We keep on developing Meteonorm. We update the data base and algorithms, add additional features and remove possible bugs.

On this page you can follow the version history.

Meteonorm 8.2.0 07/12/2023

Updated period (2001 - 2020) for radiation data from the sources GEBA, MeteoSwiss and DWD
Updated satellite data: extended data until 2022 for the satellites GOES-E, MSG, IODC and HIMAWARI
Several stations removed or added
Improvement to the height interpolation of satellite data
Corrected the time zone of some stations
Optimization of memory usage
Added additional topography tiles
Minor bugfixes and changes

Meteonorm 8.1.6 02/15/2023

Only affects Meteonorm Web Service
Removed the influence of a high horizon on gk and dk. Added new parameters ghhor, gkhor, dhhor and dkhor instead.
Additional parameters: lb, tl, aod, heatload_din
Corrected value of "timespan" in the meta data

Meteonorm 8.1.4 10/11/2022

Fixes the error “Connection was closed, statement was terminated” in the SQLiteDataReader

Meteonorm 8.1.1 03/21/2022

Fixed various data and topography problems for northern latitudes (>60°N)
Fixed a problem with leap years when importing cross-year data
Minor bugfixes and changes

Meteonorm 8.1.0 10/04/2021

Thorough data quality check of radiation data from stations: Several stations with poor quality corrected or removed
Update satellite data: The data base is extended by 1 year for the satellites GOES-E, MSG, IODC and HIMAWARI
Corrections in the output formats SAM (unit of snow depth corrected) and EnergyPlus (error in the header corrected)
Minor bugfixes and changes

Meteonorm 8.0.4 05/31/2021

Fixed different locations (Milano Linate, Ohrid)
Fixed an error with future data
Minor bugfixes and changes

Meteonorm 8.0.3 01/14/2021

Correction of the interpolation of temperature distribution (for generation of hourly temperature values)
A problem with the conversion of radiation units when importing monthly data of leap years was corrected
An error in the Enthalpy formula was corrected
An error of axis tracked radiation when calculating multiple locations was corrected

Meteonorm 8.0.2 11/26/2020

Corrects a problem with the altitude calculation of user defined locations for system locales with a “,” as decimal separator.
Corrects a problem of the installer of Meteonorm 8.0.1, which failed to replace some files when installing over an older version.
Corrects an error of the temperature distribution of Northern France in March.

Meteonorm 8.0.1 11/10/2020

Corrects missing radiation values for the output format TMY2
Corrects an error that occurs when downloading time series with French locales
Dropdown list of future periods is now also visible for French application language

Meteonorm 8.0 09/15/2020

Update climate periods: 1996-2015 for radiation parameters, 2000-2019 for all other parameters (temperature, humidity, precipitation, ...)
Additional parameters for current periods and worldwide coverage based on satellite data
New IPCC scenarios (RCP 2.6, 4.5 and 8.5) based on CMIP5
Updated software

Meteonorm 7.3.4 03/23/2020

Urban heat data of 95 European cities based on H2020 added
Diverse small corrections (city coordinates, user defined albedo, monthly import)

Meteonorm 7.3.3 07/23/2019

Fixed different locations (Bremen, Doha, Dunstaffnage)
Urban heat cities visible with French and Italian locales

Meteonorm 7.3.2 05/14/2019

New urban heat data for Berlin and Brehmen
Data from the current time period for the Ruhr area
Sun- and reflection paths are now in 15 minutes resolution

Meteonorm 7.3.1 01/14/2019

Fixes a problem with daily temperatures
Select Urban Heat model explicitly
Output of the selected Urban Heat model in the report

Meteonorm 7.3.0 11/21/2018

New feature: Access to current time series data worldwide (hourly and monthly measurements)
Precise models for urban heat effects in Berne, Vienna, Rome and Barcelona
New clear sky model: Solis 2017
Precise output of used input data and covered time period
Climate data: Updates for Brazil and South-west Australia
Correction of horizon effects when used in locations with big deviation of the timezone to the true solar time

Meteonorm 7.2.4 05/04/2018

Fixes a problem with missing exceptions log files.

