State of the sky on the whole unchanged

(a)  

Clouds generally forming or developing.

(a)  

Haze

(a)  

Lightning visible, no thunder heard.

(a)  

Precipitation within sight, reaching the ground or the surface of the sea.

(a)  

Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. estimated to be more than 5 km from the station.

(a)  

Precipitation within sight, reaching the ground or the surface of the sea, near to but not at the station.

(a)  

Thunderstorm, but no precipitation at the time of observation.

(a)  

Rain (not freezing)

(at the station during the preceding hour but not at the time of observation)

(a)  

Shower(s) of rain.

(at the station during the preceding hour but not at the time of observation)

(a)  

Fog or ice fog.

(at the station during the preceding hour but not at the time of observation)

(a)  

Thunderstorm with or without precipitation.

(at the station during the preceding hour but not at the time of observation)

(a)  

Light Rain, not freezing, intermittent.

(at the time of observation)

(a)  

Light Rain, not freezing, continuous.

(at the time of observation)

(a)  

Moderate Rain, not freezing, intermittent.

(at the time of observation)

(a)  

Moderate Rain, not freezing, continuous.

(at the time of observation)

(a)  

Heavy Rain, not freezing, intermittent.

(at the time of observation)

(a)  

Heavy Rain, not freezing, continuous.

(at the time of observation)

(a)  

Rain shower(s), slight.

(with current or recent thunderstorm)

(a)  

Rain shower(s), moderate or heavy.

(with current or recent thunderstorm)

(a)  

Slight rain at the time of observation.

(Thunderstorm during the preceding hour but not at the time of observation)

(a)  

Moderate or heavy rain at the time of observation.

(Thunderstorm during the preceding hour but not at the time of observation)

(a)  

Thunderstorm, slight or moderate, without hail**, but with rain and/or snow at time of observation.

(Thunderstorm at time of observation)

(a)  

Thunderstorm, heavy, without hail**, but with rain and/or snow at time of observation.

(Thunderstorm at time of observation)

(a)