Sunday, 3 November 2013

October 2013 Review - Jyväskylä

October 2013 started in typical fashion with some of the last days of the year above 10C and a few nights below zero. The second half of the month was started with a hint of November when temperatures didn't climb above 3.5C for a week. However, warmer temperatures did return towards the end of the month with 11.7C and 10.4C being recorded on October 24 and 28 respectively.

Jyväskylä actually saw the highest number of October days over 10C for the last 5 years. A total of 10 days in the month were above 10C compared to 0 days for 2009, 5 for 2010, 7 for 2011 and 6 for 2012. This year also saw the highest October temperature of the last 5 years, 14.4C recorded on October 7. Despite that, the average maximum for the month was still below 2011's mark.

The table below compares averages from the last 5 years for the month of October in Jyväskylä.

Jyväskylä

2009

2010

2011

2012

2013
Average Min.
-3.0
0.2
2.0
1.0
0.5
Average Max.
4.1
5.7
8.3
6.0
7.7
Monthly averages for October in Jyväskylä for the period 2009-2013


The average minimum was in the middle for the 5 year period as shown in the table above. A monthly low of -7.4C on October 20 was also in the middle, with the 5 year low of -10.1C recorded last year. The highest minimum for the month was 9.9C, second only to last year's 10.3C.

While the average minimum was in the middle, the timing of the higher temperatures was quite different. As shown in the graph below the minimum of 8.4C recorded on October 28 was the latest time in the year for such a high during the last 5 years. If not for the cooler period in the middle of the month the average minimum probably would have been the highest.

October minimums in Jyväskylä for the period 2009-2013

In terms of rain, according to the Finnish Meteorological Institute the monthly rainfall of 60mm was well below last year's total of 103mm and also below the 1981-2010 average of 66mm. The cooler period mentioned above also brought the first real snowfall. Places around Jyväskylä received up to 10cm of snow on October 18. It slowly disappeared during the week that followed but disappeared completely afterwards.

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