METAR field description

Field #	Field Name	Description	Field Type	Units
1	raw_text	The raw METAR	string
2	station_id	Station identifier; Always a four character alphanumeric( A-Z, 0-9)	string
3	observation_time	Time( in ISO8601 date/time format) this METAR was observed.	string	ISO 8601 date/ time
4	latitude	The latitude (in decimal degrees )of the station that reported this METAR	float	decimal degrees
5	longitude	The longitude (in decimal degrees) of the station that reported this METAR	float	decimal degrees
6	temp_c	Air temperature	float	C
7	dewpoint_c	Dewpoint temperature	float	C
8	wind_dir_degrees	Direction from which the wind is blowing. 0 degrees=variable wind direction.	integer	degrees
9	wind_speed_kt	Wind speed; 0 degree wdir and 0 wspd = calm winds	integer	kts
10	wind_gust_kt	Wind gust	integer	kts
11	visibility_statute_mi	Horizontal visibility	float	statute miles
12	altim_in_hg	Altimeter	float	inches of Hg
13	sea_level_pressure_mb	Sea-level pressure	float	mb
14	quality_control_flags	Quality control flags provide useful information about the METAR station(s) that provide the data.	string
15	wx_string	wx_string descriptions	string
16	sky_cover	Sky cover, up to four levels of sky cover can be reported ; OVX present when vert_vis_ft is reported. Allowed values: SKC\|CLR\|CAVOK\|FEW\|SCT\|BKN\|OVC\|OVX	string
17	cloud_base_ft_agl	Height of cloud base in feet AGL. Up to four levels can be reported. A value exists when the corresponding skyCover='FEW','SCT','BKN', 'OVC'	integer	ft (AGL)
18	flight_category	Flight category of this METAR. Values: VFR\|MVFR\|IFR\|LIFR See http://adds.aviationweather.noaa.gov/metars/ description_ifr.php	string
19	three_hr_pressure_tendency_mb	Pressure change in the past 3 hours	float	mb
20	maxT_c	Maximum air temperature from the past 6 hours	float	C
21	minT_c	Minimum air temperature from the past 6 hours	float	C
22	maxT24hr_c	Maximum air temperature from the past 24 hours	float	C
23	minT24hr_c	Minimum air temperature from the past 24 hours	float	C
24	precip_in	Liquid precipitation since the last regular METAR	float	in
25	pcp3hr_in	Liquid precipitation from the past 3 hours. 0.0005 in = trace precipitation	float	in
26	pcp6hr_in	Liquid precipitation from the past 6 hours. 0.0005 in = trace precipitation	float	in
27	pcp24hr_in	Liquid precipitation from the past 24 hours. 0.0005 in = trace precipitation	float	in
28	snow_in	Snow depth on the ground	float	in
29	vert_vis_ft	Vertical Visibility	integer	ft
30	metar_type	METAR or SPECI	string
31	elevation_m	The elevation of the station that reported this METAR	float	meters

	NOAA's National Weather Service
	Aviation Weather Center Aviation Digital Data Service (ADDS)