Weather Data Specifications
49
Weather Data Specifications
Note:
These specifications include optional sensors that may not be installed in your Vantage Pro2
Station.
Weather Data Specifications
Variable
Required Sensors
Resolution
Range
Nominal Accuracy
(+/-)
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 +15,300’; -460 to + 4670
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.
