Ken Cook
Reports for September 2024 for the Copley sites. (Averages refer to 1991-2020)
Cool, wet and dull
(Differences from 1991-2020 averages in brackets)
Copley Lead Mill site 218metres asl
Temperature °C (09Z-09Z)
Mean maximum 13.9 (-2.1) High 19.1 on 7th, Low 9.5 on 26th
Mean minimum 7.1 (-0.3) Low 0.1 on 13th, High 13.8 on 7th
Mean screen 10.5 (-1.2)
Mean 30cm earth 12.6 (-0.8)
Air frost 0 (0)
Days snow lying 50% 09Z, 0 (0) snow on ground 0
Max depth 09Z 0cm on 0
River Gaunless data (Copley Lead Mill Environment Agency monitoring site 09Z daily readings)
Mean level 0.10m high 0.52m on 26th, low 0.07m on 1st (normal 0.00m to 0.60m)
Mean river temperature 09Z 9.8, high 11.9 on 6th, low 7.3 on 28th
Copley Met O site 253metres asl
Temperature °C (09Z-09Z)
Mean maximum 14.5 (-1.5) High 20.3 on 17th, Low 9.6 on 26th
Mean minimum 7.8 (-0.4) Low 0.9 on 13th, High 13.9 on 7th
Mean screen 11.1 (-1.0)
Mean grass minimum 5.2 (0.4) Low -4.1 on 13th
Mean concrete minimum 8.2 (0.2) Low 1.1 on 13th
Mean 30cm earth 14.3 (0.2)
Mean 100cm earth 14.1 (0.3)
Air frost 0 (0) 0 hours
Ground frost 9 (4)
Concrete frost 0 (0)
Precipitation mm (09Z-09Z)
Total 127.8 (191%) High 46.7 on 25th
Days 0.2mm 16 (1)
Days 1.0mm 11 (2)
Hail 1 (0)
Thunder 0 (0)
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 0
Sunshine hr (R&D electronic recorder) Sunshine hr (Campbell Stokes)
Total 113.1(84%) 113.7 (78%)
Max day 11.7 on 16th 10.9 on 16th
Average daily 3.8 (30% of the possible 12.8hr / day) 3.8 (30% possible)
Days no sun 9 (6) 9 (6)
Fog (Vis <1km 09Z), 8 (6)
Pressure mb (mean sea level)
Average 09Z 1015.5 (0.9)
High 1033.7 on 18th
Low 987.5 on 26th
Wind KT (Davis recorder)
Mean N 5.7 (-2.9) High gust 46 on 10th
Gale days 0 (0)
Ken Cook, Copley, Teesdale / Weardale watershed