Interface Output from the NCEP Supplementary Climatological Data Decoder

Mnemonic	Description	Units	Value
YEAR	Report year	Year	rivals (iryear)
MNTH	Report month	Month	rivals (irmnth)
DAYS	Report day	Day	rivals (irdays)
HOUR	Report hour	Hour	rivals (irhour)
MINU	Report minute	Minute	rivals (irminu)
P06I	6 hour precipitation	Inches	rivals (irp06i)
P24I	24 hour precipitation	Inches	rivals (irp24i)
SNOW	Total snow amount	Inches	rivals (irsnow)
SNEW	Depth of fresh snow	Inches	rivals (irsnew)
WEQS	Water equivalent of ground snow	Inches	rivals (irweqs)
CTYL	Low-level cloud type	WMO Code Table 0513	rivals (irctyl)
CTYM	Mid-level cloud type	WMO Code Table 0515	rivals (irctym)
CTYH	High-level cloud type	WMO Code Table 0509	rivals (irctyh)
CFRT	Total Cloud Cover	WMO Code Table 2700	rivals (ircfrt)
CFRL	Low or middle cloud amount	WMO Code Table 2700	rivals (ircfrl)
CBAS	Base height of lowest cloud	WMO Code Table 1600	rivals (ircbas)
MSUN	Duration of sunshine	Minutes	rivals (irmsun)
TDXC	24 hour maximum temperature	Degrees Celsius	rivals (irtdxc)
TDNC	24 hour minimum temperature	Degrees Celsius	rivals (irtdnc)
SLAT	Station latitude	Degrees	rivals (irslat)
SLON	Station longitude	Degrees	rivals (irslon)
SELV	Station elevation	Meters	rivals (irselv)
NPWX	Number of weather groups	Numeric	rivals (irnpwx)
WCOD	Weather character string	CCITT IA5	civals (icwcod(1:NPWX))
STID	Station identifier	CCITT IA5	civals (icstid)