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Webtags (preserving history): Difference between revisions
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==Current Conditions==
Cumulus software makes current values available for a standard range of sensors where the same web tags apply across a range of weather station models.
Cumulus 1 and MX offer current values from some extra temperature and relative humidity sensors (see [[Extra temperatures]]) frm particular weather station models (from Davis and Oregon Scientific).
Recently, MX has been developed to support further extra sensors (see [[Extra Sensor Files]] page for full list of fields) and web tags have been added to support current values only.
==== Feels Like ====
Feels like temperature was first made available, just for current conditions at MX version 3.5.4. In version 3.6.0. it was extended to add max/min for each day, each month, each year, and all time. In version 3.6.11 it was added to recent history.
The figures quoted for this derivative vary between versions:
* The first formula was used from MX version 3.5.4 (25 Apr 2020) build 3075 until version 3.6.7 (4 June 2020) build 3083
* The second formula, which was coded incorrectly, and so gave strange results, applied in versions 3.6.8 to 3.6.9 (build 3084, 3085)
* The third, and hopefully final, formula applies from version 3.6.10 (build 3086).
A php script for adding feels like as calculated in version 3.6.10 to any standard log line created either without feels like, or with an older (now incorrect) calculation, can be downloaded from [https://cumulus.hosiene.co.uk/viewtopic.php?f=18&t=18096 Create Missing topic on support forum]. Obviously, this calculates from the small sub-set of current conditions that have been logged, and is not as accurate at deriving maximum and minimum as derivation made as each reading is processed by MX (so including all current conditions).
The [[Calculate_Missing_Values#CreateMissing.exe| Create Missing utility]] will not correct the older (incorrectly calculated) figures, but will add Feels Like temperature values to any standard log line created by Cumulus 1, by MX prior to release 3.5.4, or if you have imported lines into the log from an external source.
===Standard sensors===
The web tags shown here are mainly determined by which appeared on the original "Now" legacy web page (index.htm).
Consequently, the totals for Rainfall this month, and this year, are included here for consistency with supplied web templates (indexT.htm, thismonthT.htm, and thisyearT.htm) and with the dashboard 'Now' part of the Cumulus MX user; although you might expect to find them listed in tables for this month and this year, those web pages do not show these derivatives.
Those listed here cover both measurements obtained from a weather station (like air temperature, wind speed and direction, humidity and barometric pressure); and all the derived values (like humidex, feels like, apparent temperature, wind chill, and heat index).
Note however, that the derived values calculated for Cumulus 1 and for MX may not agree because of differences in the calculation formulae, see derived value section within Recent History tags section for examples.
{| class="wikitable" border="1"
|-
|The same as <#currcond> but also has all characters above (decimal base) code 159 encoded as HTML entities for example this would encode any use of symbol for degree.
|}
==Extra Sensors==
Some tags are only available for certain builds, if the tables below do not say which releases they apply to, see general tip at top of page to check for the build you are using. In particular Cumulus 1 has fewer channels available in its earlier versions, and the final legacy software version 1.9.4 offers just 42 of the 62 extra sensor web tags available in MX.
The extra sensors functionality in Cumulus only supports processing for current spot values as read from the sensors, the only processing is to convert the units ready for output, so only current conditions can be reported in web tags.
Periodically spot extra sensor values are logged, see the [[Extra_Sensor_Files]] page for information about log files from where you can extract the past spot values.
===Extra Sensors: Davis Oregon Scientific WMR928, WR100/200 ===
These web tags hold current values for additional sensors supported by Cumulus 1 and MX.
{| class="wikitable" border="1"
===Extra Sensors: Davis AirLink ===
New from version 3.9.0. Not available for earlier MX, not available for Cumulus 1.
Note, that you can configure an Indoor or Outdoor (or both) AirLink, most people will use an outdoor. There are a similar set of tags for each device.
{| class="wikitable" border="1"
|-
!style="width:150px" |Web tag_name
!style="width:600px" |Function
|-
|colspan="2" style="background:lightgray;"|Particulate Matter
|-
|<#AirLinkPm1[InǀOut]>
|Current particulate matter of 1 μm, or less count
|-
|<#AirLinkPm2p5[InǀOut]>
|Currentparticulate matter of 2.5 μm, or less, count
|-
|<#AirLinkPm2p5_1hr[InǀOut]>
|Last hour average particulate matter of 2.5 μm, or less, count
|-
|<#AirLinkPm2p5_3hr[InǀOut]>
|Last 3 hours average particulate matter of 2.5 μm, or less, count
|-
|<#AirLinkPm2p5_24hr[InǀOut]>
|Last 24 hours average particulate matter of 2.5 μm, or less, count
|-
|<#AirLinkPm2p5_Nowcast[InǀOut]>
