Typical water-from-air resource chart. Praia has an annual index of 0.86. This value is the monthly average water vapour density divided by 15.3 g/cubic m. This latter value is the water vapour density at standard conditions of 26.7° C dry bulb temperature and 60% relative humidity and 1 atmosphere air pressure (sea level). Click to enlarge chart.
Excerpt from the sorted list of more than 450 Water-from-Air Resource Charts available from the Atmoswater Shop.
This list is focused on the operation of mechanical-dehumidifier-type atmospheric water generators. Which sites are suitable every month of the year? Part of the year? Never? An annual index of 1.00 or higher usually signals a site is ideal for AWGs, with plenty of moisture in the air year-round. Lower index values indicate the magnitude of the water-from-air resource varies with the seasons. Even though a site may have a relatively low index value it is worth checking the chart to see if AWG operation is possible during drought-prone high-sun months. Click here to go to the web-page with the entire 12-page list.
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