hourly

metadata

property	value
name	hourly
original name	hourly
url	here

datasets

cloud_type

metadata

property	value
name	cloud_type
original name	cloud_type
description	Hourly station observations of cloud cover, cloud type and cloud height in up to 4 layers for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
quality	qn_8	Quality flag.	-	-
cloud_cover_total	v_n	Total cloud cover.	1/8	>=0,<=8
cloud_cover_total_measurement_method	v_n_i	Index how measurement is taken, P = by human person,I = by instrument. Returned as 1 for P and 2 for I.	-	∈ [1, 2]
cloud_type_layer1	v_s1_cs	Cloud type of 1. layer.	-	∈ [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1]
cloud_height_layer1	v_s1_hhs	Lower boundary height of 1.layer.	m	>=0
cloud_cover_layer1	v_s1_ns	Cloud cover in the first layer.	1/8	>=0,<=8
cloud_type_layer2	v_s2_cs	Cloud type of 2. layer.	-	∈ [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1]
cloud_height_layer2	v_s2_hhs	Lower boundary height of 2.layer.	m	>=0
cloud_cover_layer2	v_s2_ns	Cloud cover in the second layer.	1/8	>=0,<=8
cloud_type_layer3	v_s3_cs	Cloud type of 3. layer.	-	∈ [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1]
cloud_height_layer3	v_s3_hhs	Lower boundary height of 3.layer.	m	>=0
cloud_cover_layer3	v_s3_ns	Cloud cover in the third layer.	1/8	>=0,<=8
cloud_type_layer4	v_s4_cs	Cloud type of 4. layer.	-	∈ [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, -1]
cloud_height_layer4	v_s4_hhs	Lower boundary height of 4.layer.	m	>=0
cloud_cover_layer4	v_s4_ns	Cloud cover in the fourth layer.	1/8	>=0,<=8

Code (cloud_type_layer):

code	cloud type
0	cirrus
1	cirrocumulus
2	cirrostratus
3	altocumulus
4	altostratus
5	nimbostratus
6	stratocumulus
7	stratus
8	cumulus
9	cumulonimbus
-1	automated

cloudiness

metadata

property	value
name	cloudiness
original name	cloudiness
description	Hourly station observations of cloudiness for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
quality	qn_8	Quality flag.	-	-
cloud_cover_total_measurement_method	v_n_i	Index how measurement is taken, P = by human person,I = by instrument. Returned as 1 for P and 2 for I.	-	∈ [1, 2]
cloud_cover_total	v_n	Total cloud cover.	1/8	>=0,<=8

Code (cloud_cover_total_measurement_method):

value	source letter	meaning
1	P	human person
2	I	instrument

dew_point

metadata

property	value
name	dew_point
original name	dew_point
description	Hourly station observations of air and dew point temperature for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
quality	qn_8	Quality flag.	-	-
temperature_air_2m	tt	Air temperature.	°C	-
temperature_dew_point_2m	td	Dew point temperature.	°C	-

moisture

metadata

property	value
name	moisture
original name	moisture
description	Hourly station observations of moisture parameters for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
quality	qn_4	Quality flag.	-	-
humidity_absolute	absf_std	Computed hourly value of absolute humidity.	g/m³	>=0
pressure_vapor	vp_std	Computed hourly value of vapour pressure.	hPa	>=0
temperature_wet_2m	tf_std	Computed hourly value of wet bulb temperature.	°C	-
pressure_air_site	p_std	Hourly value of barometric pressure.	hPa	>=0
temperature_air_2m	tt_std	Air temperatur in 2m above ground.	°C	-
humidity_relative	rf_std	Relative humidity.	%	>=0,<=100
temperature_dew_point_2m	td_std	Dew point temperature in 2m above ground.	°C	-

precipitation

metadata

property	value
name	precipitation
original name	precipitation
description	Hourly station observations of precipitation for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
precipitation_amount	r1	Precipitation height during the previous hour.	mm	>=0
precipitation_index	rs_ind	Precipitation indicator; 0 = no; 1 = yes.	-	∈ [0, 1]
precipitation_form	wrtr	Precipitation form; 0 = no precipitation; 1 = rain only (in historical data before 01.01.1979); 4 = form of precipitation unascertainable and depositional precipitation, automatic ascertainment; 6 = liquid precipitation, automatic ascertainment; 7 = solid precipitation, automatic ascertainment; 8 = liquid and solid precipitation, automatic ascertainment; 9 = missing value, form of precipitation unascertainable, automatic ascertainment.	-	∈ [0, 1, 2, 3, 6, 7, 8, 9]

