Blum says that's due to routine maintenance and that output should bounce back.
From the businessweek.com
However, in the majority of cases in clinical routine, staff request output from these procedures as 2-D slice images.
From the en.wikipedia.org
If she does leave her room it will only be to stand under the shower for a half an hour, a daily routine which requires the output of a power station and the contents of a reservoir.
From the thisisbristol.co.uk
Now, the aim is to use data and lessons learned from the first Oyster to improve its power output significantly, simplify installation and allow easier routine maintenance.
From the nznewsuk.co.uk
The first reason is that it was out of service or operating at reduced output for part of the time due to equipment failures or routine maintenance.
From the en.wikipedia.org
To be specific, a piecewise constant optimization routine was carried out using an identically constructed ODE model with median output quantities for state variables.