I'm a believer in the little ice age that lasted from 1350-1850 and had global temperatures of -1c to -1.5c colder then today from 1600-1750. The facts through scientific research and pictures and eye witness, letters make it impossible to say the 19th century was warmer then today. The solar output of the mid 19th century was not nearly that of 1920-1950 time period for a natural period of the late 19th century to be warmer then it either.
The climate was -.5c to -.7 colder then today in the last decade of the 19th century. No other research including local temperature data supports this guy.
So
1# Far lower solar forcing during the 19th century then the mid 20th.
File:Temp-sunspot-co2.svg - Wikipedia, the free encyclopedia 50 in the late 19th to near 100 by 1950. Also this clearly shows it even better with the solar forcing->
http://upload.wikimedia.org/wikipedia/en/1/17/Solar_Forcing_GISS_model.gif
2# 5-8 times more snow throughout parts of the US
3# Longer growing seasons during the 19th century, 1810's had years that snowed in summer.[/QUOTE]
That was due to the eruption of Tambora. 1816, otherwise known and Eighteen Hundred and Froze to Death.
Tambora
What?
In 1816, the overal temperature on Earth, specifically in the Northern Hemisphere, lowered so drastically that it became known as the year without a summer. Weather was disturbed all over, with problems in Western Europe and the United States, as well as Asia. Monsoon season was affected, which is thought to also be tied to a cholera epidemic that year. In places like New England and Canada, frost was recorded in every month of the year, and snow fell in June. This phenomenon is known as global cooling.
The summer temperatures in 1816 averaged just a few degrees below normal, but as mentioned, it frosted throughout the summer. The highs were still close to 100 degreed Fahrenheit on some days. However, the cold spells, especially at night, cause massive crop failure, and, as a result, even more famine.