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 +135°F;
-40° to +57° C
3°F (1.5°C)
Temp-Hum-Sun-
Wind index
(THSW)
ISS & Solar
Radiation
1°F; 1°C
-90° to +135°F;
-68° to +64° 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 Do
se
0.1 MED < 20,
1 MED > 20
0 to 199 MEDs 5%
Wind Direction
Anemometer
1° 0 to 360° 4°
Compass Rose 22.5° 16 compass pts 0.3 compass pt
Wind Speed (large
cups)
1 mph; 1 kt; 0.5 m/s;
1 km/h
2 to 150 mph;
2 to 130 kts
3 to 241 km/h,
1 to 68 m/s
greater of
2 mph/kts;
1 m/s; 3 km/h
or 5%
Wind Speed (small
cups)
1 mph; 1 kt; 0.5 m/s;
1 km/h
3 to 175 mph;
3 to 150 kts
1.5 to 79 m/s
5 to 282 km/h
greater of
3mph; 3 kts;
1 m/s; 5km/h
or 5%
Wind Chill ISS 1°F; 1°C
-110° to +130°F
-79° to +54°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
(+/-)
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