"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"