Meteonorm 7.2.3 03/28/2018

Maintenance release with minor changes

Meteonorm 7.2.2 09/14/2017

Solves a problem with the webservice for altitude informations
Solves a problem with snow heights near Switzerland

Meteonorm 7.2.1 06/28/2017

Solves a problem with the turbidity database. Turbidity is now calculated correctly world wide.
Correct unit for precipitable water
TT DIN 4710 works in batch mode correctly now

Meteonorm 7.2.0 05/17/2017

Meteonorm 7.2 is a paid upgrade. Please use the upgrade form to renew your current Meteonorm 7.1 licences. Release-Newsletter

Two new minute models
New aerosol data
Updated data for Switzerland and Germany
Urban heat effects
Many small changes and updates

Meteonorm 7.1.11 01/10/2017

Fixes address search for all countries
Fixes locations London Airport and Oslo
Updates output format EPW

Meteonorm 7.1.10 07/28/2016

Note: Starting with Meteonorm version 7.1.10, Windows XP is no longer supported.

New provider for map and geocoding data
Neues Ausgabeformat SAM
Neues Ausgabefomat DWD TRY 1.1
Removes impossible selection of combinations of minutes radiation models and output formats
Minor data correction for Senegal
Minor improvements in the graphical user interface

Meteonorm 7.1.9 06/15/2016

New output format for PVscout 2
Meteonorm reports a failure when an output file cannot be written
Fixes precipitation data in Sudan
Mixing ratio for german and danish TMY are calculated correctly now
Fixes a problem with horizontal global radiation in batch mode

Meteonorm 7.1.8 02/03/2016

Adds P10- and P90-values for global radiation to the monthly result view
Updated precipitation data for Korea, France and the USA
New camera Sony DSC-HX60V in Horicatcher
Fixes errors in batch mode
Graphs are now saved without missing pixels from the result previews

Meteonorm 7.1.7 11/24/2015

Additional output parameters for formats EPW and PHPP
Fixes saved times of sunrises and sunsets

Meteonorm 7.1.6 08/27/2015

Allows output of 15 minute values
Extends the output formats Science and PHPP
Fixes a problem with the calculation of snow loads (in Switzerland)

Meteonorm 7.1.5 07/30/2015

Updated data for Denmark, incl. TMY3 data
Meteonorm now uses significantly less memory in batch mode
Sun paths in the morning and evening hours corrected
Additional parameters for the PHPP output format
SIA-2018 wind gusts are now calculated correctly
Umlauts in the METEO output format formatted correctly

Meteonorm 7.1.4 05/27/2015

Sunset and sunrise dates can be saved
Small updates and changes to enhance the stability
Download of TMY data simplifie
Update of batch mode
Corrections and update of PHPP output formats
Additional information about time periods and share of satellite and ground data for interpolation
Addition of UVB parameter
Small corrections of climate database

Meteonorm 7.1.3 11/04/2014

Security update for users of obsolete operating systems (Windows XP)
No functional changes

Meteonorm 7.1.2 09/19/2014

Updates to global radiation data for China, Japan, Turkey and India
Correctly reads in altitude information in batch files with Swiss coordinates
Additions to the output format PHPP
Updates to the output format Pleiades/Comfie
Output format Solar-Ripp now automatically creates binary packed data

Meteonorm 7.1.1 06/03/2014

Includes the missing manual and theory PDF
Fixes a problem with the output format Standard opt.

Meteonorm 7.1.0 05/27/2014

New batch mode: Calculate up to 100 locations at once
New radiation data from 1991 to 2010 and new satellite data outside Europe and Northern Africa (8 instead of 30 km)
Many further improvements

Meteonorm 7.0.22 08/22/2013

Fixes problems with user profiles stored on server paths.
Fixes problems with entering time zones and searching on the map on certain locales.

