reference|http://artefacts.ceda.ac.uk/badc_datadocs/surface/code.html short_description|Present weather wmo_code|4677 long_description|Present weather reported from a manned station. codeTYPE|S @| Values 00|Cloud development not observed or not observable 01|Cloud generally dissolving or becoming less developed 02|State of sky on the whole unchanged 03|Clouds generally forming or developing 04|Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes 05|Haze 06|Widespread dust in suspension in the air, not raised by wind at or near the station at the time of observation 07|Dust or sand raised by wind at or near the station at the time of observation, but not well-developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen; or, in the case of ships, blowing spray at the station 08|Well-developed dust or sand whirl(s) seen at or near the station during the preceding hour or at the time of observation, but no dust storm or sandstorm 09|Duststorm or sandstorm within sight at the time of observation, or at the station during the preceding hour 10|Mist 11|Patches of shallow fog or ice fog at the station, whether on land or sea not deeper than about 2 metres on land or 10 metres at sea 12|More or less continuous shallow fog or ice fog at the station, whether on land or sea, not deeper than about 2m/land or 10m/sea 13|Lightning visible, no thunder heard 14|Precipitation within sight, not reaching the ground or the surface of the sea 15|Precipitation within sight, reaching the ground or the surface of the sea, but distant, i.e. > 5 km from the station 16|Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station 17|Thunderstorm, but no precipitation at the time of observation 18|Squalls at or within sight of the station during the preceding hour or at the time of observation 19|Funnel clouds at or within sight of the station during the preceding hour or at the time of observation 20|Drizzle (not freezing) or snow grains, not falling as showers, during the preceding hour but not at the time of observation 21|Rain (not freezing), not falling as showers, during the preceding hour but not at the time of observation 22|Snow, not falling as showers, during the preceding hour but not at the time of observation 23|Rain and snow or ice pellets, not falling as showers; during the preceding hour but not at the time of observation 24|Freezing drizzle or freezing rain; during the preceding hour but not at the time of observation 25|Shower(s) of rain during the preceding hour but not at the time of observation 26|Shower(s) of snow, or of rain and snow during the preceding hour but not at the time of observation 27|Shower(s) of hail, or of rain and hail during the preceding hour but not at the time of observation 28|Fog or ice fog during the preceding hour but not at the time of observation 29|Thunderstorm (with or without precipitation) during the preceding hour but not at the time of observation 30|Slight or moderate duststorm or sandstorm - has decreased during the preceding hour 31|Slight or moderate duststorm or sandstorm - no appreciable change during the preceding hour 32|Slight or moderate duststorm or sandstorm - has begun or has increased during the preceding hour 33|Severe duststorm or sandstorm - has decreased during the preceding hour 34|Severe duststorm or sandstorm - no appreciable change during the preceding hour 35|Severe duststorm or sandstorm - has begun or has increased during the preceding hour 36|Slight/moderate drifting snow - generally low (below eye level) 37|Heavy drifting snow - generally low (below eye level) 38|Slight/moderate blowing snow - generally high (above eye level) 39|Heavy blowing snow - generally high (above eye level) 40|Fog or ice fog at a a distance at the time of observation, but not at station during the preceding hour, the fog or ice fog extending to a level above that of the observer 41|Fog or ice fog in patches 42|Fog/ice fog, sky visible, has become thinner during the preceding hour 43|Fog/ice fog, sky invisible, has become thinner during the preceding hour 44|Fog or ice fog, sky visible, no appreciable change during the past hour 45|Fog or ice fog, sky invisible, no appreciable change during the preceding hour 46|Fog or ice fog, sky visible, has begun or has become thicker during preceding hour 47|Fog or ice fog, sky invisible, has begun or has become thicker during the preceding hour 48|Fog, depositing rime, sky visible 49|Fog, depositing rime, sky invisible 50|Drizzle, not freezing, intermittent, slight at time of ob. 51|Drizzle, not freezing, continuous, slight at time of ob. 52|Drizzle, not freezing, intermittent, moderate at time of ob. 53|Drizzle, not freezing, continuous, moderate at time of ob. 54|Drizzle, not freezing, intermittent, heavy at time of ob. 55|Drizzle, not freezing, continuous, heavy at time of ob. 56|Drizzle, freezing, slight 57|Drizzle, freezing, moderate or heavy (dense) 58|Rain and drizzle, slight 59|Rain and drizzle, moderate or heavy 60|Rain, not freezing, intermittent, slight at time of ob. 61|Rain, not freezing, continuous, slight at time of ob. 62|Rain, not freezing, intermittent, moderate at time of ob. 63|Rain, not freezing, continuous, moderate at time of ob. 64|Rain, not freezing, intermittent, heavy at time of ob. 65|Rain, not freezing, continuous, heavy at time of ob. 66|Rain, freezing, slight 67|Rain, freezing, moderate or heavy 68|Rain or drizzle and snow, slight 69|Rain or drizzle and snow, moderate or heavy 70|Intermittent fall of snowflakes, slight at time of ob. 71|Continuous fall of snowflakes, slight at time of ob. 72|Intermittent fall of snowflakes, moderate at time of ob. 73|Continuous fall of snowflakes, moderate at time of ob. 74|Intermittent fall of snowflakes, heavy at time of ob. 75|Continuous fall of snowflakes, heavy at time of ob. 76|Diamond dust (with or without fog) 77|Snow grains (with or without fog) 78|Isolated star-like snow crystals (with or without fog) 79|Ice pellets 80|Rain shower(s), slight 81|Rain shower(s), moderate or heavy 82|Rain shower(s), violent 83|Shower(s) of rain and snow, slight 84|Shower(s) of rain and snow, moderate or heavy 85|Snow shower(s), slight 86|Snow shower(s), moderate or heavy 87|Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed - slight 88|Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed - moderate or heavy 89|Shower(s) of hail, with or without rain or rain and snow mixed, not associated with thunder - slight 90|Shower(s) of hail, with or without rain or rain and snow mixed, not associated with thunder - moderate or heavy 91|Slight rain at time of observation - Thunderstorm during the preceding hour but not at time of observation 92|Moderate or heavy rain at time of observation - Thunderstorm during the preceding hour but not at time of observation 93|Slight snow, or rain and snow mixed or hail at time of observation - Thunderstorm during the preceding hour but not at time of observation 94|Moderate or heavy snow, or rain and snow mixed or hail at time of observation - Thunderstorm during the preceding hour but not at time of observation 95|Thunderstorm, slight or moderate, without hail, but with rain and/or snow at time of observation 96|Thunderstorm, slight or moderate, with hail at time of ob. 97|Thunderstorm, heavy, without hail, but with rain and/or snow at time of observation 98|Thunderstorm combined with dust/sandstorm at time of observation 99|Thunderstorm, heavy with hail at time of observation