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.
Night-time temperatures should be on the cool side, below 60AF. Humidity Low humidity around the home, usually averaging 10 to 15 percent, can be a problem for many tropical indoor plants. Thirty percent humidity is about as low a level as a fern can tolerate. Forty to 50 percent humidity is a more desirable range.