There are two periods in history (one during the dark ages) where they have figured the temperatures were much higher than today, and people weren't burning a hole lot of much besides wood back then. The "hockey stick" graph completely ignored them. No matter what numbers you entered into it, it produced the same results.
If you manage to get the "raw", or the actual, temperatures from NOAA, and average the teperatures for the last several summers, you will find that the average temp for July 2012 did not make it the hottest month on record. That record is still held by July 1934. July 1998 didn't break it either.
How is that? Adjustments. Rural and satellite temperature readings are lower than those from urban areas, so they are adjusted upward to match the ones in town. Not to mention that many urban weather stations are poorly located. Proper locations are 100 yards from any buildings, parking lots, or anything that can disrupt wind. As old technology is replaced by digital equipment it's moved to more convenient locations. Even in the middle of parking lots and on the wall beside the heat pump. Some are even installed beside warm-up ramps at airports, where jet exhaust can blow past them.
Add to that, approximately 50% of the world-wide weather stations have been closed in the last 30 years. Yes, half. Mostly in remote, high-elevation, high-lattitude locations. The colder ones.
Not only are we tasked with doing something about a manufactured problem, we are also expected to pay everyone else to do it, too.
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Today's Featured Article - Engine Valves - Some Helpful Information - by Staff. Intake - On the intake stroke the piston moves doward, sucking in carburized fuel through the open intake valve. Exhaust valve is closed. Compression - With both the intake and exhaust valves closed, the pistons upward stroke compresses or squeezes the fuel into the combustion chamber. Firing - Ignited by the spark, the compressed fuel explodes and forces the piston downward on its power stroke. Intake and exhaust valves are closed. Exhaust valves and seats are exp
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