{ "0":"Cloud development not observed or not observable - Characteristic change of the state of sky during the past hour", "1":"Clouds generally dissolving or becoming less developed - Characteristic change of the state of sky during the past hour", "2":"State of sky on the whole unchanged - Characteristic change of the state of sky during the past hour", "3":"Clouds generally forming or developing - Characteristic change of the state of sky during the past hour", "4":"Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes", "5":"Haze", "6":"Widespread dust in suspension in the air, not raised by wind at or near the station at the time of observation", "7":"Dust or sand raised by wind at or near the station at the time of observation, but no welldeveloped dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen; or, in the case of sea stations and coastal stations, blowing spray at the station", "8":"Well-developed dust whirl(s) or sand whirl(s) seen at or near the station during the preceding hour or at the same time of observation, but no duststorm or sandstorm", "9":"Duststorm or sandstorm within sight at the time of observation, or at the station during the preceding hour", "10":"Mist", "11":"Patches - 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 2 metres on land or 10 metres at 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. estimated to be more than 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 but not at the time of observation", "19":"Funnel cloud(s)2 - at or within sight of the station during the preceding hour but not at the time of observation", "20":"Drizzle (not freezing) or snow grains - not falling as showers", "21":"Rain (not freezing) - not falling as showers", "22":"Snow - not falling as showers", "23":"Rain and snow or ice pellets - not falling as showers", "24":"Freezing drizzle or freezing rain - not falling as showers", "25":"Shower(s) of rain - not falling as showers", "26":"Shower(s) of snow, or of rain and snow ", "27":"Shower(s) of hail, or of rain and hail", "28":"Fog or ice fog", "29":"Thunderstorm (with or without precipitation", "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 preceeding hour", "32":"Slight or moderate duststorm or sandstorm - has begun or 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 or moderate drifting snow - generally low (below eye level)", "37":"Heavy drifting snow - generally low (below eye level)", "38":"Slight or moderate drifting snow - generally high (above eye level)", "39":"Heavy drifting snow - generally high (above eye level)", "40":"Fog or ice fog at a distance at the time of observation, but not at the 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 or ice fog, sky visible - has become thinner during the preceding hour", "43":"Fog or ice fog, sky invisible - has become thinner during the preceding hour", "44":"Fog or ice fog, sky visible - no appreciable change during the preceding 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 the preceding hour", "47":"Fog or ice fog, sky invisible", "48":"Fog, depositing rime, sky visible", "49":"Fog, depositing rime, sky invisible", "50":"Drizzle, not freezing, intermittent - slight at the time of observation", "51":"Drizzle, not freezing, continuous - slight at the time of observation", "52":"Drizzle, not freezing, intermittent - moderate at the time of observation", "53":"Drizzle, not freezing, continuous - moderate at the time of observation", "54":"Drizzle, not freezing, intermittent - heavy (dense) at the time of observation", "55":"Drizzle, not freezing, continuous - heavy (dense) at the time of observation", "56":"Drizzle, freezing, slight", "57":"Drizzle, freezing, moderate or heavy (dense)", "58":"Drizzle and rain, slight", "59":"Drizzle and rain, moderate or heavy", "60":"Rain, not freezing, intermittent - slight at time of observation", "61":"Rain, not freezing, continuous - slight at time of observation", "62":"Rain, not freezing, intermittent - moderate at time of observation", "63":"Rain, not freezing, continuous - moderate at time of observation", "64":"Rain, not freezing, intermittent - heavy at time of observation", "65":"Rain, not freezing, continuous - heavy at time of observation", "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 observation", "71":"Continuous fall of snowflakes - slight at time of observation", "72":"Intermittent fall of snowflakes - moderate at time of observation", "73":"Continuous fall of snowflakes - moderate at time of observation", "74":"Intermittent fall of snowflakes - heavy at time of observation", "75":"Continuous fall of snowflakes - heavy at time of observation", "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 mixed, slight", "84":"Shower(s) of rain and snow mixed, 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", "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 hail3 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 hail3 at time of observation of observation - Thunderstorm during the preceding hour but not at time of observation", "95":"Thunderstorm, slight or moderate, without hail3, but with rain and/or snow at time of observation - Thunderstorm at time of observation", "96":"Thunderstorm, slight or moderate, with hail3 at time of observation - Thunderstorm at time of observation", "97":"Thunderstorm, heavy, without hail3, but with rain and/or snow at time of observation - Thunderstorm at time of observation", "98":"Thunderstorm combined with duststorm or sandstorm at time of observation - Thunderstorm at time of observation", "99":"Thunderstorm, heavy, with hail3 at time of observation - Thunderstorm at time of observation" }