Cumulus.ini (preserving history): Difference between revisions

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→‎Section: Offsets: Clarify that multiplier affects rainfall rate too; Clarify offset too
m (→‎Section: Station: Revised 'DataLogInterval' note)
m (→‎Section: Offsets: Clarify that multiplier affects rainfall rate too; Clarify offset too)
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|style="background:lightgray;"|[Offsets]
|style="background:lightgray;"|Section Name - the following 'attribute=value' parameters are the correctionadjustment factors for your specific sensors
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|PressOffset=0Offset_Value
|Default 'Offset_Value' is 0 in this parameter used for formula: Cumulus pressure = Measured Pressure + 'Offset_Value'
|Value by which Measured Pressure to be corrected (Add/Subtract)
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|TempOffset=0Offset_Value
|Default 'Offset_Value' is 0 in this parameter used for formula: Cumulus Outdoor Temperature = Measured Outdoor Temperature + 'Offset_Value'
|Value by which Measured Outdoor Temperature to be corrected (Add/Subtract)
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|HumOffset=0Offset_Value
|Default 'Offset_Value' is 0 in this parameter used for formula: Cumulus Humidity = Measured Humidity + 'Offset_Value'
|Value by which Measured Humidity to be corrected (Add/Subtract)
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|WindDirOffset=0Offset_Value
|Default 'Offset_Value' is 0 in this parameter used for formula: Cumulus Wind Bearing = Measured Wind Bearing + 'Offset_Value'
|Value by which Measured Wind Direction to be corrected (Add/Subtract)
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|InTempOffset=0 Offset_Value
|Default 'Offset_Value' is 0 in this parameter used for formula: Cumulus Indoor Temperature = Measured Indoor Temperature + 'Offset_Value'
|Value by which Measured Indoor Temperature to be corrected (Add/Subtract)
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|WindSpeedMult=1
|Multiplier by which measured Average [[Wind_measurement#CompensationWind_Speed|Wind Speed]] is to be corrected. Officially in UK the wind speed is measured with sensors at 10m above ground level. If your sensor is not at 10m AGL then a correction multiplier should be applied using the following formula ''V10/Vh (default= 1/(0.233 + 0.656*log10(h+4.75))'' where "h" is your sensor height in meters.
 
e.g. if your anemometer is 5m off the ground, V10/Vh comes out at 1.134
e.g. Officially in UK the wind speed is measured with sensors at 10m above ground level. If your sensor is not at 10m AGL then a correction multiplier should be applied using the following formula ''V10/Vh = 1/(0.233 + 0.656*log10(h+4.75))'' where "h" is your sensor height in meters so if your anemometer is 5m off the ground, V10/Vh comes out at 1.134
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|WindGustMult=1
|Multiplier by which measured [[Wind_measurement#Wind_Speed|Wind Gust]] Speed is to be corrected (default=1).
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|TempMult=1
|Multiplier by which measured Temperature is to be corrected (default=1).
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|HumMult=1
|Multiplier by which measured Humidity is to be corrected (default=1).
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|RainMult=1
|Multiplier by which measured Rainfall (and therefore rainfall rate too) is to be corrected (default=1).
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|UVOffset=0Offset_Value
|Default 'Offset_Value' is 0 in this parameter used for formula: Cumulus UV level = Measured UV level + 'Offset_Value'
|Value by which measured UV to be corrected (add/subtract).
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|UVMult=1
|Multiplier by which measured UV to be corrected (default=1).
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