Because none of it is true, and none of it happened.
I
Daily data about HCN stations and adjusted data from NOAAS and GISS
Just found this while looking at CA snow data. Fascinating little climate station in the mountains
Doing a search I found a 2008 blog post about this
With a graph of USHCN data up till 2008
"When we talk about climate change, we talk about changes in long-term averages of daily weather. Today, children always hear stories from their parents and grandparents about how snow was always piled up to their waists as they trudged off to school. Children today in most areas of the country haven't experienced those kinds of dreadful snow-packed winters, except for the Northeastern U.S. in January 2005. The change in recent winter snows indicate that the climate has changed since their parents were young."
Here's a look using Amherst and Blue Hill data
https://news.climate.columbia.edu/files/2009/10/broeckerglobalwarming75.pdf
From SCIENCE
Climatic Change: Are We on the Brink of a Pronounced Global Warming?
Complicated polar vortex conversation (link might not work) Time spent with GROK is priceless Yes — I can simulate clicking through the t...