This question has been asked a million times and I don't hink anyone wants to answer you.
If you go back into old pages in forum, you will find a million post on this and also its on the tHG homepage.
Save you some time though, 65 is fine, but hardly close to normal. they can go to 75-90watts even. But the ideal would be high 30' low 50's idle.
Mine is just under 50 degrees at idle using the zalman cnps9500led at lowest rpm in silent mode.