Bienvenido, El Niño

The El Niño part of the ENSO typically gives Chicago warm, dry winters (relatively—it still gets cold and snowy here, just not as cold and snowy as usual).

Exhibit 1, a map of temperature anomalies in the Continental US for the first 12 days of December:

I'm about to leave the office to go home, where it's 8°C, after hitting 11°C at O'Hare a couple of hours ago. Tomorrow it might get warmer. And that's OK by me.