Hello Kutscha,
I don't think you will find some accurate datas for this airfield fuel quentities of the last months of WWII
Some source for a fuel production, where you can get some basic datas:
http://www.allworldwars.com/The%20De...r%20Force.html
Strategic Air Attack on the German oil Industry:
http://www.sturmvogel.orbat.com/ussbsoil.html
Best regards,
Balazs