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Dayfile.txt: Difference between revisions
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== Information shown in the table ==
*The fields are now numbered starting from 1 to fit in with Cumulus MX where when the log file is read, adds a line number in front of the date field.
** The Cumulus MX user may not be aware of this happening as it is within the internal workings.
**It stresses that the line consists of a date, (that should be a unique identifier, the same date should not be repeated in another line) plus data (mostly numerical, but some values are paired with a time)▼
*The original table below was for Cumulus 1 and then field number '''was''' starting from zero. So in some forum posts you might see references to old numbering, in others to new numbering. The old numbering from zero had two advantages:
**Numbering starting from zero is consistent with standard indexing used for arrays in programming languages (like JavaScript), so the number shown is the number to quote in any scripts you write to read this file if you just want to examine that particular derivative.▼
▲*
*#The remaining fields were all either numerical values or a time paired with preceding numerical value.
▲**Numbering starting from zero is consistent with standard indexing used for arrays in programming languages (like JavaScript), so the number shown
*The alphabetic column identifiers used by many spreadsheets are shown, please see warnings about using spreadsheets for editing earlier on this page
*The type of field is shown, you must not put a sign for an unsigned field, you can not specify a decimal point in an integer field, all time fields must use HH:mm format
|-
|0
|colspan="3"|For internal MX purposes, this field is the line number
|-
|1
|A
|8 characters
|Date as ''2 figure day [separator] 2 figure month [separator] 2 figure year'' - the separator is that set in the windows system short date format (see [[setup]])
|-
|
|B
|Unsigned number
|Highest wind [[Wind_measurement#Weather_Stations_and_Cumulus|gust]] speed
|-
|
|C
|unsigned integer
|[[Wind_measurement#Wind_Direction | Bearing]] of highest wind gust
|-
|
|D
|5 characters
|Time of highest wind gust
|-
|
|E
|signed decimal
|Minimum [[Temperature_(and_humidity)_measurement#Cumulus_Calculated_Parameters | temperature]]
|-
|
|F
|5 characters
|Time of minimum temperature
|-
|
|G
|signed decimal
|Maximum temperature
|-
|
|H
|5 characters
|Time of maximum temperature
|-
|
|I
|Unsigned number
|Minimum [[Pressure_Measurement | sea level pressure]]
|-
|
|J
|5 characters
|Time of minimum pressure
|-
|
|K
|Unsigned number
|Maximum sea level pressure
|-
|
|L
|5 characters
|Time of maximum pressure
|-
|
|M
|unsigned number
|Maximum [[Rain_measurement#Rain_Rate | rainfall rate]]
|-
|
|N
|5 characters
|Time of maximum rainfall rate
|-
|
|O
|unsigned number
|colspan="4" style="background:lightgray;"|(The release history between versions 1.2.5 and 1.5.1 was lost by Steve Loft, and for MX in "DataEditor.cs" this addition has " Extended for ???" as a comment)
|-
|
|P
|signed decimal
|colspan="4" style="background:lightgray;"|(Wind run was added from version 1.8.4)
|-
|
|Q
|unsigned number
|colspan="4" style="background:lightgray;"|(The next pair of entries were added from version 1.8.9)
|-
|
|R
|unsigned number
|Highest [[Wind_measurement#Weather_Stations_and_Cumulus|Average Wind Speed]]
|-
|
|S
|5 characters
|colspan="4" style="background:lightgray;"|(The two pairs of humidity entries were added from v 1.9.0)
|-
|
|T
|unsigned integer
|Lowest [[Temperature_(and_humidity)_measurement | humidity]]
|-
|
|U
|5 characters
|Time of lowest humidity
|-
|
|V
|unsigned integer
|Highest humidity
|-
|
|W
|5 characters
|colspan="4" style="background:lightgray;"|(The next two entries were added from version 1.9.0)
|-
|
|X
|(not documented)
|Total evapotranspiration (Only valid for Davis stations, shows zero otherwise)
|-
|
|Y
|unsigned
|Total hours of sunshine (only valid if sunshine sensor connected)
|-
|colspan="4" style="background:lightgray;"
|(The next 16 entries were added from version 1.9.1)
|-
|
|Z
|signed decimal
|High [[Heat index]] (added to Cumulus in 1.7.11 only as spot value, not stored)
|-
|
|AA
|5 characters
|Time of high heat index
|-
|
|AB
|Signed decimal
|High [[Apparent temperature]]
|-
|
|AC
|5 characters
|Time of high apparent temperature
|-
|
|AD
|signed decimal
|Low apparent temperature
|-
|
|AE
|5 characters
|Time of low apparent temperature
|-
|
|AF
|unsigned number
|High hourly rain
|-
|
|AG
|5 characters
|Time of high hourly rain
|-
|
|AH)
|signed decimal
|Greatest [[wind chill]] (high wind speed, low temperature) (added in 1.8.3 as spot value, not stored)
|-
|
|AI
|5 characters
|colspan="4" style="background:lightgray;"|(The next two pairs were added in version 1.9.2 beta build)
|-
|
|AJ
|signed decimal
|High [[Temperature_(and_humidity)_measurement#Cumulus_Calculated_Parameters | dew point]]
|-
|
|AK
|5 characters
|Time of high dew point
|-
|
|AL
|signed decimal
|Low dew point
|-
|
|AM)
|5 characters
|colspan="4" style="background:lightgray;"|(The next three entries were added in version 1.9.2 Build 1004)
|-
|
|AN
|unsigned integer
|Today's dominant/average wind direction
|-
|
|AO
|unsigned decimal
|[[Heat/cold degree days and Chill hours | Heating degree days]]
|-
|
|AP
|unsigned decimal
|colspan="4" style="background:lightgray;"|The next two pairs were added in version 1.9.3 build 1036 (these only show valid values if appropriate sensors exist)
|-
|
|AQ
|unsigned decimal
|High solar radiation
|-
|
|AR
|5 characters
|Time of high solar radiation
|-
|
|AS
|unsigned decimal
|High UV Index
|-
|
|AT
|5 characters
|colspan="4" style="background:lightgray;"|The next two pairs were added in version 3.6.0, 2 more derived values
|-
|
|AU
|signed decimal
|High [[Feels Like]] temperature
|-
|
|AV
|5 characters
|Time of high feels like temperature
|-
|
|AW
|signed decimal
|Low Feels Like temperature
|-
|
|AX
|5 characters
| |||