He said the six warmest years on record were, in order, 1988, 1987, 1983, 1981, 1980 and 1986.

Indeed, 2010 was one of the warmest years on record.

Both note that 9 of the 10 warmest years on record have occurred since 1990.

But even in a warm year such as this one has been, there is usually too much Christmas for just one day.

It will be replaced by 2007 as the warmest year.

But 8 of the 10 warmest years on record have occurred in the past decade.

Nine of the 10 warmest years have occurred since 1990.

But in warmer years the grapes cannot be picked until late into January.

It was the warmest year since records began in 1884.

Through May, 1991 has been one of the world's warmest years since people began keeping records more than a century ago.