Growing up in the 2K's in Massachusetts, snow would start to ramp up in November, fall consistently throughout February, then March would kick off Spring. Now, it barely snows and stays in the 50's even through to Christmas, blizzards come through in February and March, and April is still freezing most of the month. That's only across a period of less than 30 years, and I've never lived to see an Ice Age. I doubt we have any control over this.