| Mnemonic |
Description |
Units |
Value |
| STID |
Ship or Station ID |
CCITT IA5 |
civals (icstid) |
| SLAT |
Latitude |
Degrees |
rivals (irslat) |
| SLON |
Longitude |
Degrees |
rivals (irslon) |
| SELV |
Elevation |
Meters |
rivals (irselv) |
| YDGT |
Units Digit of Report Year |
Numeric |
rivals (irydgt) |
| MNTH |
Report Month |
Month |
rivals (irmnth) |
| DAYS |
Report Day |
Day |
rivals (irdays) |
| HOUR |
Report Hour |
Hour |
rivals (irhour) |
| MINU |
Report Minute |
Minute |
rivals (irminu) |
| IUWS |
Indicator for units of wind speed and type of instrumentation |
WMO Code Table 1853 |
rivals (iriuws) |
| DRCT |
Wind direction |
Degrees true |
rivals (irdrct) |
| SPED |
Wind speed |
Meters / Sec |
rivals (irsped) |
| TMPC |
Temperature |
Degrees Celsius |
rivals (irtmpc) |
| SSTC |
Sea surface temperature |
Degrees Celsius |
rivals (irsstc) |
| IDGT |
Indicator for digitization |
WMO Code Table 2262 |
rivals (iridgt) |
| IWTM |
Instrument type for water temperature profile measurement |
WMO Code Table 1770 |
rivals (iriwtm) |
| WTMR |
Water temperature profile recorder type |
WMO Code Table 4770 |
rivals (irwtmr) |
| TOWD |
Total water depth |
Meters |
rivals (irtowd) |
| MCMS |
Indicator for method of current measurement |
WMO Code Table 2266 |
rivals (irmcms) |
| MSDM |
Method of salinity/depth measurement |
WMO Code Table 2263 |
rivals (irmsdm) |
| UCSP |
Indicator for units of sea-surface current speed |
WMO Code Table 1833 |
rivals (irucsp) |
| MRMV |
Method of removing velocity and motion of platform from current measurement |
WMO Code Table 2267 |
rivals (irmrmv) |
| POCM |
Period of current measurement (drift method) |
WMO Code Table 2265 |
rivals (irpocm) |
| DTCC |
Duration and time of current measurement |
WMO Code Table 2264 |
rivals (irdtcc) |
| NDTS |
Number of depths - temperature and salinity |
Numeric |
rivals (irndts) |
| DBSS |
Depth below sea/water surface - temperature and salinity |
Meters |
rivals (irdbss(1:NDTS)) |
| STMP |
Sea temperature at specified depth |
Celsius |
rivals (irstmp(1:NDTS)) |
| SALN |
Salinity at significant or selected depths |
Hundredths of a part per thousand (%) |
rivals (irsaln(1:NDTS)) |
| NDDC |
Number of depths - current |
Numeric |
rivals (irnddc) |
| DBSC |
Depth below sea/water surface - current |
Meters |
rivals (irdbss(1:NDDC)) |
| DROC |
Direction of current |
Degrees true |
rivals (irdroc(1:NDDC)) |
| SPOC |
Speed of current |
Meters per second |
rivals (irspoc(1:NDDC)) |
| NTRK |
Number of TRACKOB parameters with averaging periods |
Numeric |
rivals (irntrk) |
| AVGP |
Averaging periods of TRACKOB parameters |
WMO Code Table 2604 |
rivals (iravgp(1:NTRK)) |
weather.gov 
