Happy New Year, everyone.

Reports for December 2018 for the Copley sites. (Averages refer to 1981-2010)

Dry, mild and cloudy, no lying snow

Copley Lead Mill site 218metres asl
Temperature °C (09Z-09Z)
Mean maximum 6.5 (1.1) High 11.2 on 6th, Low 0.3 on 14th
Mean minimum 0.9 (1.2) Low -4.0 on 14/15th, High 7.2 on 31st
Mean screen 3.7 (1.2)
Mean 30cm earth 4.6
Air frost 13
Days snow lying 50% 09Z, 0
Max depth 09Z 0cm on 00

Copley Met O site 253metres asl
Temperature °C (09Z-09Z)
Mean maximum 7.0 (1.7) High 11.1 on 6th, Low 1.8 on 14th
Mean minimum 1.6 (1.1) Low -3.3 on 4th, High 7.2 on 31st
Mean screen 4.3 (1.4)
Mean grass minimum -1.9 Low -10.1 on 4th
Mean 30cm earth 5.7
Mean 100cm earth 7.0
Air frost 10
Ground frost 22

Precipitation mm (09Z-09Z)
Total 60.5 (69%) High 14.4 on 15th
Days 0.2mm 15
Days 1.0mm 12
Hail 2
Thunder 0

Snow cm
Days falling 4
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 66.2 (93%) 55.4
Max day 6.8 on 9th 6.1 on 9th
Average daily 2.1 (29% of the possible 7.3hr / day) 1.8 (25% possible)
Days no sun 8 8

Fog (Vis 1km 09Z), 4

Wind mph (Davis recorder)
Mean WSW 10.1 (-1.8) High gust 53 on 29th
Gale days 1 (29th)

Ken
Copley
Teesdale