seasonal Averages and Totals for Autumn 2017

*Anomaly figures compare values to 30 year averages*

Anomaly

Date

Temperatures

(ยบ C)

Mean seasonal

  11.2

+0.5

Warmest day

 21.6

  4/9          

Coldest day

  2.9

30/11       

Average maximum

  14.6

  +0.4

Warmest night

 15.5

  5/9      

Coldest night

-1.8

17/11    

Average minimum

   7.8

  +0.6

Lowest Grass Minimum

 -6.1

17/11

Rainfall

(mm)

Total

155.8

 82%

Rain days > 0.2mm

   55

Wettest day

 18.2

24/09    

Wet days>1.0mm

   34

Very wet days > 5.0mm

   9

Sunshine

(hr)

Total

273.6

 89%

Sunniest day

  8.6

1/9        

Days without sunshine

9

Days with:

Air frosts

     3

Snowfall

1

Ground frosts

    16

Snow lying

0

Fog

0

Gales

0

Thunder

0

Hail

0

Some brief comments on the climate statistics for Autumn 2017

This was the fifth milder than average autumn in Coventry in a row. Only five autumns have been cooler than average since 1993.

Only six autumns have been drier than 2017 in Coventry since 1990.

Only seven autumns have recorded less sunshine than 2017 in Coventry since 1976.