Limited Knowledge.
Science has the problem of dissmissing what does not fit in with its conception of the facts and this is universal religion. Many monks of various religions gathered weather data over the last thousand years, which is worth investigating!
Science wants to model only on the last two hundred years of their accurate data?
The Earth has changed over the last 2000 years in European weather and this has to be taken into consideration.
Wisdom is a great gift from God, wither we believe in Him or not?
Genesis 41:1, 1 Kings 10:24, Psalm 9:10, John 8:32, 2 Peter 3:15.
Ask me and I will tell you! 