similarly as average river temperatures creep up, the number of days of extreme river temperatures grows exponentially
https://www.democraticunderground.com/?com=view_post&forum=1014&pid=3290571

The graph illustrates that a small shift to the right in the average shifts the whole bell curve to the right, and, in this illustration makes hot weather (orange) much more common and extreme hot weather (red) from almost zero probability to considerable probability
Specific examples are in the link above
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More on heat waves --

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Air conditioning costs set to soar (they increase at the SQUARE of the temperature differential)
https://www.democraticunderground.com/1127174891
So, on top of an exponential increase in extremely hot days, you have air conditioning electricity consumption increasing exponentially with the rise in temperatures. That's an exponential increase on top of an exponential increase.
Another vicious cycle
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Don't get me started on AI data centers, notorious consumers of large quantities of both electricity and water