|The 24 hour "nowcast" weighted average particulate matter of 2.5 μm, or less, count
|-
|<#AirLinkPm10[InǀOut]>
|Current particulate matter of 10 μm, or less, count
|-
|<#AirLinkPm10_1hr[InǀOut]>
|Last hour average particulate matter of 10 μm, or less, count
|-
|<#AirLinkPm10_3hr[InǀOut]>
|Last 3 hours average particulate matter of 10 μm, or less, count
|-
|<#AirLinkPm10_24hr[InǀOut]>
|Last 24 hours average particulate matter of 10 μm, or less, count
|-
|<#AirLinkPm10_Nowcast[InǀOut]>
|The 24 hour "nowcast" weighted average particulate matter of 10 μm, or less, count
|-
|colspan="2" style="background:lightgray;"|Air Quality Index Values
|-
|<#AirLinkAqiPm2p5[InǀOut]>
|Current particulate matter of 2.5 μm, or less AQI value - allows use of the "dp=n" and "tc=y" parameters
|-
|<#AirLinkAqiPm2p5_1hr[InǀOut]>
|Last hour average particulate matter of 2.5 μm, or less, AQI value - allows use of the "dp=n" and "tc=y" parameters
|-
|<#AirLinkAqiPm2p5_3hr[InǀOut]>
|Last 3 hour average particulate matter of 2.5 μm, or less, AQI value - allows use of the "dp=n" and "tc=y" parameters
|-
|<#AirLinkAqiPm2p5_24hr[InǀOut]>
|Last 24 hour average particulate matter of 2.5 μm, or less, AQI value - allows use of the "dp=n" and "tc=y" parameters
|-
|<#AirLinkAqiPm2p5_Nowcast[InǀOut]>
|Last 24 hour "nowcast" weighted average particulate matter of 2.5 μm, or less, AQI value - allows use of the "dp=n" and "tc=y" parameters
|-
|<#AirLinkAqiPm210[InǀOut]>
|Current particulate matter of 10 μm, or less value - allows use of the "dp=n" and "tc=y" parameters
|-
|<#AirLinkAqiPm10_1hr[InǀOut]>
|Last hour average particulate matter of 10 μm, or less, AQI value - allows use of the "dp=n" and "tc=y" parameters
|-
|<#AirLinkAqiPm10_3hr[InǀOut]>
|Last 3 hour average particulate matter of 10 μm, or less AQI value - allows use of the "dp=n" and "tc=y" parameters
|-
|<#AirLinkAqiPm10_24hr[InǀOut]>
|Last 24 hour average particulate matter of 10 μm, or less AQI value - allows use of the "dp=n" and "tc=y" parameters
|-
|<#AirLinkAqiPm10_Nowcast[InǀOut]>
|Last 24 hour "nowcast" weighted average particulate matter of 10 μm, or less AQI value - allows use of the "dp=n" and "tc=y" parameters
|-
|colspan="2" style="background:lightgray;"|Stats Values
|-
|<#AirLinkPct_1hr[InǀOut]>
|Percentage of possible values that were included in the 1 hour averages
|-
|<#AirLinkPct_3hr[InǀOut]>
|Percentage of possible values that were included in the 3 hour averages
|-
|<#AirLinkPct_24hr[InǀOut]>
|Percentage of possible values that were included in the 24 hour averages
|-
|<#AirLinkPct_1hr[InǀOut]>
|Percentage of possible values that were included in the 24 hour weighted averages
|-
|colspan="2" style="background:lightgray;"|Sensor Info
|-
|<#AirLinkFirmwareVersion[InǀOut]>
|Shows the AirLink firmware version as a date string.
NOTE: This web tag requires a WeatherLink Pro subscription to work
|-
|<#AirLinkTemp[InǀOut]>
|The sensors internal temperatue value
|-
|<#AirLinkHum[InǀOut]>
|The sensors internal humidity value
|-
|<#AirLinkWifiRssi[InǀOut]>
|The sensors WiFi signal strength in dB - anything below -90 is considered very poor.
NOTE: This web tag requires a WeatherLink Pro subscription to work
|}
===Extra Sensors: Ecowitt===
Ecowitt stations are sold under other names depending on nation, e.g. Ambient in USA, Froggit in central Europe, so Ecowitt is used as a generic name in same way as Fine Offset is used as a generic name for stations sold under a variety of branding, in this Wiki.
{{Version badge 1}} Not available in Cumulus 1..
===Extra Sensors: Ecowitt WH45 CO₂ sensor===
[[File:Badge vMx.png]] Unless otherwise indicated these web tags become available from release 3.9.5.
<big>THE INFORMATION HERE IS TAKEN FROM RELEASE ANNOUNCEMENTS THAT DO NOT EXPLAIN WHAT THESE WEB TAGS REPORT
PLEASE WOULD SOMEBODY WHO UNDERSTANDS THIS TERMINOLOGY UPDATE THE FOLLOWING TABLE</big>
{| class="wikitable" border="1"
|-
!style="width:150px" |Web tag_name
!style="width:600px" |Function
|-
| <#CO2-pm2p5>
| Air Quality expressed in terms of particulate matter of 2.5 micrometres or less
|-
| <#CO2-pm2p5-24h>
| Air Quality expressed in terms of particulate matter of 2.5 μm, or less, Last 24 hours average
WILL SOMEBODY WHO KNOWS UPDATE THIS ENTRY AND OTHERS
|-
| <#CO2-pm10>
| Air Quality expressed in terms of particulate matter of 10 μm, or less
|-
| <#CO2-pm10-24h>
| Air Quality expressed in terms of particulate matter of 10 μm, or less, Last 24 hours average
WILL SOMEBODY WHO KNOWS UPDATE THIS ENTRY AND OTHERS
|-
| <#CO2-temp>
| Temperature as reported by Air Quality monitor
|-
| <#CO2-hum>
| Relative Humidity as reported by Air Quality monitor
|}
====Extra Sensors: Ecowitt Air quality, leak sensors, lighting detector, and extra temperature sensors====
[[File:Badge vMx.png]] Please see release announcements for when individual web tags
This section applies only to those using Ecowitt GW1000 (Froggit DS1500) an interface unit that picks up various external sensors and sends the data via an application programming interface to MX which then generates the following web tags:
|-
|<#AirQuality1>
| Air quality 1
|-
|colspan="2"|... and so on up to <#AirQuality4>
|-
|<#LeakSensor1>
|Leak sensor - 0 or 1
|-
|colspan="2"|... and so on up to <#LeakSensor4>
==Recent History==
==Special tags==
===Davis===
|}
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