May 2002 Temperatures in Bolton

Average max: 14.4C
Highest max: 21.9C, 16th
Lowest max: 10.2C, 26th

Average min: 7.8C
Highest min: 15.7C, 17th
Lowest min: 3.2C, 12th

Average temp(˝max+min): 11.3C No. days with rain observed: 19
No. days with thunder heard: 1

No. days 20C or above: 2

A rather average month as regards temperatures and rather wet especially in the latter half of the month. From the 1st to the 12th it was generally fairly settled with only a little rain and a reasonable amount of sunshine. There was no frost during the month, the lowest min of 3.2C was recorded on the 12th. From the 13th to the 15th it became much more unsettled wth heavy rain at times. There was a short warm/sunny period from the 16th to the 17th when the highest max of 21.9C on the 16th and an exceptionally high min of 15.7C was recorded on the 17th. Fom the 18th until the end of the month it was generally cool and wet with some heavy rain. Strong winds were observed on the 22nd and 24th. The lowest max of 10.2C was recorded on the 26th.

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