May 2003 Temperatures in Bolton
Average max: 15.6C
Highest max: 26.5C, 31st
Lowest max: 9.7C, 16th

Average min: 7.7C
Highest min: 12.7C, 30th
Lowest min: 1.5C, 15th

Average temp(˝max+min): 11.7C

No. days with rain observed: 20
No. days above 25C: 1
No. days above 20C:4

A fairly warm month, but it was also wet. From the 1st till the 10th it was fairly warm with some sun but also rain at times. From the 11th till the 24th it became much wetter with heavy rain at times. The lowest reading of 1.5C was recorded on the 15th and the lowest max of 9.7C was recorded on the 16th. From the 24th until the 31st it became progressively warmer culminating in the highest max of 26.5C on the 31st. It also became drier and sunnier.
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