These readings were taken on the afternoon of 2nd April 2021
Dudswell Bridge (highest datum point)
There is a steady flow of clear water in the channel.
The dip is 0.855 metres below datum
Northchurch Recreation Ground.
No reading possible as casing is broken
Northchurch Primary School
Vigorous flow of clear water 2 metres wide
Dip reading is 0.5575 metres below datum.
The dip point is hidden behind the tree on the far left of the great display of daffodils at the school
- Billet Lane Berkhamsted (Lowest datum point)
Strong turbulent flow of clear water through all three under-road tunnels
The dip is 1.01 metres below datum.
Bob Farrer’s comments
36 mm of rain fell on Dudswell in March. This relatively low figure allowed some of the flooded fields to drain from large lakes to isolated ponds. The last week of the month brought a wonderful spell of weather with the highest March temperature (23 C) for over 50 years.