Monday, February 11, 2013

Six weeks of climate data:
Northern Polar Region #2, 30° to 60° East


Northern Polar Region #2 is the westernmost part of Russia above the Arctic Circle. A lot less continental land mass than Arctic Scandinavia, but two island groups give us a chance for readings nearer the pole.


As often happens, there are most stations where there are more people, so those larger dark circles represent the area around Murmansk. The blank areas are the Barents Sea and the line of dots above the gap is Franz-Josef-Land.

Here is the data for Winter from 1955 to 2010 in this region. The record for warmest temperature was in the 1990s, but the most recent interval has the highest median temperature and the highest minimum temperature.

Strongest argument for warming trend: The low and median temperature data.

Strongest argument against warming trend: The small differences between 1988-1999 and 1999-2010 in median and how long it's been since the high average record was set.


Here's the Spring data.

Strongest argument for warming trend: The low and median temperature data.

Strongest argument against warming trend: The small differences between 1988-1999 and 1999-2010 in the high and low records.


Summer. There was that one very warm Summer in the 1950s, but other than that the climate was relatively stable until the 1988 interval started.

Strongest argument for warming trend: All the data after 1988.

Strongest argument against warming trend: I don't think there is one.



Fall is very much like Summer, except that there wasn't a season in the second interval that broke the low record from the 1950s/

Strongest argument for warming trend: All the data except the highest temperature in the 70s and 80s didn't beat the warm Fall averages of the 1950s.

Strongest argument against warming trend: I don't think there is one.

There were a total of 48 readings, 12 in each season. Intervals can finish 1st, 2nd, 3rd or 4th, and ties are possible.

Most warmest readings: 1999-2010 with 11, 1988-1999 with 1.
Most 2nd warmest readings: 1988-1999 with 10, 1999-2010 with 1, 1955-1975 with 1.
Most 3nd warmest readings: 1975-1988 with 7, 1955-1975 with 5.
Most coldest readings: 1955-1975 with 6, 1975-1988 with 6.

Is this region warming from interval to interval? After 1988, certainly. Before then, it was static.

Is the rate of warming increasing? Much like Northern Polar Region #1, only winter looks like it's slowing down.

Tomorrow morning, the northern Polar region from 60° to 90° East, with much more continental land mass than this region but less islands closer to North Pole.
 

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