Weather Data Specifications
50
Solar Radiation
Solar sensor
1 W/m
2
0 to 1800 W/m
2
5% of full scale
Inside
Temperature
Included in
Console
0.1
F; 0.1
C
+32
to +140
F;
0 to +60
C
1
F; 0.5
C
Outside
Temperature
***
ISS, Temp
Station or Temp
Hum Station
0.1
F; 0.1
C
-40
to +150
F;
-40
to +65
C
1
F; 0.5
C
Extra Temperature
ISS, Temp
Station, Temp
Hum Station,
Leaf Soil Station
or Soil Station
1
F; 1
C
-40
to +150
F
-40
to +65
C
1
F; 0.5
C
Heat Index
ISS or Temp/
Hum Station
1
F; 1
C
-40
to +165
F;
-40
to +74
C
3
F (1.5
C)
Temp-Hum-Sun-
Wind index
(THSW)
ISS & Solar
Radiation
1
F; 1
C
-90
to +165
F;
-68
to +74
C
4
F (2
C)
Time
Included in
Console
1 min
24 hours
8 sec./mon.
Date
1 day
month/day
8 sec./mon.
UV Index
UV Radiation
0.1 Index
0 to 16
5% of full scale
UV Dose
0.1 MED < 20,
1 MED > 20
0 to 199 MEDs
5%
Wind Direction
Anemometer
1
0 to 360
3
Compass Rose
22.5
16 compass pts
0.3 compass pt
Wind Speed (large
cups)
1 mph; 1 kt; 0.4 m/
s; 1 km/h
2 to 180 mph;
2 to 156 kts
3 to 290 km/h,
1 to 80 m/s
greater of
2 mph/kts;
1 m/s; 3 km/h
or 5%
Wind Chill
ISS
1
F; 1
C
-110
to +135
F
-79
to +57
C
2
F;1
C
***
Outside temperature accuracy is based on the temperature sensor itself and not on the sensor and
the passive shielding together. The solar radiation induced error for standard ration shield: +4
F (2
C)
at solar noon; for fan aspirated radiation shield: +0.6
F (0.3
C) at solar noon (insolation = 1040 W/m
2
,
avg. wind speed
2 mph (1 m/s), reference: RM Young Model 43408 Fan-Aspirated Radiation
Shield).
Weather Data Specifications
Variable
Required
Sensors
Resolution
Range
Nominal
Accuracy (+/-)
