| Element | explanation | Element | explanation | ||
|---|---|---|---|---|---|
| ALTP | altimeter setting | C2C3 | sky cover 1st 2 & 1st 3 layers | ||
| CC51 | sky condition pre-JUN 1951 | CLC1 | 1st cloud layer amount | ||
| CLC2 | 2nd cloud layer amount | CLC3 | 3rd cloud layer amount | ||
| CLC4 | 4th cloud layer amount | CLHT | ceiling height | ||
| CLT1 | 1st cloud layer type & Z | CLT2 | 2nd cloud layer type & Z | ||
| CLT3 | 3rd cloud layer type & Z | CLT4 | 4th cloud layer type & Z | ||
| DPTP | dew point temperature | DRAD | direct radiation | ||
| GRAD | global radiation | HZVS | horizontal visibility | ||
| PRES | station pressure | PWTH | present weather | ||
| RHUM | relative humidity | SLVP | sea level pressure | ||
| TMPD | dry bulb temperature | TMPW | wet bulb temperature | ||
| TSKC | total & opaque sky cover | WD16 | 16pt WBAN direction speed | ||
| WIND | wind direction and speed | other | unknown types (usually CLCn or CLTn) | ||