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.
For the most part, humidity level between 40% and 60% should be ideal for your Maryland basement. Of course, humidity is going to vary depending on the weather, so you might want to measure it several times to determine your average.Step 2: Control Humidity.et a dehumidifier. Depending on the size of your basement and the extent of the humidity problem, you might need a few of these. Get one first and see how well it performs. If it can get humidity levels down to 50% and even lower â you should be all set.