Cloud texture generation not working

So, i am generating a texture2d which should just contain a cloud texture, however, only the number 0.4652731 is outputted, am i missing something obvious?

 public float cloudVal (int depth, int x, int y, bool shouldOutput)
     {
         float temp = 0;
         for (int d = 0; d < depth; d++)
         {
             temp += Mathf.PerlinNoise(x + (20 * d * d), y + (35 * d * d));
             if (shouldOutput)
             {
                 Debug.Log(x + " " + y);
             }
         }
 
         temp /= depth;
 
         if (shouldOutput)
         {
             Debug.Log(temp);
         }
 
         return temp;
     }

All of my variables seem to be fed correctly into the function, so i don't understand where the problem lies, if not here. If you ask, I'll put up the entire script

Thank you in advance!