Temperatures

Average maximum 9.3°C
Average minimum 2.0°C
Average (15 min) 5.9°C.
Average (max+min) 5.7°C
Maximum 16.5°C 2nd
Minimum -4.3°C 20th
Lowest maximum 1.8°C 25th
Highest minimum 10.3°C 2nd and 3rd
Air frosts 9

Humidity

Max percentage 100% 2nd
Min percentage 64% 15th, 17th and 25th

Max dewpoint 16.0°C 2nd
Min dewpoint -6.5°C 25th

Wind

Max 10 min speed 12.9 kph
Max gust speed 51.5kph
Predominate dir WSW(28%)

Barometric pressure

Maximum 1040 hpa 22nd
Minimum 988 hpa 25th
Average 1016 hpa

Rainfall total 47.2mm
Rainfall max rate 41.9mm/hr
No of rain days 22 over 0.2mm 7 over 2mm 0 over 20mm



Alan Gardiner
Chiswell Green, St Albans
N51:44 W00:21
101m ASL