Meteonorm 7.0.21 07/05/2013

More precise calculation of radiation data.
Imported monthly radiation data of user defined locations can now be used for interpolation.
Daily data can now be imported.
Corrects wind load data for Switzerland.
Adds the custom horizon to the report.
New output format for StruSoft.
Optionally remembers the output format setting.
Note: This version had been retracted due to problems with file paths on certain Windows installations. All changes have been integrated into version 7.0.22.

Meteonorm 7.0.20 02/27/2013

Corrections of the radiation output when using a horizon with temporary shadowing.
Corrections of the radiation output of locations above the polar circle.
The preview should now correctly indicate which data (meteonorm or imported) was used in the calculation.
Location data changes for Guatemala, Potsdam, Sede Boqer, Gillot.
Improvements for the spanish and italian translations.
Changes to the graphical interface: More information visible.

Meteonorm 7.0.19 12/05/2012

Fixes beam output for TMY3.
Adds spanish translation.
Improves handling of coordinates in the location information dialog for international users.
Adds wind load information to preview.
Custom locations are now sorted alphabetically.
Monthly dew point temperature values are now handled correctly. Import of relative humidity enabled.

Meteonorm 7.0.18 11/05/2012

Fixes a bug in the user-defined locations dialog (entering latitude/longitude).
For locations with high horizons, corrected global radiation data is now used per default. In previous versions, original global radiation data is used per default (register modifications; only for approx. 20 Swiss weather stations).
Test reference stations of DWD: change of time reference and limitation of high beam values. In previous versions partially too high beam values have been calculated (in morning hours) due to time reference errors.
Horizontal beam (H_Bh or G_Bn) is now correctly named in user defined output format.

Meteonorm 7.0.17 10/18/2012

Adding a constant horizon on a topological horizon resulted in an invalid horizon.
Improvements to the monthly values import table.
Corrects wrong parameter output for PVSyst calculations.
User defined locations are now searchable.
Minor improvements for the user interface.

Meteonorm 7.0.16 09/13/2012

Adds HORIcatcher
Minor updates to the report
Minor updates of the station list

Meteonorm 7.0.15 08/27/2012

Adds italian localisation
Adds the possibility to use authenticated proxies
Improves the handling of hourly import files
Fixes a problem when not using the topographical horizon
Fixes a poblem when importing data for 2011 and 2012
Fixes the scroll bar functionality on small screens

Meteonorm 7.0.14 07/26/2012

Improved Internet connectivity and proxy handling.

Meteonorm 7.0.13 07/13/2012

Adds french localisation.
Changes license management: One serial number is now valid for all users on one system.
Adds an easy way to define constant horizons.
Underdefined horizons (Less than one point per 90°) are now calculated correctly.
Corrects radiation periods for weather stations in the output preview.
Imports custom locations from XML, CSV and MDB. Imports the old stnuser2005.mdb now. Can fill in missing location data (I.e. altitude, timzone)
Improves Internet connection handling for registration and maps.
New, simpler save data dialog.
The file extensions for custom formats are now configurable.
Minor bugfixes and correction to some location coordinates.

Meteonorm 7.0.12 06/08/2012

Fixes severe localisation problems in regions where commata are used instead of decimal points (Germany, France, Norway et al.) This also fixes crashes during startup for french users.
Implements automatic proxy server detection and prevents crashes during the registration process.
Fixes report generation for the TMY2 format.
Horizon files saved by meteonorm 7 are now compatible with PV*SOL.
Sun paths are now correctly drawn on the southern hemisphere.
Minor bug fixes and corrections of translation errors.

Meteonorm 7.0.11 05/31/2012

Total redesign of software, more intuitive handling.
New map tool for site selection.
New import interface for user defined data (including current data by internet).
Redesign of the horizon tool, including calculation of reflexions of panels.
Access to climate change forecasts (3 IPCC scenarios).
Updated database including 8'300 weather stations.
Output of the uncertainty of yearly values of radiation and temperature for any site.
Wind load zones for Germany and Switzerland and snow load zones for Germany, Switzerland, Austria and France.
Updated interpolation models to calculate mean values for any site in the world.
Calculation of direct radiation and inclined planes with additional models.