Establishing trends within data is fundamental to any accurate analysis. Many types of weather data are very dynamic, varying not just seasonally but daily and hourly. Such data is best viewed as a three dimensional grid, with weeks of the year along the X axis and hours of the day along the Y.
Interactive 3D Graphs
Average weekly data is displayed on a 3D graph. Simply click and drag in the drawing area to rotate your view. The graph below shows average weekly wind speeds. A trend towards stronger winds during the middle of the day is clearly evident. So too are higher velocities at night in summer compared to winter (its a southern hemisphere location).
Other Measures
Such graphs can be displayed for temperature, humidity, solar radiation, wind speed, cloud cover and rainfall - all at the same time if required. If we take the previous graph as an example, simply comparing night-time summer wind speeds with average temperature will quickly determine if this location is suitable for a night-purge ventilation system. If so, a quick wind analysis would then show on what side to put the vents.
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