A few years ago, climate alarmists were crying that we don’t get 0F nights any more in the US like we used to. Cold nights are now fifteen times more common than they were 17 years ago.
Now the same people say that the cold nights are due to extreme weather caused by climate change. This also is mindless superstition. There has been no long term trend in the number of 0F nights in the US over the past century.
Looking at the second graph, (Percentage Nights Below Zero from about 1915 to present) I am struck by the year to year changes. It actually looks like the long term average stays the same, but we have a 70 or 80 year cycle of increasing and decreasing variability.
Considering the UHI biased station mix in the USHCN, that’s actually far worse than it looks.
Yes, over at Jo Nova they were saying UHI was as ” UHI can make 5 to 7 degrees difference.”
Seems someone else is digging into the historical data. An interesting read:
http://joannenova.com.au/2015/03/historic-documents-show-half-of-australias-warming-trend-is-due-to-adjustments/
Anyone see a problem here?
https://www.facebook.com/Heart1073/photos/a.209799015698426.55916.207933782551616/947724205239233/?type=1&theater
http://www.abc.net.au/news/2015-01-06/2014-tasmania27s-second-warmest-year-on-record/6002232
Reblogged this on Globalcooler's Weblog.