03/01/2002

		 GSN MONTHLY METEOROLOGICAL DATA FORMAT

ONE HEADER RECORD FOLLOWED BY DATA RECORDS:

FORMAT WITHOUT STATION NAME:

COLUMN	DATA DESCRIPTION

01-05	WMO STATION INDENTIFIER
07-10	YEAR
12-13	MONTH
15-16  	RECORD CODE (99)
18-19	MEAN MONTHLY MONTHLY TEMPERATURE CODE (91) 
21-26	METEOROLOGICAL VALUE FOR MEAN MONTHLY TEMPERATURE (CELSIUS C)
28-29	MEAN MONTHLY MAXIMUM TEMPERATURE CODE (92)
31-36 	METEOROLOGICAL VALUE FOR MEAN MONTHLY MAXIMUM TEMPERATURE (CELSIUS C)
38-39  	MEAN MONTHLY MINIMUM TEMPERATURE CODE (93)
41-46 	METEOROLOGICAL VALUE FOR MEAN MONTHLY MINIMUM TEMPERATURE (CELSIUS C)
48-49	MEAN MONTHLY STATION PRESSURE CODE (94)
51-56	METEOROLOGICAL VALUE FOR MEAN MONTHLY STATION PRESSURE (hPa)	
58-59	MEAN MONTHLY STATION PRESSURE CORRECTED TO SEA LEVEL CODE (95)
61-66	METEOROLOGICAL VALUE FOR MEAN MONTHLY STATION PRESSURE CORRECTED TO SEA LEVEL (hPa)
68-69	TOTAL MONTHLY PRECIPITATION CODE (96)
71-76	METEOROLOGICAL VALUE FOR TOTAL MONTHLY PRECIPITATION (MILLIMETERS mm)


FORMAT WITH STATION NAME:

COLUMN  DATA DESCRIPTION

01-05   WMO STATION INDENTIFIER
07-36	STATION NAME
38-41   YEAR
43-44   MONTH
46-47   RECORD CODE (99)
49-50   MEAN MONTHLY MONTHLY TEMPERATURE CODE (91)
52-57   METEOROLOGICAL VALUE FOR MEAN MONTHLY TEMPERATURE (CELSIUS C)
59-60   MEAN MONTHLY MAXIMUM TEMPERATURE CODE (92)
62-67   METEOROLOGICAL VALUE FOR MEAN MONTHLY MAXIMUM TEMPERATURE (CELSIUS C)
69-70   MEAN MONTHLY MINIMUM TEMPERATURE CODE (93)
72-77   METEOROLOGICAL VALUE FOR MEAN MONTHLY MINIMUM TEMPERATURE (CELSIUS C)
79-80   MEAN MONTHLY STATION PRESSURE CODE (94)
82-87   METEOROLOGICAL VALUE FOR MEAN MONTHLY STATION PRESSURE (hPa)
89-90   MEAN MONTHLY STATION PRESSURE CORRECTED TO SEA LEVEL CODE (95)
92-97   METEOROLOGICAL VALUE FOR MEAN MONTHLY STATION PRESSURE CORRECTED TO SEA LEVEL (hPa)
99-100 	TOTAL MONTHLY PRECIPITATION CODE (96)
102-107 METEOROLOGICAL VALUE FOR TOTAL MONTHLY PRECIPITATION (MILLIMETERS mm)