Davis Instruments DWW6312 Manual De Usuario

Weather Data Specifications

51

Note: 

These specifications include optional sensors that may not be installed in your Vantage Pro2 
Station.

Barometric 
Pressure

*

Included in Console

0.01” Hg; 0.1 mm; 

0.1 hPa; 0.1 mb

26” to 32” Hg; 660 to 
810 mm; 880 to 
1080 hPa; 880 to 
1080 mb

**

0.03” Hg; 0.8 mm 

Hg; 1.0 hPa; 1.0 mb

Barometric Trend 
(3 hour)

Change Rates

Rapidly: 

≥.06” H; 

1.5 mm Hg; 2 hPa; 

2 mb

Slowly: 

≥.02” H; 

0.5 mm Hg; 

0.7 hPa;  0.7 mb

5 Arrow Positions: 

Rising Rapidly

Rising Slowly

Steady

Falling Slowly

Falling Rapidly

Evapotranspiration 
(ET)

ISS or Temp/Hum 
Station & Solar 
Radiation sensor

0.01”; 0.25 mm

Daily to 99.99”; 

999.9 mm

Monthly & Yearly to 

199.99”; 1999.9mm

greater of 5% or 

0.01”; 0.25 mm

Inside Humidity

Included in Console

1%

10 to 90%

5% RH

Outside Humidity

ISS or Temp/Hum 
Station 

1%

0 to 100%

3% RH; 4% above 

90%

Extra Humidity

ISS or Temp/Hum 
Station 

1%

0 to 100%

3% RH; 4% above 

90%

Dew Point (overall)

ISS or Temp/Hum 
Station 

1

°F; 1°C

-105

° to +130°F; 

-76

° to +54°C

3

°F; 1.5°C

Leaf Wetness

Leaf & Soil Station

1

0 to 15

0.5

Soil Moisture

Leaf & Soil Station 
or Soil Moisture 
Station

1 cb

0 to 200 cb

Daily & Storm 
Rainfall

Rain Collector

0.01”; 0.25mm

to 99.99”; 999.9 mm

greater of 4% or 1 

tip,

Monthly & Yearly 
Rainfall

0.01”; 0.25mm 

(1mm at totals over 

2000 mm)

to 199.99”; 19,999 

mm

greater of 4% or 1 tip

Rain Rate

0.01”; 0.25 mm

to 100”/hr; 1999.9 

mm/hr

greater of 5% or 

0.04”/hr; 1 mm/hr

*

Barometric pressure readings are standardized to sea level. Elevation Range: -1500’ to +12,500’; -460 to + 3810 

m. Note: The console screen limits display of lower elevation to -999’ when using feet as elevation unit. 

**

This is the reduced value after standardizing to sea level.