Wind error with CSV exec fail(windpower): error reading wind resource file for..

Hello, I've searched the help forum but can't find this answer.My data are resulting in an error no matter the format I use, whether I have data for every hour for just wind speed, all wind speed data + one of wind direction + temp + air pressure, or data for each of these for every hour. I've also tried using the format that the SAM downloads are in, although the Help page on CSVs seems to indicate this isn't necessary (added columns for Year, Month, Day, Hour, Minute). 
These wind values are for a region in Bhutan, so I can't use the available SAM data.I've searched the help forums and the internet. Can someone help me? exec fail(windpower): error reading wind resource file for interpolation at time step 0: 
Simulation windpower failed :exec fail(windpower): error reading wind resource file for interpolation at time step 0:

Fixed this with conversion to .srw, but the Help file does say a CSV will work now? What is going on?

Thank you!

Here is one of the srw's that are working, copied from the examples.