Final answer:
Extreme hot or cold years are rare but occur with similar frequency in any stable climate time period.
Step-by-step explanation:
Within any stable climate time period, extreme hot or cold years are rare but occur with similar frequency. This means that both hot and cold temperature extremes can happen, but they are infrequent. The average temperature patterns may have some variability, but extreme hot and cold years do not occur frequently.
Learn more about Temperature patterns in stable climate time periods