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) |