| b | blue sky |
| c | cloudy |
| bc | partly cloud sky |
| o | overcast sky |
| r | rain |
| R | heavy rain |
| s | snow |
| r/s | rain followed by snow |
| rs | sleet |
| m | mist |
| f | fog |
| F | heavy fog |
| m/f | mist followed by fog |
| d | drizzle |
| tlr | thunderstorm |
| h | hail |
| g | gale |
| G | heavy gale |
| q | squalls |
| Q | heavy squals |
| z | dust haze |
| var. | winds variable |
| CALM | wind force zero |