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Some of the parameters use codes instead of values. The codes currently in the system are listed below.



Precip_past1h & precip_past24h

The parameters precip_past1h and precip_past24h returns the amount of precipitation within the given period in kg/m2 with the exception of the codes listed below. 

CodeValue
-0.1

traces of precipitation, less than 0.1 kg/m2

Snow_depth_man

The parameter snow_depth_manual returns the snow depth in cm with the exception of the codes listed below.

CodeValue
-1<0.5 cm

Wind_dir

The parameter wind_dir returns the direction from which the wind blows in degrees, where north is given as 360.

CodeValue
0calm

Cloud_cover

The parameter cloud_cover is given in oktas (eights). 

CodeValue
0
101 okta or less, but not zero
252 oktas
403 oktas
504 oktas
605 oktas
756 oktas
907 oktas or more, but not 8 oktas
1008 oktas
112Sky obscured by fog and/or other meteorological phenomena


Weather

Codes 100-149     No precipitation at the station at the time of observation
Codes 100-119     No precipitation, fog, ice fog (except for 111 and 112), duststorm, sandstorm, drifting or blowing snow at the station at the time of observation or, except for 109 and 117, during the preceding hour.

CodeValue
100Cloud development not observed or not observableCharacteristic change of the state of sky during the past hour


101Clouds generally dissolving or becoming less developed
102State of sky on the whole unchanged
103Clouds generally forming or developing
104Visibility reduced by smoke, e.g. veldt or forest fires, industrial smoke or volcanic ashes
105Haze
106Widespread dust in suspension in the air, not raised by wind at or near the station at the time of observation
107Dust or sand raised by wind at or near the station at the time of observation, but no well developed dust whirl(s) or sand whirl(s), and no duststorm or sandstorm seen
108Well developed dust whirl(s) or sand whirl(s) seen at or near the station during the preceding hour or at the time ot observation, but no duststorm or sandstorm
109Duststorm or sandstorm within sight at the time of observation, or at the station during the preceding hour
110Mist
111Patchesshallow 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
112More or less continuous
113Lightning visible, no thunder heard
114Precipitation within sight, not reaching the ground or the surface of the sea
115Precipitation 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
116Precipitation within sight, reaching the ground or the surface of the sea, near to, but not at the station
117Thunderstorm, but no precipitation at the time of observation
118Squallsat or within sight of the station during the preceding hour or at the time of observation
119Funnel cloud(s) (tornado cloud or water-spout)

Codes 120-129     Precipitation, fog, ice fog og thunderstorm at the station during the preceding hour but not at the time of observation.

CodeValue
120Drizzle (not freezing) or snow grainsnot falling as shower(s)


121Rain (not freezing)
122Snow
123Rain and snow or ice pellets
124Freezing drizzle or freezing rain
125Shower(s) of rain
126Shower(s) of snow, or of rain and snow
127Shower(s) of hail*, or of rain and hail*
128Fog or ice fog
129Thunderstorm (with or without precipitation)

*Hail, small hail, snow pellets.

Codes 130-139    Duststorm, sandstorm, drifting or blowing snow

CodeValue
130Slight or moderate duststorm or sandstorm- has decreased during the preceding hour
131- no appreciable change during the preceding hour
132- has begun or has increased during the preceding hour
133Severe duststorm or sandstorm- has decreased during the preceding hour
134- no appreciable change during the preceding hour
135- has begun or has increased during the preceding hour
136Slight or moderate blowing snowgenerally low (below eye level)
137Heavy drifting snow
138Slight or moderate blowing snowgenerally high (above eye level)
139Heavy drifting snow

Codes 140-149    Fog or ice fog at the time of observations

CodeValue
140Fog 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
141Fog or ice fog in patches
142Fog or ice fog, sky visiblehas become thinner during the preceding hour
143Fog or ice fog, sky invisible
144Fog or ice fog, sky visibleno appreciable change during the preceding hour
145Fog or ice fog, sky invisible
146Fog or ice fog, sky visiblehas begun or has become thicker during the preceding hour
147Fog or ice fog, sky invisible
148Fog, depositing rime, sky visible
149Fog, depositing rime, sky invisible

Codes 150-199    Precipitation at the station at the time of observation

Code 150-159     Drizzle

CodeValue
150Drizzle, not freezing, intermittentslight at time of observation
151Drizzle, not freezing, continuous
152Drizzle, not freezing, intermittentmoderate at time of observation
153Drizzle, not freezing, continuous
154Drizzle, not freezing, intermittentheavy (dense) at time of observation
155Drizzle, not freezing, continuous
156Drizzle, freezing, slight
157Drizzle, freezing, moderate or heavy (dense)
158Drizzle and rain, slight
159Drizzle and rain, moderate or heavy

Codes 160-169    Rain

CodeValue
160Rain, not freezing, intermittentslight at time of observation
161Rain, not freezing, continuous
162Rain, not freezing, intermittentmoderate at time of observation
163Rain, not freezing, continuous
164Rain, not freezing, intermittentheavy at time of observation
165Rain, not freezing, continuous
166Rain, freezing, slight
167Rain, freezing, moderate or heavy (dense)
168Rain or drizzle and snow, slight
169Rain or drizzle and snow, moderate or heavy

Codes 170-179   Solid precipitation not in showers

CodeValue
170Intermittent fall of snowflakesslight at time of observation
171Continuous fall of snowflakes
172Intermittent fall of snowflakesmoderate at time of observation
173Continuous fall of snowflakes
174Intermittent fall of snowflakesheavy at time of observation
175Continuous fall of snowflakes
176Diamond dust (with or without fog)
177Snow grains (with or without fog)
178Isolated star-like snow crystals (with or without fog)
179Ice pellets

Codes 180-199   Showery precipitation, or precipitation with current or recent thunder

CodeValue
180Rain shower(s), slight
181Rain shower(s), moderate or heavy
182Rain shower(s), violent
183Shower(s) of rain and snow mixed, slight
184Shower(s) of rain and snow mixed, moderate or heavy
185Snow shower(s), slight
186Snow shower(s), moderate or heavy
187Shower(s) of snow pellets or small hail, with or without rain or rain and snow mixed- slight
188- moderate or heavy
189Shower(s) of hail, with or without rain or rain and snow mixed, not associated with thunder- slight
190- moderate or heavy
191Slight rain at time of observationThunderstorm during the preceding hour but not at time of observation
192Moderate or heavy rain at time of observation
193Slight snow, or rain and snow mixed or hail** at time of observation
194Moderate or heavy snow, or rain and snow mixed or hail** at time of observation
195Thunderstorm, slight or moderate, without hail** but with rain and/or snow at time of observationThunderstorm at time of observation
196Thunderstorm, slight or moderate, with hail** at time of observation
197Thunderstorm, heavy, without hail** but with rain and/or snow at time of observation
198Thunderstorm combined with duststorm or sandstorm at time of observation
199Thunderstorm, heavy, with hail** at time of observation

**Hail, small hail, snow pellets




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