As of last night the figure stood at 53 criminal acts compared with 141 last year.
Mostly, they are theft from tents (18 compared to 70 last year) and drug offences (20 compared to 28 last year), these offences include possession of cannabis, possession of drugs and possession with intent to supply.
VIDEO: Thames Valley Police are advising Reading festival-goers to leave their valuables at home following a spate of thefts at previous events. Although crime decreased at last year's festival, officers dealt with 190 cases of theft. Reading Festival begins on Friday.
Organisers have announced a host of acts including Blur guitarist Graham Coxon, Scots rockers Twin Atlantic and Welsh act The Blackout for the NME/Radio 1 Stage at Reading this year. Also joining the stage's lineup are The Joy Formidable - at the request of headliners the Foo Fighters.
The Hives, Passion Pit, Spector, Chiddy Bang, Here We Go Magic, Mastodon, Santigold, Dry the River, Pure Love, Mark Lanegan band, Tribes, Django Django, Howler and Of Monsters and Men have also been confirmed for the festival.
They will play alongside the stage's previously announced acts which include The Courteeners, The Maccabees, Billy Talent and At the Drive In.