Ken Cook
Reports for July 2025 for the Copley sites. (Averages refer to 1991-2020)
Warm, normal sunshine, quite dry.
(Differences from 1991-2020 averages in brackets)
Copley Lead Mill site 218metres asl
Temperature °C (09Z-09Z)
Mean maximum 20.2 (0.6) High 27.9 on 11th, Low 15.6 on 15th
Mean minimum 10.3 (0.7) Low 4.0 on 3rd, High 14.5 on 20th
Mean screen 15.3 (0.7)
Mean 30cm earth 17.4 (1.3)
Air frost 0 (0)
Days snow lying 50% 09Z, 0 (0) snow on ground 0
Max depth 09Z 0cm on 0th
River Gaunless data (Copley Lead Mill Environment Agency monitoring site 09Z daily readings)
Mean level 0.07m, high 0.16m on 21st, low 0.06m on 1st ((normal 0.00m to 0.60m)
Mean river temperature 09Z 11.4, high 12.8 on 22nd, low 10.0 on 3rd
Copley Met O site 253metres asl
Temperature °C (09Z-09Z)
Mean maximum 20.2 (1.0) High 28.9 on 11th, Low 15.9 on 15th
Mean minimum 11.2 (1.0) Low 6.3 on 3rd, High 14.9 on 20th
Mean screen 15.6 (1.0)
Mean grass minimum 6.8 (-0.2) Low -1.0 on 3rd
Mean concrete minimum 11.7 (1.0) Low 5.9 on 3rd
Mean 30cm earth 17.0 (1.1)
Mean 100cm earth 15.4 (1.2)
Air frost 0 (0) 0 hours
Ground frost 1 (0)
Concrete frost 0 (0)
Precipitation mm (09Z-09Z)
Total 66.6 (86%) High 15.2 on 15th
Days 0.2mm 15 (-1)
Days 1.0mm 10 (-1)
Hail 0 (0)
Thunder 1 (-1)
Snow cm
Days falling 0 (0)
Days lying 50% 09Z, 0 (0) snow on ground 0
Fresh falls 09Z 0cm (0cm)
Max depth 09Z 0cm on 0th
Sunshine hr (R&D electronic recorder) Sunshine hr (Campbell Stokes)
Total 169.2(101%) 179.7 (93%)
Max day 15.8 on 11th 14.6 on 11th
Average daily 5.5 (33% of the possible 16.7hr / day) 5.8 (35% possible)
Days no sun 1 (-1) 1 (-1)
Fog (Vis <1km 09Z), 2 (1)
Pressure mb (mean sea level)
Average 09Z 1014.4 (-0.4)
High 24hr 1026.3 on 3rd
Low 24hr 998.6 on 20th
Wind KT (Davis recorder)
Mean W 5.8 (-1.0) High gust 44 on 4th
Gale days 0 (0)
Ken Cook, Copley, Teesdale / Weardale watershed