There was also a sharp fall in the price of meat.

BBC: Wet weather helps Bank's inflation forecast

That coincided with a sharp fall in the price of carbon allowances under the EU's flagship emissions trading system and rising European prices for natural gas.

CNN: Shale gas boom sparks EU coal revival

In the fall of 2005, Hurricane Katrica also caused a sharp drop in gasoline stocks, leading to an atypical fall price increase.

FORBES: Why Spring Means Higher Gasoline Prices

Turns out, a good chunk of it resulted from the price spike in the quarter for hard disk drives, which saw a sharp fall-off in supply as as a result of the recent severe flooding in Thailand.

FORBES: Update: Avnet Profits Boosted By Higher HDD Prices