What are the operating temperature and humidity specifications for the HP Z840 Workstation?

The operating temperature range is 5°C to 35°C (40°F to 95°F), with a non-operating range of -40°C to 60°C (-40°F to 140°F). Operating humidity is 8% to 85% relative humidity, non-condensing, and the operating altitude limit is 0 to 3,048 m (10,000 ft). Note that temperature should be derated by 1°C for every 305 m of altitude over 1,524 m.