It is an indication of a future weather condition. It is an indication of the amount of humidity. It is an indication of weather at a specific time. It is an indication of the existing climate.
In which way is any single observation of wind speed best described?

Options:
- It is an indication of a future weather condition.
- It is an indication of the amount of humidity.
- It is an indication of weather at a specific time.
- It is an indication of the existing climate.

It is an indication of weather at a specific time.