Since WWII was brought up, I’d like to at least offer something to the conversation for you to consider.
1) Science’s flaw is weather records have only been being kept for a little over a century or so. That's an awfully small sample size to provide enough data to make sweeping conclusions based on millions of years of weather on this planet.
2) The U.S. Navy, just before WWII rounded up all the old whaling captains they could find. Whaling captains kept meticulous logs, some of the best in Maritime history. They needed help charting the Pacific. The point here is this - weather was covered in most every log entry those captains made.
Now, an observation from someone in history with no political ax to grind.
Captain George Fred Tilton was the Master of seven different whaling ships. He became famous in 1898 for his 2000 mile trek across Alaska from Point Barrows to save the lives of crews from four ships stranded in the ice. His book "Cap'n George Fred Him Self," is one of the best original accounts of the life of a Whaler outside of Melville. In his 1928 published book, he explains some revealing observations of huge variations in the polar ice cap (variations were why he had to go save those men), not from a single visit, but rather from a lifetime sailing there in the mid-latter 1800s:
It was our custom to go somewhere about seven hundred miles beyond Franklin's Return Reef to Banks Land and Melville Sound, and that might seem funny to a good many people who never sailed north. You see, the polar circle chart made by McClure in 1855 shows all of that ice in there marked "immovable." Well, I have sailed all over that part of the Arctic Ocean, and not only that - there have been times when there wasn't a bit of ice in sight. There were summers, though, when we couldn't get within three hundred and fifty miles of Banks Land. That's how the seasons vary. Any Arctic whale-man will tell you that when a man goes into the Arctic he is a total stranger to the conditions every year. The land, naturally, is well anchored and don't shift, but that's the only thing that don't vary. In thirty-two years that I spent in the Arctic, I have never seen two summers alike as regards to ice.
Can you just imagine the media explosion if one of today's scientists recorded such differences in the ice cap over a year or two? What is even more incredible is Capt Tilton's observations were based on a map produced nine years before the invention of the Internal Combustion Engine.
I've lived long enough to survive both "The coming Ice age" Look up that 70's
Time cover, and "Global Warming". We're humans we will do us in long before the environment does.
Just something to consider.
And Oh, yeah, there's this NOAA chart from June, 1974
Time Mag article
Another Ice Age?