I guess ladybug calculate direct radiation instead of diffuse radiation and conversely

[mostapha]

Related:

Two .epw file for one city but there is many different in results

I agree with you but let’s see why you get this result from your weather file. Let’s start from a city that we know is sunny. Say Dubai. Here is what radiation rose and values for Dubai looks like: [dubai] The values from weather file shows that the hourly direct normal irradiance values (red) are higher than diffuse horizontal irradiance during the most of the year. The radiation rose also shows that direct contribution is higher than diffuse. This is what we expected to happen. Now let’s …