A rated warrant officer with over 22, 23, 24, or 25 years of aviation service, will continue to receive the rate prescribed for officers with over 14 years of aviation service.
1 Open windows when outdoor humidity levels are low. 2  This lets in a fresh breeze that can help even out home humidity levels. 3  Keep the windows closed when the humidity level is higher than the ideal 30 to 45 percent.4  Keep a small weather station on hand to help you track outdoor conditions right where you live. Open windows when outdoor humidity levels are low. 2  This lets in a fresh breeze that can help even out home humidity levels. 3  Keep the windows closed when the humidity level is higher than the ideal 30 to 45 percent.
According to the American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE), the ideal humidity range for humans is between 30 to 60 percent relative humidity. The ideal is somewhere around 45-55%. Very high levels of humidity contribute to the growth of mold, funguses, dust mites, and other pests. Mold contributes to a number of diseases and thrives in humid climates, generally above 60 percent humidity.