Summary for October 2017

October 2017 was a very dry month. Just 12.6mm of rain were recorded, the driest October since 1995.
The monthly mean finished 13.1C, 1.3C above average and the seventh warmer than average month this year.

One thing I've noticed looking at some stats tonight is that sunshine levels at Heathrow have been decreasing since around 2009.

Temperature (°C):
Mean (1 minute) 13.2
Mean (min+max) 13.1
Mean Minimum 9.7
Mean Maximum 16.6
Minimum 0.9 day 29
Maximum 22.2 day 16
Highest Minimum 15.8 day 13
Lowest Maximum 11.3 day 30
Air frosts 0
Ground frosts 2

Rainfall (mm):
Total for month 12.6
Wettest day 2.8 day 18
High rain rate 12.1 day 11
Rain days 8
Dry days 23

Wind (mph):
Highest Gust 23.5 day 02
Average Speed 3.4
Wind Run 2495.1 miles
Gale days 0

Pressure (mb):
Maximum 1034.0 day 27
Minimum 996.3 day 19

Days with snow falling 0
Days with snow lying at 0900 0