Spring in Chicago builds character

The temperature at O'Hare yesterday hit 22.8°C, beating the previous record high by...

(Well, that's interesting. The National Weather Service seems to have removed their Chicago daily temperature records pages. Fortunately the National Centers for Environmental Information has a tool to find the previous record, but this is just another annoying effect of the OAFPOTUS's wanton destruction of our government. I suppose I should build out the climate features on Weather Now before the data goes away entirely...)

Anyway, the previous record was 20.6°C set in 2021, nearly tied by last year's 20°C. Flash forward 18 hours and it looks like a cold front has just passed through:

Cassie and I started her morning walk just after 7:30, when the temperature was still 11°C. It was 9°C when we got home 20 minutes later. And now it's around 8°C.