Code (precipitation_indicator):

code	meaning
0	no precipitation
1	precipitation

Code (precipitation_form):

code	meaning
0	no fallen precipitation or too little deposition (e.g., dew or frost) to form a precipitation height larger than 0.0, for automatic stations this corresponds to WMO code 10
1	precipitation height only due to deposition (dew or frost) or if it cannot decided how large the part from deposition is
2	precipitation height only due to liquid deposition
3	precipitation height only due to solid precipitation
6	precipitation height due to fallen liquid precipitation, may also include deposition of any kind, or automatic stations this corresponds to WMO code 11
7	precipitation height due to fallen solid precipitation, may also include deposition of any kind, for automatic stations this corresponds to WMO code 12
8	fallen precipitation in liquid and solid form, for automatic stations this corresponds to WMO code 13
9	no precipitation measurement, form of precipitation cannot be determined, for automatic stations this corresponds to WMO code 15

pressure

metadata

property	value
name	pressure
original name	pressure
description	Hourly station observations of pressure for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
pressure_air_sea_level	p	Barometric pressure at sea level NN.	hPa	>=0
pressure_air_site	p0	Barometric pressure at station height.	hPa	>=0

solar

metadata

property	value
name	solar
original name	solar
description	Hourly station observations of solar incoming (total/diffuse) and longwave downward radiation for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
radiation_sky_long_wave	atmo_lberg	Hourly sum of longwave downward radiation.	J/cm²	>=0
radiation_sky_short_wave_diffuse	fd_lberg	Hourly sum of diffuse solar radiation.	J/cm²	>=0
radiation_global	fg_lberg	The solar incoming radiation includes the direct and the diffuse part of the solar radiation with respect to the horizontal plane. It is sometimes also referred to as shortwave, including the solar spectrum up to 2.8 micron, as opposed to longwave , which refers to the thermal radiation of the atmosphere.	J/cm²	>=0
sunshine_duration	sd_lberg	Hourly sum of sunshine duration.	min	>=0
sun_zenith_angle	zenit	Solar zenith angle at mid of interval. The solar zenith angle is between 0-180 and is defined as: ZENIT= 90 - solar_height.	°	>=0,<=180
true_local_time_offset	mess_datum_woz	Local true solar time, published as a whole timestamp and returned as its distance from the timestamp of the record: the longitude correction plus the equation of time.	min	-

sun

metadata

property	value
name	sun
original name	sun
description	Hourly station observations of sunshine duration for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
sunshine_duration	sd_so	Hourly sunshine duration.	min	>=0

temperature_air

metadata

property	value
name	temperature_air
original name	air_temperature
description	Hourly station observations of 2 m air temperature and humidity for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
temperature_air_2m	tt_tu	Air temperature 2 m above ground.	°C	-
humidity_relative	rf_tu	Relative humidity.	%	>=0,<=100

temperature_soil

metadata

property	value
name	temperature_soil
original name	soil_temperature
description	Hourly station observations of of soil temperature for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
temperature_soil_0_02m	v_te002	Soil temperature in 2 cm depth.	°C	-
temperature_soil_0_05m	v_te005	Soil temperature in 5 cm depth.	°C	-
temperature_soil_0_1m	v_te010	Soil temperature in 10 cm depth.	°C	-
temperature_soil_0_2m	v_te020	Soil temperature in 20 cm depth.	°C	-
temperature_soil_0_5m	v_te050	Soil temperature in 50 cm depth.	°C	-
temperature_soil_1m	v_te100	Soil temperature in 100 cm depth.	°C	-

urban_precipitation

metadata

property	value
name	urban_precipitation
original name	precipitation (climate_urban)
description	Recent hourly precipitation, observed at urban stations for selected urban areas in Germany (details)
access	here

parameters

name	original name	description	unit	constraints
precipitation_amount	niederschlagshoehe	Precipitation height, the sum of the six 10-minute intervals of the previous hour (at UTC 11 the sum of the precipitation during UTC10-UTC11).	mm	>=0

urban_pressure

metadata

property	value
name	urban_pressure
original name	pressure (climate_urban)
description	Recent hourly pressure, observed at urban stations for selected urban areas in Germany (details)
access	here

parameters

name	original name	description	unit	constraints
pressure_air_sea_level	luftdruck_nn	Air pressure reduced to sea level.	hPa	>=0
pressure_air_site	luftdruck_stationshoehe	Pressure at station height, following the SYNOP conventions: the hour x corresponds to the measurement from 10 min before (at UTC 11 the value from UTC 10:50).	hPa	>=0

urban_temperature_air

metadata

property	value
name	urban_temperature_air
original name	air_temperature (climate_urban)
description	Recent hourly air temperature and humidity, observed at urban stations for selected urban areas in Germany (details)
access	here

