Figure 10
The horizontal axis shows markings for Case A: 9th June to 22nd July, Case B: 9th June to 11th July, Case C: 22nd July to 4th August, Case D: 5th to 20th August, and Case E: 29th August to 19th September from left to right. The vertical axis is labeled “Indoor air R H (percent)” and ranges from 0 to 100 in increments of 10 percent. The legend of the bars is as follows: red bar for Average R H per flat, purple bar for Average outdoor R H. Case A: Average R H per flat, 52. Average outdoor R H, 58. Case B: Average R H per flat, 40. Average outdoor R H, 55. Case C: Average R H per flat, 53. Average outdoor R H, 69. Case D: Average R H per flat, 50.5. Average outdoor R H, 64. Case E: Average R H per flat, 42. Average outdoor R H, 58. The region between 40 to 60 percent is highlighted.Average recorded indoor and outdoor RH aligned with the recommended values by Sterling (40–60% RH) (Sterling et al., 1985)