More than 170 people have died in a cold snap sweeping across northern India, reports say.
Utility output jumped 3.5 percent, as a cold snap led more households to turn up their heat.
Mr Watts said farmers were now desperately hoping for a cold snap.
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In a statement, the PSNI said motorists had a tendency to leave their vehicles running during a cold snap to de-ice them or warm them up.
We stepped off the jet yesterday to a cold snap, a surly stock market and kids who see Marji and me as waiters, dishwashers and ATM machines.
He said the incident was probably the result of "recent weather changes we are having - particularly heavy rain fall and the start of a cold snap".
It snows occasionally, here, but rarely do you get such a severe cold snap.
In Brazil, a freak cold snap actually brought snowfall to the southern states of Santa Catarina and Rio Grande do Sul.
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Superstorm Sandy in the United States, drought in Africa's Sahel, a bitter cold snap in Europe and floods in China were just some of the severe weather events of 2012.
With this supply squeeze in mind, the drop in exports caused by a spike in domestic demand during the Russian cold snap earlier this year may be a more worrying precedent than the political spat with Ukraine.
At least 29 people are thought to have died as a direct result of the cold snap.
This week's cold snap is being seen as a bonus in a business that is notoriously unpredictable.
Extra gas - including supplies from Belgium and Norway - was necessary to meet rising demand after a 30% rise on normal seasonal use during the cold snap.
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The cold snap triggered blinding snow in some areas Monday, spawning a number of traffic pileups in Ohio alone, including one fatal wreck involving 86 vehicles.
Separately, a study by the Reuters news agency shows that, if the current cold snap continues as forecast, the country could run out of stored gas supplies as soon as 8 April.
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The cold snap could either delay the start of the allergy season, or give it a head start, depending on how close the trees are to releasing pollen.
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