La Crosse Technology WS-7059-SU Specifications, Recommended operating temperature

IV.	SPECIFICATIONS
Radio controlled time signal:		WWVB
Recommended operating temperature:
Weather Station:		32°F to 122°F (0°C to 50°C)
Remote Sensor:		-25°F to +158°F
LCD contrast:		8 levels
Temperature measuring range:
Indoor:		32°F to 122°F with 0.2°F
		resolution. (0°C to 50°C with
		0.1°C resolution) (“OFL”
		displayed if outside this range)
Outdoor:		-21.8 °F to 156.2°F with 0.2°F
		resolution.
		(-29.9°C to 69.0°C with 0.1°C
		resolution).
Relative indoor humidity range:		19% to 95% with 1% resolution
If the indoor temperature is		Indoor relative humidity will
outside the range “OFL”:		display “- -”
If the indoor relative humidity		Indoor relative humidity will
is less than 20% or greater than		display 19% or 96%
95%:
		23