I notice by the way that pumping up my tires makes quite a difference to the "distance" recorded - going from 50 to 120 psi for the Dunwich Dynamo seems to have shortened my commute by just over 1%.
Note
Nine days until I embark on my 1400km tour of the UK. Erk.
Cycle Commuting (Back Home) 30:41 [1] 8.76 km (3:30 / km)
Very wet on the ground, after torrential rain, so went very, very carefully indeed. Especially along the canal.