Ken Cook
Reports for March 2023 for the Copley sites. (Averages refer to 1991-2020)
Dull and wet, normal temperatures
Copley Lead Mill site 218metres asl
Temperature °C (09Z-09Z)
Mean maximum 8.1 (-0.1) High 13.3 on 30th, Low 0.9 on 9th
Mean minimum 0.8 (+0.3) Low -8.3 on 8th, High 6.9 on 30th
Mean screen 4.5 (0.1)
Mean 30cm earth 5.1 (+1.0)
Air frost 11 (-3)
Days snow lying 50% 09Z, 5 (-1) snow on ground 7
Max depth 09Z 22cm on 10th
River Gaunless data (Copley Lead Mill Environment Agency monitoring site 09Z daily readings)
Mean level 0.16m high 0.36m on 13th, low 0.11m on 7th (normal 0.00m to 0.60m)
Mean river temperature 5.3, high 8.1 on 21st, low 2.1 on 10th
Copley Met O site 253metres asl
Temperature °C (09Z-09Z)
Mean maximum 7.9 (-0.2) High 13.4 on 17th, Low 0.6 on 9th
Mean minimum 1.4 (+0.2) Low -6.9 on 8th, High 7.6 on 30th
Mean screen 4.7 (0.0)
Mean grass minimum -0.8 (+1.0) Low -13.5 on 8th
Mean concrete minimum 1.3 (+0.6) Low -6.3 on 8th
Mean 30cm earth 5.9 (+0.7)
Mean 100cm earth 6.2 (+0.8)
Air frost 11 (0) 120 hours
Ground frost 14 (-7)
Concrete frost 11 (-2)
Precipitation mm (09Z-09Z)
Total 82.3 (135%) High 13.7 on 9th
Days 0.2mm 25 (+9)
Days 1.0mm 18 (+7)
Hail 4 (+1)
Thunder 0 (0)
Snow cm
Days falling 15 (+6)
Days lying 50% 09Z, 5 (0) snow on ground 7
Fresh falls 09Z 36cm (+23cm)
Max depth 09Z 24cm on 10th
Sunshine hr (R&D electronic recorder) Sunshine hr (Campbell Stokes)
Total 94.3 (72%) 99.0 (76%)
Max day 11.7 on 27th 11.0 on 27th
Average daily 3.0 (26% of the possible 11.8hr / day) 3.2 (27% possible)
Days no sun 7 (+2) 8 (+3)
Fog (Vis <1km 09Z), 2 (-1)
Wind KT (Davis recorder)
Mean SW 8.5 (-0.9) High gust 40 on 13th
Gale days 1 (0)
Ken Cook, Copley, Teesdale / Weardale watershed