Reports for May 2015 for the Copley sites. (Averages refer to 1981-2010)

Cool, windy, wet and cloudy. Sleet fell midnight 31st - 1st June. 20C not reached yet in 2015.

Copley Lead Mill site 218metres asl
Temperature °C (09Z-09Z)
Mean maximum 13.0 (-1.6) High 18.5 on 23rd, Low 8.0 on 2nd
Mean minimum 4.3 (-0.1) Low -2.9 on 1st, High 9.3 on 11th
Mean screen 8.7 (-0.9)
Mean 30cm earth 10.2
Air frost 3
Days snow lying 50% 09Z, 0
Max depth 09Z 0cm on 0

Copley Met O site 253metres asl
Temperature °C (09Z-09Z)
Mean maximum 12.5 (-1.7) High 17.9 on 23rd, Low 7.5 on 2nd
Mean minimum 4.7 (-0.4) Low -0.5 on 1st, High 9.0 on 11th
Mean screen 8.6 (-1.1)
Mean grass minimum 1.5 Low -7.6 on 1st
Mean 30cm earth 10.1
Mean 100cm earth 9.2
Air frost 1
Ground frost 10

Precipitation mm (09Z-09Z)
Total 96.7 (186%) High 22.7 on 4th
Days 0.2mm 20
Days 1.0mm 14
Hail 2
Thunder 1

Snow cm
Days falling 2
Days lying 50% 09Z, 0
Fresh falls 09Z 0cm
Max depth 09Z 0cm on 0

Sunshine hr (R&D recorder)
Total 172.5 (94%) High 12.0 on 23rd
Average daily sun 5.6hr (35% of the possible 16.1hr / day)
Days no sun 0
Fog (Vis 1km 09Z), 2

Wind mph (Davis recorder)
Mean W 12.3 (+2.0) High gust 48 on 5th
Gale days 0

Ken
Copley
Teesdale