sand not covering ground completely
7|Thin cover of loose dry dust or sand covering ground completely
8|Moderate or thick cover of loose dry dust or sand covering ground completely
9|Extremely dry with cracks