Reports for September 2020 for the Copley sites. (Averages refer to 1981-2010)

Overall cool, dry and quite sunny.

Copley Lead Mill site 218metres asl
Temperature °C (09Z-09Z)
Mean maximum 14.8 (-1.1) High 21.5 on 15th, Low 9.3 on 24th
Mean minimum 6.5 (-0.8) Low -0.1 on 28th, High 12.6 on 8th
Mean screen 10.7 (-0.9)
Mean 30cm earth 13.1
Air frost 1
Days snow lying 50% 09Z, 0
Max depth 09Z 0cm on 00

Copley Met O site 253metres asl
Temperature °C (09Z-09Z)
Mean maximum 15.2 (-0.5) High 24.8 on 15th, Low 9.1 on 24th
Mean minimum 7.2 (-0.9) Low 1.2 on 28th, High 12.4 on 8th
Mean screen 11.2 (-0.7)
Mean grass minimum 3.7 (-1.0) Low -4.4 on 28th
Mean 30cm earth 13.8
Mean 100cm earth 13.7
Air frost 0
Ground frost 8

Precipitation mm (09Z-09Z)
Total 58.2 (90%) High 18.4 on 23rd
Days 0.2mm 16
Days 1.0mm 9
Hail 0
Thunder 0

Snow cm
Days falling 0
Days lying 50% 09Z, 0
Fresh falls 09Z 0cm
Max depth 09Z 0cm on 00

Sunshine hr (R&D electronic recorder) Sunshine hr (Campbell Stokes)
Total 137.5 (106%) 142.8
Max day 11.5 on 17th 10.5 on 21st
Average daily 4.6 (36% of the possible 12.8hr / day) 4.8 (37% possible)
Days no sun 4 5

Fog (Vis 1km 09Z), 0

Wind mph (Davis recorder)
Mean SW 8.9 (-0.9) High gust 45 on 13th
Gale days 0
Ken
Copley 253masl
Teesdale