parameters

name	original name	description	unit	constraints
temperature_air_2m	lufttemperatur	2m air temperature, following the SYNOP conventions: at UTC 11 the mean value of the 1 minute interval ending UTC 10:50 is given.	°C	-
humidity_relative	rel_feuchte	2m relative humidity, following the SYNOP conventions: at UTC 11 the mean value of the 1 minute interval ending UTC 10:50 is given.	%	>=0,<=100

urban_temperature_soil

metadata

property	value
name	urban_temperature_soil
original name	soil_temperature (climate_urban)
description	Recent hourly soil temperature, observed at urban stations for selected urban areas in Germany (details)
access	here

parameters

name	original name	description	unit	constraints
temperature_soil_0_05m	erdbt_005	Soil temperature in 5 cm depth, following the SYNOP conventions: at UTC 11 the mean value of the 1 minute interval ending UTC 10:50 is given.	°C	-
temperature_soil_0_1m	erdbt_010	Soil temperature in 10 cm depth, following the SYNOP conventions: at UTC 11 the mean value of the 1 minute interval ending UTC 10:50 is given.	°C	-
temperature_soil_0_2m	erdbt_020	Soil temperature in 20 cm depth, following the SYNOP conventions: at UTC 11 the mean value of the 1 minute interval ending UTC 10:50 is given.	°C	-
temperature_soil_0_5m	erdbt_050	Soil temperature in 50 cm depth, following the SYNOP conventions: at UTC 11 the mean value of the 1 minute interval ending UTC 10:50 is given.	°C	-
temperature_soil_1m	erdbt_100	Soil temperature in 100 cm depth, following the SYNOP conventions: at UTC 11 the mean value of the 1 minute interval ending UTC 10:50 is given.	°C	-

urban_sun

metadata

property	value
name	urban_sun
original name	sun (climate_urban)
description	Recent hourly sunshine duration, observed at urban stations for selected urban areas in Germany (details)
access	here

parameters

name	original name	description	unit	constraints
sunshine_duration	sonnenscheindauer	Sunshine duration, the sum of the six 10-minute intervals of the previous hour (at UTC 11 the sum of the sunshine during UTC10-UTC11).	min	>=0

urban_wind

metadata

property	value
name	urban_wind
original name	wind (climate_urban)
description	Recent hourly wind speed and direction, observed at urban stations for selected urban areas in Germany (details)
access	here

parameters

name	original name	description	unit	constraints
wind_speed	windgeschwindigkeit	Mean wind speed, the average of the six 10-minute intervals of the previous hour (at UTC 11 the average during UTC10-UTC11). DWD’s sheet: measured at 368 m on Berlin’s television tower (the other urban stations have their own sensor heights).	m/s	>=0
wind_direction	windrichtung	Mean wind direction, the average of the six 10-minute intervals of the previous hour (at UTC 11 the average during UTC10-UTC11). DWD’s sheet: measured at 368 m on Berlin’s television tower (the other urban stations have their own sensor heights).	°	>=0,<=360

visibility

metadata

property	value
name	visibility
original name	visibility
description	Hourly station observations of visibility for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
visibility_measurement_method	v_vv_i	Visibility index, noting how the measurement is taken,P=by human person,I=by an instrument. Returned as 1 for P and 2 for I.	-	∈ [1, 2]
visibility	v_vv	Visibility range.	m	>=0

Code (visibility_measurement_method):

value	source letter	meaning
1	P	by human person
2	I	by instrument

weather_phenomena

metadata

property	value
name	weather_phenomena
original name	weather_phenomena
description	Hourly station observations of weather phenomena for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
weather	ww	Weather code of current condition.	-	-

weather codes and descriptions: here

wind

metadata

property	value
name	wind
original name	wind
description	Hourly mean value from station observations of wind speed and wind direction for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
wind_speed	f	Mean wind speed.	m/s	>=0
wind_direction	d	Mean wind direction.	°	>=0,<=360

wind_extreme

metadata

property	value
name	wind_extreme
original name	extreme_wind
description	Hourly maximum value from station observations of windspeed for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
wind_gust_max	fx_911	Wind speed, wind gust: the highest wind peak of the last hour.	m/s	>=0

wind_synoptic

metadata

property	value
name	wind_synoptic
original name	wind_synop
description	Hourly station observations of wind speed and wind direction for Germany (details)
access	here

parameters

name	original name	description	unit	constraints
wind_speed_last_10min	ff	10-minute mean of the wind speed (DWD: “10-Min-Mittel der Windgeschwindigkeit”).	m/s	>=0
wind_direction	dd	Wind direction (DWD: “Windrichtung uml.,windstill DD=00”).	°	>=0,<=360