This is the latest quote BEFORE 2011 that I found about the "water canopy":
*** w80 11/15 p. 23 par. 4 “Jehovah of Armies” to the Rescue! ***
The fact that today we do not have a vast water canopy suspended high up in space and all around our globe and thus blocking direct sunlight, moonlight and starlight is because Jehovah saw what was going on down here upon his terrestrial footstool and took action. He deluged those suspended waters down from on high upon his footstool, not to bathe his feet, but to wipe out bad conditions among all mankind.
And then this (borrowed from other thread):