Here are the reports for May 2009 for the Copley sites.
(Averages refer to 1971-2000)

Warm, dry and sunny.

Copley Lead Mill 218metres asl
Temperature °C
Mean maximum 15.2 High 22.9 on 29th Low 10.6 on 4th
Mean minimum 4.6 Low 0.8 on 10th High 9.0 on 28th
Mean screen 9.9
Air frost 0
Days snow lying 50% 09Z 0
Max depth 09Z 0cm on 0th

Copley Met O site 253metres asl
Temperature °C
Mean maximum 14.6 (+1.2) High 23.2 on 29th Low 10.0 on 15th
Mean minimum 5.4 (+0.9) Low 1.8 on 10th High 9.0 on 28th
Mean screen 10.0 (+1.0)
Mean AWS(Davis) 9.5
Mean grass minimum 1.8 (-0.8) Low -2.1 on 9th
Air frost 0 (-1)
Ground frost 13 (+3)

Rainfall mm
Total 43.7 (73%) High 15.9 on 15th
Total AWS(Davis) 47.2
Rain days 15 (0)
Wet days 11 (+1)
Hail 1 (0)
Thunder 1 (0)

Snow cm
Days falling 0 (-1)
Days lying 50% 09Z 0 (0)
Fresh falls 09Z 0cm (0cm)
Max depth 09Z 0cm on 0th

Sunshine hr (R&D recorder)
Total 217.3 (117%) High 16.4 on 30th
Days no sun 3 (+1)
Fog 09Z 0 (0)

Wind mph (Davis recorder)
Mean SW 10.8 (+2.1) High gust 53 on 8th
Gale days 0 (0)

Mean barometer (Kestrel recorder) 1016mb (+1)

Sunniest May since 2001
16.4hr on 30th was the sunniest day on my record for any month.

Ken,
Copley, nr Barnard Castle, Teesdale, County Durham
http://copley.website.orange.co.uk