Reports for January 2017 for the Copley sites. (Averages refer to 1981-2010)

Driest since 2006. Low wind speeds again.

Copley Lead Mill site 218metres asl
Temperature °C (09Z-09Z)
Mean maximum 5.4 (+0.5) High 9.7 on 10th, Low -1.8 on 26th
Mean minimum -0.5 (+0.5) Low -4.4 on 27th, High 6.5 on 16th
Mean screen 2.5 (+0.6)
Mean 30cm earth 3.5
Air frost 21
Days snow lying 50% 09Z, 4
Max depth 09Z 6cm on 13th

Copley Met O site 253metres asl
Temperature °C (09Z-09Z)
Mean maximum 5.6 (+0.6) High 9.7 on 10th, Low -2.0 on 26th
Mean minimum 0.0 (+0.1) Low -4.6 on 27th, High 6.2 on 16th
Mean screen 2.8 (+0.3)
Mean grass minimum -2.9 Low -8.1 on 6th
Mean 30cm earth 4.5
Mean 100cm earth 5.9
Air frost 18
Ground frost 26

Precipitation mm (09Z-09Z)
Total 23.5 (75%) High 4.8 on 1st
Days 0.2mm 15
Days 1.0mm 7
Hail 4
Thunder 0

Snow cm
Days falling 12
Days lying 50% 09Z, 4
Fresh falls 09Z 9cm
Max depth 09Z 8cm on 13th

Sunshine hr (R&D electronic recorder) Sunshine hr (Campbell Stokes)
Total 75.1 (100%) 69.1
Max day 7.9 on 25th 7.0 on 25th
Average daily 2.4 (30% of the possible 7.9hr / day) 2.2 (28% possible)
Days no sun 11 11

Fog (Vis 1km 09Z), 6

Wind mph (Davis recorder)
Mean W 10.1 (-3.7) High gust 60 on 11th
Gale days 2

Ken
Copley
Teesdale