Ken Cook
Reports for January 2026 for the Copley sites. (Averages refer to 1991-2020)
Cold, dull and wet.
(Differences from 1991-2020 averages in
brackets)
Copley Lead Mill site 219metres asl
Temperature °C (09Z-09Z)
Mean maximum 4.0 (-1.2) High 8.8 on 12th, Low -0.8 on 10th
Mean minimum -0.8 (-0.4) Low -6.2 on 6th, High 4.3 on 13th
Mean screen 1.6 (-0.8)
Mean 30cm earth 2.6 (-0.8)
Air frost 17 (-2)
Days snow lying 50% 09Z, 5 (-5) snow on ground 9
Max depth 09Z 5cm on 11th
River Gaunless data (Copley Lead Mill Environment Agency monitoring site 09Z daily readings)
Mean level 0.25m, high 0.62m on 22nd, low 0.13m on 4th ((normal 0.00m to 0.60m)
Mean river temperature 09Z 4.1, high 6.1 on 20th, low 2.1 on 3rd
Copley Met O site 257metres asl
Temperature °C (09Z-09Z)
Mean maximum 4.3 (-1.1) High 9.0 on 12th, Low 0.6 on 5th
Mean minimum -0.4 (-0.8) Low -5.1 on 5th, High 5.4 on 13th
Mean screen 1.9 (-1.0)
Mean grass minimum -2.9 (-0.5) Low -11.2 on 6th
Mean concrete minimum -0.7 (-0.2) Low -7.2 on 6th
Mean 30cm earth 4.0 (-0.1)
Mean 100cm earth 5.5 (0.2)
Air frost 17 (2) 171.8 hours
Ground frost 21 (-3)
Concrete frost 15 (-4)
Precipitation mm (09Z-09Z)
Total 141.8 (197%) High 25.5 on 22nd
Days 0.2mm 24 (4)
Days 1.0mm 20 (6)
Hail 2 (0)
Thunder 0 (0)
Snow cm
Days falling 19 (6)
Days lying 50% 09Z, 6 (-2) snow on ground 10
Fresh falls 09Z 8cm (-13cm)
Max depth 09Z 5cm on 11th
Sunshine hr (R&D electronic recorder) Sunshine hr (Campbell Stokes)
Total 53.9(74%) 47.8(65%)
Max day 7.0 on 7th 6.4 on 5th
Average daily 1.7 (22% of the possible 7.9hr / day) 1.5 (19% possible)
Days no sun 15 (7) 17 (9)
Fog (Vis <1km 09Z), 12 (8)
Pressure mb (mean sea level)
Average 09Z 1002.1 (-10.7)
High 24hr 1034.6 on 1st
Low 24hr 982.6 on 27th
Wind KT (Davis recorder)
Mean SE 6.8 (-5.7) High gust 39 on 12th
Gale days 0 (-2)
Ken Cook, Copley, Teesdale / Weardale watershed