Rain stops cricket for longer than the rain itself lasts. The delay exists because water changes the playing surface, and restoring it is a slower process than clearing the sky.
A pitch is a manufactured surface
The strip is prepared over days by rolling, watering and cutting to reach a chosen hardness and moisture content. That preparation determines pace, bounce and how much the surface will break up.
Water entering the surface undoes that work. It softens the top layer, changes how the ball grips and can leave the strip playing entirely differently from what both teams prepared for.
Covering is therefore not about comfort. It preserves a set of physical properties that the groundsman spent a week establishing and cannot re-establish in an afternoon.
Covers protect the square and the run-ups
Full covers sit over the pitch itself, usually on a frame that keeps the sheet off the grass so condensation does not form against the surface underneath.
The bowlers' run-ups matter almost as much. A soft, slippery approach is a safety problem rather than a playing one, so run-up covers are deployed even when the pitch is already protected.
Outfield covering is rarer because the area is too large, which is why play often resumes with a damp outfield and a dry pitch. The two surfaces are treated differently by design.
Removing water is a mechanical job
Rolled absorbent machines are pushed across the outfield to lift standing water, which is then discharged away from the playing area. The process is slow and has to be repeated over wide areas.
Hot air blowers and rope drags are used on wet patches near the pitch. The aim is to dry the top few millimetres without heating the surface enough to alter it.
Drainage does much of the work invisibly. Modern grounds are built with sand-based profiles and subsurface pipes so water moves down rather than sitting, which is why some venues restart far faster than others.
The umpires decide, not the groundsman
Ground staff advise on what the surface will do, but the decision to resume rests with the umpires and turns on safety and fairness rather than on how the pitch will play.
Footholds, run-ups and the outfield are inspected because a bowler landing on soft ground risks injury and a fielder sprinting on a wet surface risks slipping into an advertising board.
Light is assessed at the same time, using meters that give a consistent reading rather than a judgement. The two conditions are separate, and either alone will keep players off.
Covering itself imposes conditions
A covered pitch does not simply pause. Moisture already in the surface migrates upward under the sheet, and the strip can sweat, leaving it damper on removal than when it was covered.
This is why covers are lifted whenever weather allows, even during short breaks. Ventilating the surface prevents the sealed environment from doing the damage the covering was meant to prevent.
Extended covering over several days changes a pitch's character permanently for that match. Both teams then play a different surface from the one either side selected its bowlers for.

