October 2018 analysis S.E. England

Using the data from Heathrow airport (1950-2018, Met Office), I have tried to sum up the analysis on both minimum, maximum temperatures, number of days with air frost and cumulative rainfall during October 2018 and compared with the average 1971-2000 (Figure1).

Figure1.October average max and min temperatures (top ), days with air frost (bottom left) and cumulative rainfall (bottom right) in the period 1950-2018 recorded at Heathrow Airport.

Both October 2018 minimum and maximum mean temperatures (8.50/16.50 °C) are slightly above the 30 years average (8.17/15.70 °C), especially the maximum values. This is due to the mild temperatures observed in the first two decades, which were ‘counterbalanced’ by the cold spell occurred during the last decade which has caused a day of air frost (the first one after 7 years, thus after 2010).

Regarding the rainfall, the total cumulative precipitation observed (61 mm) is slightly above the monthly mean (60 mm) and it occurred mainly in the second decade.



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I am Edoardo and I am passionate about weather analysis and forecasing. I would like to share my knowledge and to learn more with others (both International and Italian community).

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