The March provisional totals for the Tweed fish counters can be found at the following link :-
Fish counter provisional totals
The first Salmon counted through the Ettrick Counter was on the 20th March and measured 78 cm.
For the Whiteadder, the first fish was on the 15th March and measured 82 cm (Video here) A fish estimated to 25lbs (100 cm) was recorded on the 23rd (video here).