Which of the following best reflects a change in climate: 1. its very windy today and will rain later. 2- droughts in california have become more common over the past few decades. 3- there is a hurricane forming off the coast of florida 4- tropical climates are likely to be wet and warm.

1) is wrong because it is talking about the weather, which is like climate, but much more short term.

2) is correct, because it is talking about California's weather as a whole rather than just a specific occurence of weather changing over time.

3) is wrong because that is just a statement about a result of Florida's climate, not a change of it.

4) is also incorrect because that describes a climate, not a change in the climate.