Summary for May 2011 for Preston, Lancs.
Temperature (°C):
Mean (1 minute) 12.6
Mean (min+max) 13.0
Mean Minimum 8.6
Mean Maximum 17.3
Minimum 3.0 day 04
Maximum 23.1 day 06
Highest Minimum 12.8 day 07
Lowest Maximum 12.0 day 16
Air frosts 0
Rainfall (mm):
Total for month 53.7
Wettest day 7.5 day 16
Rain days 21
Wind (mph):
Highest Gust 30.4 day 23
Average Speed 2.8
Wind Run 2121.5 miles
Gale days 0
Pressure (hPa):
Maximum 1038.8 day 24
Minimum 1014.1 day 26
Days with snow falling 0
Days with snow lying at 0900 0